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Stuff You Should Know

1820 EpisodesProduced by iHeartRadioWebsite

If you've ever wanted to know about champagne, satanism, the Stonewall Uprising, chaos theory, LSD, El Nino, true crime and Rosa Parks, then look no further. Josh and Chuck have you covered.

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Selects: Why Do Lefties Exist?

November 27th, 2021

48:31

For at least the last 200,000 years, between 10-15% of the human population are left-handed and this fact has utterly left science baffled. In …

Python-a-palooza!

November 25th, 2021

50:49

Pythons are big snakes. Really big. But there's more to them than their size. Learn all about these big daddies in today's episode. 

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Short Stuff: Mayday!

November 24th, 2021

16:47

Say it three times and help may arrive. But where did "Mayday!" come from? Listen in to find out. 

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The Apache Wars

November 23rd, 2021

57:07

America’s longest-running war was between the US government and the loosely-confederated groups we know as the Apache. As their lands were encroached upon, the Apache pushed back with disastrous consequences, nearly …

Selects: How Hoarding Works

November 20th, 2021

1:09:15

You may be familiar with compulsive hoarding from TV, but something that’s often missing from those shows and the news is the deep and overwhelming …

Why Is DC Not A State?

November 18th, 2021

50:43

The residents of Washington, D.C., the capital of the oldest democracy in the world, are not allowed to pass their own laws without the federal …

Short Stuff: The Paper Dress Fad

November 17th, 2021

14:32

There was a brief period when it was highly on trend to wear a super short dress made out of paper. Learn why right now!

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Hot Dog!(s)

November 16th, 2021

1:01:02

No, there aren’t snouts and anuses in your hot dogs, so go ahead and chow down. There are, however, plenty of other things that may give you pause so listen to this episode where we dissect the beloved hot dog and poke …

Selects: How Feng Shui Works

November 13th, 2021

48:35

Feng Shui is an Asian concept that strives to unlock your chi by how your home or office is arranged. Or at least that's the simplified "Western" version. It's a little more complicated than that in reality. We'll …

The Flannan Isles Mystery

November 11th, 2021

56:15

In December 1900 three lighthouse keepers vanished without a trace from a deserted island in Scotland. To this day no one knows exactly what happened to them.

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Short Stuff: Your Dirty Bed

November 10th, 2021

14:23

Is your bed dirty? You bet it is. Are chimpanzee beds dirty? Not as dirty as yours!

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What are blue laws?

November 9th, 2021

57:43

Blue laws are laws that restrict certain activities on certain days. Are they antiquated? Yes! Are they still around? In some places, yes!

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Selects: The Stories Behind A Few Food Fads

November 6th, 2021

55:52

America loves to go nuts over new food trends and it turns out that the 20th century was a boon time for them. Revisit them with Josh and Chuck in this classic episode.

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The Rock Ampersand Roll Hall of Fame

November 4th, 2021

55:59

Cleveland rocks! So said the city of Cleveland when they lobbied for the "Rock Hall" way back in 1985. Since then the museum has grown and evolved …

Short Stuff: Friendly Floatees

November 3rd, 2021

13:12

In 1992 more than 28,000 rubber ducks got loose in the ocean and began a decades-long experiment in oceanography.

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How mRNA Vaccines Work

November 2nd, 2021

59:29

The two mRNA Covid vaccines are the first vaccines to come out of a new field of immunology and represent such an amazing leap forward that they are …

Selects: What is folklore?

October 30th, 2021

50:01

What is folklore? Turns out it's just about anything you can think of that's shared by more than two people. Art, literature, stories, dance, music, …

2021 Halloween Spooktacular!

October 28th, 2021

56:41

Dim the lights and join Josh and Chuck for their annual spooky Halloween story reading. 

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Short Stuff: Most Haunted House in England

October 27th, 2021

15:22

In the 1930s paranormal investigator declared Borley Rectory the “most haunted house in England” – and with good cause!

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Salem Witchcraft Trials: More Bonkers Than You Know

October 26th, 2021

56:54

Looking back 300 years on, it’s easy to overgeneralize why the Salem Villagers decided to persecute (and execute) their neighbors. But as much as this story has become an American history chestnut, we still don’t …

Selects: Will We Find Evidence of Aliens by Their Engineering Projects?

October 23rd, 2021

52:46

In 1960 physicist Freeman Dyson suggested that in the hunt for alien life, we should search for evidence of massive engineering projects that …

Harry Houdini: More than Magic

October 21st, 2021

54:18

Harry Houdini was a master magician. He was also a movie star. And an inventor. And an aviator. Listen and learn all about the late great illusionist.

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Short Stuff: Bloody Mary

October 20th, 2021

15:30

In this edition of Short Stuff we may accidentally conjure a deadly spirt, so look out!

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Heat Waves!

October 19th, 2021

59:41

Heat waves are one of the easiest natural disasters to overlook yet they kill more people in the US than any other natural disaster (and maybe all others combined). And if climate predictions prove correct, they’re …

Selects: Why is Venice so wet?

October 16th, 2021

43:21

Venice, Italy has a problem. It's sinking, and the water around it is rising. Thankfully, some engineers are working hard on the MOSE project - huge …

Noise Pollution: Arrrgh!

October 14th, 2021

59:38

If you’ve ever found your blood pressure rising because some guy down the street doesn’t know how to keep the trigger on a leaf blower pulled all the …

Short Stuff: Jack O'Lanterns and Sleepy Hollow

October 13th, 2021

15:12

We launch our spooky October episodes with a little bit on Jack O' Lanterns and Sleepy Hollow.

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Venus Flytraps: Plant or Monster?

October 12th, 2021

48:38

After looking into the Venus Flytrap, we quickly moved it to the top of our favorite plant list. Part plant, part monster? What's not to love?

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Selects: How X-Rays Work

October 9th, 2021

46:59

Like many huge discoveries, X-rays were accidentally stumbled upon. That serendipity led to a medical breakthrough still in use today. Learn about …

The Tale of the Church of the SubGenius

October 7th, 2021

59:49

The Church of the SubGenius is a religion, but really a parody of religion. Learn all about this group of weirdo outsiders in today's episode.

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Short Stuff: Dingoes!

October 6th, 2021

15:13

Are dingoes dogs? Not really? Then what are they? Listen in to find out.

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Research Bias: Sort It Out, Science

October 5th, 2021

1:00:46

There’s a sticky issue scientists have to deal with – science is carried out by humans. We humans have flaws (and how) and they can end up in our work. Fortunately, science is waking up to research bias. In the …

Selects: How Empathy Works

October 2nd, 2021

1:00:06

Empathy can often be confused with sympathy and regular old compassion. But it's not exactly either one of those. Some say a lack of empathy can …

All About Alligators

September 30th, 2021

59:06

Here at SYSK, we love alligators? Why? Because they're basically living dinosaurs. Dive in (metaphorically) and swim with these beasts today!

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Short Stuff: Exploring Irish Monk

September 29th, 2021

16:03

There’s a long-standing legend that an Irish monk was the first European to sail to America - in 500 CE! Is there any evidence?

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How Numerology Works

September 28th, 2021

51:37

The premise of numerology - that numbers are responsible for our destinies and personalities - is plainly nuts, but the history and thinking behind …

Selects: Planned Obsolescence: Engine of the Consumer Economy

September 25th, 2021

1:03:31

If you’ve ever heard an old timer gripe that things aren’t built like they used to be, that old timer was right! In this classic episode, learn about …

The Statue of Liberty

September 23rd, 2021

55:52

You've seen her there in NY Harbor, standing tall. But do you know the story of how she came to be? Learn all about the Statue of Liberty today.

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Short Stuff: Lake Erie's Rights

September 22nd, 2021

14:35

The good people of Toledo, OH are leading the environmental pack by giving legal rights to Lake Erie to fight off polluters.

Learn more about your …

How Mail Order Marriages Work

September 21st, 2021

57:45

Everybody knows mail order marriages are at best a last resort for jerks looking to boss a foreign spouse around or, at worst, a front for human trafficking. Or are they? Yes and no. Mail order marriage comes with …

Selects: How Free Speech Works

September 18th, 2021

1:12:50

Freedom of speech and the press are values vital to American democracy. But the First Amendment doesn't really define free speech, and plenty of expressions are restricted. Learn all about the ins and outs of this …

What's the deal with crash testing?

September 16th, 2021

54:38

Crash testing has been around since the 1930s, but only got serious in the 1970s. Today we dive in and learn all about why companies and the U.S. …

Short Stuff: The Javelina

September 15th, 2021

13:54

Pigs, hogs, boars and javelinas. What's the difference? Tune in to find out.

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How Embalming Works

September 14th, 2021

58:48

The Death Suite continues! In this installment, Josh and Chuck go over what it takes to preserve a human body using chemicals and whether that’s such a good thing to do as far as the environment is concerned.

Learn …

Selects: Southerners Aren't Lazy and Dumb, They Just Had Hookworm

September 11th, 2021

55:37

There was a time when the lower classes of the American South were considered lazy and dimwitted, a stereotype that still somewhat survives today. But this stereotype was rooted in fact. Hookworms, it turns out, were …

How the Magna Carta Worked

September 9th, 2021

55:46

In 1215 at Runnymede (doo dah, doo dah) the nobles and the king agreed to end a rebellion against the power of the English throne. While the treaty that emerged contained all sorts of arcane Medieval details, it also …

Short Stuff: Chameleons

September 8th, 2021

15:35

In today's short stuff, we bust a few myths about cute little chameleons.

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The Creepy Legacy of the Hotel Cecil

September 7th, 2021

56:37

The Hotel Cecil in downtown Los Angeles has had no less than 16 unnatural deaths, from suicides to murders and everything in between. Listen in to the history of this decidedly creepy hotel. 

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Selects: How Temper Tantrums Work

September 4th, 2021

44:53

When your kid boils over in the grocery store, it can be tough to stay calm and ignore it, but that's precisely what experts prescribe parents do to deal with temper tantrums. Learn about the anatomy of a tantrum and …

Criminal Records: No Thanks!

September 2nd, 2021

56:16

And you thought our crime and punishment suite was finished. Not yet it isn't! Not before we cover criminal records.

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Short Stuff: Handwashing vs Dishwashers

September 1st, 2021

18:08

Josh and Chuck finally put to rest the age old debate over which is better – and learn a little about themselves along the way.

Learn more about …

How Trepanation Worked

August 31st, 2021

57:25

One of the oldest medical procedures in human history is also one of the riskiest. For thousands of years humans carried a type of proto brain …

Selects: Composting: Nature's Most Interesting Process

August 28th, 2021

59:03

You may think composting is just a bunch of old banana peels rotting away into dirt but, friend, you're not looking closely enough. Inside that …

Les Paul & Leo Fender Part II

August 26th, 2021

55:34

Today we continue the story of Les Paul and Leo Fender, inventors, innovators and rivals.

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Short Stuff: Jackalope

August 25th, 2021

16:15

Jackalopes aren’t real, right? Wouldn’t you like to know, city slicker.

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Les Paul & Leo Fender Part I

August 24th, 2021

50:31

The story of Les Paul and Leo Fender defines rock and roll music. Listen in to part one of the tale of these two musical rivals. 

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Selects: How Pet Psychics Work

August 21st, 2021

44:39

In the early 21st century a trend of people who claim to be able to telepathically and clairvoyantly communicate with animals has grown. Today, the concept of visiting a pet psychic to find a lost pet, find out why a …

Y2K: Much Ado About Something

August 19th, 2021

51:11

Y2K was a special time when we all thought nothing bad would really happen at the stroke of midnight, but secretly worried the world would end. Turns …

Short Stuff: 5 Lazarus Species

August 18th, 2021

15:53

Lazarus species were thought to be gone, but had something else in mind. Today we talk about 5 of them.

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How MRI Works

August 17th, 2021

46:22

At long last Chuck and Josh dive into the nuts and bolts of what makes the Wonder Machine so wondrous and find it actually lives up to the years-long …

Selects: How Animal Domestication Works

August 14th, 2021

55:08

It's strange to hear, but the transition from hunting-gathering to agriculture, including the domestication of wild animals, is the single biggest …

How Fireflies and Lightning Bugs Work

August 12th, 2021

55:22

Whether called fireflies, lightning bugs, or glow worms, the tiny, bioluminescent bugs that light up the evening are universally beloved. Which makes …

Short Stuff: Humpty Dumpty

August 11th, 2021

14:10

Humpty Dumpty is not a good nursery rhyme. And what was Humpty anyway? Listen in to find out.

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Child Labor: Not Funny

August 10th, 2021

59:56

Child labor is no laughing matter. Even though we've taken care of it in the USA (mostly), it's still an issue around the globe. Listen and learn!

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Selects: How Landslides Work

August 7th, 2021

38:39

Landslides are a form of mass movement of the Earth, and with the amount of death and destruction they wreak on the people and towns they cover, …

How Transcendentalism Works

August 5th, 2021

40:40

Every teenager in America knows the transcendentalists were a handful of goofy 19th century philosophers who were into walking in the woods, but they …

Short Stuff: Calamity Jane

August 4th, 2021

15:33

Calamity Jane is group with the legends of the Wild West. Who was she really? A tough woman who made her way in a tough world from the age of 12.

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The Three Christs of Ypsilanti Experiment

August 3rd, 2021

1:00:30

In the early 1960s, one of the most unethical experiments in psychology’s history was quietly conducted in a state hospital in Michigan. It sought to …

Selects: How Police Interrogation Works

July 31st, 2021

1:09:50

Every year, police across the U.S. get thousands of criminals to confess to their crimes. The trouble is, the procedure that almost all departments …

How Sarcasm Works

July 29th, 2021

48:52

In this episode, we get to the bottom of why people sometimes talk like jerks some and how sarcasm isn’t all bad. Stand back everybody, this one is just soooo great. 

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Short Stuff: Space Hurricanes

July 28th, 2021

14:24

Space hurricanes are officially a thing. What does that mean for us here on Earth? Probably not much.

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Conservatorships: #freebritney

July 27th, 2021

52:07

Britney Spears has made a lot of noise lately in her bid to nullify her conservatorship. But what are they even? Listen in to find out!

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Selects: How Mars Works

July 24th, 2021

57:30

Sure today Mars would kill you with its thin, toxic atmosphere and cold desert temperature swings of 100 degrees,but early on it and Earth were …

The Origins of Some Everyday Superstitions

July 22nd, 2021

45:52

Why exactly do we avoid walking under a ladder? Why is stepping on a crack in the sidewalk such a big deal? What kind of monster carries a rabbit’s foot in their pocket? The answers to these questions and more lie in …

Short Stuff: RICO Act

July 21st, 2021

14:59

If you’re even passingly interested in mobsters you’ve heard of the RICO Act, but most people don’t know how it actually works. Make your Goodfellas fandom more well-rounded with this explainer episode.

Learn more …

Stranger Danger!

July 20th, 2021

52:50

If you grew up in the 1980s, you thought you had a 50% chance of getting kidnapped every time you left your house. But like with the Satanic Panic and other 80s hysteria, it was much ado about (almost) nothing.

Learn …

Selects: How Ketchup Works

July 17th, 2021

57:25

Little-known fact: Ketchup, possibly the most all-American of condiments, evolved from fermented fish sauce people in Southeast Asia have been making …

How Reverse Osmosis Will Save the World

July 15th, 2021

47:37

Can we save the future of the human race with some thin membranes riddled with ultra-tiny holes? Science says yes! Thanks to reverse osmosis …

Short Stuff: Hanged, Drawn and Quartered

July 14th, 2021

16:22

The words "hanged, drawn and quartered" are an accurate description of the grizzly execution process. They're just not in the right order.

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The Radium Girls

July 13th, 2021

50:01

The Radium Girls painted watched with glow-in-the-dark radium in the 1920s and '30s. Most got sick, many died. This is their story. 

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Selects: How Historic Districts Work

July 10th, 2021

46:49

A fascinating thing about Americans is that we can disagree on anything. Such is the case with historic districts – areas of historic importance protected by local laws. Seems innocuous, but are they also to blame for …

SYSK Live: Koko, the Gorilla Who Talked

July 8th, 2021

1:16:02

Recorded live before the pandemic in January 2020 at the Castro Theatre for San Francisco Sketchfest, Josh and Chuck explore the 70s movement that attempted to teach apes human language and the Ape Language Wars that …

Short Stuff: Sulfanilamide Disaster

July 7th, 2021

16:21

In the 1920s, before the era of consumer protection, a poison entered the medicine supply and killed more than 100 people before the pubic health …

The Sad Story of William James Sidis

July 6th, 2021

52:17

Are geniuses made or born? Listen in today to the story of child prodigy William James Sidis.

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Selects: Are good samaritan laws effective?

July 3rd, 2021

47:57

Good samaritan laws have been around for many years, helping to provide legal protections for people who try to help other people. But do they work? Listen to this classic episode and decide for yourself today!

Learn …

The Grand Ole Opry Cast

July 1st, 2021

48:44

Josh and Chuck take a virtual walk through country music's legendary music venue. 

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Short Stuff: Beast of Gevaudan

June 30th, 2021

15:08

The first truly international news story covered a beast that terrorized the French countryside, eviscerating dozens of villagers for three years in …

Poison Control Centers: A Good Thing

June 29th, 2021

56:31

Poison control centers are one of those things you don’t think about until you need it. With all the poisons in our homes you very well may someday. …

Selects: How Royalty Works

June 26th, 2021

52:13

In some nations royals are so ingrained in the national fabric they are considered part of the country. In this classic episode, Josh and Chuck take a look backward in time at the ancient tradition of despotism and …

How Faraday Cages Work

June 24th, 2021

48:04

Faraday cages are one of those peculiar miracles of nature that we can actually explain – not to mention, they save us from potentially fatal …

Short Stuff: Chastity Belts

June 23rd, 2021

15:08

Were chastity belts real? Sort of. But not in the way you might think. Tune in to hear the real story.

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The Mystery of Damascus Steel

June 22nd, 2021

42:29

Damascus steel and the recipe behind it remained a mystery for many years. But it turns out the key was a bygone ingredient. Listen in to this medieval mystery to learn all about it. 

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Selects: Operation Mincemeat: How A Corpse Fooled the Nazis

June 19th, 2021

50:22

In World War II, a secret department of British ‘corkscrew thinkers’ hatched a plan to use the cadaver of an unclaimed homeless man to turn the tide of the war in the Allies’ favor. It worked. Learn all about it in this …

How Venus Works

June 17th, 2021

46:52

Venus is so hot lead would melt on the planet’s surface. It spins backwards. Its year is shorter than its day. Venus is amazingly awesome. 

Learn …

Short Stuff: Mojave Megaphone

June 16th, 2021

14:38

What is the Mojave Megaphone? Well, nobody really knows. Listen in today to learn about this desert mystery.

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Seven - No, Wait, Five - Mysteries of the Art World

June 15th, 2021

52:09

When you get a bunch of artistic types together into a community – aka, the art world – some intrigue and mystery are bound to arise. Listen in as Chuck and Josh cover strangeness around Van Gogh, Caravaggio, Raphael, …

Selects: How Sea Monsters Work

June 12th, 2021

43:35

Legends of sea monsters are as old as humanity, and some ancient cultures even credited them with creating the universe. Learn more about humanity's …

POGs: The 90s in a Bottle Cap

June 10th, 2021

55:20

Today, Chuck and Josh go down a 90s rabbit hole with another in their classic toy series. This time, they tackle the odd sensation that was POGs.

Short Stuff: Chinatowns

June 9th, 2021

16:13

If you live in a major city in the USA, you probably have a Chinatown. Listen in and learn all about these unique cultural staples today.

Learn …

Slime Mold: 0% Mold, 100% Amazing

June 8th, 2021

55:02

If you’ve ever wandered past what looked like a pile of dog barf on a log during a hike in the woods, you’d just seen slime mold - one of the most …

Selects: Who was America's first murderer?

June 5th, 2021

36:14

John Billington didn't just sign the Mayflower Compact -- he was also the colony's first criminal, and had the dubious honor of being the first …

John Muir: Outdoor Enthusiast

June 3rd, 2021

48:56

John Muir loved being outside. So much so that he dedicated his life to helping preserve it, but not without some controversy. Listen in to this decidedly nature-centric episode today!

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Short Stuff: Runner's High

June 2nd, 2021

15:23

Listen in to today's short stuff to learn if a runner's high is really a thing.

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What Causes Inflation?

June 1st, 2021

53:40

Inflation seems super boring, but if you know how it works (important point: no one really does) you can exist as a functioning human being in a modern economy. 

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Selects: How Nitrous Oxide Works

May 29th, 2021

1:00:11

For about 175 years people have been huffing nitrous oxide for everything from vision quests to anesthetic to get plain old high. And after all that …

Night Trap: The Video Game Failure that Changed the Industry

May 27th, 2021

47:29

In the early 90s a video game was released that changed the industry, despite poor sales and bad game play. That game was Night Trap. This is that story.

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Short Stuff: Parachute Emergency!

May 26th, 2021

15:17

Your parachute won’t open – now what?! Listen up to Josh and Chuck and you may make it out of this in one piece.

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How Cleft Lips and Palates Work

May 25th, 2021

46:53

Cleft lips and palates are common birth defects, but for the kids who have them (and their parents), its no small matter: Years of surgeries, therapy, and possibly lifelong health issues, not to mention the teasing that …

Selects: How Hot Wheels Work

May 22nd, 2021

48:02

If you're an American who had a childhood, you probably have some nostalgia for Hot Wheels. Get your engines revved for this trip down memory lane as we discuss these fun and iconic toys in this classic episode.

Learn …

Girl Scouts: More than cookie sellers

May 20th, 2021

56:39

We put our research to the test and it turns out the Girl Scouts is a great organization.

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Short Stuff: Speed Reading

May 19th, 2021

15:47

Back in the 60s and 70s, a speed reading craze broke out. Tough luck that speed reading is bunk.

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The Cleveland Torso Murders

May 18th, 2021

54:55

During the depths of the Great Depression, Cleveland’s most vulnerable and destitute residents were prey for one of history’s most horrific serial …

Selects: How Limousines Work

May 15th, 2021

43:11

The first limousines weren’t even cars! Learn all about the history of limousines, how they’re made and some of the most creative and expensive amenities you can find inside them in this classic episode with Josh and …

How Monster Trucks Work

May 13th, 2021

53:27

If you’ve never seen a huge truck with gigantic tires do backflips or roll backward perched only on its two front tires, you haven’t lived yet. Chuck …

Short Stuff: Garter Snakes

May 12th, 2021

13:53

Garter snakes aren’t scary, they’re pretty great! Learn all the reasons why in this episode!

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The Ivy League

May 11th, 2021

55:40

The Ivy League is technically a sports conference, but it's much more than that. Enjoy this special 3D episode with your earbuds on and learn all about these revered, elite universities.

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Selects: How Snake Handlers Work

May 8th, 2021

1:01:00

Snake handling ranges from professional snake milkers for antivenin to religious handlers who tend to get bitten and sometimes die from it. Either way, it can be a dangerous business. Learn all about snake handling in …

How Uranium Mining Works

May 6th, 2021

56:18

Mining uranium is dangerous work. Not only does it involve mining, which is dangerous itself, uranium is also found alongside some very radioactive …

Short Stuff: Squarer Than Wombat Poop

May 5th, 2021

15:20

One of the cutest animals on the planet is also the only one that squeezes out cube-shaped poop. Find out why today.

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The Appendix: No Respect

May 4th, 2021

49:52

The poor appendix. Despite findings that it serves a purpose, many people still cast it off as a second rate organ and the Rodney Dangerfield of organs. We aim to correct that notion.

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Selects: How Cave Dwellers Work

May 1st, 2021

45:04

You know the cavemen, a race of human cousins who lived exclusively in caves? They didn’t exist. Sure prehistoric hominids used caves sometimes but they lived in other places too. Luckily the time they spent in caves …

How Corporate Taxes Work

April 29th, 2021

55:26

There are lots of reasons to tax corporations: as a check on their power, to help pay for infrastructure, as a wealth tax. But the biggest reason economists cite for why they've stuck around is that everyday people …

Short Stuff: Ivar The Boneless

April 28th, 2021

13:25

Was Ivar the Boneless a real Viking warrior? Probably. Did he really have no bones? Probably not.

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Truffles: Underground Treasures

April 27th, 2021

46:50

Truffles are rare, expensive and apparently delicious. Learn all about these earthy fungi today.

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Selects: How Profiling Works

April 24th, 2021

56:26

At its base, criminal profiling is a legitimate investigatory tool. The Supreme Court has drawn a clear line that bans profiling when it includes …

How Stamp Collecting Works

April 22nd, 2021

1:01:18

Over the last two centuries philatelists – stamp collectors – have learned just about everything there is to know about every stamp ever printed. You …

Short Stuff: Madam C.J. Walker

April 21st, 2021

15:31

Join us today as we dive into the story of the first female self-made millionaire, Madam C.J. Walker.

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Mechanical Bulls!

April 20th, 2021

52:10

Mechanical bulls are kind of weird, but they have certainly made a place in American pop culture over the years. Largely due to one movie, Urban …

Selects: How Tupperware Works

April 17th, 2021

44:02

Tupperware won immediate design acclaim when it was released in 1947, but it took a pioneering female executive to make a line of plastic food storage into an icon of the American postwar boom. Learn about the …

Hair Loss: The Pits

April 15th, 2021

1:03:31

Losing your hair is a situation that seems to be universally considered to absolutely stink. Unsurprisingly, humans have been trying all sorts of …

Short Stuff: Palindromes

April 14th, 2021

15:32

Chuck loves palindromes. So much that his very name is one. Oh wait...

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How the Electrical Grid Works

April 13th, 2021

1:04:07

The electrical grid that provides power to the US is one of those things you don’t give a second thought to until it stops working – then it’s tough to think about anything else. Learn why this engineering marvel is …

Selects: The Unsolved Mystery Disappearance of the Sodder Children

April 10th, 2021

50:42

In 1945 a house fire took the lives of five children - except that their bodies were never found. In this classic episode, dive into the longstanding mystery of the odd circumstances surrounding the disappearance of the …

Muzak: Easy Listening Goodness

April 8th, 2021

58:55

Muzak got a bad reputation as bland garbage music. We aim to set the record straight.

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Short Stuff: Venus de Milo

April 7th, 2021

13:33

Step into today's short stuff to learn all about the armless wonder!

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Havana Syndrome: ¿Qué Diablos?

April 6th, 2021

48:14

In 2016, diplomats at the American embassy in Cuba began suffering weird neurological symptoms after hearing strange noises. Some say it was a sonic …

Selects: How Circus Families Work

April 3rd, 2021

50:45

Don't be confused - this one is about actual circus acts made of family members, not the controversial comic strip. Step right up to this classic episode.

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How the Titanic Worked: Part Two

April 1st, 2021

55:09

After the Titanic sank recriminations and blame followed, sometimes ruining careers unjustifiably. As the decades wore on and she was found almost …

Short Stuff: What's the oldest book?

March 31st, 2021

14:21

In order to figure out what the oldest book is, one has to define what a book actually is. Listen in as we discuss this debatable topic.

Learn more …

How the Titanic Worked: Part One

March 30th, 2021

53:44

When the Titanic set sail on her maiden voyage in April 1912, the world was divided into two types of people: those who considered her unsinkable and those who weren’t so sure about that. Both types were aboard when she …

Selects: What was the Philadelphia Experiment?

March 27th, 2021

54:49

The Philadelphia Experiment is a bad movie from the 1980s, and also the conpiracy theory that refuses to die, despite virtually zero evidence of its occurance. Learn all about this strange non-event in this classic …

Space Junk, Ahoy!

March 25th, 2021

55:20

The orbits hundreds to thousands of miles above Earth are littered with garbage. Space garbage, sure, but it’s still garbage. Littering in space is bad enough but it poses practical problems too – like space junk …

Short Stuff: Cellphones on Airplanes

March 24th, 2021

15:35

Are we finally at the place where we can make cell phone calls on airplanes? PLEASE NO! Listen in to find out.

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What is biophilic design?

March 23rd, 2021

56:46

Biophilic design is all about bringing the outside in. But it's also much more than that. Open your windows and have a listen!

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Selects: How Lighthouses Work

March 20th, 2021

51:38

People have been burning fires on cliffs as long as other people have used boats, but after the Age of Exploration, lighthouses took their unmistakable form and the great stories of the people who kept the lights around …

The Texas City Disaster of 1947

March 18th, 2021

47:04

In 1947 the port town of Texas City, Texas became the site of the largest industrial disaster in American history. An enormous explosion blew ships out of the water, created a tidal wave that flooded the town, and …

Short Stuff: Brazilian Jars

March 17th, 2021

17:42

In the 1970s big news was made when some underwater artifacts were found in a bay by Rio de Janeiro that would have rewritten history. Then it just …

The Parrot Episode

March 16th, 2021

57:46

If you think parrots are simply mimics that fly, you're wrong. Tune in and learn about these colorful friends today.

Learn more about your …

Selects: Please Listen to How Plasma Waste Convertors Work

March 13th, 2021

42:38

There is a way to not only sustainably get rid of our household waste, but also produce enough energy from it to power the process and even create …

Karaoke: Tuesday Night Fever

March 11th, 2021

1:00:19

Listen in and learn all about the fascinating history of everybody's favorite pastime... karaoke!

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Short Stuff: Tooth Fairy: Not Real

March 10th, 2021

15:23

Today we break down the history of everyone's favorite home invader, the tooth fairy.

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Dragons: As Real as Mermaids

March 9th, 2021

46:12

Dragons are like mermaids in that they're not real. And that's about where the comparison ends. Learn all about dragons today.

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Selects: Mermaids: Not a real thing

March 6th, 2021

47:45

Mermaids aren't real. That much we know. But the history and lore of these magical and sometimes menacing creatures of the sea is pretty interesting stuff. Learn all about these half women/half fish in this classic …

Why is the Equal Rights Amendment still not ratified?

March 4th, 2021

55:45

The United States is one of only 28 countries in the world that doesn’t have equal protection for women under the law enshrined in its constitution. There was a moment in the 70s where it came very close, but then the …

Short Stuff: Dog Suicide Bridge

March 3rd, 2021

15:11

A bridge at the town of Dumbarton in Scotland has a terrible reputation as a site where dogs inexplicably leap to their death on the rocks 50 feet …

Is the Free Radical Theory of Aging Wrong?

March 2nd, 2021

57:20

In the 1990s we thought we’d identified the root cause of aging: nasty molecules called free radicals that wreaked havoc on our cells. Even better, …

Selects: Bridges: Nature Abhors Them

February 27th, 2021

1:03:58

From prehistoric logs across streams to the 102-mile Kunshan Grand Bridge, nature works ceaselessly to take down spans. In this classic episode, learn about the fascinating ins and outs of bridge design and building and …

How Bruce Lee Worked

February 25th, 2021

57:30

Bruce Lee may have introduced more Westerners to Asian culture than any person in history. And, because he died young just as he became an …

Short Stuff: The Body in the Cylinder

February 24th, 2021

16:38

In 1945, residents of a Liverpool neighborhood found a desiccated body in a long cylinder they’d been using for years using as a bench. It launched a …

What Will Farming 4.0 Look Like?

February 23rd, 2021

52:24

The human population is expected to increase by a couple billion people in the next 30 years and those who are paying attention are wondering exactly …

Selects: How Chili Peppers Work

February 20th, 2021

58:46

Born and raised in South America, chilis were the earliest crop domesticated in the continent and among the first items brought back to Europe by …

How Blue Holes Work

February 18th, 2021

43:10

Geologists and biologists have recently realized that the planet’s oceans and coasts are littered with a unique type of ecosystem called blue holes, …

Short Stuff: Freedom House Ambulance Services

February 17th, 2021

18:53

As part of Black History Month, we wanted to share the little known story of the Freedom House Ambulance Service. Listen in to learn all about this …

The Disappearance of Lars Mittank

February 16th, 2021

49:17

In 2014, a young German man walked into an airport in Bulgaria with a flight booked, then suddenly ran out leaving all his posessions behind, never …

Selects: Why Are So Many Disembodied Feet Washing Ashore In British Columbia?

February 13th, 2021

43:36

Between 2007 and 2016, 17 disembodied feet - still wearing shoes - have washed ashore between Washington and British Columbia. What's behind the …

How Housing Discrimination Works

February 11th, 2021

1:00:44

Owning a home in the US is a way to pass wealth down from one generation to the next and lift families into a comfortable life down the road. But there have been barriers to buying homes that Black Americans have faced …

Short Stuff: How California Got Its Name

February 10th, 2021

15:17

California is a pretty cool name. And the story about where it came from is even cooler.

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Sacagawea: Impressive Teen

February 9th, 2021

54:18

Sacagawea was only 16 when she joined the Corps of Discovery. That is one seriously impressive teenager.

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Selects: Earwax: Live With It

February 6th, 2021

43:13

Despite tons of people using cotton swabs each day to clean the earwax from their ears, cerumen (as earwax is clinically known) is actually quite beneficial to the health of your ears - and even kind of ingenious as …

The NAACP

February 4th, 2021

51:56

The NAACP has long been one of the most robust and effective non-profits in the USA. And while it has faded a bit from its glory days, it still remains a vital cog in the battle for equality.

Learn more about your …

Short Stuff: Balloonfest

February 3rd, 2021

15:56

In 1986 Cleveland released more than a million helium balloons at once! It didn’t go at all according to plan!

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How Groundhog Day Works

February 2nd, 2021

56:19

You know Groundhog Day – the holiday on February 2 when you wake up and have to go through the same day over and over again. It turns out the holiday …

Selects: Maggots: Good For Healing Wounds, Turns Out

January 30th, 2021

44:50

Cultures around the world over the years have been inspired by, then repulsed, then inspired by maggots' ability to heal persistent wounds. We are in …

How Hydropower Works

January 28th, 2021

57:47

Humans have been stealing energy from flowing water for at least two thousand years. It wasn’t until the advent of electricity that things really got …

Short Stuff: Vantablack

January 27th, 2021

14:50

How black is vantablack? About as black as you could imagine.

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The KKK: Loathsome Cosplay Rednecks

January 26th, 2021

1:03:11

The history of the KKK is rooted in hatred and racism, and it still is today. Learn all about these loathsome rednecks today.

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Selects: How Blimps Work

January 23rd, 2021

52:55

After newsreels captured the Hindenburg erupting in fire in 1937, the promising development of airship aviation was cut short. Today companies and militaries are taking another look at blimps and the unique qualities …

Finding the Fenn Treasure

January 21st, 2021

55:09

In 2010 an eccentric art dealer hid a treasure chest with $2 million in valuables somewhere in the Rocky Mountains and published a poem with clues on where to find it. Hence began the most famous treasure hunt in modern …

Short Stuff: Necco

January 20th, 2021

14:57

If you think Necco Wafers are the most disgusting candy on the planet, you are not alone. But it turns out there’s a rich history behind those chalky discs that make them fascinating, if horrible.

Learn more about your …

What does a tire company know about food?

January 19th, 2021

52:00

The Michelin Guide is an institution. But why does the famous tire manufacturer even put this restaurant guide out? Listen in to find out.

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Selects: What Was the Deal With the Hatfields and McCoys?

January 16th, 2021

49:33

It was America's most famous family feud, but the history of the Hatfields vs the McCoys is fraught with bias and inaccuracies. Dig into a disagreement in 19th-century Appalachia that became a very big deal around the …

The Science of Cute

January 14th, 2021

59:29

If you took our advice and looked up baby beavers a few episodes back, you probably found them sooooo cute you couldn’t stand it. Or you just wanted …

Short Stuff: Silverfish

January 13th, 2021

12:19

Should you be afraid of these creepy little creatures you find in your basement? Only one way to find out.

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Hell! Hell! Hell!

January 12th, 2021

1:03:21

What is Hell? It's complicated and depends on which religion you're talking about. We dive into this fiery mess and do our best to explain it.

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Selects: How Skateboarding Works

January 9th, 2021

52:20

Skateboarding started out as something bored surfers did when the waves weren't breaking, but after a few improvements to the design, it took off …

The Wright Brothers

January 7th, 2021

1:10:05

Orville and Wilbur Wright were not trained professionals, but they were rigorous experimenters who ended up changing the world.

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Short Stuff: Is It Theater or Theatre?

January 6th, 2021

13:43

Have you ever noticed sometimes theaters – we mean, theatres – oh, forget it – places where you see movies or plays – are sometimes spelled two different ways? You can thank Noah Webster, author of the first American …

Space Weather - What's That?!

January 5th, 2021

55:00

Did you know space has weather? It’s true! In our solar system, tons – literal tons – of highly charged gas and magnetized particles spew from the …

Selects: How Auto-Tune Works

January 2nd, 2021

1:00:15

What began as a challenge to an oil engineer to make a terrible singer into a pitch-perfect one, Auto-Tune has become a ubiquitous (and, to many, obnoxious) part of the musical soundscape. Learn more in this classic …

La Dame de Fer (Eiffel Tower)

December 31st, 2020

54:49

The Eiffel Tower is one of the top destinations on Planet Earth. It turns out to be a pretty cool feat of engineering as well.

Learn more about your …

Short Stuff: Ig-pay Atin-lay (Sorry)

December 30th, 2020

15:23

Turns out we have little kids from the 19th century, the Three Stooges, and an odd musical composer named Arthur Fields to thank for pig latin.

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Theremins: World's First Electronic Music

December 29th, 2020

57:13

In 1919 a brilliant Russian scientist accidentally stumbled onto the first electronic musical instrument in history – the theremin – which you play not by strings, keys, or even percussion, but by moving your hand in …

SYSK Selects: Sugar: It Powers the Earth

December 26th, 2020

51:12

Since sugar spread from Polynesia a few thousand years ago, the world has been crazy for it. Insanely high prices, wars and even slavery couldn't …

The SYSK 2020 Holly Jolly Extravaganza!

December 24th, 2020

42:32

It's here again! Our annual ad-free holiday spectacular. So pour up a hot toddy, throw a log on the fire and listen with the whole family!

Learn …

Short Stuff: Chinese Food on Christmas

December 23rd, 2020

15:06

What started out as a tradition among Jewish people on the Lower East Side at the turn of the last century has become a full-blown American holiday …

How Buffets Work

December 22nd, 2020

1:03:34

Buffets are every kid’s dream – until they grow up enough to realize how gross communal spreads of food shared with strangers actually are. Then the …

SYSK Selects: The Star Wars Holiday Special of 1978

December 19th, 2020

1:01:05

Long ago, in a galaxy not so far away, George Lucas allowed the Star Wars Holiday Special to be made. What happened on the night of November 17, 1978 …

Aspirin: The Wonder Drug

December 17th, 2020

53:36

Humans have been using a form of aspirin for pain relief since at least the Sumerians. But in recent years we’ve come to learn the wonder drug is indeed awe-inspiring, from preventing heart attacks to possibly …

Short Stuff: Modern Funerals

December 16th, 2020

15:11

The way we deal with our dead has changed a lot over the past 50 years. Learn all about it in 12-15 minutes right here.

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Joseph Merrick, aka "The Elephant Man"

December 15th, 2020

50:17

Joseph Merrick was known as The Elephant Man because of his suffering from what we now know was Proteus Synrome. Learn all about this brave man in today's episode. 

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SYSK Selects: What is a hangover, really?

December 12th, 2020

39:46

After a night of heavy boozing, many partygoers find themselves the victim of a hangover. But what exactly is a hangover, and what causes it? Join Chuck and Josh as they break down the science behind hangovers -- and …

The Taliesin Massacre

December 10th, 2020

48:43

Everyone knows who Frank Lloyd Wright is, but did you know there was a grisly massacre at his home in 1914?

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Short Stuff: Cramming

December 9th, 2020

15:46

Cramming is no way to study. Learn why in today's short stuff.

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How Class Action Lawsuits Work

December 8th, 2020

55:36

Class action lawsuits seem a little odd – a bunch of people get together for a sue-fest against somebody – but in the legal world they’re a practical way of handing huge wrongs. And! They keep justice just in their way. …

SYSK Selects: How Chaos Theory Changed the Universe

December 5th, 2020

1:02:01

Since the age of Descartes, science has put all of its eggs in the basket of determinism, the idea that with accurate enough measurements any aspect …

John Lennon and the FBI

December 3rd, 2020

48:42

Did you know that Richard Nixon had a FBI case file open on Beatle John Lennon? Well he did! Why? Listen in to find out.

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Short Stuff: Pimento Cheese!

December 2nd, 2020

16:55

Pimento cheese was originally nothing like it is now: It was mass produced, it was made from cream cheese and it was conceived in New York. Today it’s something much better, thanks to the South!

Learn more about your …

Cabbage Patch Kids: Must-Have Toy of the Century

December 1st, 2020

54:40

Surprisingly, Cabbage Patch Kids have turned up on SYSK almost as much as the Nazis or Seinfeld. It’s finally time to dive all the way into CPKs, from their controversial origins to the Christmas craze of ‘83 to their …

SYSK Selects: How Tea Works

November 28th, 2020

58:21

Legend has it that tea was discovered by a curious Chinese emperor after leaves blew into his boiled water. Now tea is the second only to water in …

Gobble Gobble: Turkeys!

November 26th, 2020

52:37

Turkeys are a very interesting bird as it turns out. Which may be why many people are leaving it off their Thanksgiving table this year. Learn all about them right now!

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Short Stuff: How Eyes In a Painting Follow You

November 25th, 2020

14:26

Ever noticed how eyes in a painting sometimes follow you around the room? It’s weird! But it’s also fully explainable and Josh and Chuck do just that …

Patty Hearst: Brainwashed or Bandit?

November 24th, 2020

1:01:50

Patty Hearst was a young heiress living a quiet life studying art history at college when one Monday evening her home was invaded, she was kidnapped, …

SYSK Selects: Whatever happened to acid rain?

November 21st, 2020

35:59

Along with the hole in the ozone layer, acid rain was one of the first international environmental threats. It's fallen to the wayside in the face of …

The Great War of the Worlds Panic Myth

November 19th, 2020

52:26

On Halloween 1938 young radio star Orson Welles scared the pants off of America with a fictional news bulletin claiming Martians had landed and were …

Short Stuff: Squirrel Nuts

November 18th, 2020

14:12

We know squirrels hide nuts. But it's actually more complex a system than you think.

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How Pain Works

November 17th, 2020

58:14

In recent decades we’ve come to understand that there’s a lot more to pain than: touch hot stove/feel burning hand. Pain is a far more sophisticated experience and, unfortunately, a system that can often go haywire, …

SYSK Selects: Who Gets to Name Continents?

November 14th, 2020

47:46

America is named after Amerigo Vespucci, right? Maybe not. And who named Australia? Find out the unusually uncertain origins of the continents and other interesting stuff in this classic episode.

Learn more about your …

How Macy's Thanksgiving Parade Works

November 12th, 2020

53:30

For almost a century, Macy’s department store has kicked off the holidays in America with a grand parade. And when you march thousands of clowns, lip …

Short Stuff: Plastic Pink Flamingos

November 11th, 2020

15:24

Plastic flamingos started out as innocent yard art, transformed into folk art, and have become a (kind of mean) symbol of high campiness. There’s a …

The Bay of Pigs Disaster

November 10th, 2020

55:14

The Bay of Pigs is one of the blackest of eyes on American foreign policy. Learn all about this dark spot of American history today.

Learn more …

SYSK Selects: Geysers: Nature's Innuendo

November 8th, 2020

33:42

The spectacular eruptions of steam and water we call geysers are only the tip of the proverbial iceberg, the result of thousands of years of specific …

All the Gold In Fort Knox: Meh

November 5th, 2020

57:54

When Fort Knox was built in the 1930s to house America’s gold supply, it was billed as an impenetrable, impregnable, don’t-even-think-of-trying …

Short Stuff: Fruit Flies, Why?

November 4th, 2020

14:21

Have you ever wondered why we do so much scientific testing on fruit flies? Turns out they make better models for humans than you’d think.

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The Amazing Roberto Clemente

November 3rd, 2020

51:58

Roberto Clemente was what’s called a “complete” baseball player – he could hit, run and, man could he throw, so it’s no surprise he was made a Hall …

SYSK Selects: How Ghosts Work

October 31st, 2020

49:33

According to a 2009 poll, more Americans believe in ghosts than don't. But what are ghosts exactly? If they do exist, what are they made of and why …

SYSK’s Scare Your Pants Off (and Back On) Halloween Spooktacular

October 29th, 2020

41:54

It’s that time of year again! So turn down the lights, pull the sheets over your eyes and prepare to be thrilled and frightened with two great …

Short Stuff: Poe Toaster

October 28th, 2020

16:30

For at least sixty years a mysterious person (or persons) showed up at Edgar Allen Poe’s grave to toast the master on his birthday. No one ever found out who this legendary figure was.

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A History of Nursing Homes

October 27th, 2020

58:15

In America, we've treated our senior citizens in very different ways over the years. Tune in to hear about how we've tackled compassionate care.

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Chuck Bryant On The Why I’m Voting Podcast

October 25th, 2020

12:07

Hey, SYSK listeners! We wanted to make sure you heard Chuck on iHeartRadio’s Why I’m Voting podcast. Check it out and don’t forget to vote on November 3rd! 

If you want to change, preserve, or build a better America, …

SYSK Selects: How Book Banning Works

October 24th, 2020

38:03

If you want to control the masses, control what they read. After all, books are seeds that germinate new points of view. As a result, the struggle …

Beavers: Tail Slapping Fun

October 22nd, 2020

47:20

Beavers are in fact, very busy. They're builders and solid family members, husbands and wives. Learn all about N America's largest rodent today.

Short Stuff: Haunted Real Estate

October 21st, 2020

15:19

Do you have to disclose the notion that your house may be haunted upon sale? Listen in to find out.

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10 Voter Suppression Methods

October 20th, 2020

53:52

Voter suppression in the USA is as old as voting itself. Listen in to hear about 10 ways we stifle the vote.

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SYSK Selects: How Sushi Works

October 17th, 2020

57:58

Sushi grew out of a way to ferment fish a couple thousand years ago and in the late 20th century began to take the world by storm. What began as …

Porcupines: Little Stabby Cutie Pies

October 15th, 2020

46:08

We love animals. A lot. Especially underrated ones like the darling porcupine. Listen in today to learn all about these stabby little boogers.

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Short Stuff: What is Latinx anyway?

October 14th, 2020

15:25

We love to keep up with the current terminology for groups of people. Learn about the origin of Latinx today.

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Wind Tunnels: More Important Than You Realize

October 13th, 2020

51:20

Without wind tunnels we may not have airplanes right now. Early aviationists built them to puzzle out how to get and stay airborne. But wind tunnels are used for so much more than flight – from microchips to wind …

SYSK Selects: How Bigfoot Works

October 10th, 2020

40:23

For centuries North American tribes have told stories of a hairy wild giant in the wilderness, and once Europeans arrived they claimed to see it, …

Printing press? Big deal!

October 8th, 2020

1:00:14

Was the printing press a big deal? You bet it was. One of the biggest. Learn all about the early history of printing today.

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Short Stuff: Lying in State

October 7th, 2020

14:11

After RBG passed away she had the honor of lying in state. Who decides this? Listen and you'll know.

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What's the deal with swing states?

October 6th, 2020

53:39

Swing states are all the rage once again this election season, but the makeup has changed a bit. Learn all about what makes a swing state a swing state right now.

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SYSK Selects: How the Electoral College Works

October 3rd, 2020

47:25

When you vote in an American presidential election, you're not voting for your candidate - you're voting for a group of people you hope will in turn vote for your candidate. Listen in to learn more about the strange …

Fallout Shelters: Probably Useless (Let’s Never Find Out)

October 1st, 2020

52:33

The advent of nuclear weapons and the Cold War kicked off a craze in the US for building rec rooms with foot-thick reinforced walls and outfitted …

Short Stuff: That's A Head Scratcher

September 30th, 2020

13:17

It’s actually really strange that scratching your head is a widely understood sign that you’re puzzling over something. No one’s exactly sure why we do that, so interesting theories abound!

Learn more about your …

Conjugal Visits: Not exactly what you think

September 29th, 2020

51:59

After reaching their peak, conjugal prison visits are all but gone in the U.S. Learn all about these frisky visits in today's episode.

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SYSK Selects: How Rabies Works

September 26th, 2020

46:37

Rabies may have gotten a lot of attention in the U.S. in the 70s and 80s, but it's still an issue in developing countries. Learn all about this nasty virus in this classic episode. And stay away from raccoons and bats. 

At Long Last: Hawaiian Overthrow Episode

September 24th, 2020

56:10

By longstanding listener request, we look at how Hawaii was basically stolen by the United States in the 19th century. Rather than reverse this bit …

Short Stuff: Petticoat Rulers

September 23rd, 2020

14:05

Petticoat rulers were women who ran the show long before anyone thought they could. We’re talking mayors and entire city councils comprised of women …

How Sweepstakes Work

September 22nd, 2020

56:42

Sweepstakes were invented as marketing tools to drum up interest for a product or sales. But winning them can be fun and as they’ve proliferated an …

SYSK Selects: How White-collar Crime Works

September 19th, 2020

50:31

White-collar crime often involves fraud and other nonviolent acts. For most people, the term "white-collar crime" conjures up images of CEOs …

How Election Polling Works and Doesn't Work

September 17th, 2020

52:29

Election polling had a pretty good rep until 2016. But it turns out they weren't far off even then. It's really the media driving the narrative. …

Short Stuff: Black Cowboys

September 16th, 2020

16:19

Most people don't realize that around a quarter of the cowboys found in the Old West during the golden age cattle driving were African American. …

Origami: Folding Goodness

September 15th, 2020

52:37

Origami is an amazing art that consists of making folds in paper to create something beautiful. Learn all about it today.

Learn more about your …

SYSK Selects: How Porta-Potties Work

September 12th, 2020

45:44

Despite our lengthy history of evacuating our bowels and bladders, it wasn’t until the relatively recent 1940s that we began to construct portable, self-contained toilets to accept our waste. Dive into the world of …

Wetlands! Wetlands! Wetlands!

September 10th, 2020

50:58

It’s time to get jazzed up for some Earth science of the waterlogged variety. Join Chuck and Josh as they tour some of the most interesting ecosystems on the planet and learn why we need to stop destroying them post …

Short Stuff: Streisand Effect

September 9th, 2020

16:39

What does Barbra Streisand have to do with the internet? Listen and learn!

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Frances Perkins: Influential and Unknown

September 8th, 2020

46:08

Frances Perkins was an incredibly influential American yet is virtually unknown. What did she do? A lot! For instance, Social Security was her …

SYSK Selects: How Police Chases Work

September 5th, 2020

32:43

Entire TV shows are dedicated to them and Americans love to watch a live one, but police chases aren't as routine as they seem. While police assert …

The Disturbing Disappearance of Tara Calico

September 3rd, 2020

46:05

When Tara Calico mysteriously vanished in 1988, suspected to be the victim of foul play, her case may have gotten lost with the countless other …

Short Stuff: More Phrase Origins

September 2nd, 2020

14:44

We're back with another handful of phrase origins.

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How the Escape from Alcatraz Worked

September 1st, 2020

1:00:23

In 1962, three ordinary criminals transcended into folk heroes when they crawled out of their cells in Alcatraz Federal Penitentiary took to the …

SYSK Selects: Polyamory: When two just won't do

August 29th, 2020

50:01

In this classic episode of Stuff You Should Know, Josh and Chuck dive into the world of polyamory. Turns out polyamorists aren't aren't weirdos and …

Blacksmiths? You got that right!

August 27th, 2020

55:47

Blacksmiths? You got that right. Learn all about this age old occupation in today's episode.

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Short Stuff: Carrots and Your Eyes

August 26th, 2020

14:55

Join Chuck and Josh as they learn that one of the great childhood truths – that carrots help you see better in the dark was totally made up!

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How Sneezing Works

August 25th, 2020

54:26

Unless you have an arcane disorder from a lesion on a very specific spot on our medulla, the chances are you sneeze. Turns out most animals do it, …

SYSK Selects: How Panic Attacks Work

August 22nd, 2020

39:48

Almost three percent of Americans suffer from a debilitating disorder that causes them to suffer intense fear seemingly without reason and science hasn’t yet figured out what causes it. Join Josh and Chuck in this …

1-800-PODCAST

August 20th, 2020

47:10

Chuck and Josh dive into the wacky world of 800 and 900 phone numbers.

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Short Stuff: The Great American Coin Shortage of 2020

August 19th, 2020

14:51

In addition to all the lousy things that’s come out of the Coronavirus pandemic, the U.S. is also experiencing a coin shortage thanks to a …

How Anti-Dieting Works

August 18th, 2020

52:50

There’s a movement afoot that says we should all stop thinking about our weight and just enjoy food. No, it doesn’t help you lose weight…No, it’s not …

SYSK Selects: How The Human Microbiome Project Works

August 15th, 2020

41:21

If it was possible to take a full scan of all of the DNA of every cell in and on your body the results would be startling: Only 1 percent would be …

Olympic Torches: Remember Those?

August 13th, 2020

49:34

Back in the pre-pandemic days we had a sporting event called The Olympic Games. And at those games there was an opening ceremony that featured the …

Short Stuff: The Return of Bill Gates!

August 12th, 2020

32:29

Our old pal Bill Gates is back for a very special short stuff where we talk all about Covid vaccines and therapeutics.

Learn more about your …

Pirate Radio: Mavericks on the High Seas

August 11th, 2020

54:38

Pirate radio started out in England as a way to sidestep the regulations of Big Radio. While outlawed, it still exists today in the UK and America. …

SYSK Selects: How The Moonwalk Works

August 8th, 2020

47:07

When Michael Jackson debuted the moonwalk in 1983 the world was enrapt. The dance goes back farther, to the 1930s, and pops up again in the 50s, …

How Miniature Golf Works

August 6th, 2020

53:55

Playing miniature golf is a very fun thing to do and, you’re about to find, learning about its origin and history is very fun as well. Join Josh and …

Short Stuff: Jigsaw Puzzles

August 5th, 2020

17:11

Who doesn't love a good puzzle? Tune in to learn a few facts and figures about jigsaw puzzles right now.

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Wasps: Not as cute as bees

August 4th, 2020

52:41

Wasps have a bad rap. Because their sting really hurts and they don't make honey like their cousins. But they are super cool and you shouldn't kill …

SYSK Selects: How the Rosetta Stone Works

August 1st, 2020

42:51

Sometimes providence smiles on historians. Thus is the case with the Rosetta stone, an ancient Egyptian tablet that served as the key for unlocking hieroglyphics, lost to time for a millennia. In this classic episode, …

How Soap Works

July 30th, 2020

54:37

Soap is a miraculous substance – and mysterious too: we have no idea how humans first figured out to make it. We lived with soap for millennia before …

Short Stuff: Habsburg Jaw

July 29th, 2020

15:09

The Habsburg Jaw is the result of inbreeding. But what is it? Click play and learn!

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How Hurricanes Work

July 28th, 2020

58:44

Hurricanes are perhaps the most destructive force of nature we have to deal with here on Earth. When a mind-boggling number of factors all fall into place just right, the outcome can be an enormous system of storms that …

SYSK Selects: How Lobbying Works

July 25th, 2020

59:49

Lobbying is an entrenched part of American politics and one that many people think is breaking government. But petitioning the government is …

Everything You Ever Wanted to Know About Mobile Phones

July 23rd, 2020

1:02:21

Today we deep dive on mobile phones, wonders of the modern world!

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Short Stuff: The Death of Billy the Kid

July 22nd, 2020

18:03

Sure, together Young Guns and Young Guns II form an exhaustive biography of Billy the Kid’s life. But did you know they also contain misleading information? Billy the Kid may not have lived to 100 under an alias after …

How We Almost Got Rid of Polio

July 21st, 2020

51:03

For more than half of the 20th century parents in the industrialized world were freaked out by an unseen waster of youth, the poliovirus. It spread …

SYSK Selects: How a Flea Circus Works

July 18th, 2020

50:08

If you've ever seen a flea circus, then count yourself among the few. It's a dying art, but back in the day they thrilled and delighted young and old …

Robber Barons!

July 16th, 2020

1:09:24

The robber barons were not a group of evil super villains. OR WERE THEY? Learn all about these titans of industry from the Gilded Age in today's episode.

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Short Stuff: Centralia Coal Fire

July 15th, 2020

16:54

An old coal mine in Pennsylvania caught fire one day in the 60s and it’s been burning ever since. What’s crazy is this happens all the time.

Learn …

Flagpole Sitting: A Real Fad

July 14th, 2020

56:02

The 1920s were just absolutely nuts. People got into weird fads really intensely and one of the strangest of all was flagpole sitting. It’s just what …

SYSK Selects: How Landfills Work

July 11th, 2020

47:09

Well-planned landfills have only recently come into widespread use. Recently, waste managers have found that they work a little too well and now the landfill is being reinvented.

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Essential Oils: Nature's Cure?

July 9th, 2020

1:00:17

Essential oils are from plants and they can help the human body in a lot of ways. There are also many false medical claims. Learn all the ins and outs today.

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Short Stuff: The @ Symbol

July 8th, 2020

17:07

You know the at symbol? This thing: @? There’s a name for it, just not in English. We just call it the at symbol. But other countries – stand back!

What was the KGB?

July 7th, 2020

55:29

The KGB was the notorious strong arm of the Kremlin. Run afoul and you died. Learn all about them today.

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SYSK Selects: All We Know About Guessing

July 4th, 2020

1:01:57

Guessing is a weird thing. For millennia, it could have meant the difference between life and death. Now it's not as vital, but we still do it every …

Oh Yes, How Soil Works

July 2nd, 2020

1:01:16

There is maybe nothing that sounds more boring than hearing two people talk about soil, but friend, prepare to be amazed at the details of what makes this amazing substance the life blood of Earth itself!

Learn more …

Short Stuff: The Science of Funny Words

July 1st, 2020

15:54

Why are some words funnier than others? Well, one man has sought to figure that out. We'll tell you all about him and his project in today's episode.

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Bruxism: Grinding Your Teeth Is the Pits

June 30th, 2020

54:15

Researchers have noticed that as incidence of anger increases so too has teeth grinding, known clinically as bruxism. That’s a problem because when people grind their teeth, especially when they’re sleeping, they can …

SYSK Selects: Juggling: What the Heck

June 27th, 2020

53:22

There is a lot – A LOT – to juggling and Chuck and Josh go over the lion’s share of it in this classic episode. Delve into the deep history, physics, how-tos and different types of juggling in this surprisingly sweeping …

Matcha: That Ain't Just Tea

June 25th, 2020

51:29

Matcha is something else, healthy and delicious and all the rage. Learn all about this trendy beverage today.

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Short Stuff: Nouns of assemblage... assemble!

June 24th, 2020

13:17

A gaggle of geese. A murder of crows. Nouns of assemblage are awesome and we talk about them for about 12 minutes in today's Short Stuff installment.

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How Ultrasound Works

June 23rd, 2020

54:01

Sure you know all about ultrasound. You can see pictures of little babies right there cozy in the womb just by waving a magic plastic stick over the …

SYSK Selects: Research tips from SYSK

June 20th, 2020

49:03

People often ask us how we do our research. We're not going to disclose all of our secrets, but we'll give you some tips on how to root out the bad studies from the good ones. Learn all about shady studies and reporting …

Short Stuff: Haint Blue

June 17th, 2020

12:57

Haint Blue is a kind of robin's egg color that you might commonly find on porches of the low country of the Southeastern United States. But what does …

The War on Fat: The Seven Countries Study

June 16th, 2020

53:07

The Seven Countries Study was a fairly impressive, long-term study on the effects of fat in our diet, among other things. But it was very flawed and launched the misguided "War on fat." Learn all about today, then make …

SYSK Selects: How Flamethrowers Work

June 13th, 2020

27:59

Who first decided that it would be a great idea to shoot flame at other people from a distance? Josh and Chuck talk about the (very) early origins, …

Can You Eat A Tapeworm To Lose Weight?

June 11th, 2020

45:21

There’s a persistent insistence that you can ingest a tapeworm and as the parasite hijacks a lot of the calories you eat, the pounds will fall right …

Short Stuff: Foie Gras

June 10th, 2020

15:08

Foie gras means “fatty liver” in French, which makes sense because it’s made from the overripe livers of force-fed ducks and geese. 

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How Project Star Gate Worked

June 9th, 2020

58:49

In yet another testament to how amazingly great the 70s were, in 1975 the US started a program that tried to harness the powers of clairvoyance to remotely spy on the Soviet Union. Since clairvoyance doesn’t seem to …

SYSK Selects: How The Black Panther Party Worked

June 6th, 2020

1:10:58

The Black Panther Party was a complex political movement that was unfairly painted as a militant group who hated white people. Far from it, they were …

The Massacre at Tiananmen Square

June 4th, 2020

1:07:09

Tank Man. An indelible image burned in our brains. But what led to this extraordinary event? Chuck and Josh walk you through the days and weeks leading up to the massacre at Tiananmen Square, which is more of a …

Short Stuff: Disappearing Dirty Dancing Lake

June 3rd, 2020

14:27

The lake from one of the all-time great movies (search your feelings, you’ll find that it’s true) is turning into a dried up mudhole. Turns out it …

Heroin: The Drug

June 2nd, 2020

57:41

We've covered a lot of drugs in our history, and today we tackle heroin, one of the most dangerous of all.

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SYSK Selects: How Jackhammers Work

May 30th, 2020

36:11

It’s likely that without the invention of the pneumatic jackhammer, the Industrial Revolution wouldn’t have hummed along quite so smoothly. Certainly …

How Narcolepsy Works

May 28th, 2020

57:43

Narcolepsy is one of those amazing rare disorders that everyone thinks they understand – people just fall asleep at random times, even in the middle …

Short Stuff: Lawn Darts

May 27th, 2020

14:38

There was a time when kids had to look out for flying darts that could pierce their skulls when they played in the backyard.

Learn more about your …

Hummingbirds: Ornery Helicopters of the Animal Kingdom

May 26th, 2020

51:52

If you didn’t already know how amazing hummingbirds are, prepare to learn. Not only do they count among their numbers the smallest bird species, they are also lightning fast and have the endurance of a marathoner and a …

SYSK Selects: How The Enlightenment Works

May 23rd, 2020

46:05

The Enlightenment stands as the moment the West withdrew from superstition and found its faith in reason. Did it shift too far? In this classic episode, learn about this massive shift in thinking which we are still …

Josh Clark's Speech from Commencement: Speeches for the Class of 2020

May 22nd, 2020

11:19

Hi listeners, in case you haven't heard already, iHeartRadio just released a brand new podcast called Commencement: Speeches for the Class of 2020, …

How Bras Work

May 21st, 2020

57:48

Bras are loved and hated, sometimes at the same time. But as difficult and restrictive as they can be, they rescued women from a much cruel …

Short Stuff: Mary Had A Little Lamb

May 20th, 2020

15:40

Did you know the little nursery rhyme is controversial? It’s true: Two towns in New England can barely stand to see one another on the map (kind of).

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How Spiritualism Works

May 19th, 2020

1:06:23

Something spooky was born on the American frontier in the mid-19th century: the idea that people’s personalities survive death and that some gifted individuals can communicate with them. It developed into a religion …

Chuck Bryant's Speech from Commencement: Speeches for the Class of 2020

May 18th, 2020

8:21

Hi listeners, in case you haven't heard already, iHeartRadio just released a brand new podcast called Commencement: Speeches for the Class of 2020, …

SYSK Selects: How Fire Works

May 16th, 2020

33:33

Creating fire was possibly the most important human discovery, but it's easy to take for granted. But. Josh and Chuck get to the bottom of the chemistry of fire in their quest to explain everything in the universe, in …

How Peanut Butter Works

May 14th, 2020

1:01:34

No food is more all-American than peanut butter – 80 percent of homes in the country have a jar of it in the pantry right now. And while the rest of …

Short Stuff: Charley Horse

May 13th, 2020

14:29

You know those terrible leg cramps that come out of nowhere? They may be named after a drunken baseball pitcher.

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How Herd Immunity Works

May 12th, 2020

1:08:15

Herd immunity is an epidemiological concept that if enough people are inoculated against a disease the rest of us won’t get it. It’s been useful in …

SYSK Selects: How Caving Works

May 9th, 2020

55:10

Entrances to the underworld have been places of wonder for eons, and humans have ventured into caves to sleep, hunt, create art and explore. Thanks to the hobby of caving, that tradition continues today. Get all this …

Zippers: Humans’ Greatest Invention? No, But Still Good

May 7th, 2020

59:56

The zipper may be the most unsung invention we humans have ever come up with. Prior to zippers, everyone walked around like idiots with nothing but …

Short Stuff: Gibtown: Sideshow Central

May 6th, 2020

15:32

There was a glorious time in American history when circus sideshow performers lived together in a small town in Florida. Learn about the fascinating history of Gibtown today!

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I'm Spartacus!

May 5th, 2020

58:25

Spartacus was a real dude. He led a slave revolt, and was pretty successful to boot. I'm Spartacus. You're Spartacus. We are all Spartacus.

Learn …

SYSK Selects: How do dogs perceive time?

May 2nd, 2020

32:04

A dog that knows exactly when its owners will arrive home every day seems to have a human perception of time, but in fact, they perceive time very differently than we do. Find out more about how dogs view time in this …

Agatha Christie: Queen of the Murder Mystery

April 30th, 2020

58:42

Agatha Christie was a great writer of murder mystery novels and is probably the best selling author of all time. Listen in today to learn her story.

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Short Stuff: Mullets: 'Nuff Said

April 29th, 2020

15:20

Business in the front, you know the rest. Listen in as we discuss the lifestyle choice that is the mullet.

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How Existential Risks Work

April 28th, 2020

1:00:50

An existential risk is a special kind of threat that are different from other types of risks in that if one of them ever befalls us, it would spell …

SYSK Selects: How the U.S. Postal Service Works

April 25th, 2020

50:44

Back when this episode aired, the USPS was teetering on the edge of going under and there were a lot of plans on the table to save it. With the USPS again at risk now for different reasons, join Chuck and Josh as they …

How the Voyager Golden Records Work

April 23rd, 2020

1:09:08

As part of a super 70s push to get Earth to a seat at the table of the Galactic Federation (in case there is, in fact, such a thing), astronomer Carl Sagan oversaw an ambitious project to launch a compilation of Earth’s …

Short Stuff: The NY Times Crossword

April 22nd, 2020

16:12

Today Chuck and Josh take a shallow dive in the warm pool that is the NY Times Crossword Puzzle.

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The Soul Train Episode

April 21st, 2020

51:57

Today, Chuck and Josh dive into the funky, cool world of the classic TV show, Sooooooooul Train.

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SYSK Selects: How Labor Unions Work

April 18th, 2020

55:15

Yes, it's true: Unions have a shady mob-related past and were originally championed by anarchists. Born from medieval trade guilds, these organizations also helped grow the American economy, and not only protected but …

How Wastewater Treatment Works

April 16th, 2020

1:03:55

All that gross stuff we humans put in the water that gets flushed down the sewers has to be taken back out before that water is reintroduced to the environment. That’s the ideal, and it’s essential to staving off the …

Short Stuff: Turning Down the Radio When You're Lost

April 15th, 2020

16:27

It’s a typical human reaction: When you’re driving and you realize that you’re lost, you turn down the radio. On its face it makes no sense – or does it? (It does.)

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Bidets: Now More Than Ever

April 14th, 2020

52:09

We all know the benefits of bidets. But with toilet paper in short supply, they're more important than ever before.

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SYSK Selects: How Dissociative Identity Disorder Works

April 11th, 2020

48:59

Dissociative Identity Disorder was known as multiple personality disorder until a case of mass hysteria brought on by the movie-mad public and …

Dr. Elizabeth Blackwell, Feminist Physician

April 9th, 2020

54:08

Becoming the first licensed woman physician in America was tough, convincing male surgeons to wash their hands between patients was even tougher. Today Josh and Chuck pay tribute to a genuine pioneer in medicine and …

Short Stuff: AAirpass

April 8th, 2020

17:04

In the go-go 80s and 90s, American Airlines offered the AAirpass, a lifetime pass for unlimited first class travel. It was an amazing deal, but AA …

The Legends of Lost Nazi Gold

April 7th, 2020

51:21

As if being murdering SOBs weren’t enough, the Nazis were also thieving rats. During WWII, they stole billons in gold from countries they overran and …

SYSK Selects: How the Deep Web Works

April 4th, 2020

37:24

Perhaps you didn’t realize that when you search the web you’re only skimming the surface. In fact, the types of web pages that turn up in your search …

Student Loans: UGH!

April 2nd, 2020

1:01:49

Student loans can be pretty complicated. Luckily Chuck and Josh are here to wade through the financial muck for you.

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Short Stuff: 666

April 1st, 2020

15:22

Today, Chuck and Josh dive into that scary number...666.

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How Dog Training Works

March 31st, 2020

50:06

Chuck and Josh explore the age-old question: Should you train your dog by treating it like a living, feeling being or should you beat them up and …

SYSK Selects: Can Nuclear Fusion Reactors Save The World?

March 28th, 2020

49:36

The world’s energy consumption is ruining the planet but for decades physicists have been working on what could solve the world’s energy and climate …

How COVID-19 Works

March 26th, 2020

1:11:59

We’re in the middle of an odd, tense time and Josh and Chuck are here to explain what’s going on and how to stay safe. 

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Short Stuff: Dagen H

March 25th, 2020

15:01

One day in 1967, Sweden changed what side of the road its citizens drive on. It went surprisingly well, considering.

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Could A Robot Tax Win the War on Poverty?

March 24th, 2020

59:35

An old idea – giving every resident of a country a set amount of money every month with no strings attached – became a hot item in Silicon Valley and …

SYSK Selects: Virus Talk with Josh and Chuck

March 21st, 2020

38:33

Viruses are big jerks that invade regular cells and hold them hostage, making you sick while they're doing it. Learn everything you ever needed to …

SYSK Distraction Playlist: How Jim Henson Worked

March 20th, 2020

46:28

We’ve already recorded an episode on The Muppets, but Jim Henson was such a neat guy we delved into him even further. Learn all about the man behind the Muppets who was so much more than just a master puppeteer in this …

SYSK Distraction Playlist: SYSK Live: How Bars Work

March 20th, 2020

54:24

Join Josh and Chuck live from Vancouver as they dive in to the ins and outs of one of the oldest businesses in the world – the bar! Learn about the …

SYSK Distraction Playlist: How Grass Works? Yes, How Grass Works

March 20th, 2020

55:05

There’s nothing more boring than watching grass grow, which is why Josh and Chuck aren’t asking you to do that. Instead, you can learn about all sorts of neat things about grass - like how American became obsessed with …

SYSK Distraction Playlist: How Terraforming Will Work

March 20th, 2020

45:06

A lot of great thinkers are warning that if humans are to survive as a species we are going to have to find another planet to live on. Terraforming, or engineering a planet to maintain all of the ingredients to sustain …

SYSK Distraction Playlist: How Rogue Waves Work

March 20th, 2020

38:14

Rogue waves come out of nowhere and tower as much as 100 feet over hapless ships they encounter, breaking across the boat and frequently breaking the boat and its inhabitants. Investigate the mystery of rouge waves in …

SYSK Distraction Playlist: Was there a real King Arthur?

March 20th, 2020

48:00

The legend of King Arthur is very old and very established. By the time the king who saved Britain and united it was first written about, his story …

SYSK Distraction Playlist: The Amazing History of Soda

March 20th, 2020

49:18

The soda we get instantly mixed at a fast-food joint owes a lot to a rich history going back to the Roman baths, that features drugs, diseases and explosions. Learn all about soda and soda fountains in this surprisingly …

SYSK Distraction Playlist: How Rodney Dangerfield Worked, Live From LA

March 20th, 2020

1:00:53

Other comedians cry on the inside, but Rodney Dangerfield built his entire act around his sad life. Get to know this legendary comic who was nearing 50 when he got his break.

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SYSK Distraction Playlist: How Pinball Works

March 20th, 2020

50:03

Pinball was actually illegal until the 1970s in NY and other cities, hidden in the backs of pornography shops. The game was finally legalized, thanks to a Babe Ruth-style shot by the best player in the world. Learn all …

SYSK Distraction Playlist: Sugar: It Powers the Earth

March 20th, 2020

50:07

Since sugar spread from Polynesia a few thousand years ago, the world has been crazy for it. Insanely high prices, wars and even slavery couldn't …

What was the Falkland Islands War all about anyway?

March 19th, 2020

57:03

The battle between Britain and Argentina over the rocky, cold Falkland Islands is one of the weirder wars in history. Learn all about it today!

Short Stuff: The Pledge of Allegiance

March 18th, 2020

16:17

The American Pledge of Allegiance is much more interesting than you might think. Give us 12 minutes and we'll fill you in.

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Chopsticks > Forks

March 17th, 2020

56:22

Today Chuck and Josh sit and converse on the simple, elegant chopstick. 

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SYSK Selects: How Monopoly Works

March 14th, 2020

1:09:27

Since more than 1 billion people have played it, you’re probably familiar with the board game Monopoly, but we bet you don’t know its secret origins …

How Ice Climbing Works

March 12th, 2020

1:02:16

A few decades ago, some people who liked to climb mountains decided they wanted to make it even harder and ice climbing was born. If you think rock …

Short Stuff: Teresita Basa

March 11th, 2020

16:22

In the annals of American justice there is a 1977 case where the police were tipped off to the identity of a murderer by a woman who said she was …

How Coyotes Work

March 10th, 2020

50:43

The coyote truly is wily. Even after a century-long attempt to drive them to extinction, this close relative of domesticated dogs not only hung onto …

SYSK Selects: How Gold Works

March 7th, 2020

52:02

As of early 2013, only 161,00 metric tons of gold had been mined in the entire history of the world. Considering about 85 percent of it is recycled, …

Mardi Gras! One month late

March 5th, 2020

51:57

In true SYSK fashion, Josh and Chuck are late to the game. But never fear, they will still detail Mardi Gras in all its colorful glory. 

Learn more …

Short Stuff: Exclamation Points!

March 4th, 2020

16:14

We all use them! But did we always? NO!! Learn all about everyone's favorite punctuation mark today!

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How Morphic Fields Work?

March 3rd, 2020

58:55

Biologist and science historian Rupert Sheldrake is known as a heretic of science, mostly for his deeply strange ideas about what connects all living …

SYSK Selects: Your limb is torn off - now what?

February 29th, 2020

40:16

Were you to be the unfortunate victim of a limb removal of any sort, you could take hope. Here in the 21st century, doctors have gotten pretty handy …

Sammy Davis Jr: National Treasure

February 27th, 2020

1:01:53

Today Josh and Chuck sit down and detail the complicated life of the late, great Sammy Davis Jr.

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Short Stuff: Hawaiian Night Marchers

February 26th, 2020

12:35

Get ready for some Hawaiian folklore, people. Today we discuss the Night Marchers.

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What's the deal with indigo?

February 25th, 2020

51:07

Indigo is a color with a rich past. Learn all about it today. 

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SYSK Selects: How Cult Deprogramming Works

February 22nd, 2020

43:44

The fear of cults in the 1970s drove Americans to look the other way on kidnappings, abuse and torture of cult members by deprogrammers – but did it …

Birthmarks: Probably Not the Mark of the Devil

February 20th, 2020

55:29

It’s a pretty safe assumption that people have been born with birthmarks since humanity began, and between then and now we’ve come up with some wacky, even dangerous, explanations for them – even a few that survive …

Short Stuff: Mexican Jumping Beans

February 19th, 2020

14:35

Mexican jumping beans are a real thing and they really do move around. It’s not magic, it’s nature!

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The Unsolved Indiana Dunes Disappearances

February 18th, 2020

46:26

In July 1966, three women out for a day at the beach waded into the water of Lake Michigan, got onto a boat and were never heard from again. To this …

SYSK Selects: A Podcast on Zoot Suits? Yes

February 15th, 2020

40:10

Few riots can be attributed to passing fashions, but zoot suits are top among them. After originating among the Harlem Renaissance crowd, the zoot …

911 Is Not a Joke

February 13th, 2020

59:41

Josh and Chuck delve into the world of 911 in today's episode. 

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Short Stuff: Body Under The Bed

February 12th, 2020

14:11

A couple unknowingly spending the night above a dead body stuffed under their bed is a longstanding urban legend. And a true one.

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Optogenetics: Controlling Your Genes with Light

February 11th, 2020

51:23

What if a genetic brain disease could be turned off simply by flashing a light in your eyes? What if your depression could be cured that way? Sounds …

SYSK Selects: How Bonsai Works

February 8th, 2020

1:01:33

For thousands of years people have been taking normal trees and forcing them into miniature. Learn all about the history and art of this strangely engrossing pastime in this classic episode.

Learn more about your …

Why are Pentecostals growing so rapidly?

February 6th, 2020

46:41

Pentecostals are seemingly taking over the world. Or at least they're making up a larger section of Christianity than every before. Why? We'll dig in on that in today's episode. 

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Short Stuff: The Iowa Caucus

February 5th, 2020

17:12

The Iowa Caucus is super important. But not really. Find out why. 

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How AI Facial Recognition Works

February 4th, 2020

1:00:28

With the development of increasingly smart artificial intelligence and lots more cameras spread around than ever before, we have reached a critical point in the US and other countries where governments can easily track …

SYSK Selects: How Maglev Trains Work

February 1st, 2020

36:14

Thanks to the amazing properties of magnets, clever engineers have figured out how to make entire trains levitate above their tracks, letting them move frictionlessly and allowing them to reach incredible speeds. Learn …

Who were the Buffalo Soldiers?

January 30th, 2020

56:03

Josh and Chuck dive into history today to tell the story of the Buffalo Soldiers. 

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Short Stuff: The O.K. Corral

January 29th, 2020

15:10

Listen in as we detail, in short, the legendary shootout at the O.K. Corral.

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Amazing Animal Stories!

January 28th, 2020

42:35

Regular animal stories are wonderful enough, but when animals lead amazing lives the stories become almost unbearably wonderful. You’ve been warned!

SYSK Selects: How the Scientific Method Works

January 25th, 2020

1:05:56

It evolved over centuries to become the gold standard for conducting scientific inquiry. Yet many people - including some scientists - don't fully …

Barefoot Running: The Best Podcast Episode in History

January 23rd, 2020

47:02

What is barefoot running? I think you know. But we'll detail all of the ins and outs. Listen and learn!

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Short Stuff: Byford Dolphin Incident

January 22nd, 2020

15:43

In 1983, what may be the worst diving catastrophe in the history of deep sea oil exploration took place when a pressurized chamber was opened, instantly killing four divers inside.

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Why Postal Employees Go Postal

January 21st, 2020

53:54

1993 was known as the peak of a disturbing trend in America: post office shootings, carried out by postal workers. A stunned country looked for answers and turned up a toxic workplace that seemed to be driving some …

SYSK Selects: How the Placebo Effect Works

January 18th, 2020

44:46

For centuries, doctors have prescribed drugs they knew weren't real – but that still somehow worked. It wasn't until the 1980s that the placebo effect was studied. Learn all about how an inert substance can have a …

The Tulsa 'Race Riots'

January 16th, 2020

51:41

In reality, the Tulsa "race riots" of 1921 was more like a massacre. Yet it was almost lost to history until 1997, and still not widely known outside …

Short Stuff: The Mona Lisa

January 15th, 2020

15:49

The Mona Lisa is a captivating work of art. But why? We'll try and figure it out in today's short stuff.

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Transdermal Implants: Body Art or Nightmare Fuel?

January 14th, 2020

58:15

Transdermal implants are just one in a number of procedures under the banner of extreme body modification. We don't like to yuk yums, so we'll offer a fairly straightforward look at this niche art form. 

Learn more …

SYSK Selects: Jellyfish - Even Cooler Than Octopi?

January 11th, 2020

57:59

Jellyfish are among the most adaptable, competitive organisms on the planet. They can grow back into their juvenile stage when resources are scarce, …

The Disappearance of Flight MH370, Part II

January 9th, 2020

50:55

In the absence of an official explanation of why flight MH 370 disappeared in 2014, conjecture and conspiracy theories have filled the vacuum.

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Short Stuff: Corduroy

January 8th, 2020

16:16

Learn 12 minutes worth of stuff about corduroy today!

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The Disappearance of Flight MH370, Part I

January 7th, 2020

46:35

In 2014, a Boeing 777 airliner disappeared. Despite two full years of searching an area of ocean covering more than 120,000 square kilometers, it has …

SYSK Selects: Will Computers Replace Doctors?

January 4th, 2020

41:10

With savvy and health-conscious people taking control of their wellbeing through apps and sites, technology is meeting the desire for individuals' …

How Safecracking Works

January 2nd, 2020

1:03:18

Burglars have come up with a whole range of ways to get into a safe. There’s lock manipulation – methodically testing the dial to coax the …

Short Stuff: Why Does Time Speed Up As You Age?

January 1st, 2020

17:06

It’s not just you – time really does seem to pass faster for people as we age. But exactly why remains a mystery, though some of the theories for why life passes by so quickly are make a lot of sense.

Learn more about …

Are broken arrows a problem?

December 31st, 2019

54:44

Are broken arrows are a problem? After all, they are incidents and accidents involving nuclear warheads. Like, sometimes they go missing. But it …

SYSK Selects: How Wine Fraud Works

December 28th, 2019

53:37

Wine fraud may be a case of rich con artists tricking wealthy people into parting with money, but it's still a crime. Learn all about this weird, widespread practice in this classic episode.

Learn more about your …

SYSK Live: Andre the Giant

December 26th, 2019

1:09:37

Andre the Giant was a giant both figuratively and literally. Sure he was a wrestler, but more than that he was a human being who left a great legacy behind. Even if you're not a wrestling fan, you can appreciate his …

Short Stuff: The Santa Claus Association

December 25th, 2019

15:40

If a con man manages to make needy Christmas wishes come true is he still a con man? (Also, Merry Christmas!)

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The SYSK Holiday Spectacular

December 24th, 2019

44:31

It's an annual treat, folks. Our holiday special is back and better than ever, and as always, brought to you ad-free. It's the least we can do. 

SYSK Selects: The Star Wars Holiday Special of 1978

December 21st, 2019

1:00:00

Long ago, in a galaxy not so far away, George Lucas allowed the Star Wars Holiday Special to be made. What happened on the night of November 17, 1978 …

Cave Diving: Totally Nuts

December 19th, 2019

56:33

There are extreme sports and then there is cave diving, the most extreme activity a person can engage in without leaving Earth. Cave divers stay underwater swimming miles into – that’s right – caves, where no human has …

Short Stuff: Obituaries

December 18th, 2019

15:40

Learn everything we know about obituaries in 12 minutes!

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MC Escher and His Trippy Art

December 17th, 2019

1:02:53

We love us some MC Escher. Turns out his story is pretty fascinating too. Tune in today. 

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SYSK Selects: How Currency Works

December 14th, 2019

52:12

Even if you entirely eschew the concept of money, we'll bet you'd be hard pressed not to trade in some form of currency. Learn how everything from cows to cacao beans to tiny shells from Maldives have served as currency …

How Anorexia and Bulimia Work

December 12th, 2019

1:05:34

Anorexia and bulimia - those twin eating disorders that seem so common and maybe even just a phase for a teenage girl – are actually the deadliest …

Short Stuff: Whisky or Bourbon?

December 11th, 2019

16:00

What's the difference between whisky and bourbon? We'll tell you if you care to listen.

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Everything You Ever Wanted to Know About Gin

December 10th, 2019

54:19

If there's one thing we've learned about Chuck over the years it's that he loves his gin. And he loves it even more now that understands it. Pour yourself a martini and cozy up to the gin-cast. 

Learn more about your …

SYSK Selects: How Amnesia Works

December 7th, 2019

1:04:55

Those movies where someone gets hit on the head and can't remember who they are anymore? They're actually not too far off from the reality of amnesia. Learn everything about this bizarre and life-robbing condition with …

What's a gap year anyway?

December 5th, 2019

57:00

Chuck thought a gap year was post college. Turns out, it's a post high school year off from academics, where you travel the world, help others, and …

Short Stuff: Macadamia Nuts

December 4th, 2019

15:07

Macadamia nuts aren't nuts! They're seeds! And they are delicious. And good for you in the right amount. Learn all about them today.

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Did Climate Cause the Collapse of the Maya?

December 3rd, 2019

49:14

After millennia of development, the Maya culture suddenly collapsed at its peak. Why is one of the biggest mysteries of history. One theory says …

SYSK Selects: Fractals - Whoa

November 30th, 2019

41:22

In the 1980s, IBM mathematician Benoit Mandelbrot gazed for the first time upon his famous fractal. What resulted was a revolution in math and …

How Conversion Therapy Doesn't Work

November 28th, 2019

1:09:00

Conversion therapy is a misguided attempt by religious zealots to convert people from gay to straight. News flash - it doesn't work. Learn all about this abhorrent practice today.

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Short Stuff: Niagara Falls Dewatered

November 27th, 2019

17:34

In 1969, the Army Corps of Engineers turned off one of the main waterfalls at Niagara Falls to see what could be done to preserve it. They found two …

How Carbon-14 Dating Works

November 26th, 2019

1:01:00

Some of the carbon dioxide in your body is radioactive! Don’t worry, it won’t harm you (not sure why we used an exclamation point there). Instead, it …

SYSK Selects: Have all the good ideas already been discovered?

November 23rd, 2019

39:35

It's no secret that human beings have an obsession with innovation -- but has our species already found every good idea? As Josh and Chuck break down the continuing search for the next great idea, they touch on …

What Makes a Must-Have Christmas Toy?

November 21st, 2019

54:47

Ever since Cabbage Patch Kids came along in 1983, there’s been an annual holiday frenzy around one particular toy – the must-have Christmas toy of …

Short Stuff: Backyard Burials

November 20th, 2019

15:32

Time was that you’d bury a deceased relative in your yard; now it’s just weird. But it’s still legal – and if you want to do it, here’s how!

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The Murder Mystery of Ötzi the Iceman

November 19th, 2019

58:58

About 5,300 years ago a Copper Age shepherd was murdered. He just happened to die in a place where his body was so well preserved that gave researchers an actual shot at determining the course of his final day on Earth.

SYSK Selects: How Salt Works

November 16th, 2019

48:55

A Roman senator once said, "Mankind can live without gold, but not without salt." Right he was. The human body needs salt so much we have developed a …

NYC Water: An Engineering Marvel

November 14th, 2019

53:28

Getting the rain and melted snow from upstate NY into the taps of every NYC resident and business is one of the great feats of engineering. Does it taste great and make perfect bagels and pizza crust? Sources say yes!

Short Stuff: The Conch Republic

November 13th, 2019

17:01

Back in 1982, Key West seceded from the United States. Don’t believe us? It’s true! Just listen to the episode, will you?

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Augmented Reality: Coming Soon?

November 12th, 2019

1:03:39

Augmented reality adds a digital layer over the real world and soon it will revolutionize how we live. Ultra-tailored information will be everywhere …

SYSK Selects: Can you Treat Mental Illness with Psychedelics?

November 9th, 2019

46:08

Hallucinogenic drugs are currently illegal, but they were once commonly used in psychological treatment. In this classic episode, Josh and Chuck …

Cockney Rhyming Slang: Beautiful Gibberish

November 7th, 2019

48:17

What is Cockney Rhyming Slang? It's complicated and its origins are unclear. Learn everything we know about it today. 

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How Ironman Triathlons Work

November 6th, 2019

1:01:13

Sure, you could train for months to finish a marathon, but why not make things interesting? Ironman triathlons add a 2.4-mile swim and a 112-mile …

Short Stuff: The History of Paternity Testing

November 6th, 2019

14:27

Paternity testing. It wasn't science for many years, yet they still tried to do it. Learn all about it in 12 minutes.

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SYSK Selects: Halitosis - Worst Smell Ever?

November 2nd, 2019

40:17

Occasional bad breath is one thing, halitosis is another. Or is it? From its odd origins as a marketing ploy to modern weight loss diets that can induce this embarrassing condition, you can learn all about bad breath in …

SYSK’s Scare Your Socks Off Halloween Spooktacular 2019

October 31st, 2019

40:29

Josh and Chuck chose a truly unsettling story by one of the greatest science fiction authors of all time – Philip K Dick. Join the boys as they read …

Short Stuff: Our Shortie Halloween Spooktacular

October 30th, 2019

14:32

Join us today as we read three short horror selections from Ambrose Bierce. 

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Where Did Trick-Or-Treating Come From?

October 29th, 2019

56:20

We aren’t exactly sure who invented trick-or-treating – kids who realized they could extort adults for candy, or adults who bought off kids in …

SYSK Selects: How Haunted House Attractions Work

October 26th, 2019

53:55

Ever since the Egyptians, humans have been evolving toward haunted house attractions. The level of sophistication in the scares and gore effects …

How Historic Districts Work

October 24th, 2019

50:15

A fascinating thing about Americans is that we can disagree on anything. Such is the case with historic districts – areas of historic importance protected by local laws. Seems innocuous, but are they also to blame for …

Short Stuff: The Toxic Death of Gloria Ramirez

October 23rd, 2019

14:45

In 1994 the body of a woman who died in a California ER somehow became toxic and sickened 24 people. To this day, no one is sure what happened.

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What's the deal with subpoenas?

October 22nd, 2019

56:58

Subpoenas are all the rage. But what do they even mean if someone can just ignore it? Learn this and a lot more in today's episode. 

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SYSK Selects: The 'Satanic Panic' of the 1980s

October 19th, 2019

1:02:14

In the late 1980s, the United States experienced a "Satanic Panic," leading parents to fear for the safety of their children. But were there any real examples of Satanic ritual abuse? Find out this and more in this …

How Project Blue Book Worked, Pt II

October 17th, 2019

49:46

A rash of UFO sightings kicks off a new spike in America’s UFO fever and new headaches for the Air Force, which continues to reluctantly investigate. After becoming a laughingstock for its limp explanations, the Air …

Short Stuff: The Disappearance of Ambrose Bierce

October 16th, 2019

15:05

Ambrose Bierce was a journalist and writer of short stories. He also disappeared rather mysteriously. Listen in and learn of the various theories on what happened to him. 

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SYSK Selects: How Black Boxes Work

October 12th, 2019

42:16

Black boxes are designed to be the only survivor of plane crashes so they can live to tell the tale of what went wrong to prevent future accidents. Sit in with Josh and Chuck and learn about how these grim devices are …

The Ins and Outs of Beekeeping

October 10th, 2019

1:09:23

Who wants fresh honey? We do! Learn all about the ancient art of beekeeping today.

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Short Stuff: The Devil's Den

October 9th, 2019

16:02

The Devil's Den is the sight of one of the bloodiest battles of the Civil War. Is it haunted? Nope. But still creepy. 

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How Environmental Psychology Works

October 8th, 2019

54:29

In the 60s, psychology expanded from exploring inside the mind to exploring the inside of buildings. Environmental psychology looks at how our spaces …

SYSK Selects: How Pez Works

October 5th, 2019

47:59

PEZ began in Vienna as a mint meant to help people quit smoking. But once American kids got ahold of it, the candy took off and a symbol of childhood …

What were the Freedom Schools?

October 3rd, 2019

51:19

Freedom Schools were set up in Mississippi in the heart of the Civil Rights Movement, with the aim of giving young black school children agency and a …

Short Stuff: Fish n' Chips

October 2nd, 2019

16:21

How did these two wonderful strangers meet up and become best friends? The answers lie within today's short stuff. 

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Guardian Angels: Behind the Red Beret

October 1st, 2019

1:45:41

If you grew up in the 1980s, then you know who the Guardian Angels are. If you don't then you're in for quite a story. Listen in! 

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SYSK Selects: What Happened at Kent State?

September 28th, 2019

44:14

On May 4, 1970, four days of anti-war protests at Kent State University in Ohio culminated in the unthinkable when Ohio guardsmen opened fire on …

What are paraphilias?

September 26th, 2019

57:39

Josh and Chuck dive into the world of paraphilias so you can get the skinny in 45 minutes or less. 

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Short Stuff: Dare Stones

September 25th, 2019

18:02

What happened to the Lost Colonists who disappeared from Roanoke Island in the 1580s remains a mystery to this day. But it’s possible a carved stone …

We Are Running Out of Sand and That Actually Matters

September 24th, 2019

51:22

Sand, we’re beginning to realize, is a non-renewable resource - and we are consuming it at a voracious pace. We use it in every construction project around the world and to create new land. And we’re wrecking the …

SYSK Selects: Could You Live Without a Refrigerator?

September 21st, 2019

42:32

Do you know that hulking refrigerator in your kitchen emits CO2 thanks to the electricity it uses each year? It's a comparatively small amount, in …

How the US Interstate System Works

September 19th, 2019

1:06:10

Wait! This is actually a good episode! It turns out that America’s 48,000 miles of superhighways – possibly the largest civil works project in the …

Short Stuff: Scurvy

September 18th, 2019

15:35

Scurvy seems like a terrible way to go: Your gums swell so you can’t eat, your teeth fall out and your brain and/or heart hemorrhages. Fortunately, …

The Skinny on Lyme Disease

September 17th, 2019

53:07

If you live in the Northeastern U.S. then you may know someone who has had Lyme disease. But it's spreading all over the country and parts of the world. Learn all about this tick-borne disease today. 

Learn more about …

SYSK Selects: How Wills Work

September 14th, 2019

44:40

Whether it's oral, scrawled in blood or signed on a deathbed everyone should have a will. But how do they actually work? Join Chuck and Josh as they …

Special Effects: A Short History

September 12th, 2019

1:00:43

Special effects have been around since the first movies. In fact, the techniques the earliest filmmakers created are still around today, we just use computers to do them faster and cheaper. Put on your beret and get …

Short Stuff: Papasan Chairs

September 11th, 2019

15:38

Oh, the papasan. What a chair! But where did it come from? And what does the name mean? The answers lie within.

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How Government Shutdowns Work

September 10th, 2019

58:06

Every year Congress decides how the federal government will spend money. Simple enough, but in practice politics tend to mess it up. Sometimes it …

SYSK Selects: How Ouija Boards Work

September 7th, 2019

39:28

Although most people who've used Ouija boards don't think they're communicating with the beyond, there is something mysterious about how it works. …

What's the deal with MSG?

September 5th, 2019

1:01:52

MSG got a bad rap in the 70s and 80s. But what is it exactly and how bad is it for you? The answers to those questions lie within. 

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Short Stuff: Barbed Wire

September 4th, 2019

15:35

Barbed wire changed the Western US as much as the railroad and the six-shooter. Before barbed wire arrived, the West was free and open; after, the West became concentrated in the hands of a few big ranchers. No wonder …

Ed Gein: The Serial Killer's Serial Killer

September 3rd, 2019

52:04

Any movie featuring a deranged killer who’s perversely devoted to his mother and makes things out of human skin has a real-life person named Ed Gein to thank for inspiration. He was Buffalo Bill, Norman Bates, and …

SYSK Selects: How Icebergs Work

August 31st, 2019

40:38

Icebergs: floating chunks of ice. True, but whoa there. Scientists are learning that there's a lot more to icebergs. Appropriately enough, we've only come to understand the tip of the iceberg and recent research shows …

The Rubik's Cube Episode

August 29th, 2019

54:04

Rubik's Cubes. Ronald Reagan. Jerry Falwell. Just Say No. One of these things was awesome. Take a guess and hop on board the 80s train. 

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Short Stuff: Dead Bodies and Airline Codes

August 28th, 2019

16:15

Did you know there are airline codes for pilots and flight attendants? And some of them have to do with dead bodies on board? Learn all about it today!

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A Brief Overview of Punk Rock

August 27th, 2019

57:31

Punk rock really needs about 10 episodes to do it justice, but we'll try and tackle anyway. Learn all about this movement right now. 

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SYSK Selects: How Sleepwalking Works

August 24th, 2019

32:20

Sleep behaviors are pretty fascinating. Some people snore, some grind their teeth -- and some take a little stroll, or perhaps a drive. In this …

How Ventriloquism Works

August 22nd, 2019

54:27

Ventriloquism – where a skilled performer “throws” their voice, making it seem like a dummy on their knee is talking – has taken a long, circuitous road from early prophets, to witches, then finally to the stage. Get to …

Short Stuff: Horseshoe Crab Blood

August 21st, 2019

15:46

Perhaps the most expensive liquid on the planet is the blue blood that comes from horseshoe crabs. Researchers realized that horseshoe crab blood …

Nuclear Semiotics: How to Talk to Future Humans

August 20th, 2019

59:00

The nuclear waste we produce will be dangerous for a very long time. We’ve figured out how to safely store it in the earth until it’s no longer a biohazard. Now we just have to figure out how to warn humans 10,000 years …

SYSK Selects: Are We in a Cyberwar?

August 17th, 2019

34:57

There's a secret war going on around us, and it's happening on a daily basis. The Air Force has a unit specifically designed to carry out and defend against cyberwar. Go deep into this alarming type of war in this …

How Peyote Works

August 15th, 2019

46:10

Josh and Chuck have tackled a lot of drugs on the show, but peyote has loomed like a bad Jim Morrison poem. Learn all about this plant today. 

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Short Stuff: Petrichor

August 14th, 2019

15:06

You know that amazing smell when it rains? Kind of clean, kind of earthy, one of a kind? It turns out that a miracle of nature produces it.

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Solar Power: The Future or What?

August 13th, 2019

1:06:56

We’ve been promised solar energy for a while now – where is it? Turns out, it’s been quietly and steadily growing across the world. And with a few …

SYSK Selects: What Is a Shotgun House?

August 10th, 2019

29:49

Shotgun houses are iconic pieces of American architecture: they're long, narrow, and filled with artistic flourishes. But where did they come from? Join Chuck and Josh and explore the mysterious origins of shotgun …

Iran-Contra Affair: Shady in the 80s, Part 2

August 8th, 2019

49:10

As the operation expands it also begins to unravel. Word starts to leak out of the illegal stuff the Reagan administration was up to, Congress and the press investigate and people start to point fingers. Spoiler alert – …

Short Stuff: Time Zones

August 7th, 2019

16:24

Time zones are a pain. Let's get rid of them! Can we? Sure!

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Iran-Contra Affair: Shady in the 80s, Part 1

August 6th, 2019

51:48

When Ronald Reagan was president, America got involved in some deeply shady stuff, not the least of which was the Iran-Contra scandal – a convoluted …

SYSK Selects: How the Black Death Worked

August 3rd, 2019

37:55

The Black Death was gruesome: Symptoms included tumors, purple splotches, fevers and vomiting. But how did this disease manage to spread from the …

What Were the BONE WARS?

August 1st, 2019

58:57

A pair of old timey fossil hunters had a rootin’ tootin’ rivalry that spilled from academic journals into the American Wild West - where fossils were …

Short Stuff: The Man Who Didn’t Eat for a Year

July 31st, 2019

15:00

In 1965, a 456-pound man walked into a hospital in Scotland and asked for help with a fast. That was the last day he ate for more than a year. Learn about the medical marvel that was Angus Barbieri.

Learn more about …

Will Deepfakes Ruin the World?

July 30th, 2019

49:21

Very recently, thanks to a new type of AI, it’s gotten much easier to create convincingly realistic videos of people saying and doing things they’ve never said or done. Will fake videos undermine our shared sense of …

SYSK Selects: How Human Cannonballs Work

July 27th, 2019

35:19

There's no question that human cannonballs are daredevils. They pack themselves into the confines of huge cannons, which shoot them into the air. But how does it work? Join Josh and Chuck to learn more about the bizarre …

How Eyewitness Testimony Works(?)

July 25th, 2019

1:01:18

Few things are more compelling than a witness pointing out a defendant in the courtroom as the perpetrator. But few things are also more unreliable than eyewitness testimony. Our memories can be pretty terrible, which …

Short Stuff: Aristides de Sousa Mendes

July 24th, 2019

14:57

This week we highlight another little known historical hero. In this case, a Portuguese diplomat who rescued people from Nazi Germany, at his own peril. Dig in and spread the word of Aristides de Sousa Mendes. 

Learn …

MOVE: Or When the Philly Police Dropped a Bomb on a Residential Neighborhood

July 23rd, 2019

57:00

Believe it or not, in 1985 the Philadelphia Police Department dropped a bomb from a helicopter onto a residential building in an African-American …

SYSK Selects: How Crack Works

July 20th, 2019

52:46

Back in the mid-1980s a new and extremely potent drug hit the scene: crack cocaine. In short order, America was in the grip of both a sweeping addiction and a state of hysteria over use of the drug and the social …

Sand Dunes: They Are What You Think They Are

July 18th, 2019

47:10

Sand dunes are exactly what you think they are. But still pretty interesting. Learn all about them right now!

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Short Stuff: Yellow Rain

July 17th, 2019

14:48

After the Vietnam War, the Hmong people told the world a toxic weapon was being used on them. Thus began a mystery that still remains today, which …

How Going to the Moon Works

July 16th, 2019

59:55

Fifty years ago, the first humans stepped onto the moon. After going back a few more times, humanity lost its taste for moon travel. But it’s being revived again. NASA is planning to send humans back to the moon by 2024 …

SYSK Selects: Duels - A Guide to Throwing Down the Gauntlet

July 13th, 2019

44:47

Pretty much everything you know about duels is true - it's a challenge to violence to defend honor. But did you know the U.S. Navy used to publish …

How Sloths Work

July 11th, 2019

1:00:13

Everyone knows sloths are super slow, but do you know they’re slow because their bodies produce an astoundingly small amount of energy? And did you know that might be an adaptation that protects them from predators? …

Short Stuff: The Coconut Cult

July 10th, 2019

19:01

Why we love short stuff - because we can tell stories like this one. A man goes to an island to start a commune of sorts that subsists entirely on coconuts. It didn't go well. 

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Cleopatra: Ms. Understood

July 9th, 2019

56:27

One of the great misunderstood figures in history was the last pharaoh of Egypt. Cleopatra’s story is almost always told along with the men in her …

SYSK Selects: What Makes us Yawn?

July 6th, 2019

33:23

What is it that makes us suddenly draw in a deep breath through a wide-open mouth? The beautiful thing about yawning is that researchers really don't …

How the Fairness Doctrine Worked

July 4th, 2019

58:54

Back in the day, broadcasters were bound by law to provide contrasting opinions on political matters. Why? Because of the Fairness Doctrine. What …

Short Stuff: Mitsuye Endo

July 3rd, 2019

14:28

In today's short stuff, we look at another amazing woman who has all but been ignored by history. The story of Mitsuye Endo. 

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Is photographic memory a real thing?

July 2nd, 2019

50:51

Photographic memory is the stuff of movies and TV, but is it real? Sort of. But not really. But kind of. It's a little bit a matter of semantics. Listen in and this will all make sense. 

Learn more about your …

SYSK Selects: What Makes a One-hit Wonder?

June 29th, 2019

33:26

The term "one-hit wonder" gets thrown around a lot, and - yes - you probably are using it correctly, but Chuck Bryant went to the trouble to really define what makes a one-hit wonder in the article this classic episode …

What is the Civil Air Patrol?

June 27th, 2019

50:03

The Civil Air Patrol is a civilian group of pilots and plane enthusiasts who do a lot of things, namely help out in search and rescue missions. But …

Short Stuff: Prison Food

June 26th, 2019

13:56

Prison food is kind of a joke, like airplane food. But there are real consequences involved. Let's get into it in today's short stuff.

Learn more …

Planned Obsolescence: Engine of the Consumer Economy

June 25th, 2019

1:02:26

If you’ve ever heard an old timer gripe that things aren’t built like they used to be, that old timer was right! Learn about the nefarious, possibly …

SYSK Selects: How the Donner Party Worked

June 22nd, 2019

43:02

Did they or didn't they? There is plenty of written evidence that the ill-fated Donner Party resorted to cannibalism - except there are no bones. Learn the details of one of the worst disasters of the early West in this …

What happened to the Neanderthals?

June 20th, 2019

55:58

As recently as 40,000 years ago we lived among humans from an entirely different species – Neanderthals. About the same time our species showed up, Neanderthals suddenly vanished. Just what happened to the other guys? …

Short Stuff: Emperor Norton

June 19th, 2019

16:41

After a San Francisco real estate mogul went bankrupt, he reinvented himself as the Emperor of the United States – and became the city’s most …

How the Hygiene Hypothesis Works

June 18th, 2019

50:21

In the early 90s, a new study that found that kids who are exposed to more germs early in life are less likely to develop allergies later. With the …

SYSK Selects: What's the Deal with Crop Circles?

June 15th, 2019

44:41

For a while in the 1980s, people were fascinated and confused about what exactly crop circles were. Now we know that they aren't signs left from aliens, but art made by humans. Learn all about these stunning, large form …

How Area 51 Works

June 13th, 2019

56:17

The secret military base Area 51 is inextricably linked to every secret, shady project the US government is rumored to be involved in – from …

Short Stuff: Smoke Signals

June 12th, 2019

17:09

Were smoke signals real or a Hollywood invention? Turns out, they were indeed a thing and invented by the Chinese, even. 

Learn more about your …

What's the gig economy?

June 11th, 2019

48:30

The gig economy is not new, but it's bigger than ever. Is that a good thing? We'll discuss that today!

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SYSK Selects: How Capgras Syndrome Works

June 8th, 2019

30:50

There is an extremely rare condition where the sufferer is convinced that everyone around him is an impostor posing as their friends and family. …

What is perfect pitch?

June 6th, 2019

48:08

Perfect pitch, or absolute pitch, is when you can sing a note with no reference from other notes, perfectly on key. Is it an asset? Chuck says yes. …

Short Stuff: Robert Johnson and the Devil

June 5th, 2019

15:15

Did the legendary blues singer really sell his soul to the devil in exchange for amazing musical skills? Probably not! But there’s still an …

How Barcodes Work

June 4th, 2019

59:43

Barcodes are everywhere. Those little lines and numbers that make up one of the most recognizable barcodes, the UPC, was designed to make going to the grocery a lot less miserable. It ended up becoming the central …

SYSK Selects: How TV Ratings Work

June 1st, 2019

47:11

Ever wonder why some great shows go off the air after a season or less? Blame it on the Nielsen company, which has for more than 60 years been the almost exclusive decider of what goes and what stays on TV.

Learn more …

The Tylenol Murders, Part II

May 30th, 2019

51:12

The panic that began in Chicago spreads and begins to change the world. The investigation into the murders turns up leads and suspects, but still no …

Short Stuff: Look-Alike Old Couples

May 29th, 2019

16:07

You know how some older married couples (sorry, senior adult married couples) start to look alike over time? That’s a really weird phenomenon if you …

The Tylenol Murders, Part I

May 28th, 2019

50:56

On one terrible day in Chicago in 1982, seven people died suddenly and mysteriously. In just a matter of hours, it becomes clear, someone has …

SYSK Selects: How Acne Works

May 25th, 2019

48:12

Over the course of our lives, 80 percent of us will experience acne. Ultimately, acne comes down to one thing, a blockage in the sebaceous gland. Learn what makes a blackhead black, and everything else about zits, in …

What was Tin Pan Alley?

May 23rd, 2019

46:50

Tin Pan Alley was an area of New York around the beginning of the 20th Century that served as ground zero for the earliest iterations of the music publishing industry. Learn all about this unique place and time right …

Short Stuff: James Polk, Disinterred

May 22nd, 2019

14:41

Did you know that former president James Polk had his final resting place moved twice? It's true! And almost a third time even. Let's go listen to …

How Crystals Work

May 21st, 2019

54:23

In a new age shop or on display at the Smithsonian, there are varying interpretations of what crystals can be used for. But at their base, they are a thumb in the eye to entropy, a perfectly ordered piece of matter. 

SYSK Selects: How Dying Works

May 18th, 2019

1:10:25

Chuck and Josh have covered just about every aspect of death except dying itself. Here, they fulfill the death suite of podcasts with an in-depth …

10ish Cases of Really Bad Luck

May 16th, 2019

55:17

Some guys have all the luck, some guys have all the pain. So said Rod Stewart. And if this list is any indication, “guys” is gender neutral. Listen to this episode as Chuck and Josh cover some instances of amazingly bad …

Short Stuff: Honorary Degrees

May 15th, 2019

15:34

Honorary degrees are not real degrees. They are marketing opportunities for universities. They make us mad, but we want one. Learn all about them in the next 12-15 minutes. 

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How Trampolines Work

May 14th, 2019

59:37

The world’s loved trampolines since they were invented by a pair of acrobats in Iowa in the 30s – so much so, trampolining is now an Olympic event. …

SYSK Selects: How Lie Detectors Work

May 11th, 2019

33:54

Instead of actually detecting lies, polygraph machines sense physiological variations, ostensibly brought on by guilt. The results are subject to …

Do Dietary Supplements Work?

May 9th, 2019

1:00:19

The world takes $40 billion of dietary supplements – from vitamin A to yohimbe bark – every year. Yet, the jury is still out on whether most of them work. In America, the FDA isn’t allowed to approve supplements, and no …

Short Stuff: Nicknames

May 8th, 2019

15:33

What's in a nickname? Sometimes they make sense, sometimes they don't. Let's get our shorty on and find out the deal. 

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Remembering Live Aid

May 7th, 2019

57:28

Live Aid was a revolutionary concert event in two countries in 1985 that spanned the world via satellite. The brainchild of musician Bob Geldof, it …

SYSK Selects: How Does a Diving Bell Work?

May 4th, 2019

36:38

About 2,400 years ago Aristotle mentions the use of diving bells, apparatuses that convey divers to the bottom of the sea -- or at least below the surface of the water -- and allows them to breathe -- at least until the …

What Happens When the Government Thinks You're Dead?

May 2nd, 2019

44:14

It’s bad enough when the government knows you’re alive – there are taxes to pay, laws to be followed, all sorts of boring and unpleasant things. But …

Short Stuff: The Number 23

May 1st, 2019

16:20

There are people out there who believe that there’s something special about the number 23. Exactly what? Who knows. Exactly why? Because it pops up a lot. But does it? Who knows. 

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Michael Dillon: Trans Pioneer

April 30th, 2019

1:00:29

Michael Dillon was a lot of things - author, doctor, and most importantly, trans pioneer. Learn all about his story in today's episode. 

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SYSK Selects: How Zero Works

April 27th, 2019

35:01

Few numbers have as storied a past as zero. Even fewer have had as great an impact on our ability to understand our universe. Yet zero is a relatively recent arrival in math. Find out all about this surprisingly …

What Were Human Zoos?

April 25th, 2019

46:53

One of the off-putting byproducts of 19th century European colonialism were human zoos, living dioramas of people from far-away places made to be …

Short Stuff: Fear of Public Speaking

April 24th, 2019

14:43

Speaking in public is frequently cited as people’s number one fear, even more fearful than death. Most people go through life avoiding public …

Is birth order important?

April 23rd, 2019

56:47

There have been a lot of studies over the years regarding birth order. Some conclude that it's a big deal, while others more or less discount its importance. Learn all about it today.

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SYSK Selects: How Marijuana Works

April 20th, 2019

1:07:38

For millennia people used marijuana for fun and medicine. Not until the 20th century that was it vilified, unfairly say many. Weed has done lots of good things, from alleviating cancer symptoms to unlocking secrets of …

How the Hoover Dam Works, Part II

April 18th, 2019

47:05

And now for something completely different. Just kidding – tune in to hear the thrilling conclusion of America’s most amazing public works project in the 20th century.

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Short Stuff: Emu Wars

April 17th, 2019

15:08

Did Australians really wage war on a group of emus? YES. Learn all about it in today's short stuff. 

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How the Hoover Dam Works, Part I

April 16th, 2019

51:06

It’s one of America’s biggest accomplishments in the 20th century, a slab of concrete holding back one of the country’s most finicky rivers, …

SYSK Selects: How Yo-Yos Work

April 13th, 2019

37:27

You may have played with a yo-yo before -- perhaps you've even walked the dog -- but do you know about the physics behind what makes a yo-yo sleep …

How the Electric Chair Works

April 11th, 2019

1:05:45

The electric chair is an all-American invention. It spread almost nowhere else in the world as a capital punishment but worked overtime in the States. Despite the terrible sights and sounds an electrocution produces, it …

Short Stuff: Lake Peigneur

April 10th, 2019

15:58

In 1980 something catastrophic happened to the quiet town of New Iberia, Louisiana. Their wide, shallow lake grew much deeper after it underwent an apocalyptic transformation. 

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How Free Range Parenting Works

April 9th, 2019

56:05

Free range parenting is all about giving your child the freedom to play and explore life on their own. Are there benefits? Sure. Do some people hate the concept? Yes! Listen and learn right here. 

Learn more about your …

SYSK Selects: How Pollen Works

April 6th, 2019

34:42

For about 375 million years, plants have been using pollen (aka plant sperm) to propagate their species. And the technique has stuck around because …

Were Nazis Drug-Fueled Crankheads?

April 4th, 2019

50:13

Nazis were bad people. And it turns out a lot of them were high as kites on speed. Was this a recipe for disaster? Yes it was. 

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Short Stuff: Unspent Campaign Money

April 3rd, 2019

13:35

Have you ever wondered what happens to all those campaign donations when a political campaign goes belly up? Or, even worse, is in debt! Wonder no …

How Rape Kits Work

April 2nd, 2019

55:49

Rape kits are simple forensic evidence collection kits used when someone is sexually assaulted. But the story is deeper than this. Learn all about …

SYSK Selects: How Immigration Works

March 30th, 2019

55:24

Immigration systems regulate the flow of foreign immigrants into any given country. But why is immigration such a controversial topic, especially in …

Etch A Sketch!

March 28th, 2019

44:36

The Etch A Sketch is yet another classic toy that Josh and Chuck love and respect. Learn all about this Hall of Fame entry today. 

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Short Stuff: When Elvis Met Nixon

March 27th, 2019

16:35

Elvis really did meet with Richard Nixon. Because Elvis wanted to help fight the drug trade. True story. Hear about it in today's short stuff. 

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How Druids Worked

March 26th, 2019

46:05

Anyone who likes Led Zeppelin, plays Dungeons & Dragons, or worships the rising sun at Stonehenge on the vernal equinox can tell you druids are …

SYSK Selects: How Sign Language Works

March 23rd, 2019

50:33

It wasn't until the was developed and despite its co-existence alongside English, a user would be hard-pressed to sign with a British person. Find …

How Disgust Works

March 21st, 2019

59:34

Disgust is an odd thing. It makes sense that we would feel a sense of revulsion at the thought of putting rotten meat in our mouths – that’s pure …

Short Stuff: The Sandman

March 20th, 2019

14:39

Mr. Sandman, bring me a dream! But who is the sandman? We'll tell you in today's edition of short stuff. 

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Desert Survival: Josh and Chuck Save Your Tookus

March 19th, 2019

50:40

The chances are pretty low that you’ll find yourself lost in the desert, but on the off chance you do you’ll thank yourself that you listened to this episode, where we guide you to safety. 

Learn more about your …

SYSK Selects: Was Atlantis A Real Place?

March 16th, 2019

38:34

While the search for Atlantis has been pushed to the fringes since the 19th century, archaeologists have quietly pursued cities that may have …

The Great Stink: The Stench So Bad They Gave It A Name

March 14th, 2019

40:34

In the summer of 1858, a heatwave dried up the Thames River to a trickle in London. As centuries’ worth of human waste, animal carcasses and other nasty things cooked in the sun, a stench arose that was so horrific it …

Short Stuff: Bedbugs

March 13th, 2019

15:11

We eradicated bedbugs so thoroughly in the 50s that generations who came later suspected they weren’t anymore real than jackalopes and snipes. But since we banned DDT, the pesticide that kills bedbugs best, they’re back …

The Case of Sacco and Vanzetti

March 12th, 2019

1:00:47

The trial of Sacco and Vanzetti, two anarchists accused of murder, was one of the first "crimes of the century." But did they do it? To this day …

SYSK Selects: How Wildfires Work

March 9th, 2019

38:20

Wildfires consume an annual average of 5 million acres in the US. But what causes wildfires? How do they become so powerful? More importantly, how do …

How Dyslexia Works

March 7th, 2019

48:26

For a learning disability that everyone seems to know about, dyslexia is maybe the most commonly misunderstood and controversial cognitive difficulty …

Short Stuff: Wigs in English Court

March 6th, 2019

14:57

What's the deal with the wigs in the English court system? Learn all about it in today's short stuff. 

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What's the deal with ASMR?

March 5th, 2019

51:41

ASMR is soothing to some, maddening to others. Learn all about these whisper tones in today's episode. 

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SYSK Selects: How the Panama Canal Works

March 2nd, 2019

38:42

It's on more than one list of the Seven Wonders of the World and for good reason - the Panama Canal is one of the great feats of engineering ever undertaken. First conceived of in the 1580s and finally completed in …

Tuskegee Airmen: American Heroes

February 28th, 2019

52:45

The Tuskegee Airmen braved racism and brutally tough training in order to secure their spot in American history as the first African-American military pilots. Listen in today to the story of their determination and …

Short Stuff: Black Loyalists

February 27th, 2019

15:27

The Black Loyalists were a group of Colonial slaves who fought for their freedom alongside the British. Learn all about this nearly forgotten group …

The Science of Break-Ups

February 26th, 2019

1:05:17

Breaking up is hard to do. Your brain might even think you're getting over a cocaine addiction. Learn all about the science behind break-ups today!

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SYSK Selects: How Lewis and Clark Worked

February 23rd, 2019

58:20

They may be the most famous explorers in U.S. history, but there are plenty of interesting details to the Lewis and Clark expedition that history has allowed to fade. Learn about the origin and the aftermath of …

How Galaxies Work

February 21st, 2019

51:57

In the universe things tend to cluster. This means there’s a coherent structure to the universe and learning about clusters of stars – galaxies - helps us figure out what that structure is. Join Chuck and Josh on an …

Short Stuff: Turbulence

February 20th, 2019

14:18

If you’ve ever had a bumpy airplane ride, you know it’s nothing fun. But have you ever noticed that the pilots sometimes tell you ahead of time to …

Yeti: The Asian Bigfoot

February 19th, 2019

50:46

We've covered Nessie and Bigfoot, so why not tackle the Yeti? Listen in today and Josh and Chuck cover what used to be known as the Abominable Snowman. 

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SYSK Selects: Interpol: World Police

February 16th, 2019

38:36

Interpol is an international police agency that helps other law-enforcement agencies track criminals who operate across national borders -- but how …

Elephants: The Best Animals?

February 14th, 2019

1:06:13

Elephants are pretty much the best. Why? Josh and Chuck will let you know in great detail in today's episode. 

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Short Stuff: War of Jenkins' Ear

February 13th, 2019

15:09

In the 18th century, Spain and England fought each other in the colonies of Georgia and Florida, a war kicked off by an English sea captain who was …

Could There Be A Loch Ness Monster?

February 12th, 2019

1:07:54

People have believed something strange lives in Loch Ness for at least 3500 years. Thousands of people have sighted the Loch Ness Monster and dozens of expeditions have been launched. But does the fact that nothing’s …

SYSK Selects: How Coral Reefs Work

February 9th, 2019

41:04

Coral reefs are the largest organic structures on Earth, yet they're created through a symbiotic relationship between creatures about 3 millimeters long. Learn more about the the world's coral reefs (and how to protect …

The True Story of BlacKkKlansman

February 7th, 2019

50:55

In 2018, director Spike Lee brought the story of Ron Stallworth to the big screen to great effect. Today, Josh and Chuck discuss the true story behind the Oscar nominated film. 

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Short Stuff: Ellen Richards

February 6th, 2019

14:27

Who is Ellen Richards? One of the most unsung scientists of all time, that's who. Her contribution? Bringing real science into the household and …

The Insidious Abuse of Stalking

February 5th, 2019

1:02:01

Stalking has only recently been recognized for what it is – a profound form of psychological abuse where the victim’s life is “infected” by the …

SYSK Selects: Saunas: More Interesting Than You Think!

February 2nd, 2019

43:42

Although they seem pretty mundane, saunas are surprisingly fascinating inventions. Josh and Chuck break out all sorts of sweaty, sauna-related trivia, from the Finnish affinity for saunas to sauna etiquette, in this …

How Central Park Works

January 31st, 2019

58:41

Central Park in Manhattan was America’s first landscaped public park, built at a time when New Yorkers’ only option for getting some fresh air was …

Short Stuff: Johnny Appleseed

January 30th, 2019

14:52

Johnny Appleseed was real! And he was about as amazing as the legend paints him. He really did plant apple trees all over America and if the feds hadn’t chopped them down during Prohibition, they’d still be around. …

How Ping Pong Works

January 29th, 2019

1:02:13

While Asia is well-known for being cuckoo for Ping Pong, the game was actually invented by bored British Victorian aristocrats. Go back and forth about Ping Pong’s place in the world with Chuck and Josh.

Learn more …

SYSK Selects: Bioluminescence: A Bright and Shiny Fish

January 26th, 2019

43:16

Science has a handle on fireflies and glowworms, but most bioluminescent animals live in the ocean and are tough to study. Today, researchers are …

The Legend of Betsy Ross

January 24th, 2019

47:57

Betsy Ross is an American icon to many, the seamstress who sewed the first U.S. flag because of a personal commission from George Washington. But is it true? Sort of. Learn all about this fascinating story today.

Learn …

Short Stuff: Thread Count

January 23rd, 2019

15:12

Is thread count all it's cracked up to be? Listen in and find out in today's edition of Short Stuff!

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SYSK Live: The Kellogg Brothers’ Wacky World of Health

January 22nd, 2019

1:16:56

There’s no way you haven’t had one of their breakfast cereals, but we bet you don’t know the story behind the two brothers who brought the world corn flakes. Buckle in for a lot of talk about poop, religion and …

SYSK Selects: How Lobotomies Work

January 19th, 2019

38:49

Lobotomies -- brain surgeries to relieve psychiatric problems -- are rarely performed today, but they were once fairly common. Tune in to learn more about the controversial history and practice of lobotomies.

Learn …

The July 20th Plot to Assassinate Hitler

January 17th, 2019

52:03

A lot of people in Hitler's inner circle wanted him dead toward the end of the war. But he proved impossible to kill from within. Listen in today as …

Short Stuff: Olestra

January 16th, 2019

13:53

In the 90s a fat free miracle food came out that promised we could eat all we wanted and not gain weight. But there was a caveat: it could also make …

How Airbags Work

January 15th, 2019

45:18

It turns out that the inflatable bag of air that shoots out of your steering wheel or dashboard is the result of a controlled explosion of solid …

SYSK Selects: How Schizophrenia Works

January 12th, 2019

49:15

Up to 24 million people worldwide have schizophrenia. Despite the vast amounts of research, the disorder remains mysterious. In this episode, Josh and Chuck delve into the nature of schizophrenia, from the history of …

The Great Finger in the Wendy’s Chili Caper

January 10th, 2019

49:32

In 2005 a woman named Anna Alaya discovered a length of human finger – nail and all – in her Wendy’s chili. Her cries of disgust would set off a …

Short Stuff: How Often Do You Need To Change Your Oil?

January 9th, 2019

16:45

First things, first: Take that oil change reminder sticker off your windshield and throw it away forever and never look back! 

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How the Spanish Flu Worked

January 8th, 2019

1:03:22

The Spanish Flu killed anywhere from 20-100 million or more people over 1918/1919. All of this played out with World War I in the foreground, one big reason why the flu spread so far, so fast. Learn all about this …

SYSK Selects: How Munchausen Syndrome Works

January 5th, 2019

45:17

Why would someone fake an illness? Here's an even better question: Why would someone repeatedly make themselves sick? Join Josh and Chuck as they …

What was the Tunguska event?

January 3rd, 2019

47:29

In 1908, the most powerful meteoroid explosion in recorded history happened over a remote area of Siberia. But the weird thing is there was no impact …

Short Stuff: Khipu

January 2nd, 2019

17:55

Listen in to learn all about the fascinating "language" of the Incan khipu knotted ropes. 

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Rockettes: Still Kicking After All These Years

January 1st, 2019

50:42

Tune in today to learn all about the legendary NYC Rockettes, who actually got their start in Missouri. 

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SYSK Selects: How Fossils Work

December 29th, 2018

42:13

A fossil is a piece of once-living organic material that has undergone a transition from an organic state to an inorganic state. But what exactly is fossilization? Listen in as Josh and Chuck break down the process of …

Dr. Seuss: The Good, the Bad and the Ugly

December 27th, 2018

56:56

The Seuss is loose in this episode about legendary children's book author Ted Geisel. The funny thing is, he didn't ever want children of his own, and his past work was a bit problematic.

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Short Stuff: The Brain-Bladder Connection

December 26th, 2018

16:36

How much do you know about the brain-bladder connection? In about 15 minutes, it'll be a lot more. 

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SYSK Live Christmas Spectacular!

December 25th, 2018

1:15:45

This year, Josh and Chuck go live for their annual Christmas Spectacular. Recorded from the Center Stage Theater in Atlanta, pour up some eggnog, …

SYSK Selects: The Star Wars Holiday Special of 1978

December 22nd, 2018

59:53

Long ago, in a galaxy not so far away, George Lucas allowed the Star Wars Holiday Special to be made. What happened on the night of November 17, 1978 …

E.T.: Is It Really the Worst Video Game of All Time?

December 20th, 2018

47:03

If you play video games you probably have an easy answer to worst game of all time: ET. But it turns out there are no easy answers, especially when you’re talking about a game so terrible it’s blamed for bringing the …

Short Stuff: Unique Snowflakes

December 19th, 2018

15:05

Amazingly, it turns out that every snowflake truly is unique. Math backs it up. 

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Geodesic Domes: The Wave of the Future That Wasn't

December 18th, 2018

55:13

Sometimes a good idea doesn’t pan out in real life. Take Buckminster Fuller’s geodesic dome: It requires less energy to heat and cool, it’s cheap, …

SYSK Selects: How Igloos Work

December 15th, 2018

33:58

Igloos were traditionally used by Inuit Indians as temporary shelter while on hunting and fishing trips. In this episode, Josh and Chuck look at the design of igloos, from their impressive heat-catching properties to …

Are good samaritan laws effective?

December 13th, 2018

51:36

Good samaritan laws have been around for many years, helping to provide legal protections for people who try to help other people. But do they work? Decide for yourself today!

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Short Stuff: Laughing Buddha

December 12th, 2018

15:07

Did you know that the friendly, smiling Buddha we all know from bars and restaurants isn't really Buddha?

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How Ayahuasca Works

December 11th, 2018

50:25

One day in the Amazon Basin, a shaman put together a plant containing DMT with a vine that allows the body to absorb DMT. The combination, a …

SYSK Selects: That Dang-old Goat Fell Over

December 8th, 2018

34:47

Due to a condition known as Thomsen's disease, the muscles of fainting goats tense up whenever the animal is startled. In this episode, Josh and Chuck break down the science behind this bizarre condition.

Learn more …

Was the PMRC censorship in disguise?

December 6th, 2018

1:00:48

The Parents Music Resource Center in the 1980s was really just censorship in disguise. But it kind of backfired. Learn all about Tipper Gore's crusade in today's episode. 

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Short Stuff: Dolphin Detectors

December 5th, 2018

17:21

They don’t actually disarm mines, but navies around the world use dolphins to find and tag sea mines so humans can disarm the mines themselves. But …

How Search and Rescue Dogs Work

December 4th, 2018

56:24

All dogs are great, but some dogs work harder than others. Or play harder, depending on your view. Learn all about the good boys and girls who find lost people and recover bodies to bring humans peace and closure.

SYSK Selects: Can Your Grandfather's Diet Shorten Your Life?

December 1st, 2018

36:03

Epigenetics is a fascinating field of genetics that studies how the epigenome and environmental, nutritional and social factors affect gene expression. Josh and Chuck explain how epigenetics works in this episode.

Adidas v. Puma: A Sibling Rivalry

November 29th, 2018

46:54

Join Josh and Chuck today as they go down the sport shoe rabbit hole, detailing the strange tail of the brothers who brought Puma and Adidas to the …

Short Stuff: iSmell

November 28th, 2018

16:00

Two men once had a dream - to add smell to the internet. And they almost gave it to us.

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How the Navajo Code Talkers Worked

November 27th, 2018

50:23

In WWII the US Marines devised an unbreakable code-within-a-code made from Navajo, one of the most linguistically difficult languages in the world. A …

SYSK Selects: How Black Friday Works

November 24th, 2018

46:11

On the day after Thanksgiving, Americans go kind of crazy for the deep discount sales that kick off the holiday shopping season in stores. So crazy, …

Fire twucks! Fire twucks! (sic)

November 22nd, 2018

54:38

Who doesn't love fire engines? We certainly do. So much that we geeked out on this one in a big way. Enjoy!

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Short Stuff: Safety Pins

November 21st, 2018

14:37

Safety pins are so ubiquitous, we take them for granted. But that’s the genius of their design – they work so intuitively they might as well have come from nature. Instead, they were invented by a man who never went to …

Finders Keepers: Real Law

November 20th, 2018

44:00

You know that heartbreak of the schoolyard – finders keepers, losers weepers? That’s actual law in a great many grown up places. Enter the murky …

SYSK Selects: How Kleptomania Works

November 17th, 2018

32:11

In this episode of Stuff You Should Know, Josh and Chuck discuss kleptomania, a disorder in which people have an overwhelming impulse to steal …

Olive Oil: Mother Nature's Gift

November 15th, 2018

1:06:00

Olive oil is one of Mother Nature's greatest gifts to humanity. Learn everything you ever wanted to know about the NUMBER ONE OIL, right here, right now. 

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Short Stuff: Lemonade

November 14th, 2018

16:00

Ever wonder where lemonade came from? Let’s up the stakes a little, what about pink lemonade? Well wonder no more! Join Josh and Chuck as they (briefly) cover the history of putting lemons together with sugar and water …

Pando: Earth’s Oldest, Hugest Organism Is Trees!

November 13th, 2018

48:19

In Utah, lives a 106-acre stand of Quaking Aspen trees that are all genetically identical because they are all growing from the same massive root …

SYSK Selects: How Pizza Works

November 10th, 2018

56:45

Sure it's everywhere and there's a more-than-90-percent chance you eat it once a month. But we'll bet you don't know the full history of that pizza …

Is yogurt a miracle food?

November 8th, 2018

51:01

Yogurt has been touted as a health food, but is it? Maybe. If you eat it every day. We get into the rich and creamy history of this supposed miracle food in today's episode. Take a listen!

Learn more about your …

Short Stuff: Vomitoria

November 7th, 2018

15:19

A vomitorium was a place where ancient Romans went to make themselves throw up after gorging themselves at a sumptuous banquet. Everybody knows that. Except that’s not true at all. Learn about what vomitoria were in …

What were war masks?

November 6th, 2018

44:49

War masks were made for soldiers in WWI who had horrible accidents that left their faces sometimes unrecognizable. Though it may seem rudimentary …

SYSK Selects: How Grief Works

November 3rd, 2018

45:57

You can probably name the five stages of grief - from denial to acceptance - they've become pretty well known since being proposed in 1969. But later researchers are finding that grief is rarely that cut and dried, and …

How Easy Bake Ovens Work

November 1st, 2018

41:32

Easy Bake Ovens are as iconic as a toy can get, as American as apple pie or baseball. Learn all about these light bulb cooking, working ovens that …

Short Stuff: Labor Day

October 31st, 2018

15:19

Labor Day, the day when most people in America paradoxically take off work, is actually rooted in some deeply radical and anarchistic thinking. Learn …

SYSK’s 2018 Super Spooktacular

October 30th, 2018

51:17

It’s Halloween again and Chuck and Josh want to creep you out. Listen to two great classic horror stories, dripping with Jeri’s creeptastic audio …

SYSK Selects: What's with the Winchester Mystery House?

October 27th, 2018

36:17

After her daughter and husband died, heiress Sarah Winchester became obsessed with the idea that spirits haunted her and to appease them she had to have a house continuously built for them. So she did - 24 hours a day …

How the Amityville Horror Worked

October 25th, 2018

58:07

In early 1975, the world was introduced to George and Kathy Lutz, a couple who had fled their home in Amityville, NY to escape a powerful, evil …

Short Stuff: Exploding Manholes

October 24th, 2018

16:21

If you live in a big city in a cold climate, you should keep an eye out for 100-pound cast-iron manhole covers suddenly launching 50 feet into the …

How Epilepsy Works

October 23rd, 2018

59:31

A seizure is like an electrical overload in the brain – when it gets overwhelmed, it just shuts down and resets itself. But imagine being susceptible …

SYSK Selects: How Aphrodisiacs Work

October 20th, 2018

27:08

For thousands of years humankind has pursued the enhancement of sexual pleasure and performance through a plethora of medicines and practices -- but how many aphrodisiacs actually work?

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Waterbeds: The Sexiest Bed?

October 18th, 2018

44:25

Waterbeds came and went pretty quickly in the United States, but despite their marketing as sex beds, they were actually invented to deliver a great night's sleep. Learn all about these super 70's beds in today's …

Short Stuff: Korean Fan Death

October 17th, 2018

16:30

There’s a commonly-held belief in Korea that if you fall asleep with a fan blowing on your face you may die in your sleep from it. And while this …

Was There A Real Robin Hood?

October 16th, 2018

54:34

Is it true that Robin Hood hung out in Sherwood Forest and stole from the rich to give to the poor? No. No, it’s not. Find out the real story in this …

SYSK Selects: How Homelessness Works

October 13th, 2018

47:21

Today, millions of people around the world are homeless. In this classic episode, Josh and Chuck take a look at homelessness in the United States, discussing everything from the factors that lead to homelessness to what …

When inventions kill!

October 11th, 2018

49:55

Few things are more ironic than an invention killing its creator. The stories behind real life cases of death-by-invention are pretty interesting …

Short Stuff: William King

October 10th, 2018

15:23

Did you know that the United States has had one Vice-President who was sworn in on foreign soil? Well it turns out that may be the least interesting part of the story of William Rufus King. 

Learn more about your …

How Marathons Work

October 9th, 2018

1:10:43

You’d have to be crazy to try to run 26.2 miles in a single stretch, right? Right. But people still try it anyway. And a lot of them even survive! Find out all about the pitfalls of marathons and the obsession they can …

SYSK Selects: Is lethal injection humane?

October 6th, 2018

50:11

Since the Supreme Court's ban on capital punishment was reversed, states have sought a humane method of killing sentenced criminals. They settled on lethal injection, but is this quasi-medical means of killing as quick …

Algae: Food, Fuel, What?

October 4th, 2018

57:23

Just a couple years ago, algae was touted as the green, plentiful biofuel of the future. But that didn’t pan out. Why? And is algae down for the …

Short Stuff: Grandfather Clocks

October 3rd, 2018

15:25

If you've ever wondered why a grandfather clock is called a grandfather clock and you have 12 minutes to spare, this is your lucky day. Listen in to the brand new Short Stuff series. It's everything you want from Josh …

How the Concorde Worked

October 2nd, 2018

1:01:47

The concorde was a wonderful thing, a super fast commerical airliner that got you across the pond in half the time. But it was small and cramped, …

SYSK Selects: Does the five-second rule work?

September 29th, 2018

40:07

You know when you drop a piece of food and if you pick it up within five seconds it's still good to eat? Researchers have studied whether that's true or not and in doing so have inadvertently shone a light on how …

Seriously, What Is Dark Matter?

September 27th, 2018

48:33

Chuck and Josh take on astrophysics again and this time it pans out well. It turns out that there simply isn’t enough matter in the universe to account for its mass. Which is super weird. What is this missing matter? …

What is colorblindness?

September 25th, 2018

41:17

Being colorblind doesn't mean you see in black and white, although in severe cases it can look a bit like that. The condition is on a spectrum …

SYSK Selects: Was Malthus right about carrying capacity?

September 22nd, 2018

30:24

Thomas Malthus concluded that humanity is bound to outgrow Earth's carrying capacity. The prediction was based on humanity's exponential growth and the linear growth of the food supply -- but was he correct? Tune in to …

How Ranked Choice Voting Works

September 20th, 2018

48:34

In the US, winner-take-all voting has created A LOT of political polarization. But what if rather than voting for one candidate, you could rank all …

Roundabouts: The Problem Is You

September 18th, 2018

1:03:41

They’re as American as Washington, DC yet most people in the US are terrified of them, hate them or both. What is it about traffic circles and roundabouts - which do nothing but safely, inexpensively and greenly direct …

SYSK Selects: How Commercial Jingles Work

September 15th, 2018

41:10

You probably can recite five right now. Commercial jingles are designed to hijack your working memory and implant a product or service and they really work. In this classic episode, learn about the history of these …

What are think tanks all about?

September 13th, 2018

50:23

Think tanks? More like stink tanks! We're kidding. Think tanks do valuable work, when they operate in a non-partisan way of course. Learn all about the history of these heady institutions today. 

Learn more about your …

SYSK Live: How Game Shows Work

September 11th, 2018

1:13:34

Join Josh and Chuck and a whole bunch of great people at the Gothic Theatre in Denver for this live show on game shows and their place in cultures …

SYSK Selects: How Circumcision Works

September 8th, 2018

47:45

Circumcision is a common practice in which the foreskin of a male's penis is removed, typically as a baby. In this classic episode, Josh and Chuck take a look at the origins, practices, and arguments for and against …

The Lava Lamp: Goes Great With Acid

September 6th, 2018

51:46

What started out as an egg timer at a London pub became a furnishing for bachelor pads before it took its rightful place as the most recognizable …

How Police Lineups Work

September 4th, 2018

57:45

Police lineups are something most people have never had any firsthand experience with. What you see on TV and in movies isn't so far off though. …

SYSK Selects: How Patents Work

September 1st, 2018

1:07:09

What was originally designed to encourage innovation by rewarding the people who create technological advances, the U.S. patent system has become a …

How Elimination Diets Work

August 30th, 2018

49:17

Elimination diets are all about whittling down what you eat, then building it back up again in order to identify foods that don't work for your body. Is it safe? It can be. Learn all about this process in today's …

Why There Aren't So Many Hotel Fires Anymore

August 28th, 2018

49:29

1946 was a particularly deadly year for hotel fires in the US. Fires killed hundreds of people in Chicago, Dubuque, Dallas and, in Atlanta, the worst …

SYSK Selects: What's the deal with Voodoo?

August 25th, 2018

39:10

Voodoo is a religion found in parts of Africa and Haiti that's often misunderstood. In this episode, Josh and Chuck separate the faction from the fiction as they explore how Voodoo really works.

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Pterosaurs: Not Flying Dinosaurs

August 23rd, 2018

43:30

Almost everything you know about pterosaurs is wrong. They weren't birds, they weren't flying dinosaurs and they weren't all pterodactyls. Which makes this a great episode for you to learn some new and amazing stuff …

Ballpoint pens? Heck yes, ballpoint pens!

August 21st, 2018

54:14

Get ready, folks. The ballpoint pen is far more interesting than you could ever imagine. For real. Brilliant in its simplicity. Took the world by …

SYSK Selects: How Electroconvulsive Therapy Works

August 18th, 2018

32:06

With the exception of lobotomies, no other psychological treatment has a worse reputation. But thanks to some thoughtful tweaks, ECT has lately …

Who is The Man of the Hole?

August 16th, 2018

42:50

In 2018, there's a man from a lost tribe still living deep in the jungles of Brazil who has been all alone since the mid 1990s. He's referred to as …

How Board Breaking Works

August 14th, 2018

50:22

If you’ve ever seen someone break a stack of boards or concrete blocks with a single karate chop you know what it means to experience awe. Board …

SYSK Selects: How Traffic Works

August 11th, 2018

39:47

Whether you've been stuck in a traffic jam or forced to merge and avoid road construction, everyone's had a few bad experiences with traffic. But how does traffic actually work? In this episode, Chuck and Josh take a …

How Attila the Hun Worked

August 9th, 2018

48:00

If you go to the Internet you'll see a few people championed as all-time greatest conquerors - Alexander the Great, Genghis Khan and Atilla the Hun. Listen in today as Josh and Chuck dive into number three on this list, …

How Search and Rescue Works

August 7th, 2018

1:05:46

There are thankfully about as many ways to look for someone as there are ways to get lost. And the people who dedicate themselves to saving the lives …

SYSK Selects: How Miranda Rights Work

August 4th, 2018

35:15

Back in 1966, the Supreme Court decided that suspects in criminal cases had the right to be reminded that they didn't have to talk to the fuzz if …

How the U.S. Military Draft Works

August 2nd, 2018

1:00:11

The U.S. military draft is far more interesting than you'd think. The process of conscription can get quite complicated, but we're here to clear it …

How the Pony Express Worked

July 31st, 2018

49:59

For as long a shadow as it casts across the history of the Old West, the Pony Express was a failed business venture, doomed from the start, that only lasted 18 months. But since the last rider headed out with his bag of …

SYSK Selects: How the Cannonball Run Worked

July 28th, 2018

37:58

The Cannon Ball Run is a cross-country car race famously portrayed in the campy 1981 movie "Cannon Ball Run." But it isn't fictional. Tune in as Josh …

The Dyatlov Pass Mystery

July 26th, 2018

45:04

The incident at Dyatlov Pass is one of the more enduring wilderness mysteries of all time. Russian hikers found in various states of undress, frozen. What happened to them? Why were there weird internal injuries and no …

Recycling Update: How’s It Going?

July 24th, 2018

1:09:57

It’s been about a decade since Josh and Chuck last checked in on recycling and since then a lot has changed. A global commodities market dealing in recyclables has developed and recently crashed. Jump back into the …

SYSK Selects: How Foot Binding Worked

July 21st, 2018

33:46

Once in a while, all the necessary factors converge to produce a peculiar nationalized sexual fetish. In China, that fetish was foot binding and over …

How Attorney-Client Privilege Works

July 19th, 2018

42:10

One of the oldest protected forms of speech comes from when a lawyer speaks with their client. Over centuries, this legal privilege has been …

Jobs of Bygone Eras

July 17th, 2018

1:05:35

Join Josh and Chuck today as they take a fun look at some of the strange jobs that our ancestors did. It's a SYSK top 10, meaning there will only be eight or so. 

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SYSK Selects: How Twinkies Work

July 14th, 2018

32:33

Twinkies have a reputation for being so processed that they can last for years and years, but they're not as hardy as you'd expect. Uncover the sweet story of Twinkies in this classic SYSK.

Learn more about your …

Gerrymandering: How to Stifle Democracy

July 12th, 2018

42:05

No matter which side of the political spectrum you fall on, you should be outraged about the practice of gerrymandering. Redrawing voter district …

The Disappearance of the Yuba County Five

July 10th, 2018

57:26

In 1978, five friends set out for home from a basketball game. The next day, their car was discovered in a lonely mountain road. The next spring, their bodies began to turn up. What happened that night remains a mystery …

SYSK Selects: Did Reagan's Star Wars program win the Cold War?

July 7th, 2018

40:57

Putting lasers in space to blast Soviet missiles out of the air was a very real part of Ronald Reagan's defense policy. While his "Star Wars" program …

How the Stanford Prison Experiment Worked

July 5th, 2018

51:33

The infamous Stanford Prison Experiment wasn't really much of an experiment as it turns out. It was more like a poorly thought out exercise conducted by a professor who didn't dot the i's and cross the t's. Listen in as …

How Diabetes Works

July 3rd, 2018

1:00:51

Diabetes is one of the biggest killers of people on the planet. And yet, it also seems to be tied to diet and exercise, which makes it preventable. Learn about the fascinating mechanisms that can make your body go …

SYSK Selects: How Ponzi Schemes Work

June 30th, 2018

33:44

Ponzi schemes. How do they work? And who's Ponzi? Join Josh and Chuck in this classic episode to discover how an Italian immigrant created a classic con that's still fleecing investors today.

Learn more about your …

Narwhals: Unicorns of the Sea

June 28th, 2018

41:17

Narwhals are the unicorns of the sea. They're also whales with tusks. The tusks are really long tooths. Are you confused? Let us guide you! 

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Can Anarchism Work?

June 26th, 2018

1:06:41

Teenage punks going through a phase probably come to mind when you think of anarchists, but anarchism is a legitimate political philosophy based on …

SYSK Selects: How Condoms Work

June 23rd, 2018

1:06:44

The earliest depiction of a condom is found in a 15,000-year-old cave painting. Ever since humans realized sex led to children, we've been using …

Genghis Khan: Madman or Genius?

June 21st, 2018

55:55

Depending on who you talk to, Genghis Khan was either a sadistic madman or one of the great leaders in world history. One thing is sure, he was one of the most advanced military minds of all time.

Learn more about your …

How The Pill Changed the World

June 19th, 2018

50:47

When the birth control pill hit the market in 1960 it landed like a social bomb. Almost overnight, women gained the ability to separate sex from …

SYSK Selects: How Bullfighting Works

June 16th, 2018

51:35

When the Visigoths ruled Spain, they introduced the idea of battling bulls at festivals. Today matadors get paid $100,000 and perform in front of …

Skyscrapers: 'Scuse me while I kiss the sky

June 14th, 2018

57:39

Skyscrapers are much more than tall buildings. They're world wonders as far as we're concerned. From design to construction, these babies are …

How Tsunamis Work

June 12th, 2018

52:28

Tsunamis are amazingly devastating natural disasters. They're miles tall and wide, travel as fast as a commercial airliner and can wipe out entire coastal towns. And if the last couple decades are any indication, they …

SYSK Selects: How The Hum Works

June 9th, 2018

43:39

There is a mysterious droning sound often described as like a diesel engine idling that is severely impacting the quality of life of 2 percent of people in places around the world. The thing is, no one knows what's …

Frida Kahlo: Painter, Icon, Genius

June 7th, 2018

52:43

Frida Kahlo was a painter who transcended her own work to became an icon. Learn all about her fascinating and inspiring life and work in today’s episode. 

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The Max Headroom Incident

June 5th, 2018

54:18

In 1987, a very strange broadcast intrusion occurred in the city of Chicago. For just a couple of minutes, the odd TV character Max Headroom appeared onscreen in the middle of an episode of Dr. Who. He spoke in garbled …

SYSK Selects: Was there a real King Arthur?

June 2nd, 2018

49:00

The legend of King Arthur is very old and very established. By the time the king who saved Britain and united it was first written about, his story …

Is the Pied Piper About a Real Historic Tragedy?

May 31st, 2018

46:07

In the German town of Hameln a tragedy that took place on a specific date in 1284 and befell specifically 130 children is commemorated every year. Aside from those two details, the event is cloaked in mystery. What …

How Drug Courts Work

May 29th, 2018

57:01

If you aren't in the know, you may think drug courts are set up to quickly prosecute drug users and get them into prison in short order. Turns out it's just the opposite - they're empathetic courts set up to give people …

SYSK Selects: How Pinball Works

May 26th, 2018

50:34

Pinball was actually illegal until the 1970s in NY and other cities, hidden in the backs of pornography shops. The game was finally legalized, thanks to a Babe Ruth-style shot by the best player in the world. Learn all …

How Occam's Razor Works

May 24th, 2018

46:50

You know the rule that says the simplest explanation is probably the correct one? That’s called a razor and it’s meant to guide logic. But over time …

A List Of Games You Would Surely Lose to a Computer

May 22nd, 2018

1:01:28

We live in a time where computers can beat the best humans in the world at chess, checkers, poker and video games. But these games are really just demonstrations of how intelligent our machines are growing. They’re …

SYSK Selects: Is brain size related to intelligence?

May 19th, 2018

40:19

The idea that the larger the brain, the higher the intelligence is an old one, but it's pretty much utterly false. Modern investigation into how the …

The Collar Bomb Heist

May 18th, 2018

47:31

The collar bomb heist is the crime caper that keeps on giving. Every time the story seemed like it was figured out, another layer appeared. Tune in …

What's a quinceañera anyway?

May 15th, 2018

45:08

A quinceañera is the celebration of a girl of Hispanic heritage becoming a young woman on her 15th birthday. It involves family, friends, music and a …

SYSK Selects: How Cremation Works

May 12th, 2018

48:47

Cremation is a burial process practiced around the world, but how exactly does it work? Josh and Chuckers take a detailed look at cremation's history, practices and controversies in this episode.

Learn more about your …

How Drowning Works

May 10th, 2018

56:58

Hundreds of thousands of people drown around the world every year, and yet it can be easily prevented and is widely misunderstood – like how you can officially drown but live to tell the tale, or how you can drown but …

PT Barnum: More Complicated Than You've Heard

May 8th, 2018

1:03:50

When your life is as outsized as the World’s Greatest Showman PT Barnum it’s pretty easy to - you know - gloss over the grimmer aspects when you turn it into an uplifting musical movie. But the way to understand a …

SYSK Selects: Are there undiscovered people?

May 5th, 2018

31:54

In this classic episode, Josh and Chuck discuss whether there are any truly "undiscovered" groups of people left on the planet, the definition of …

North Korea: What's the Deal?

May 3rd, 2018

1:12:52

For almost 70 years, North Korea has been the bane of South Korea, Japan and the US or has stood as the sole defenders of the Korean homeland from …

Nepotism: When Hiring the Best Just Won't Do

May 1st, 2018

47:17

Nepotism is something that is very hard to avoid, and very hard to resist, even if you know it may be the wrong thing to do. We all love helping out families get ahead, but you're also costing someone else an …

SYSK Selects: Who killed JFK?

April 28th, 2018

50:53

For the 50th anniversary of the assassination of President John F. Kennedy in Dallas, Josh and Chuck delve into the killing, the investigations and the conspiracy theories to get to the bottom of an enduring national …

Does Pyromania Actually Exist?

April 26th, 2018

40:28

A fascination with fire is part of every kid’s childhood, but it’s meant to be passing. For some people, fire becomes the central focus of life, and …

Emojis: A New Language? Nah.

April 24th, 2018

53:11

Believe it or not, there's a lot more to Emojis than meets the eye. Turns out their history is pretty interesting stuff. Join Josh and Chuck today as they tell the tale of the little faces that we all love to hate. 

SYSK Selects: How Mirrors Work

April 21st, 2018

33:44

Whether using polished metal surfaces or clear glass, human beings have enjoyed admiring their reflections for centuries. In this episode, Josh and …

Two Times In the 70s When People Buried Ferraris

April 19th, 2018

51:13

Not once, but twice in the 1970s people buried amazingly valuable Ferraris, arguably the greatest sports cars ever built. One was dug up after being secretly buried; the other was put in the ground forever. These are …

The Unabomber: Misguided to say the least

April 17th, 2018

51:37

The Unabomber was one of the most notorious and longest lasting cases in the history of the FBI. Just because the manifesto reads like he was a fortune teller doesn't make his actions any less deplorable. Learn all …

SYSK Selects: What happens in the brain during an orgasm?

April 14th, 2018

42:55

In this classic episode, Chuck and Josh test the limits of their decorum as they explore the physiology of an orgasm. Learn all about this …

How Paramedics Work

April 12th, 2018

53:17

Paramedics are not EMTs. Or fire fighters. Or cops. But they do ride around in ambulances (and drive) to help to save lives. It's a stressful job and …

Why Landmines Are The Deadliest Legacy Of War

April 10th, 2018

56:56

One of the worst legacies of war are the millions of landmines left behind. They hide for decades after a conflict is over, exploding beneath unsuspecting civilians and children. To many, removing mines and banning new …

SYSK Selects: Sherpas: Warm, Friendly Living

April 7th, 2018

35:47

Pop quiz: What word denotes a nation of people, a last name and an occupation? If you guessed 'Sherpa,' then congratulations: You're correct. But …

Project Azorian: The CIA's Super 70s Mission To Steal A Sunken Soviet Sub

April 5th, 2018

56:14

In 1974 the CIA undertook one of its most brazen operations – secretly raising a sunken Soviet submarine lost in the middle of the Pacific Ocean right under the noses of the Russian Navy. With the help of billionaire …

When Words Take on New Meanings

April 3rd, 2018

1:02:51

Historical words often morph and change to take on new meanings. Today on the podcast, Josh and Chuck sit down and talk about a handful of them, …

SYSK Selects: How Guide Dogs Work

March 31st, 2018

46:27

You know how when you see a guide dog leading a blind person to their destination and you think, "There goes a truly great dog?" It turns out you are …

What are false positives?

March 29th, 2018

49:58

When getting a medical diagnosis, it's important to understand the terms. Negative is good, positive is bad, false positive is great in a way, but false negative is the worst. Learn all about false positives, when your …

How Meals on Wheels Works

March 27th, 2018

53:12

Meals on Wheels is one of the great charitable organizations in the world, providing much-needed nutrition for elderly people in need. It also has a …

SYSK Selects: Subways: HUH! What are they good for?

March 24th, 2018

50:22

As ubiquitous as they've become, it's easy to overlook the marvels of engineering that are subways. Chuck and Josh go boring as they explore these systems of tubes that must circumnavigate rock, rivers, cables and more …

How the Framingham Heart Study Works

March 22nd, 2018

56:29

In the 1940s, a tiny town outside Boston volunteered to be test subjects in a study that would become one of the longest and broadest in the history …

How the New England Vampire Panics Worked

March 20th, 2018

52:45

In the 19th century, in isolated villages and godforsaken towns in rural New England, people began to suspect their deceased family members had …

SYSK Selects: How Trickle-Down Economics Works

March 17th, 2018

48:16

The concept of trickle-down economics is tied to Ronald Reagan, but the idea's been around and in use since the 20s. It's simple: Give more money to …

Is Vaping Really Bad For You?

March 15th, 2018

46:32

E-cigs, vapes, whatever you call them they have been touted as a safer alternative to tobacco and even a way for people to quit smoking. But recent studies have found that perhaps they’re not so harmless after all. So …

The Huggable, Lovable Walrus

March 13th, 2018

55:52

When it comes to the animal kingdom, SYSK has covered a wide range. This week, the guys dive into the frigid waters of the Arctic to delight in everything that is the huggable, lovable walrus. From their tendency to …

SYSK Selects: How Cockroaches Work

March 10th, 2018

49:30

You've seen them in your home and probably squealed in terror, but now it's time to learn all about cockroaches. From their ability to run incredibly fast to the appendage that alerts them when you're about to whack …

Why Do People Believe In Faith Healing?

March 8th, 2018

58:45

Since a 1906 revival in Los Angeles, people around the world say they’ve been cured by the Holy Spirit after preachers with the Gift of Healing laid …

The Strange Story of Sea Monkeys

March 6th, 2018

57:59

Anyone who ever picked up a comic book as a kid probably marveled at the ads for the mysterious Sea Monkeys. In reality, they are just brine shrimp, not fantastical beings with magical powers. But the story behind the …

SYSK Selects: Is there treasure on Oak Island?

March 3rd, 2018

42:35

Off Nova Scotia, the tiny spit of land called Oak Island has been host to waves of treasure hunters for more than 200 years. Some of them lost their lives in the search for a treasure reputedly buried in a deep pit. But …

SYSK Live: Back When Ford Pintos Were Flaming Deathtraps

March 1st, 2018

1:20:41

For this special live benefit episode recorded in Atlanta, Josh and Chuck go back to the 70s and look at the decidedly ungroovy course of events that led to Ford recalling its Pinto after people started burning up in …

Knife Throwing: Super Cool

February 27th, 2018

47:42

Sure knives can cut through a steak or slash through jungle vines, but probably the coolest thing you can do with a knife is throw it. At a person …

SYSK Selects: How the MPAA Works

February 24th, 2018

49:32

You may be surprised to learn those ubiquitous ratings, from G to NC-17, put on movies in America are actually handed down by anonymous employees of a secretive organization that serves as a lobbying firm for …

Rosa Parks: Agent of Change

February 22nd, 2018

56:29

Rosa Parks finishes out our Black History Month episodes in grand fashion. While most know her from that fateful day on the Montgomery city bus, she …

Are Feral Children Real?

February 20th, 2018

47:30

For millennia people have been amazed by legends of wild children found in the forest or jungle, sometimes raised by animals like wolves or apes. But …

SYSK Selects: How the Underground Railroad Worked

February 17th, 2018

41:40

As early as 1786, groups assembled to help slaves escape lives of bondage. And, as the 19th century progressed, the emergent Underground Railroad grew more sophisticated in aiding escaped slaves. But how did it work? …

The Harriet Tubman Story

February 15th, 2018

52:49

Harriet Tubman is a legendary figure in history, but the details of her life are even more remarkable than what you may have learned in school. …

How Pompeii Worked

February 13th, 2018

55:54

What must be one of the most famous natural disasters in history took place when Mt Vesuvius buried Pompeii in 79 CE. But when the town was resurrected 1700 years later, a new chapter in its history was written.

Learn …

SYSK Selects: How Narco States Work

February 10th, 2018

38:01

In this episode of Stuff You Should Know, Josh and Chuck discuss Narco States, places where illegal drugs are traded openly with government support …

The Mystery of The Grand Canyon Newlyweds

February 8th, 2018

57:40

In 1928 Bessie and Glen Hyde attempted to navigate their way through the belly of the Grand Canyon in a homemade boat. They disappeared without a trace and their mystery endures all these years later. Listen in today to …

What is a Mold-A-Rama?

February 6th, 2018

44:47

In the 1960s, a very cool machine debuted at the Seattle World's Fair - the Mold-A-Rama. It made real plastic toys on-demand from melted plastic …

SYSK Selects: How Lion Taming Works

February 3rd, 2018

33:47

Bossing a lion around in front of a crowd at a circus has been an attraction for 200 years, but exactly how lion tamers get their captive wild …

Marijuana Vs. Alcohol: Which Is Worse For You?

February 1st, 2018

57:12

It's been the subject of teenage conversation for decades already, but now you can join Josh and Chuck as they dive into the science of how pot and booze affect your body, mind and behavior and learn which one comes out …

The Manson Family Murders Part II

January 30th, 2018

46:01

Listen in today for the conclusion of the story of the Manson Family Murders.

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SYSK Selects: Prisons - Not as Fun as You'd Think

January 27th, 2018

50:00

Most people have a basic understanding of how prisons work, but it's often heavily influenced by fiction. What's it really like behind those bars? In this episode, Josh and Chuck reveal the practices, controversies and …

The Manson Family Murders Part I

January 25th, 2018

51:43

The '60s ended with a lot of turbulence, not the least of which was the Manson Family Murders. What made Charles Manson so alluring to his family? …

How Hoarding Works

January 23rd, 2018

1:07:14

You may be familiar with compulsive hoarding from TV, but something that’s often missing from those shows and the news is the deep and overwhelming …

SYSK Selects: Lab-grown meat: Order up!

January 20th, 2018

31:46

Since Winston Churchill predicted we'd grow meat in a lab by 1981, researchers have considered doing just that. And thanks to the current work of about 30 groups, we may be only years away from mass-produced artificial …

How Hang Gliding Works

January 18th, 2018

47:02

It’s a super 70s thing, sure, but hang gliding is a thrill ride for the ages. So strap in with Josh and Chuck and learn all about the earliest method of human flight, originally created by a German man who flew over …

How Removing Public Monuments Work

January 16th, 2018

52:31

Public monuments can be removed for a variety of reasons, from public sentiment changing, to governments being overthrown, to just being downright ugly. Learn all about this hot button topic today.

Learn more about …

SYSK Selects: The Wind Cries Typhoid Mary

January 13th, 2018

41:54

In the 19th century, typhoid was considered a disease of the lower classes. When an outbreak occurred in wealthy Oyster Bay, New York, a mystery was afoot. Tune in to learn how this event began an ongoing debate over …

What is an invasive species?

January 11th, 2018

56:09

Invasive species can mean a lot of things, from fungus to feral pigs and European starlings to kudzu vines. Basically, it's anything brought to a place, either by humans or nature, that didn't originate there. They …

The Mystery of the Mary Celeste

January 9th, 2018

1:07:00

When the Mary Celeste was discovered floating and abandoned in the middle of the Atlantic Ocean one day in 1872, the legend of the ghost ship was born. Why did the Mary Celeste’s crew disappear? Was it pirates? Mutiny? …

SYSK Selects: What Makes a One-hit Wonder?

January 6th, 2018

33:27

The term "one-hit wonder" gets thrown around a lot, and - yes - you probably are using it correctly, but Chuck Bryant went to the trouble to really define what makes a one-hit wonder in the article this episode is based …

How Impeachment Works

January 4th, 2018

57:04

Impeachment is does not necessarily mean a president is removed from office. But it could. It's a fascinating procedure that has been crafted and …

How Orchids Work

January 2nd, 2018

56:09

Ever since Victorian orchid hunters ravaged the tropics in search of unique specimens to sell for ludicrous amounts of money, the West has been gripped by orchidelirium. Small wonder since orchids are not only …

SYSK Selects: How Willpower Works

December 30th, 2017

36:10

You use it every day to overcome your lower self (which wants you to eat cake until your vision blurs) in pursuit of the goals of your higher self (which wants you to not develop Type-II diabetes). Yet it was only in …

How the Seven Wonders of the Ancient World Works, Part II

December 28th, 2017

51:09

We finish our tour of the best sights of the ancient world when we get deep into the history of a lighthouse that stood for 1200 years, an unsettling …

How the Seven Wonders of the Ancient World Works, Part I

December 26th, 2017

48:27

Long before slide rulers and pocket protectors, civilizations across the world used their noggins to build some impressive structures. Almost all …

SYSK Selects: The Star Wars Holiday Special of 1978

December 23rd, 2017

1:00:23

Long ago, in a galaxy not so far away, George Lucas allowed the Star Wars Holiday Special to be made. What happened on the night of November 17, 1978 …

The 2017 SYSK Christmas Extravaganza!

December 21st, 2017

55:07

It's the most wonderful episode of the year! Join Josh and Chuck as they ride their sleigh through the debate over whether Die Hard is a Christmas …

Narcissism: But what about me?

December 19th, 2017

1:05:40

This week Josh and Chuck dive into the world of narcissism, one of the most perplexing and disturbing disorders humans can have. Learn all you ever cared to know about people who largely are centered on the self, lack …

SYSK Selects: How Population Works

December 16th, 2017

34:59

Population may not seem like the most scintillating topic in the world, but Josh and Chuck beg to differ. Join them as they explore how population …

How the Globe of Death Works

December 14th, 2017

48:06

The Globe of Death – el Globo de la Muerte to our Spanish-speaking friends – is perhaps the greatest of all the circus arts. It requires no smoke, no mirrors, only motorcycles, a giant sphere and fearless riders with …

The Deal With Doulas

December 12th, 2017

43:31

The word doula in Ancient Greek might mean "female servant" but it's really not a great description of the 21st century job. Doulas are birth coaches …

SYSK Selects: How much money is there in the world?​

December 9th, 2017

40:59

There are few things more futile than trying to count all of the money in the world. Even many governments have no idea how much currency they have issued. But that won't stop Chuck and Josh from trying and explaining …

How Flight Attendants Work

December 7th, 2017

46:31

Flight attendants have come a long way. From having to put up with rampant sexism, to the current incarnation as your first line of defense in case of an incident, they are valued airline employees. Learn all about this …

How Vomit Phobia Works

December 5th, 2017

35:04

No one - no one - likes to vomit, but there are some people who would prefer to die rather than vomit, people who spend their days worrying they will …

SYSK Selects: How Crime Scene Cleanup Works

December 2nd, 2017

38:01

Cleaning up crime scenes is a niche industry that's both lucrative and messy. In this episode, Josh and Chuck take a look at how crime-scene clean-up works.

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Cake: So Great. So, So Great

November 30th, 2017

1:15:55

Cake has been around for a long time, but mostly less than great forms. It took the Industrial Revolution, the advent of plentiful sugar, and some …

How Toy Testing Works

November 28th, 2017

52:17

It's every kid's dream - a job playing with toys that pays in toys. It's a real thing and has been around for a long time. Then there's the other side of the testing process, companies who ensure that toys are safe. It …

SYSK Selects: How Organ Donation Works

November 25th, 2017

42:39

In this week's SYSK Select episode, tune in as Josh and Chuck take a detailed look at organ donation -- from the earliest organ transplants to the organ black market.

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What is nuclear forensics?

November 23rd, 2017

53:15

Nuclear forensics is a lot of things - from UN sponsored inspections to tasks more on the down low. But either way, the job of these men and women is to root out possible nuclear weapon threats. It's a fairly unknown …

Bath Salts: Steer Clear

November 21st, 2017

46:02

Although much of the media-fueled hysteria over the designer drug called bath salts has been utterly unfounded, especially when it comes to driving users to eating people's faces, you'll still want to pass on them. …

SYSK Selects: How Daylight Saving Time Works

November 18th, 2017

40:22

In this week's SYSK Select episode, Benjamin Franklin first came up with daylight saving time in 1748, and people still practice it today. But how does it work? What are the pros and cons? Join Josh and Chuck as they …

Can movies be cursed?

November 16th, 2017

57:51

First of all, movies can't be cursed because curses aren't real. However, that can't stop Josh and Chuck from taking a look at some movies throughout history that have had a disturbing number of bad things surrounding …

How the Flu Works

November 14th, 2017

55:41

Every year the flu virus makes the rounds, laying up young and old alike for days before moving on to another hapless victim. But flu viruses can …

SYSK Selects: How Silly Putty Works

November 11th, 2017

43:16

In this week's SYSK Select episode, when the Japanese invaded Southeast Asia in World War II, they cut off America's rubber supply. Luckily, American can-do created a synthetic rubber and saved the War. Learn about the …

What's permaculture all about?

November 9th, 2017

57:11

Permaculture is a growing trend in the world of farming and home landscaping. It's basically a design principle that emphasizes sustainability and …

How Restaurant Health Inspections Work

November 7th, 2017

59:45

If you've ever worked in a restaurant, you know the feeling that occurs when the health inspector pays a visit. While nerve wracking, it's the best insurance patrons have that their food will be prepared and served in a …

SYSK Selects: How Exorcism Works

November 4th, 2017

25:52

In this week's SYSK Select episode, is the idea of possession a misunderstanding of physiological and psychological conditions, or has science failed …

Movie Crush: Tig Notaro on Mask

November 3rd, 2017

1:12:33

Episode two of Movie Crush is a very special one. Comedian Tig Notaro dropped in minutes after a very important, life changing phone call to chat with Chuck about the movie Mask. Have a listen!

Learn more about your …

Movie Crush: Janet Varney on Tron

November 3rd, 2017

53:51

This week Movie Crush launches with two great episodes. Up first, actress Janet Varney talks with Chuck about the movie Tron and how much it means to her.

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How Global Warming Works

November 2nd, 2017

1:05:26

It's a confusing part of climate change when it seems winter is as cold as ever, but as global temperatures creep ever so slightly higher, a cascade …

SYSK's 2017 Super Spooktacular!

October 31st, 2017

58:09

In this year's super scary Halloween episode, Chuck and Josh read two great works of horror fiction: Gifts, by our very own Ed Grabianowski, and the classic The Yellow Wallpaper by Charlotte Perkins Gilman.

Learn more …

SYSK Selects: How SPAM Works

October 28th, 2017

45:31

In this week's SYSK Select episode, SPAM is a canned meat product made from pork shoulder and ham. First introduced in 1937, this iconic food has …

Episode 1,000: The Simpsons Spectacular Part II

October 26th, 2017

1:06:05

Today concludes our two part celebration of one of the greatest TV shows of all time - The Simpsons! It also officially marks our 1,000th episode. Can you believe it? We sure can't. So join us today as we wrap up our …

Episode 999: The Simpsons Spectacular Part I

October 24th, 2017

55:45

For our 999th and 1,000th episodes, we go down the rabbit hole on a TV show that quite literally altered popular culture as we know it. The Simpsons …

SYSK Selects: The Cheesiest SYSK Episode Ever

October 21st, 2017

50:43

In this week's SYSK Select episode, cheese is often overlooked as a one of humanity's great achievements. Making cheese is surprisingly easy: It's …

How Internships Work

October 19th, 2017

44:23

The term intern comes from the medical community, but virtually every industry now uses them. From real world training to coffee fetchers, interns can be used and misused in many different ways. Dive into the world of …

SYSK Live: The DB Cooper Heist

October 17th, 2017

1:36:27

Join Josh and Chuck live from Seattle as they (sky)dive into one of the most brazen robberies in the annals of crime and the only unsolved airline …

SYSK Selects: Is there such a thing as a truth serum?

October 14th, 2017

42:10

In this week's SYSK Select episode, ever since people have had secrets, other people have been looking for ways to get it out of them. Law enforcement and chemistry alike have searched for a drug that can remove the …

How Buildering Works

October 12th, 2017

52:01

Up until recently we had no idea buildering was a word. Or that people scaling buildings has been a thing since the turn of the 20th Century. Learn along with us, and don't try it at home.

Learn more about your …

How the Rolling Jubilee Works

October 10th, 2017

51:37

Everyone thought it was the pits that banks were bailed out by taxpayers in 2008 while those same people weren't given any relief by the banks. So some Occupy Wall Street members did something about it.

Learn more …

SYSK Selects: Did a cow start the Great Chicago Fire?

October 7th, 2017

34:15

In this week's SYSK Select episode, Josh and Chuck find who's probably to blame for the Great Chicago Fire. The newspapers of the day reported that a cow (or perhaps its owner) was responsible for a fire that burned …

How Giraffes Work

October 5th, 2017

59:21

Even though giraffes are one of the most recognizable animals on the planet, it wasn't until the 21st century that biology really set about studying …

How Police Body Cameras Work

October 3rd, 2017

50:14

Cops wearing cameras is a new thing. So new that we aren't entirely sure of all the ramifications that go along with them just yet. In theory they …

SYSK Selects: What was the most peaceful time in history?

September 30th, 2017

34:03

In this week's SYSK Select episode, there is a lot of debate about whether pre-agricultural humans existed in a more harmonious state than we do …

How Nude Beaches Work

September 28th, 2017

50:35

Probably all beaches were nude early on, but as society developed and body shame became all the rage, people started wearing bathing suits. Some, though, liked the way it was before.

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How FOIA Works

September 26th, 2017

56:04

In the 60s, Congress worried the White House was operating too much in secret and passed the Freedom Of Information Act, opening the government to public questioning. It has been an ongoing struggle to pry those secrets …