Tumble Science Podcast for Kids

99 EpisodesProduced by Tumble / Gen-Z

Exploring stories of science discovery. Tumble is a science podcast created to be enjoyed by the entire family. Hosted & produced by Lindsay Patterson (science journalist) & Marshall Escamilla (teacher). Visit www.tumblepodcast.com for more information and educational content.

99 Episodes | 2015 - 2019

The Explorer's Road Trip

July 12th, 2019


If you have a long trip this summer, Tumble has the perfect fuel to inspire exploration along the way! Marshall’s off exploring the deepest, darkest part of the jungle, and he put together the perfect playlist of …

Science of Poop with Mary Roach [EXTENDED CUT]

June 28th, 2019


Everybody poops. But why? To find out, science writer Mary Roach takes us on a journey into the alimentary canal - that's the tube that runs from our mouth to our rectum. Along the way, we learn about pooping in space, …

The Voyage of the Ocean Trash with Jenni Brandon [EXTENDED CUT]

June 14th, 2019


The Great Pacific Garbage Patch is a vast, swirling soup of trash, twice the size of Texas. Can we ever clean it up? That’s what 8 year old Ila wants …

Tumble Season 4 Favorites with The Show About Science!

May 31st, 2019


We’re taking a listen back to some of our favorite moments from Season 4 of Tumble, with help from our friend Nate! Nate is the 9 year old host of …

The Butterflies of Paris

May 17th, 2019


This is the last episode of Season 4, but stay tuned for our special summer lineup! We’ll be back for Season 5 in fall 2019.

Why are butterflies so …

The Hurricane of the Future

May 3rd, 2019


Why are hurricanes so powerful? Every year, monster storms develop in the Atlantic Ocean from June until November. It seems like they come out of …

The Launch of the Irish Satellite

April 19th, 2019


How does a country start its own space program? Come with us to Ireland to find out, and meet one of the students whose childhood dreams of launching a satellite are about to come true. Lana Salmon is part of a team …

The Science of Whiskers

April 5th, 2019


Why do seals have whiskers? Listener Karah’s question dives into the wonderful world of whisker science. Robyn Grant, a self-described “whisker …

The Tale of the High School Astronomer

March 22nd, 2019


Meet Ana Humphrey. She hasn’t graduated from high school yet, but she’s already discovered 560 places outside our solar system where we could find …

The Secret to Cheetahs’ Super Speed

March 8th, 2019


How do cheetahs get their super speed? We talk to a cheetah scientist to find out why a spotted cat is the fastest animal on Earth. Cheetahs are literally built for speed! Anne Hilborn spent months scoping out cheetahs …

The Search at Edge of the Solar System

February 22nd, 2019


Is there a hard edge to the solar system? This question led to a big, breakthrough discovery that changed the way we picture the solar system - and …

Hamster Versus Bacteria

February 8th, 2019


Who would win in a competition, a hamster or bacteria? Place your bets, because we’re going to tell the story of this epic science showdown. Danielle …

The Superpower of the Secret Names

January 25th, 2019


How do species get their scientific names? To find out, Lindsay and Marshall take a field trip behind the scenes at the Smithsonian National Museum of Natural History. That’s where we meet Chris Mah, a sea star …

The Cave of the Underground Astronauts

January 11th, 2019


Do you love fossils, adventure, and spending time in small spaces? If so, you could become an underground astronaut! Marina Elliot, Becca Peixotto, …

The Animal Road Trip Adventure

December 21st, 2018


Join us for a journey through Tumble's favorite animal episodes! Swim with whale sharks in Mexico, climb mountains with pikas, travel back in time to discover our earliest primate relatives, and more. Download two hours …

Discover the Wildlife of Your Home

December 7th, 2018


We're going on an indoor expedition to discover the species in our own home! You’ll never look at the bugs in your house the same way again. …

Inside the Bat Cave (BONUS EPISODE)

November 23rd, 2018


What’s it like to go inside the world’s largest bat colony? In this special bonus episode, we’re sharing part of our interview with Jessica Dreyer, …

Tumble Presents: Becoming Mother Nature

November 9th, 2018


Today we’re presenting the first episode of Becoming Mother Nature, a show from our friends at Gen-Z Media. It’s recommended for listeners 9 and up. For the rest of our listeners, we’ll be back with a new Tumble episode …

The Mask of the Crow Scientist

October 26th, 2018


Not a true crime story, but a true science story! Starring a murder of crows, a person in a creepy mask, and one very curious scientist named Kaeli Swift. We unravel the mystery of what appears like scene from a …

Pluto and the Planetary Pandemonium

October 12th, 2018


It’s a scientific controversy of planetary proportions! Is Pluto a planet, or not? You decide, after we present two sides of an epic astronomy argument. Back in 2006, the International Astronomer’s Union voted on a …

What Would Earth Be Like If Volcanoes Didn’t Exist?

September 28th, 2018


A volcanologist imagines a world without volcanoes, and tells us how her recipe for homemade lava bombs might lead to discoveries about ancient …

The Journey to the Bat Cave

September 14th, 2018


Join us on a field trip to the biggest bat colony in the world! Bracken Cave is home to 15 million Mexican free-tailed bats. It’s the largest …

The Science Splash Jam! Live

August 31st, 2018


This summer, Tumble went live!! and we want to share the science magic with all our listeners. In this episode, you’ll hear our favorite parts of our …

The Case of the Shrinking Laboratory

August 17th, 2018


What if you could shrink your technology down to a size that’s 100,000 times smaller than the width of a human hair? It sounds like sci-fi, but it’s …

The Girl Who Spoke Science

August 3rd, 2018


Meet 11-year-old Sarah Galvani-Townsend! She’s our first ever kid science expert. In many ways, Sarah is a regular kid who loves science. But she’s …

The Snapdragon Hunt

July 20th, 2018


It’s the tale of an epic science adventure. It’s the drama of the hunt for a dragon… a snapdragon! This isn’t the kind of dragon that breathes fire. …

Mailbag Episode With Joe Hanson!

July 6th, 2018


Joe Hanson is a scientist who hosts PBS Digital Studio’s It’s Okay to Be Smart and Hot Mess, a new YouTube show about climate change. He’s been a longtime friend of Tumble’s, so it was a no-brainer to ask him to help …

The Road Trip to Outer Space

June 22nd, 2018


Got a long trip coming up? Turn it into an adventure into outer space! Marshall’s headed out on an intergalactic journey. He’s lined up the best episodes on astronomy for your road trip! See what it’s like to spend a …

Tumble Presents: Young Ben Franklin

June 8th, 2018


**Recommended for listeners age 8 and up** This week, we’re presenting a new show from our friends at Gen Z Media! It’s called Young Ben Franklin, …

The Barcelona Supercomputer Adventure

June 1st, 2018


This week, we’re taking you to visit one of most powerful computers in the world! It’s called MareNostrum 4, and it’s housed in a former chapel in …

The Sleep Camp Experiment

May 18th, 2018


You’ve never heard of a summer camp like this before. It’s a science camp, but the campers ARE the science! Imagine playing volleyball with electrode …

What Would Happen If There Was No Moon?

May 4th, 2018


What would happen if our Moon suddenly disappeared? Would we still have tides? It turns out that the Moon has a much bigger influence on Earth than …

The Power of Pika Scientists

April 20th, 2018


For Earth Day, we’re discovering how the tiny, adorable pika is helping scientists study climate change! Temperatures in their mountain habitat are getting warmer, and rain and snow isn’t as predictable as it used to …

The Weather Balloon, the Girl Scouts, and the Unicorn

April 6th, 2018


What happens when a Brownie Troop goes to a weather balloon launch? One Brownie guesses that they’ll make contact with unicorns in the sky. Atmospheric scientist Gary Morris shows us what it takes to launch the biggest …

Dinosaur Poop Part 2: The Coprolite Queen

March 23rd, 2018


This is #2 in a series on dinosaur coprolites, AKA fossilized feces! In the 1800’s, Mary Anning was known as the best fossil hunter in England. She …

Dinosaur Poop Part 1: Who Dung It?

March 9th, 2018


Call it fossil feces, dinosaur dung, or preserved poo. This is the first of a two part series on dinosaur poop! We kick it off with the modern-day …

Marshall's Mailbag: The Sequel

February 23rd, 2018


Return of the mailbag! The Tumble inbox is filling up with questions, and Marshall scrambles to answer them while Lindsay relaxes with a glass of …

The Surprising Story of Sea Stars' Sticky Feet

February 9th, 2018


“How do sea stars grip onto rocks?” That’s what listener Chloe wants to know. To find out, we take a trip to an aquarium to see sea stars’ tiny tube feet in action, and call up sea star expert Chris Mah. What we learn …

The Secret Senses of Plants

January 26th, 2018


“Do plants feel pain?” Jude’s question leads us to stunning discoveries about what plants feel, what they hear, and even what they talk about! …

How to Build a Robotic Eel

December 22nd, 2017


Meet Envirobot, a robotic eel who slithers along the surface of the water, seeking the source of water pollution. The future is here, and it's full …

The Case of the Sparkly Mineral

December 8th, 2017


"How are minerals made?" "What makes rocks sparkly?" Mary Lou and Tilly are curious about minerals, the chemical compounds that make up rocks! Get ready for a behind-the-scenes tour of the Field Museum in Chicago! …

Mission CO2 to Mars

November 24th, 2017


“Could we ship Earth’s extra carbon dioxide to Mars?” Our listener Ilan has come up with a brilliant plan to stop climate change in its tracks, and …

Marshall's Mailbag Episode!

November 10th, 2017


It's a mail bag episode! While Lindsay is away, Marshall is going through a bunch of listener questions and answering them as best he can. Do monkeys get ice cream headaches? Why is Play-doh so salty? Listen to find out …

We Ain't Afraid of No Ghosts: A Tumble Halloween

October 27th, 2017


Why do people believe in ghosts? And can science ever prove that they don’t exist? We take a road trip with Dennis Waskul, a sociologist who traveled …

BONUS EPISODE: Kidcast Sampler!

October 25th, 2017


We often talk about how there are so many great kid podcasts out there to discover. Now, we're bringing those podcasts directly to you, in this sampler pack of a bonus episode! Find these podcasts and more at …

Why Words?! How We Learn Language

October 20th, 2017


Children are the best language learners, says psycholinguist Evan Kidd. But how do children learn languages so easily, and why is learning another …

The Electric Detectives

October 6th, 2017


Where does electricity come from? That's what listener Ati wants to know. Lindsay and Marshall get on the case of a massive blackout that plunged 50 million people into darkness Scientist and engineer Mike Legatt helps …

The Solar System’s Wild Ride

September 22nd, 2017


Do solar systems move? That’s what Levan wants to know. NASA astronomer Stefanie Milam shares how technology has allowed humans to see the course our …

The Magic Memory Molecule

September 8th, 2017


How does our brain remember things? Neuroscientist Andre Fenton found that question has no easy answers. Andre has spent years experimenting with …

Season 3 Starts September 8!

August 21st, 2017


Tumble will be back with all new episodes this fall! Make sure you're subscribed to Tumble to get the first episode on September 8. This season, expect more great stories about science discovery, from around the world!

The Science of Poop with Mary Roach

June 16th, 2017


Everybody poops. But why? To find out, science writer Mary Roach takes us on a journey into the alimentary canal - that's the tube that runs from our mouth to our rectum. Along the way, we learn about pooping in space, …

The Call of the Antarctic Dinosaur with Julia Clarke

June 2nd, 2017


Dinosaurs didn’t roar. What?! Paleontologist Julia Clarke has been uncovering clues to how dinosaurs sounded, in ancient bird fossils from …

The Quest of the Alien Hunter with Seth Shostak

May 19th, 2017


Are we alone in the universe, or are there other life forms out there? That's what Daniel, a listener from New Zealand, wants to know. Scientists …

The Sign of the Ninja Virus with Jasdave Chahal and Omar Khan

May 5th, 2017


Brothers Ian, Sam, and Eli want to know, “How do vaccines keep our bodies healthy?” We meet two scientists, Omar Khan and Jasdave Chahal, who have teamed up to tackle the world’s most dangerous diseases with a new …

The Skull of the Ancient Primate with Chris Kirk

April 21st, 2017


Who is the oldest primate, and is it our great-great-great grandfather? Listener Elena's question takes us into a laboratory chock full of fossils, …

The Puzzle of the Flipping Cats with Greg Gbur

April 7th, 2017


Wonder why a cat always lands on its feet? It's a question that stumped scientists for over a hundred years. Some suspected that mischievous cats were breaking the laws of physics! Was it the catnip? Or was it a mystery …

The Case of the Whale Shark Party with Rafael de la Parra

March 24th, 2017


Imagine this: You’re in the middle of the Gulf of Mexico with a big fish on the line. But suddenly, you’re surrounded by whale sharks, the biggest …

A Year on Mars with Sheyna Gifford

March 10th, 2017


What would you bring on a trip to Mars? That’s a question Sheyna Gifford had to ask herself when she packed to live on Mars for a year. Wait, what?! …

The People of the Snow with Kelly Elder

February 24th, 2017


The People of the Snow with Kelly Elder Why does it snow, where does it snow, and why are snowflakes not the same size or shape? We jump into a pile of snow questions, and find a very different kind of science in the …

The Secret Life of Your Shower with Noah Fierer

February 10th, 2017


Something is living in your showerhead. Scientists need your help to figure out what it is, and why it’s there. Biologist Noah Fierer is enlisting …

The Tower of the Vomiting Robot with Anna Rothschild

January 27th, 2017


We dive into the gross side of science with Anna Rothschild, host of the PBS/NOVA series Gross Science! Anna tells us how a robot named Vomiting Larry helped scientists discover how to stop the spread of a potentially …

Journey to the Center of the Earth with Ta-Shana Taylor

January 13th, 2017


What is the Earth made of? That’s the question at the core (pun intended!) of this episode. Geologist Ta-Shana Taylor shares the fascinating story …

Season 2 Coming Soon!

January 6th, 2017


It's almost here! We've got brand new episodes of Tumble starting January 13. Here's a quick sample of what's to come. Subscribe now on iTunes or wherever you listen to podcasts. Have an Android? Try our partner …

The Voyage of the Ocean Trash with Jenni Brandon [ENCORE]

December 16th, 2016


Our friends Andrew & Polly from the podcast Ear Snacks introduce their favorite Tumble episode. Listener Ilya asks if there's a way to remove all …

The Secrets of Bugs and Bats [BONUS EPISODE]

December 9th, 2016


In this special bonus episode, some of our favorite guest scientists answer listener questions! It’s like a Tumble reunion! Learn about the bugs you can find near your home, how ants let each other know about food …

The Case of the Invisibility Cloak with Andrea Alu [ENCORE]

December 2nd, 2016


Invisibility cloaks: Not just for wizards? Listener Quinn introduces his favorite Tumble episode, where we explore the very real science behind invisibility! Tumble t-shirts are now available in kid's, men's, and …

The Quest for the Hidden Planets with Joel Green [ENCORE]

November 18th, 2016


Our listener Griffin picked an exciting tale of outer space for this week's episode! Astronomer Joel Green explains how scientists discover and …

The Puzzle of the Friendly Dog with Mia Cobb and Krista McPherson [ENCORE]

November 4th, 2016


What makes dogs loyal? This question comes from Amalia, a sixth grade student. We ask two different dog scientists, and their answers will surprise you. We learn about an experiment that tests dogs’ loyalty - or does …

The Laboratory of the Haunted House with Margee Kerr

October 31st, 2016


Why do people get scared and how? We ask Dr. Margee Kerr, a scientist who studies the science of fear. She once set up a basement lab in a Halloween haunted house to understand why people sign up to get scared. She …

The Hunt for Black Holes with Karl Gebhardt [ENCORE]

October 21st, 2016


A fan favorite episode, now with new black hole discoveries! We answer our first listener question, how do black holes work? We talk to Dr. Karl …

How to Interview a Scientist [BONUS EPISODE]

October 19th, 2016


Send us your interviews with scientists, and they might end up on our show! In this special bonus episode, we'll teach you how to interview a scientist. It's easier than you might think, and it's super fun. You might …

The Tale of the Bacteria Farmer with Sarah Richardson [ENCORE]

October 7th, 2016


Sarah Richardson, a biologist, dreams of being of a farmer. Instead of tending to barns full of cows making milk, she'll have petri dishes full of …

The Journey to the Deepest Part of the Ocean with Gaelin Rosenwaks [ENCORE]

September 23rd, 2016


Where is the deepest part of the ocean, and have we been there in person? Ocean explorer Gaelin Rosenwaks answers with an amazing story of the first explorers to dive to a mysterious place called Challenger Deep. It's …

The Charge of the Everlasting Battery with Mya Le Thai

September 12th, 2016


Why do batteries - even rechargeable ones - die? What if there was a battery that lasted forever? Mya Le Thai, a young scientist, was sick of recharging her phone. So she set out make make a longer lasting battery. What …

The Tale of How Ants Conquered the Earth with Corrie Moreau

August 26th, 2016


Why are there so many different species of ants? That’s what entomologist Corrie Moreau wants to know. There are more species of ants than there are …

The Meow of the Misunderstood Cat with Brains On

August 13th, 2016


Are cats evil, or just misunderstood? That's what our friends at Brains On debate for a panel of kid judges. Find out what they decide in this special guest episode! Plus, Lindsay and Marshall weigh in on their …

The Code of the Flashing Firefly with Sara Lewis

July 29th, 2016


Why do fireflies flash their lights on and off, on and off? That’s what four curious kids want to know. Biologist Sara Lewis has studied fireflies …

The Tale of Darwin and the Beagle with Áki Jarl Láruson

July 15th, 2016


We have a short and sweet summer episode for you! Charles Darwin is known as the father of evolution, but he got his start as a naturalist as a young …

The Voyage of the Ocean Trash with Jenni Brandon

July 1st, 2016


The Great Pacific Garbage Patch is a vast, swirling soup of trash, twice the size of Texas. Can we ever clean it up? That’s what 8 year old Ila wants …

The Case of the Invisibility Cloak with Andrea Alu

June 17th, 2016


What are invisibility cloaks made of, and when can we buy them in gift shops? That's right, invisibility cloaks are not just for wizards anymore. We get into the very real science of invisibility with Dr. Andrea Alu. …

The Journey to the Deepest Part of the Ocean with Gaelin Rosenwaks

June 1st, 2016


Where is the deepest part of the ocean, and have we been there in person? Ocean explorer Gaelin Rosenwaks answers with an amazing story of the first explorers to dive to a mysterious place called Challenger Deep. It's …

The Hunt for Black Holes with Karl Gebhardt

May 18th, 2016


How do black holes work? And how do we learn about them, if they're impossible to see? We talk to Dr. Karl Gebhardt, who has helped discover over …

The Mystery of When Brains and Sports Collide with Kiki Sanford

May 4th, 2016


What happens to your brain when you get a concussion? It's common to get hit in the head when you play rough or risky sports. Everyone knows a concussion makes you woozy for a while. But the impacts of repeated …

The Adventure of The Explorers Club with Richard Garriott

April 13th, 2016


We take you inside the famed Explorers Club in New York City, where we meet a real explorer! Richard Garriott de Cayeux has been around the world and into space on scientific expeditions. He shares the stories of famous …

The Quest for the Edge of the Universe with Katie Mack

March 30th, 2016


Does the universe go on forever? Or does it have an edge? Jack and Kate have a few ideas about how to find out, involving a GoPro and a rocket. We …

The Puzzle of the Friendly Dog with Mia Cobb and Krista Macpherson

March 17th, 2016


What makes dogs loyal? This question comes from Amalia, a sixth grade student. We ask two different dog scientists, and their answers will surprise you. We learn about an experiment that tests dogs’ loyalty - or does …

The Cave of the Upside Down Bat with Micaela Jemison

March 2nd, 2016


Why do bats hang upside down? That's what fifth graders living in the Bat Capital of the World - Austin, Texas - want to know. We visit Micaela Jemison at the world headquarters of Bat Conservation International to …

The Tale of the Bacteria Farmer with Sarah Richardson

February 10th, 2016


Sarah Richardson, a biologist, dreams of being of a farmer. Instead of tending to barns full of cows making milk, she'll have petri dishes full of …

The World Without Parasites with Carl Zimmer

January 6th, 2016


What would the world be like if there were no parasites? You might actually miss those mind-controlling blood suckers. Science writer Carl Zimmer …

[UPDATE] The Night of the Decoy Spider with Joe Hanson

December 16th, 2015


[Now, with new information on decoy spider research!] One dark night in the Amazon, three guys stumble face first into a new discovery - and capture it all on video. Joe Hanson, from It's Okay to Be Smart, tells the …

The Secret of Dark Energy with Jeff Silverman

November 16th, 2015


No one knows what dark energy is or why it exists. So how did astronomers discover the mysterious force that's pulling the universe apart? Astronomer …

The Tale of The Brain Scoop with Emily Graslie

October 19th, 2015


Emily Graslie, host of the YouTube science show The Brain Scoop, explains how an encounter with a dead mouse at a natural history museum steered her toward one of the most important discoveries of her life. (This …

The Case of the Living Dinosaurs with Brian Switek

September 3rd, 2015


Dinosaurs never went extinct. They're living in our backyards. How did scientists discover that birds are secretly dinosaurs? Science writer Brian Switek tells us how some suspicious fuzz on a farmer's fossil find …

The Mystery of the Exploding Star with Jeffrey Silverman

July 16th, 2015


A mystery that began with an unusual star spotted in the year 1054 took almost a thousand years to solve. In this episode, supernova expert Jeffrey …

The Tale Of The Giant Toad with Sheril Kirshenbaum

May 14th, 2015


When a tiny beetle starts destroying farmers' fields in Australia, scientists decide to bring in a giant toad to bite back. But they never predicted …

The Night Of The Decoy Spider with Joe Hanson

April 26th, 2015


What does the moment of discovery sound like? In this episode, Joe Hanson of It's Okay to Be Smart shares the story of a fellow YouTuber who stumbles upon an incredible new species while filming in the Peruvian …

The Quest for the Hidden Planets with Dr. Joel Green

April 10th, 2015


Science fiction is full of adventures to distant planets outside our solar system. But it wasn't until 20 years ago that astronomers were able to …

The Case of the Missing Brains with Dr. Rachel Berman

February 24th, 2015


One man's very, very unfortunate accident made him one of the most famous patients of all time. Dr. Rachel Berman shares the story of how this man helped scientists figure out what the brain does. Music in this episode …

The Mystery of the Barton Springs Salamander with Dr. Hayley Gillespie

February 24th, 2015


Dr. Hayley Gillespie, an ecologist, tells us how she cracked the case of the Barton Springs Salamander's mysterious meals. Music by YACHT, courtesy …

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