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Paper Boys

92 EpisodesProduced by Paper BoysWebsite

Each week, two PhD students read the research papers behind headline science news and give you the details you can't get in the stories.

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What happened to the mice of Universe 25? (BONUS EPISODE)

What happens when you give a scientist, obsessed with biblical death, near unlimited control over a utopian city of mice? Well...a lot of death, it turns out. In the 1960's and 70's, Dr. John Calhoun created what should have been a perfect mouse city - unlimited food, shelter, and water with no predators or inclement weather. Then he let nature run its course. Within a few years, the city was in ruins. Listen in as we dive into the research paper detailing exactly what happened to the mice in Universe 25, from meteoric rise to tragic demise.

Check out the paper, news articles, and more at

Like the show? Want more every month? Fan of universal constants? Check out

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