Beavers are in fact, very busy. They're builders and solid family members, husbands and wives. Learn all about N America's largest rodent in this classic episode. See omnystudio.com/listener for privacy information.

Selects: Beavers: Tail Slapping Fun

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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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 destroying the country. People across the nation ran wild with panic in the streets – or did they? Listen to this classic episode to find out. See omnystudio.com/listener for privacy information.

Selects: The Great War of the Worlds Panic Myth

The idea that we aren’t the first advanced civilization to live on Earth sounds like a fringe theory, but it raises a good question: How can we be so sure that a civilization didn’t arise and die on Earth so long ago that any trace of it has been erased? See omnystudio.com/listener for privacy information.

The Silurian Hypothesis

Even the dullest hockey game is worth seeing when the Zamboni comes out to resurface the ice. See omnystudio.com/listener for privacy information.

Short Stuff: Zambonis!

Taking care of 12,000 tons of residential trash every day is a hard job. But how does that even work? Listen in to marvel at the NYC sanitation system. See omnystudio.com/listener for privacy information.

NYC Trash: A study in persistence

Despite as much as one percent of the adult population having the condition, science doesn't actually know how stuttering works. The best it's come up with so far: there seems to be an issue between the physical process of speaking and the thought process that underlies it. Find out what science means by this in this classic episode. See omnystudio.com/listener for privacy information.

Selects: Beavers: Tail Slapping Fun

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