Stuff You Should Know

Just before Francisco Pizarro arrived in South American in 1532, the Inca empire covered 350,000 square miles and boasted a million inhabitants. Yet Pizarro managed to take down this vast, powerful and advanced bureaucracy with only 168 men. Find out how and learn about the Inca on this episode. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

It's a pretty miserable thing to break a bone. There's the initial blinding pain, all of the medical procedures during a trip to the hospital and then, in the best case example, you have to wear a cast for four months. Beneath all of this misery, though, your body is carrying out some pretty amazing processes. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

The annals of history hold a special place for people who have carried out treachery and betrayed their own. Thousands of years later, their names are still synonymous with being a scoundrel around the world. From Marcus Brutus to Vidkun Quisling and more, Josh and Chuck examine some of the bigger turncoats to live -- and exonerate others. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

When the Jet Age came about, pilots found they had a brand new problem with their brand new planes: how to bail out when they found themselves in a pinch at 700 mph. In the mid-1940s, aerospace engineers got to work coming up with a fascinating and complex lifesaving device, the ejection seat. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

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 them with your shoe, cockroaches are fascinating creatures that deserve your respect. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

If there is an American legend who is both real-life and larger-than-life it is Davy Crockett. While he may not have ""kilt him a b'ar"" when he was three, he definitely did personify both the best and the worst of American individualism during the age of Manifest Destiny. Learn all about the man behind the coonskin cap in this episode. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

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 air runs out. Learn about the physics of this clever and ancient invention and how it's been used to sabotage enemy boats and build the Brooklyn Bridge. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

In this special episode of Stuff You Should Know, Chuck and Josh tip their hats to Shark Week with an old-fashioned radio play. Join the guys (and a few guests) as they present a dramatization of the 1916 Jersey Shore shark attacks. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

That laziest of backyard games, horseshoes, is also a very ancient one, developed by people following Greek armies more than 2,000 years ago. Since then, the game of horseshoes hasn't evolved too much, which would indicate that it has reached perfection. Learn about the rules of this game, one of the few things in life where close counts. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

The Babylonians, one of the earliest civilizations, were the first to use fingerprints to differentiate people, but it wasn't until the 19th century that prints were used for crime fighting. Ever since, analyzing, classifying and collecting fingerprints to catch criminals and positively identify people has advanced, but is it valid? Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.