Stuff You Should Know

If you've ever been in a bad accident in a newer car, you probably have crumple zones to thank for your life. Much more interesting than you think, these zones are designed to break apart and absorb impact, so you don't have to. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

Chiggers are tiny little mites capable of making your life miserable. Worse than mosquitoes? Maybe. But they aren't insects - mites are actually part of the arachnid family and behave a little like ticks. Learn all about these nearly invisible pests in today's episode. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

In 1945 a house fire took the lives of five children - except that no trace of their bodies was ever found. Dive into the longstanding mystery of the odd circumstances surrounding the disappearance of the Sodder children. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

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. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

Cannibalism is the macabre practice of eating other humans. But sometimes, people have no choice if they want to survive. It's called survival cannibalism and it tastes like chicken. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

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 right here, right now. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

In 1943 Swiss chemist Albert Hofman discovered he'd created what may be the most potent hallucinogen known to humankind. Then he took a bike ride. Learn about the chemistry, neurology, history and cultural impact of LSD-25. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

Between 2 to 20 million years ago, the biggest shark with perhaps the most devastating bite of any animal ever ruled the oceans with an iron jaw. Despite its fierceness, megalodon went extinct while other species that swam with it survive today. Why? Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

America had already used two nuclear bombs to devastating effect when researchers thought "maybe we can use these bombs to dig big holes instead." That's right, atom bombs to replace bulldozers. And it worked great. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

Tornadoes can make mincemeat out of houses, people, cars, you name it. So do you know what to do - and what not to do - when there's one headed your way? Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

There's a curious puzzle unanswered by the theory of evolution: why do some animals give up their chance to reproduce to help others reproduce instead? For decades biologists have suggested family was the reason, but that has recently been challenged. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

The people of Flint, MI were horrified to find their drinking water was poisoned with lead. As we learn more about lead's effects and realize how persistent it is, the more worrying it becomes. What makes lead so toxic? Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

There are a number of theories for how the universe evolved but none are more widely accepted than the Big Bang theory. Learn about the mind-boggling details of the early universe and hear Dr. Neil deGrasse Tyson talk about what it will take for us to know its origins. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

The gender pay gap is the amount of time into the next year a woman must work to earn as much as a man did the previous year. And it's narrowing at a snail's pace. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

Labor strikes are the last resort of a workforce frustrated with low pay or dangerous working conditions. A big part of winning a wage war is having the public in your side. Learn all about strikes in today's episode. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

Cats are the most popular pet in the United States, despite the fact that we've only been keeping them indoors for 50-60 years. Learn about more cat facts in today's episode. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

Nostalgia is a funny thing. It's not home sickness, it's more connected to emotions and a time in your life. But is nostalgia worthwhile? Nascent science says it just might be. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

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 world. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

TED Talks have been around longer than you think. They became really popular once YouTube came along to bring their often inspirational messages to the world, 18 minutes at a time. In this episode, we interview an actual TED talker, the host of the 99% Invisible podcast, Roman Mars. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy inf...

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 episode. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

Humans have been wearing makeup for a few thousand years now and yet, here in the US the chemicals used in them are still not understood and not really regulated. Delve into the history of makeup and the psychology and feminist theory around it. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

Around the world and across time, people have fallen victim to one of the strongest contagions of all - the power of suggestion. Here are just a few examples of these bizarre cases. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

Since the Supreme Court ruled in 2010 in the Citizens United case that political contributions are speech and should be protected, the floodgates of anonymous political contributions have opened. But does absolute funding corrupt absolutely? Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

Each year hundreds of dogs haul humans in sleds as part of the 1,100 plus mile Iditarod Trail Sled Dog Race. It's grueling and not without controversy but one thing is for sure, these are some amazing dogs. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

Not too long ago, people would pay money to gawk and stare at a performer with a physical disformity. They were called freakshows and they began in large part thanks to P.T. Barnum, whose circus we still enjoy today. Sounds awful, but some of these performers became rich folks as a result. Exploitive? You decide. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystud...