Stuff You Should Know

Mermaids aren't real. That much we know. But the history and lore of these magical and sometimes menacing creatures of the sea is pretty interesting stuff. Learn all about these half women/half fish today. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

Night terrors, an uncommon sleep disorder, happen when the brain doesn't transition correctly to deep sleep. The result is terrifying, with the sufferer genuinely terrified, swatting at invisible attackers, and screaming for help - all while sound asleep. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

Exploding head syndrome isn't nearly as weird as it sounds, and there are no brain parts being damaged. But if you suffer from it, you will definitely be freaked out. The good news is, despite its name, it's not dangerous at all. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

Triage is a system that provides immediate attention and categorization for medical emergencies that hopefully will never be a big part of your life. Unless you work in an ER. Learn all about the interesting history and current methods for this life saving system today. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

When Michael Jackson debuted the moonwalk in 1983 the world was enrapt. The dance goes back farther, to the 1930s, and pops up again in the 50s, before reappearing via mimes and West Coast poppers in the 70s. Follow the circuitous route of an iconic move. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

Since the age of Descartes, science has put all of its eggs in the basket of determinism, the idea that with accurate enough measurements any aspect of the universe could be predicted. But the universe, it turns out, is not so tidy. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

The Gettysburg Address is one of the most famous speeches in political history, despite only being a few hundred words long. What was so special about this commemoration? We'll give you the skinny right here and now. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

Fortunately, science has very few instances where humans have been exposed to acute radiation poisoning to study for clues to treating radiation sickness. They have found, though, that those few instances have been grave. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

You may have heard about the Internet of Things and not known what the term meant. It's basically a collection of object conected to your life and the internet. We're talking everything from your smart phone to your fitness tracker. Cool stuff, but fraught with privacy issues. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy informati...

People often ask us how we do our research. We're not going to disclose all of our secrets, but we'll give you some tips on how to root out the bad studies from the good ones. Learn all about shady studies and reporting right now! Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

People have been burning fires on cliffs as long as other people have used boats, but after the Age of Exploration, lighthouses took their unmistakable form and the great stories of the people who kept the lights around the world began. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

People used to use deer antlers to beat the minerals out of rock hidden in the earth. Luckily, they got better at it, and now modern mining is a mind-boggling process for efficiently removing stuff we want from inside the planet. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

Economists love their data because somewhere in the numbers lies the answer to the ills of the country. They also love to frame data in a way people can relate to. Such is the case with the famous "misery index." Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

It seems like we largely take it for granted these days, but the fact that we have humans living in space is the realization of a scientific dream a century old. Visit the space stations orbiting Earth past, present and future in this episode. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

There have been many inventions that have advanced filmmaking, but maybe none as important as the steadicam. Invented in the mid-70s, it literally changed the way movie making happened, and made the impossible possible. Learn about the fascinating history behind this amazing technology today. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for p...

Between 2007 and 2016, 17 disembodied feet - still wearing shoes - have washed ashore between Washington and British Columbia. What's behind the sudden influx of Vancouver's mystery feet? Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

Starting a fire to prevent fire seems counterintuitive, but it makes a lot of sense once you understand it. But controlled burns aren't just to help prevent forest fires. They're also a vital part of keeping the local ecosystem healthy and thriving. Learn all about how controlled burns work right here, right now. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystud...

Motion sickness is the worst and hits about 25 to 40 percent of humans when they ride in cars, boats, or simply watch the wrong 3-D movie. Join us as we break down the science behind this nausea-inducing affliction. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

With the discovery of a surprising immune response in E coli bacteria, we are facing a new era of freedom from genetic mutations that lead to disease by simply and precisely editing our genes. But there is also a potential dark side to gene editing. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

You can thank Wham-O's SuperBall for inspiring the name of the NFL's Big Game (buh) and you can thank the fear and the Soviet launch of Sputnik aroused in America for the invention of SuperBall! Learn the history and physics of this bouncy legend. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

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.