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.comSee 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.comSee 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.comSee 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.comSee 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.comSee 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.comSee 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.comSee 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.comSee omnystudio.com/listener for privacy information.

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.comSee 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.comSee 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.comSee 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.comSee 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.comSee 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.comSee omnystudio.com/listener for privacy information.

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.comSee 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.comSee omnystudio.com/listener for privacy information.

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.comSee 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.comSee 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.comSee 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.comSee 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.comSee 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.comSee 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.comSee 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.comSee 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.comSee 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.comSee 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.comSee 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.comSee 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.comSee 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.comSee 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.comSee 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.comSee 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.comSee 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.comSee 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.comSee 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.comSee 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.comSee 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.comSee omnystudio.com/listener for privacy information.

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.comSee 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.comSee 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.comSee 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.comSee 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.comSee 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.comSee omnystudio.com/listener for privacy information.

El Nino may mean "the little boy" or "Christ Child" in Spanish, but this weather phenomenon really means crazy things for Planet Earth. We're talking rain where it's typically dry and drought where it's usually wet. Learn why today. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Sometimes things - like dentures, airplanes or even people - go missing. And when they never turn up again they become enduring, and engrossing, mysteries. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Renewable energy could be the key to ensuring the future prosperity and health of Planet Earth and humankind. In this very special episode, we sit down and discuss the possibilities with Bill Gates. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

For about 175 years people have been huffing nitrous oxide for everything from vision quests to anesthetic to get plain old high. And after all that time we are only now beginning to understand how it works on our brains. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.