
Stuff You Should Know
2,797 episodes — Page 40 of 56

How Food Tasters Work
Some people might think that tasting food for a living is the best job in the whole wide world. But think again! The reality is, it can be a tedious, grueling job that destroys your very love of food. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

This Custom of Customs
Customs may be a pain when you're traveling, but it's a necessary instrument the government uses to regulate trade. And it has a very fascinating history. Your passport please? Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Jellyfish: Even Cooler than Octopi?
Jellyfish are among the most adaptable, competitive organisms on the planet. They can grow back into their juvenile stage when resources are scarce, reproduce in massive groups and kill an adult human, among lots of other neat stuff. Learn all about em! Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

The Delightful History of Steam Technology
One of the coolest things humans have ever figured out is how to use steam as power. It made the Industrial Revolution possible and even today, 88% of America's electricty comes from steam turbines. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

How Woolly Mammoths Worked
It was only 11000 years ago that the last true woolly mammoths died out, close enough to the modern age that humans lived alongside them. But were humans the cause of mammoths' sudden extinction or was climate change to blame? Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Evel Knievel Part II
In today's episode, we cover part two of our Evel Knievel suite. The man, the myth, the legend. Check in and listen to the latter stages of Evel's career as the world's most legendary daredevil. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Evel Knievel Part I
Evel Knievel was perhaps the world's most legendary daredevil. He came along at a time when the world ate up this kind of entertainment, partially in hopes that he crashed. And crash he did. A lot. Learn all about this icon in this special two part episode. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Mermaids: Not a real thing
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.comSee omnystudio.com/listener for privacy information.

How Night Terrors Work
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.

What is exploding head syndrome?
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.

How Triage Works
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.

How the Moonwalk Works
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.

How Chaos Theory Changed the Universe
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: Short and Sweet
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.

How Radiation Sickness Works
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.

What's with this "Internet of Things"?
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.

Research tips from SYSK
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.

How Lighthouses Work
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.

How Underground Mining Works
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.

What's the misery index?
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.

How Space Stations Work
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.

How Steadicams Work
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.

Why Are So Many Disembodied Feet Washing Ashore In British Columbia?
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.

What's the deal with controlled burns?
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.

How Motion Sickness Works
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.

How Gene Editing Works
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.

How SuperBalls Work
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.

How Crumple Zones Work
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: The Phantom Menace
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.

The Unsolved Mystery Disappearance of the Sodder Children
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.

How Bonsai Works
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.

True stories of survival cannibalism!
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.

How Snake Handlers Work
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.

How LSD Works
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.

How Megalodon Worked
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.

What was Operation Plowshare?
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.

Myths and Truths About Tornadoes
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.

Does Kin Selection Explain Altruism?
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.

What Makes Lead So Poisonous?
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.

How Big Bang Theory Works, with Neil deGrasse Tyson
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.

How the Gender Pay Gap Works
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.

How Labor Strikes Work
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.

Our cats episode - right here, right meow
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 not the most toxic impulse
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.

What Was the Deal With the Hatfields and McCoys?
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.

How TED Talks Work: Featuring Roman Mars
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.

Who Gets to Name Continents?
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.

How Makeup Works
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.

Some Really Interesting Cases of Mass Hysteria
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.

How Dark Money Works
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.