Stuff You Should Know

It's common knowledge that famines are usually caused by major droughts: Rain doesn't fall, crops don't grow, and people go hungry. But recent research suggests that while weather may trigger famines, they may actually be more of a human-made catastrophe. Find out more in this classic episode.

See omnystudio.com/listener for privacy information.

We think of estrogen and testosterone as the female and male sex hormones and they may seem kind of gross (is that just Josh?), but that simple understanding is way off. A magical biochemical dance between the two creates everything from bones to moods.

See omnystudio.com/listener for privacy information.

Straitjackets aren't really a thing anymore unless you're watching a movie or TV show. Or in prison. That's the sad truth.

See omnystudio.com/listener for privacy information.

The 70s were the decade of the woman in the US. America finally was coming around to the understanding women and men are equals and the government sponsored a conference to advance women’s rights. The opposition that arose changed the fabric of America.

See omnystudio.com/listener for privacy information.

When Fort Knox was built in the 1930s to house America’s gold supply, it was billed as an impenetrable, impregnable, don’t-even-think-of-trying vault. But as the world has moved further away from gold, the stockpile’s lost a bit of its luster. Learn all about it in this classic episode.

See omnystudio.com/listener for privacy information.

One of America’s most important ecosystems takes up more than half the state of Florida. It’s a river of grass, a cactus desert, and a saltwater bay all rolled into one. And there are alligators and crocodiles. And that’s just the beginning.

See omnystudio.com/listener for privacy information.

What's the deal with knocking on wood? It's an action one takes to ensure good luck. Which doesn't exist. Yet we do it. Humans are funny that way.

See omnystudio.com/listener for privacy information.

One of the things we rely on is for the companies who make the stuff we need to not stick it to us, the customer. But it’s become painfully clear that’s just what happened during the pandemic and that it’s still happening today. What can we do about it?

See omnystudio.com/listener for privacy information.

In 2018, there's a man from a lost tribe still living deep in the jungles of Brazil who has been all alone since the mid 1990s. He's referred to as the Man of the Hole, and has had no face-to-face with modern humans. Who is he? We'll answer that question as best we can in this classic episode.

See omnystudio.com/listener for privacy information.

It doesn't get much bigger than the Pulitzer Prize if you're a journalist. Or a novelist. Or really any kind of writer. They even give them to podcasts now. We're not holding our breath.

See omnystudio.com/listener for privacy information.

The strange thing about the story of the Ramree Island Crocodile Massacre is that it didn't happen. Yet the story lives on. 

See omnystudio.com/listener for privacy information.

A man with an unfulfilled vision left a huge gash in the ground near Niagara Falls. Then a chemical company came along and filled it with toxic waste. Then people came along and built homes and an elementary school on top of it. Then things went badly.

See omnystudio.com/listener for privacy information.

Believe it or not, in 1985 the Philadelphia Police Department dropped a bomb from a helicopter onto a residential building in an African-American neighborhood. The fact that this story isn't more widely known says it all. Listen and learn about MOVE in this classic episode.

See omnystudio.com/listener for privacy information.

Today is part II of our tribute to one of the most iconic pieces of American culture.

See omnystudio.com/listener for privacy information.

Ten percent of people – in Japan at least – get the urge to poop when they visit bookstores. But it wasn’t until a courageous woman stepped up and became the voice of the phenomenon now named after her that they realized they were part of a movement.

See omnystudio.com/listener for privacy information.

Today we pay tribute to one of the most iconic pieces of American culture. Listen in to hear us gush about Charlie Brown, Lucy, Snoopy and the rest of the Peanuts gang. 

See omnystudio.com/listener for privacy information.

For a learning disability that everyone seems to know about, dyslexia is maybe the most commonly misunderstood and controversial cognitive difficulty there is. Some people think it’s a gift, some people think it doesn’t even exist. Learn more in this classic episode.

See omnystudio.com/listener for privacy information.

It started with New Hampshire couple Betty and Barney Hill, who learned under hypnosis they’d been abducted and examined by aliens in 1962. Since then, possibly millions of people in the US alone came to believe they followed in the Hills’ footsteps. Why?

See omnystudio.com/listener for privacy information.

There’s an ingredient in Skittles and lots of other food that Dunkin Donuts stopped using it in their powdered donuts. Skittles said they were phasing it out too back in 2016 but still haven’t and now the lawsuits flow like The Spice.

See omnystudio.com/listener for privacy information.

The most reviled, hated, despised, no-good, low down, dirty rotten architectural style of all time is actually just the most misunderstood. Learn about this unfairly treated architectural movement and why it’s awesome. Learn to love brutalism.

See omnystudio.com/listener for privacy information.

Breaking up is hard to do. Your brain might even think you're getting over a cocaine addiction. Learn all about the science behind break-ups in this classic episode!

See omnystudio.com/listener for privacy information.

Llamas are pretty great. They smile! They also spit and if they feel overworked will just lay down. There's a lot to admire there.

See omnystudio.com/listener for privacy information.

Roly Poly bugs go by many names. They look like tiny armadillos. They're great for your garden. And they're crustaceans. Yeah, you read that right. 

See omnystudio.com/listener for privacy information.

Multitasking isn't really possible, because of the way the human brain works. We know you think you're getting more done, but you're really working slower and with worse results than working sequentially. We promise. 

See omnystudio.com/listener for privacy information.

The trial of Sacco and Vanzetti, two anarchists accused of murder, was one of the first "crimes of the century." But did they do it? To this day there is speculation that they did not. Learn all about this famous case in this classic episode. 

See omnystudio.com/listener for privacy information.

You know all of those cords and cables and wires that we use to connect our stuff to the electrical grid so they’ll, you know, work? Imagine a day when energy flies through the air like wifi, utterly cord-free. Well, imagine no more! That day is coming!

See omnystudio.com/listener for privacy information.

Smudging is the process of wafting around the smoke of burning white sage. What is it good for? Listen in and find out.

See omnystudio.com/listener for privacy information.

If you grew up outside of Africa, you might know Haile Selassie’s name from reggae music - the man who ruled Ethiopia is considered a god in Jamaica. In Ethiopia opinions are more varied. 

See omnystudio.com/listener for privacy information.

In 1968, Paul Erlich published The Population Bomb, predicting coming famine and mass death. Erlich's predictions didn't pan out but his ideas launched a debate still raging today. Learn all about it in this classic episode.

See omnystudio.com/listener for privacy information.

David Hahn was a kid who was really into science. So much that he built a nuclear reactor in his mother's potting shed. And it worked. 

See omnystudio.com/listener for privacy information.

One of the world’s cultural treasure troves were created in West Africa. But for over a century they’ve been held in museums outside of Africa. In fact, an estimated 95 percent of Africa’s cultural heritage is kept in museums overseas.

See omnystudio.com/listener for privacy information.

Charles and Ray Eames were superstar designers who dreamed up some of the most iconic pieces of furniture ever made. And they did much more than that.

See omnystudio.com/listener for privacy information.

Sometimes a good idea doesn’t pan out in real life. Take Buckminster Fuller’s geodesic dome: It requires less energy to heat and cool, it’s cheap, and it’s durable enough to withstand a hurricane – but it’s also godawful ugly and that was its undoing. Learn more with Josh and Chuck in this classic episode.

See omnystudio.com/listener for privacy information.

Like is a very divisive word. Purists think it's like, a filler word born in the 80s that's like, destroying the English language. Turns out none of these are like, true. 

See omnystudio.com/listener for privacy information.

There’s a great origin story behind snake oil salesmen, and it has to do with just one guy who singlehandedly gave it a bad name.

See omnystudio.com/listener for privacy information.

There was a brief period in America’s history – after people left the farm to work in the city and before the government started regulating it – when there was a total, lawless free-for-all in the food industry. Things were bad. Really, really bad.

See omnystudio.com/listener for privacy information.

The Unabomber was one of the most notorious and longest lasting cases in the history of the FBI. Just because the manifesto reads like he was a fortune teller doesn't make his actions any less deplorable. Learn all about this fascinating case in this classic episode.

See omnystudio.com/listener for privacy information.

Do teachers and managers give special treatment to those who they're told have great academic or professional promise? Does this create a self-fulfilling prophecy, regardless of the truth? That's just part of the fascinating Pygmalion Effect.

See omnystudio.com/listener for privacy information.

Why are all school buses the same color? Because one man made it so. This is that story. 

See omnystudio.com/listener for privacy information.

Whether you know it as Clue or Cluedo, the whodunnit mystery board game is one of the best of all time. Learn all about the history behind the game’s development, and strategies on how to crush your fellow players as soundly as Chuck’s wife crushes him.

See omnystudio.com/listener for privacy information.

Disgust is an odd thing. It makes sense that we would feel a sense of revulsion at the thought of putting rotten meat in our mouths – that’s pure evolution. But why would we feel the same emotion at the thought of weird sex or from hearing a racist rant? Find out more in this classic episode.

See omnystudio.com/listener for privacy information.

How did the sleepy Nevada town of Las Vegas become LAS VEGAS? Well, we'll let you know over the course of about 45 minutes. 

See omnystudio.com/listener for privacy information.

Wainscoting is a beloved and time-tested decorative way to spruce up your walls. But what is it anyway? Listen in to find out.

See omnystudio.com/listener for privacy information.

Tune in today to listen to the story of when North Hollywood became a war zone after a brazen bank robbery. 

See omnystudio.com/listener for privacy information.

We live in a time where computers can beat the best humans in the world at chess, checkers, poker and video games. But these games are really just demonstrations of how intelligent our machines are growing. They’re growing more intelligent by the hour. This classic episode features a special guest, Tech Stuff's Jonathan Strickland.

See omnystudio.com/listener for privacy information.

One thing you could do is create your own language. Some people do and for lots of different reasons. LL Zamenhof created Esperanto to try to bring about world peace. It worked, but on a less-than-global scale.   

See omnystudio.com/listener for privacy information.

Jumping into a cold pool after a long sauna or hot tub can be pretty great. Saunas have proven health benefits like lowering blood pressure; cold plunges are shown to reduce inflammation. Why not combine them? A bunch of safety reasons, bucko, that’s why.

See omnystudio.com/listener for privacy information.

The murder of Ken McElroy comes off like a story from a cheap paperback book you’d get to read on a plane. But this is a true crime story, set in Missouri in the early 80s. And boy does it pack a punch.

See omnystudio.com/listener for privacy information.

Yogurt has been touted as a health food, but is it? Maybe. If you eat it every day. We get into the rich and creamy history of this supposed miracle food in today's episode. Get an earful of the stuff in this classic episode.

See omnystudio.com/listener for privacy information.

We all know what happened at Jonestown, but who was Jim Jones before the tragedy at the People's Temple?

See omnystudio.com/listener for privacy information.

Back in 1994, Nederland, Colorado found out it had a resident it hadn’t accounted for.

See omnystudio.com/listener for privacy information.

Dry cleaning is one of those things that we’re all familiar with but don’t actually know much about. That will hold true no more! Learn about all the ins and outs of the dry cleaning biz, some of its toxic secrets, and some spot removal tips too!

See 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, in this classic episode Josh and Chuck examine some of the bigger turncoats to live -- and exonerate others.

See omnystudio.com/listener for privacy information.

You’ve probably seen cranes moving elegantly in the sky, but did you know what an important role they play in their surroundings? Learn all about cranes in this episode on cranes.

See omnystudio.com/listener for privacy information.

What kind of black magic goes into deciding who makes the NYT Bestseller List? Well you probably don't know the whole story unless you work there.

See omnystudio.com/listener for privacy information.

Tune in today to listen to the amazing story of Colorado River guide Kenton Grua's wild 277 mile record-breaking speed run down the center of the Grand Canyon. 

See omnystudio.com/listener for privacy information.

The Seuss is loose in this episode about legendary children's book author Ted Geisel. The funny thing is, he didn't ever want children of his own, and his past work was a bit problematic. Explore his entire legacy in this classic episode.

See omnystudio.com/listener for privacy information.

When George W Bush and Al Gore ran against one another, most pundits predicted a tight race. Absolutely zero of them predicted the election would come down to a few hundred votes. Today, we still don’t know who won.

See omnystudio.com/listener for privacy information.

The story of why blueprints were blue is more involved than you think. It involves a chemical process and the Prussian Army. Yeah you heard me right.

See omnystudio.com/listener for privacy information.

Hello, friends! Join us today for our annual live show release, recorded in beautiful Nashville. On the docket? The Biosphere II Experiment!

See omnystudio.com/listener for privacy information.

The nuclear waste we produce will be dangerous for a very long time. We’ve figured out how to safely store it in the earth until it’s no longer a biohazard. Now we just have to figure out how to warn humans 10,000 years in the future to stay away from it. Find out about our best ideas in this classic episode.

See omnystudio.com/listener for privacy information.

It’s all fun and games to think about how backwards and misguided some things people did in the past were until you realize we’ll be “the past” one day. What do we do now that will seem primitive then and how will they be better in the future?

See omnystudio.com/listener for privacy information.

Can you imagine a color so alluring that even though you know it’s toxic you’d still use it to your heart’s content? The Victorians certainly could.

See omnystudio.com/listener for privacy information.

They seem gross and bothersome at first, but once you get down to ground level and get to know snails, we’ll bet you’ll grow quite fond of them. They are living in a whole world we’re largely unaware of. 

See omnystudio.com/listener for privacy information.

They are dirty, harmful to your health, bad for the environment and utterly charming. Wood-burning fireplaces have been with us for centuries and, despite their many drawbacks, are sticking around. Learn more than you thought possible about the fireplace, in this classic episode.

See omnystudio.com/listener for privacy information.

Happy Holidays, friends! Tune in today to listen to our annual ad-free holiday extravaganza. There will be talk of merriment and joy!

See omnystudio.com/listener for privacy information.

Just three years after the lightbulb was invented a compadre of Thomas Edison thought to use them to decorate his Christmas tree. It set off a sensation that’s gotten more popular each year since.

See omnystudio.com/listener for privacy information.

The world has seen a lot of weird investment bubbles in its time, but few of them rival the fever that gripped the world in the 90s after Beanie Babies took off. Let’s visit this strange chapter in toy history together.

See omnystudio.com/listener for privacy information.

Long ago, in a galaxy not so far away, George Lucas allowed the Star Wars Holiday Special to be made. What happened on the night of November 17, 1978 can never be fully explained, but we make our best effort in our annual special edition of SYSK. May the force be with us all.

See omnystudio.com/listener for privacy information.

There are many types of dictators, from so called "benevolent" ones to the kind who rule with an iron fist. There are also many ways they can come into power, and they don't all include violence. Learn all about dictators past and present in this classic episode.

See omnystudio.com/listener for privacy information.

The Skeleton Army was a rowdy group of folks in England who battled, sometimes violently, with the Salvation Army - largely against  their efforts to keep people from drinking and having a rowdy good time. Listen in today!

See omnystudio.com/listener for privacy information.

Josh loves pickles but hates cucumbers. Chuck loves cucumbers but hates pickles. WHO WILL WIN?

See omnystudio.com/listener for privacy information.

The Matewan Massacre was a pivotal moment for the US mining industry and the labor movement as a whole. Learn about what happened in this sleepy West Virginia town today.

See omnystudio.com/listener for privacy information.

Freedom Schools were set up in Mississippi in the heart of the Civil Rights Movement, with the aim of giving young black school children agency and a future. They remain one of the more inspiring and progressive programs in American History, yet so few know about them. We're hoping to change that. Learn all about them in this classic episode.

See omnystudio.com/listener for privacy information.

On December 8th, 1980, John Lennon was shot and killed outside his apartment building in New York City, by Mark David Chapman. Music history was altered forever. Listen in to this tragic story.

See omnystudio.com/listener for privacy information.

Boba tea is bubble tea. But what are the bubbles? Tapioca pearls! Listen in today to learn about the disputed history of this trendy beverage.

See omnystudio.com/listener for privacy information.

J.D. Salinger was a complicated and problematic human who stopped publishing soon after creating one of the great works of literature. Listen in today to learn the good, bad and ugly sides of the man who got famous, then dropped out.

See omnystudio.com/listener for privacy information.

Beavers are in fact, very busy. They're builders and solid family members, husbands and wives. Learn all about N America's largest rodent in this classic episode.

See omnystudio.com/listener for privacy information.

The story of the Oxford English Dictionary is really something. From its origin to its crowd-sourced literary quotations. Dive in today to learn all about the best dictionary. 

See omnystudio.com/listener for privacy information.

When you switch lanes on the highway after noticing that the lane you’re in is ending up ahead, you are literally ruining the world.

See omnystudio.com/listener for privacy information.

It’s time to get jazzed about Earth science again. It’s only been 60 or so years since we’ve known the continents move around and we’re still figuring out exactly how they do. But one thing is for sure, that super-slow movement is super important.

See omnystudio.com/listener for privacy information.

Getting the rain and melted snow from upstate NY into the taps of every NYC resident and business is one of the great feats of engineering. Does it taste great and make perfect bagels and pizza crust? Sources say yes! Learn all about it in this classic episode.

See omnystudio.com/listener for privacy information.

It’s astounding that with the exceptional navigational equipment aboard a cruise ship can run aground in the 21st century, and 32 passengers and crew can lose their lives within a thousand feet of land. Such is the power of incompetence and cowardice.

See omnystudio.com/listener for privacy information.

Everyone once in a while, say a few hundred thousand years or so, the north and south poles of Earth’s magnetic field switch places. The result: Dogs and cats living together.

See omnystudio.com/listener for privacy information.

If you’ve ever wanted to listen to two totally untrained, non-chemists who are fully unqualified to explain how the periodic table works nervously explain how the periodic table works, then this episode is for you. Chemistry majors, be warned.

See omnystudio.com/listener for privacy information.

If you play video games you probably have an easy answer to worst game of all time: ET. But it turns out there are no easy answers, especially when you’re talking about a game so terrible it’s blamed for bringing the entire video game industry with it. Find out more in this classic episode.

See omnystudio.com/listener for privacy information.

Diners may just be the most American establishment there is. They were born in the USA, thanks to European immigrants, and they only exist in the USA, unless it's a kitschy homage. So break open that 12-page menu and order up.

See omnystudio.com/listener for privacy information.

The story of the Liberty Bell is far more confusing than we imagined.

See omnystudio.com/listener for privacy information.

Natalie Wood was Hollywood royalty who tragically drowned after a long night of partying with her husband, Robert Wagner, and actor Christopher Walken. Over the last 40 plus years, stories have changed and the investigation has moved from closed to open. Listen in to learn this tragic story. 

See omnystudio.com/listener for privacy information.

Josh and Chuck dive into history in this classic episode to tell the story of the Buffalo Soldiers.

See omnystudio.com/listener for privacy information.

It’s a good, old fashioned how it works episode where we break down all of the nuts and bolts and threats to safety that make scuba diving such a unique and thrilling hobby. Dive in feet first with Josh and Chuck on the undersea adventure of a lifetime!

See omnystudio.com/listener for privacy information.

Petrified wood isn't just hard wood. Listen in today to learn all about this unique process. 

See omnystudio.com/listener for privacy information.

It’s easy to think of people in the distant past as kinda dumb for believing things like that mice could spontaneously generate from old grain. But if you look a little deeper, you’ll find there was a sensibility to the odd beliefs that came before science.

See omnystudio.com/listener for privacy information.

Are laws that are meant to protect the sanctity of the polling place in reality designed to make it harder for groups that traditionally vote Democrat to cast their ballots? Find out in this classic episode.

See omnystudio.com/listener for privacy information.

The Harlem Globetrotters are an American entertainment institution. Their story may not be quite what you think either. Hint, they didn't originate in Harlem. Tune in now to learn their fun, fascinating story. 

See omnystudio.com/listener for privacy information.

If you grew up from the 70s to the 90s you know white dog poop. It’s the old, crusty – yes, white – phase that dog poop goes through as it ages on a lawn. Or it used to. Where has all the white poop gone?

See omnystudio.com/listener for privacy information.

As per tradition, today Josh and Chuck perform a spooky Halloween story reading to delight, amuse and FRIGHTEN YOU TO YOUR CORE. Will Meagle show up? Tune in to find out! Thanks to guest producer Ben Hackett for all the great sound effects.

See omnystudio.com/listener for privacy information.

A mummy is a human being whose soft tissue has been preserved after death, and there are mummies around the world -- including natural mummies, as well as corpses that have been intentionally embalmed. Listen to this classic episode with Chuck and Josh to learn more.

See omnystudio.com/listener for privacy information.

Naked mole rats are funny looking to be sure, but neither moles nor rats. So what are they? You'll have to tune in to find out.

See omnystudio.com/listener for privacy information.