Stuff You Should Know

You don’t have to be a hardcore vegan to eat a plant-based diet (although you can be). There’s a whole variety of degrees people adopt phasing out meat from their plates. One kind is even called flexitarian for goodness sake. Seems pretty welcoming to us.

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We all scream for ice cream, sure, but did you know we're all technically screaming about a colloidal foam? As you hit play on this classic episode, prepare for deep cravings that will surely emerge as you learn the history of ice cream, how to make it yourself and lots more.

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One of the longest-running television shows in history is also one of the best. Sesame Street was conceived as a radical idea – to give disadvantaged preschoolers a leg up in getting ready for school. It ended up becoming a beloved institution worldwide.

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Australia is home to all sorts of things that can kill you, but perhaps the deadliest is the drop bear, a vicious cousin of the koala.

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Around 2013 heroin users in the US and other countries suddenly started dying from overdose in previously-unseen numbers. The culprit turned out to be the incredibly potent drug fentanyl and it soon created a massive new wave in the opioid epidemic.

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Muzak got a bad reputation as bland garbage music. In this classic episode, we aim to set the record straight.

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MI6 is The UK's version of the CIA. Except they came first and provided the model. But there's still a lot we don't know about this notoriously tight-lipped organization. 

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Rocks that grow baby rocks – wut?!

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Today on SYSK, the fellas get down to business with plenty of mouth-watering information on what Chuck dubs "the best food."

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We've already recorded an episode on The Muppets, but Jim Henson was such a neat guy we delved into him even further. Learn all about the man behind the Muppets who was so much more than just a master puppeteer in this classic episode.

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Broadway is a street in NYC, but more than that it's a term for the NY theater district. They say the neon lights are bright there. Who knows?

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Today we highlight and celebrate a couple of alternative libraries.

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Ever since Shakespeare wrote his tragedy on Richard III the world has thought of him as an evil king with a shriveled soul. But is that actually unjust?

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Join Josh and Chuck in this classic episode as they go down the sport shoe rabbit hole, detailing the strange tail of the brothers who brought Puma and Adidas to the world. Sibling rivalry, Nazis, shoes - there's a lot to unpack here.

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Disaster films are surprisingly tough to define. What makes them different from an action movie or a monster movie? Who cares? They’re great! Escape with us as we cover the the ins and outs and the history of disaster films and recommend some good ones.

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The Doomsday Clock is closer too midnight than it's ever been, which is not awesome. But what does this metaphorical clock even indicate?

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British MI6 agent Kim Philby was a spy for the Soviet Union and one of the great liars in human history, right up until his retirement in Moscow where he lived out his days as a national hero.

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Cake has been around for a long time, but mostly less than great forms. It took the Industrial Revolution, the advent of plentiful sugar, and some good old American know-how to come together to make the cake we know and love today. Find out all about it in this classic episode.

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In the late 90s, a large chunk of the field of social psychology started dedicating itself to figuring out ways to subtly persuade and influence people’s everyday decisions without their awareness. If you’re into freedom of choice, this was a close call.

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We’ve all heard of white noise, that static sound the TV makes when poltergeists arrive. There are other colored noise too that mimic natural sounds like rainfall and ocean waves. What they do for us is just now being studied.

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Editorial, or political cartoons, have a rich history in the United States and abroad. And though the Golden Age may have passed, the use of images to create satire and sway public opinion is still alive and well. 

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Agatha Christie was a great writer of murder mystery novels and is probably the best selling author of all time. Listen in this classic episode to learn her story.

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The Pinkertons became the most famous detective company in the U.S. But were they noble or notorious? We get to the bottom of it all in today's episode.

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The world experienced its first economic bubble when the Dutch went bonkers for tulips in the 1630s.  

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We move for all sorts of reasons – new job, new grandkid – but moving because it’s just too darn hot? That’s a new one. But it’s going to pick up in the next few decades as more people around the world are forced to migrate because of climate change.

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The word doula in Ancient Greek might mean "female servant" but it's really not a great description of the 21st century job. Doulas are birth coaches who help women get through the process of childbirth as efficiently and painlessly as possible. They aren't midwives or nurses, but they can provide an invaluable service as advocates. Learn about the deal with doulas right now in this classic episode!

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A manhunt is launched for MLK’s killer, James Earl Ray. After his capture he pleads guilty. With no trial the world won’t hear the facts of the case laid out in court, giving rise to decades of conspiracy theories that even the King family came to believe.

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Poutine is just one of those comforting dishes that's a must have when visiting the great nation of Canada. Is it good for you? Nope. But who cares right?

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When he was murdered by an assassin’s bullet, MLK was going through a hard time in his life and many close to him say that he knew the end was near. But even he couldn’t have predicted the impact his death would have – good and ill – on the United States.

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When you get a bunch of artistic types together into a community – aka, the art world – some intrigue and mystery are bound to arise. Listen in to this classic episode as Chuck and Josh cover strangeness around Van Gogh, Caravaggio, Raphael, and Vermeer – plus don’t miss Hilter!

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Indigenous women in Canada have always been vulnerable, but there’s a stretch of remote road that’s such a hotspot for disappearances, assaults, and murders of women that it’s been called the Highway of Tears. And not much has been done to change that.

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Everyone knows brown eggs are more natural than white eggs right? Except that's not true. In reality there is zero difference because it's just a genetic variation. Listen in to learn more!

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The Chelsea Hotel is one of New York City's landmarks for good reason. It's served as housing for bohemian creatives and addicts, and been through several iterations over its history, from divey residential to high-end hotel. Learn all about this legendary place today.  

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Every year the flu virus makes the rounds, laying up young and old alike for days before moving on to another hapless victim. But flu viruses can mutate and once in awhile they turn into something much deadlier, a pandemic that can kill millions. Learn all about it with Josh and Chuck in this classic episode.

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The good news is that we know antidepressants can treat major depression, helping millions of people live healthier lives. The bad news is that we don’t really know how they do that. Check out the theories on how antidepressants work in this episode.  

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Pete Rose said she was “bigger than any one player” in baseball during the 70s and 80s. Morganna the Kissing Bandit became a legend in sports for running onto baseball fields and kissing players during games.   

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Scrabble is a game that neither of us plays with regularity. And maybe that's good for this episode. We're all learning, right?

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It is literally all around you (and even inside you) - electricity makes up the basis of modern life. But what exactly is electricity and how does it work? In this classic episode, Josh and Chuck chase away the darkness and explain electricity in their usual electrifying way.

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The market for Chinese art used to be very small and is now a billion dollar annual industry. What changed? And how is this all tied to a string of heists? Listen in to find out. 

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A request by our producer Dave C, we explore how totally on your own you were in Medieval England when the court declared you an outlaw.  

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The telephone switchboard was a real wonder of technology and laid the groundwork for the next generation of connectivity. Learn how these things worked today.

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Crickets are part of a larger insect-based diet enjoyed in most parts of the world. Loaded with vitamins, minerals and protein, and green to boot, crickets could help solve some of the world's food problems if Europe and America get on board. Learn all about cricket farming in this classic episode.

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In a tribute to the late founder of HowStuffWorks Marshall Brain, we chose one of his great articles. Learn all about how your phone knows how to get you around without bumping into stuff or running people over in this episode. Thank you, Marshall.

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Fanta has its roots in Germany during WWII, so the Nazi association is something that's tough to deny. Dive in and hear all about how this beloved soda got its start as a non-orange, bad-tasting fizzy drink.

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One of the more famous unsolved true crime cases concerns a woman found stuffed into a tree in a woods outside Worcestershire during WWII. Despite an extensive effort by police at the time of her discovery, she still has never been identified.

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A decade before the U.S. officially segregated in 1896, baseball banned black players. A decade before the US integrated, baseball broke the color barrier. Between, the Negro Leagues produced some of the finest players to ever take the field. Explore this important piece of American history with Josh and Chuck in this classic episode.

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Does everyone have an inner monologue? What purpose do they serve? What if you don't have one? Listen in to find out these answers and MORE.

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The 24/7 short order restaurant Waffle House is known for staying open during natural disasters, so much so that federal agencies gauge where to start helping in areas where they’re closed.

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Harry Belafonte is most famous for introducing America to calypso music, with hits like Day-O and Jump In the Line. But he was also one of the most earnest and hard-working fighters of injustice America has ever produced and he deserves to be celebrated.

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The collar bomb heist is the crime caper that keeps on giving. Every time the story seemed like it was figured out, another layer appeared. Tune in to this classic episode to hear Josh and Chuck detail this very odd and twisty story. 

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