
Stuff You Should Know
2,797 episodes — Page 14 of 56

How Afrofuturism Works
Black sci-fi writers were shut out of their genre in the 20th century so they created their own vision of the future. That sentiment spread to music and film and today it’s so engrained in pop culture it doesn't need its own label. See omnystudio.com/listener for privacy information.

Short Stuff: Chia Pet
It has arrived, the most important podcast episode in the history of the world. See omnystudio.com/listener for privacy information.

Large Language Models and You
There is a good chance that in March of 2023, humans crossed a threshold into a transformative new era when a new, smarter type of AI was let loose in the wild and an AI arms race began. See omnystudio.com/listener for privacy information.

Selects: SYSK Live: Back When Ford Pintos Were Flaming Deathtraps
For this special live benefit episode recorded in Atlanta, Josh and Chuck go back to the 70s and look at the decidedly ungroovy course of events that led to Ford recalling its Pinto after people started burning up in them.See omnystudio.com/listener for privacy information.

How Alumin(i)um Works
Humans made it through the Bronze Age and Iron Age, then we dabbled in steel, and now we are living in the Aluminum Age. The metal is so ubiquitous it seems like it’s been around forever, but we’ve only been really using it since the 20th century.See omnystudio.com/listener for privacy information.

Short Stuff: Suicide Forest
The suicide forest in Japan is a beautiful place with a checkered reputation. Trigger Warning: This episode features a discussion of suicide. If you or anyone you know needs help, please call 988.See omnystudio.com/listener for privacy information.

The Stinky History of Human Hygiene
Ever wondered when and why people started caring about body odors and cleanliness? Well look no further than today's episode. See omnystudio.com/listener for privacy information.

Selects: How Audience Testing Works
Did you know some of our most beloved movies originally had different, sometimes better, endings? That is until they were tested in front of focus groups. Learn all about the how, what, and why of audience testing in this classic episode.See omnystudio.com/listener for privacy information.

Is Reality Real?
Philosophers have been wondering whether we experience reality as it is for millennia now. They’ve pretty much settled on no, no we don’t. Now science has taken up the investigation and it’s proving the philosophers correct. So what is reality then?See omnystudio.com/listener for privacy information.

Short Stuff: DNA Data Storage
One of the more futuristic things around right now on Earth is research into encoding data into strings of genetic code.See omnystudio.com/listener for privacy information.

Why Manners?
Keeping your elbows off the table, keeping your fingers out of the gravy boat – at some point these became very important rules of etiquette. But what purpose do manners serve? It turns out they just may be the glue that prevents society from unraveling.See omnystudio.com/listener for privacy information.

Selects: Pterosaurs: Not Flying Dinosaurs
Almost everything you know about pterosaurs is wrong. They weren't birds, they weren't flying dinosaurs and they weren't all pterodactyls. Which makes this classic episode a great one for you to learn some new and amazing stuff about terrifying prehistoric beasts! See omnystudio.com/listener for privacy information.

What's the deal with intermittent fasting?
Could eating at only certain times of the day lead to weight loss? Possibly! See omnystudio.com/listener for privacy information.

Short Stuff: Rube Goldberg
Everyone knows what a Rube Goldberg machine is, but what do you know about the cartoonist who they're named after?See omnystudio.com/listener for privacy information.

The Saga of Milli Vanilli
For a moment Milli Vanilli was the hottest musical act in the world. Then came the news that it was just that, an act, and the fall came swiftly and humiliatingly. Now, 30 years on, a look back yields not so much a cautionary tale as a very sad story.See omnystudio.com/listener for privacy information.

Selects: How Color Works
Science doesn't have a good explanation for why we sense color, yet it is everywhere and affecting us all the time. But why should minutely different wavelengths of light have such an impact on our moods and motivations? Explore these questions and more with Josh and Chuck in this classic episode.See omnystudio.com/listener for privacy information.

The Semi-Recent History of Exercise
Humans exercising for better health has not been around that long. Today we dive into this fun history as we cover why and when we started this now commonplace pastime. See omnystudio.com/listener for privacy information.

Short Stuff: Pollen Count
If you watch the news and hear the pollen count is high for some particular type of plant then it’s high time you learned how they do that.See omnystudio.com/listener for privacy information.

What is the Bechdel Test?
The Bechdel Test is a is a measure of the representation of women in film. You'd be surprised how many movies fail. See omnystudio.com/listener for privacy information.

Selects: How Dog Shows Work
You know those shows where people wearing sensible shoes jog dogs around in circles? They actually represent the pinnacle of a long and complex path to glory for dogs and their owners. Join Chuck and Josh as they peek inside the American dog show in this classic episode.See omnystudio.com/listener for privacy information.

How Juries Work
It’s totally bonkers that in the US and other countries, the job of determining the guilt or innocence of an accused criminal – whose life may be at stake – is left not to experts in law but to a group of random citizens. Even crazier, it generally works!See omnystudio.com/listener for privacy information.

Short Stuff: Mood Rings
Mood Rings were all the rage in the 1970s. Then they went away, and fast. What's your color today?See omnystudio.com/listener for privacy information.

The Inflammation Theory of Disease
Not too long ago we thought that germs were the cause of most diseases, leading to germ theory. But when we look at maladies from heart disease to Alzheimer’s one commonality stands out: inflammation. Could it be we’ve found the root cause of all diseases?See omnystudio.com/listener for privacy information.

Selects: How Slinky Works
It has been called a "glorified spring", but Slinky is one of the best selling toys of all time. From accidental origins to an unlikely resurrection, Slinky has a pretty great back story. Learn all about it in this classic episode.See omnystudio.com/listener for privacy information.

How TV Weathercasters Work
TV weather people can seem corny and maybe a little nerdy, but beneath that toothsome exterior lies the heart of a lonely warrior of science, one who is often overlooked as the hardest working member of the news team. Learn all about these unsung heroes. See omnystudio.com/listener for privacy information.

Short Stuff: Frances Kelsey: Hero of the FDA
Who is Frances Kelsey? Well, she's a semi-unsung hero of the FDA whose work helped save a lot of kids from congenital disorders and even death. Listen and learn!See omnystudio.com/listener for privacy information.

The Colosseum
It's funny how similar The Colosseum in Rome is to modern day arenas. They really had it figured out. Tune in today to learn all about this early entertainment venue. See omnystudio.com/listener for privacy information.

Selects: Does the body replace itself?
Does the human body really replace itself every few years? The answer is yes, but different parts of the body do so at different rates. Learn all about which parts of your body are the speediest, and which take the longest to regenerate, in this classic episode.See omnystudio.com/listener for privacy information.

Introducing Smell-O-Vision!
Smell-O-Vision was a post-war movie theater gimmick that delivered well-timed scents to the noses of audiences to align with the movie. Did it work? Sort of. Did it ultimately fail? Yes. Does that mean it has gone away forever? No.See omnystudio.com/listener for privacy information.

Short Stuff: Dunbar's Number
There’s a theory that all of us have a maximum number of friendships that we can maintain – 150, to be exact. Suspiciously exact, really, if you think about it.See omnystudio.com/listener for privacy information.

Nerf!
Another classic toys edition is at your collective feet. Today, we dive into the soft, padded world of NERF!See omnystudio.com/listener for privacy information.

Selects: How Manhunts Work
When a suspect or prisoner goes on the lam there are plenty of ways to hide: in plain sight, in the mountains, in another country. There are as many types of ways law enforcement uses to track wanted people as their are ways to go on the lam, but there are some founding principles to carrying out a successful manhunt and they actually include you. Learn about how the fuzz tracks down fugitives and how it's evolving in the age of social media in this classic episode.See omnystudio.com/listener for privacy information.

Carbon Monoxide: Please Just Listen Anyway
It might not be the sexiest topic we’ve ever covered (and by “might”, we mean “definitely”), but there are some things you just need to learn about and this deadly and undetectable gas that’s part of our everyday lives is one of them. So buck up.See omnystudio.com/listener for privacy information.

Short Stuff: Botox Brain
Botox can chase away the lines on your face, apparently it can chase away your depression, borderline personality disorder, and anxiety too.See omnystudio.com/listener for privacy information.

Why does everyone love Dolly Parton?
Today we dive in to celebrate the international treasure that is Dolly Parton. Why is she nearly universally loved? Listen in to find out. See omnystudio.com/listener for privacy information.

Selects: Was There A Real Robin Hood?
Is it true that Robin Hood hung out in Sherwood Forest and stole from the rich to give to the poor? No. No, it’s not. Find out the real story in this classic episode.See omnystudio.com/listener for privacy information.

METI: Existential Threat? Probably Yes
We've wanted to contact extraterrestrials for as long as we've suspected they're out there. But as we get better and locating potentially inhabited planets, beaming messages their way is suddenly posing a threat. See omnystudio.com/listener for privacy information.

Short Stuff: Routines
Routines are a key part of a successful life. Ask anybody about theirs and they'll be happy to share!See omnystudio.com/listener for privacy information.

Should Rich Countries Cancel Poor Countries’ Debt?
It sounds controversial, but there are persuasive arguments for the wealthy Global North to write off the debts lower-income nations have accrued. Some say the US and Europe actually owe it to them. This is one of those boring ones you shouldn’t skip.See omnystudio.com/listener for privacy information.

Selects: How Coffins Work
Sure, you've probably laid in one at the store or a funeral home, but how much do you know about receptacles used to bury the dead? We'll bet you'll learn plenty - like the difference between a coffin and a casket - in this classic episode.See omnystudio.com/listener for privacy information.

John Brinkley: The Quackiest Quack in History?
John Brinkley was perhaps the biggest quack who ever claimed to be practicing medicine. Learn all about this not so good guy today!See omnystudio.com/listener for privacy information.

Short Stuff: Red Snow
Thanks to green algae, there's such a thing as red snow. And we've recently found it can accelerate global warming. Look out!See omnystudio.com/listener for privacy information.

How Skydiving Works
At 13,000 feet the ground is nothing but far-away squares of land, and you can even see some clouds below you. All of a sudden you find yourself plummeting downward. There are very few thrills like jumping out of a plane with a parachute.See omnystudio.com/listener for privacy information.

Selects: Some Nutso Fan Theories
It turns out that the characters in your favorite TV shows and the like are actually dead, dreaming, dying or don't exist. Explore some strange fan theories with Josh and Chuck in this classic episode.See omnystudio.com/listener for privacy information.

Playing Cards? You Got That Right!
If you've ever wanted to learn more about playing cards, now is your big chance. See omnystudio.com/listener for privacy information.

Short Stuff: Beethoven’s DNA
It's been all over the news, Beethoven's DNA has revealed some interesting things about his health.See omnystudio.com/listener for privacy information.

What Caused the Late Bronze Age Collapse?
Humans’ first attempt at civilization went pretty well for the first thousand years. Important stuff like the wheel, writing, math, art, and diplomacy came out of it. But then, in the blink of an historical eye, it all mysteriously failed. What happened?See omnystudio.com/listener for privacy information.

Selects: How Jet Lag Works
It was only since 1958 that the Jet Age began, and jet lag became a real condition. Also known as desynchronosis, jet lag can lead to all manner of ailments, from sleeplessness to irritability to diabetes and cancer. In this classic episode, learn about how the body's natural clock runs normally and what happens when it gets out of whack when we cross time zones quickly.See omnystudio.com/listener for privacy information.

What's the deal with dowsing?
Dowsing, aka water-witching has been around a long time. And you might be surprised that's still a thing. We get into all the nitty gritty of this pseudo-science today. See omnystudio.com/listener for privacy information.

Short Stuff: Theme Park Cremations
There’s a little-discussed trend you might run into at your favorite theme park – people scattering the ashes of a loved one on rides. Here's hoping you don't literally run into it.See omnystudio.com/listener for privacy information.