Stuff You Should Know

You may have played with a yo-yo before -- perhaps you've even walked the dog -- but do you know about the physics behind what makes a yo-yo sleep and wake up? Learn all about inertia, angular momentum and the history of the yo-yo in this episode of SYSK. See omnystudio.com/listener for privacy information.

Do you love Play-Doh? Chuck and Josh certainly love to talk about it, from its interesting history as a wall cleaner, to its more scientific chemical properties. It's everything you ever wanted to know about the pliable children's toy. See omnystudio.com/listener for privacy information.

Easy Bake Ovens are as iconic as a toy can get, as American as apple pie or baseball. Learn all about these light bulb cooking, working ovens that endanger children to this day, in this classic episode. See omnystudio.com/listener for privacy information.

The BBC has been around as long as there has been radio. Today we salute the venerable institution that's as British as tea and crumpets.  See omnystudio.com/listener for privacy information.

In 2003, a tiny – really, really tiny – humanoid skeleton surfaced that had been taken from Chile. The only possible explanation is that it had to be an alien mummy. Right? See omnystudio.com/listener for privacy information.

If we told you that World War III was in danger of happening over the trimming of a tree would you believe us? This was Operation Paul Bunyan. See omnystudio.com/listener for privacy information.

In the 1960s, a very cool machine debuted at the Seattle World's Fair - the Mold-A-Rama. It made real plastic toys on-demand from melted plastic pellets, to the delight of children and adults alike. They didn't last too long, but can still be found at various locations all over the United States and their retro-cool stylings are still a hit. Learn all about these cool machines in this classic epis...

You've always heard about "the bar" but what do you really know about it? Unless you've taken it, probably not much. Well join the club. Let's discuss. See omnystudio.com/listener for privacy information.

Camberley Kate was the nickname for the first independent animal rescuer in England, rescuing hundreds of dogs and cats over her lifetime. Come get acquainted with a great lady!  See omnystudio.com/listener for privacy information.

The idea of prison labor is relatively new in the annals of crime and punishment. And it's just as bad as you think. See omnystudio.com/listener for privacy information.

On the day after Thanksgiving, Americans go kind of crazy for the deep discount sales that kick off the holiday shopping season in stores. So crazy, in fact, at least four people have lost their lives and as many as 63 others have been injured during Black Friday sales. But as profitable as Black Friday is, some retailers are thinking about discontinuing the tradition to find ways to make even mor...

Julia Child is one of the most recognizable names in the cooking world, but even still so many of her accomplishments aren’t widely known. And the impacts she had on American culture, whoa! Join Josh and Chuck as they savor the flavor of Julia Child! See omnystudio.com/listener for privacy information.

We’ve done episodes on cake, cookies and, at long last, pie. Belly up to your pod player and prepare to crave some pie! See omnystudio.com/listener for privacy information.

Rice may be the most eaten food on the planet, accounting for 50% of the caloric intake of Asian countries and 25% worldwide. Learn all about this edible cereal crop today. See omnystudio.com/listener for privacy information.

Tune in to this classic episode to learn all about the legendary NYC Rockettes, who actually got their start in Missouri. See omnystudio.com/listener for privacy information.

Graffiti – the good kind, done with lots of style and skill – developed when some kids in NYC took up cans of spray paint and started to figure out how to outdo one another. They laid down styles that are so fine they’re still being used by artists today. See omnystudio.com/listener for privacy information.

What do you do when you want to tell someone you’re smitten with them but you live in a society so repressive decorum prevents you from even speaking such things? Why, you can say it with flowers! And that’s just what people in the Victorian Era did. See omnystudio.com/listener for privacy information.

The era of AM radio isn't over, but it's well past its heyday. Dive in today for a trip down memory lane.  See omnystudio.com/listener for privacy information.

For millennia, we have tried to put human personalities into neat types, an effort psychology took up early in its history in an effort to legitimize itself. But is the idea of types – which all personality inventories are based on - flawed to begin with? Find out in this classic episode. See omnystudio.com/listener for privacy information.

Pop Tarts are a legendary breakfast treat in the United States. They're fruit-filled toaster pastries with very little fruit. But who cares right? It's all about that toasty goodness.  See omnystudio.com/listener for privacy information.

People who’ve found themselves in life-or-death situations with their endurance at its limit have reported sensing another presence with them, urging them to continue on and survive. No one knows what the heck is going on here but it sure is interesting. See omnystudio.com/listener for privacy information.

In 1905, an engineering mistake created a brand new 400-square-mile sea (lake?) in the California desert. People made the most of it at first, but it didn’t take long to become a toxic brew that now threatens the health of anyone in breathing distance. See omnystudio.com/listener for privacy information.

Conversion therapy is a misguided attempt by religious zealots to convert people from gay to straight. News flash - it doesn't work. Learn all about this abhorrent practice in this classic episode. See omnystudio.com/listener for privacy information.

In 1996, a small group of German tourists disappeared in Death Valley National Park without a trace. Fifteen years later, the tenacity of one man solved the case. See omnystudio.com/listener for privacy information.

Did Native Americans really smoke peace pipes? Well yes and no. They smoked pipes for many reasons, sometimes to commemorate peace. But they never called them peace pipes. See omnystudio.com/listener for privacy information.