THE PODCAST
Most Recent Episodes
Elenarts/Thinkstock 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?

plowshare_600x350 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.

DanielLoretto/Thinkstock 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?

kinselection600x350 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.

lead600x350 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?

Courtesy NASA 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.

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.

strikes_600x350 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.

cats-600x350 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.

nostalgia_600x350 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.

1 of 85
Videos
videos-280x150 Stuff You Should Know Videos

Watch the latest SYSK shorts on the official video page.

Blog
blog-280x150 Stuff You Should Read

Josh and Chuck blog about everything under the sun.

Store
store-280x150 Stuff You Should Know Merchandise

Buy Stuff You Should Know T-shirts and accessories.

MORE FROM THE STUFF NETWORK