Stuff You Should Know

It’s a pretty safe assumption that people have been born with birthmarks since humanity began, and between then and now we’ve come up with some wacky, even dangerous, explanations for them – even a few that survive still today. Learn all about them in this classic episode.See omnystudio.com/listener for privacy information.

It's a confusing part of climate change when it seems winter is as cold as ever, but as global temperatures creep ever so slightly higher, a cascade of catastrophic events will almost surely follow. The ball is in humanity's court.See omnystudio.com/listener for privacy information.

Since the age of Descartes, science has put all of its eggs in the basket of determinism, the idea that with accurate enough measurements any aspect of the universe could be predicted. But the universe, it turns out, is not so tidy.See omnystudio.com/listener for privacy information.

It evolved over centuries to become the gold standard for conducting scientific inquiry. Yet many people - including some scientists - don't fully understand it. Learn about the basis of how we explore our world in this episode.See omnystudio.com/listener for privacy information.

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.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.

You know the rule that says the simplest explanation is probably the correct one? That’s called a razor and it’s meant to guide logic. But over time it’s become a broadsword used to disprove opposing arguments. Learn how to spot a faux skeptic in this episode.See omnystudio.com/listener for privacy information.

The world's energy consumption is ruining the planet but for decades physicists have been working on what could solve the world's energy and climate change woes for centuries to come - nuclear fusion. Learn about building stars on Earth in this episode.See omnystudio.com/listener for privacy information.

You could be forgiven for thinking the story behind elastics was boring. You’d still be wrong, though. The story of what’s holding up your underwear is a global drama, replete with war, industrial espionage, colonialism, destitute inventors – everything!See omnystudio.com/listener for privacy information.

Like many huge discoveries, X-rays were accidentally stumbled upon. That serendipity led to a medical breakthrough still in use today. Learn about how X-rays are created and why they make such delightful images of our bones.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.

Chuck loved M*A*S*H. Josh didn't. Listen in as they fight to the death.See omnystudio.com/listener for privacy information.

Does singing make you happy? Yes, yes it does.See omnystudio.com/listener for privacy information.

You can make a pretty good case that the rise of opinion “news” and filter bubbles on cable tv created the current cultural and political schism that plagues American society. How did it start? Where did it come from? And what the heck can we do about it?See omnystudio.com/listener for privacy information.

Back in the day, broadcasters were bound by law to provide contrasting opinions on political matters. Why? Because of the Fairness Doctrine. What happened to it? Listen to this classic episode and find out. See omnystudio.com/listener for privacy information.

Today we dive into the unremorseful life of NYC Subway vigilante Bernhard Goetz.See omnystudio.com/listener for privacy information.

Harvesting rainwater has tons of upsides and not many downsides – you just need to take a few precautions first. Don’t miss this episode, which features some Josh Math™.See omnystudio.com/listener for privacy information.

They say that smiling requires fewer muscles than frowning, so why not smile? That doesn’t seem to be true, or at least unproven, and there is lots more about smiling that will keep you glued to your earbuds in this fun episode.See omnystudio.com/listener for privacy information.

Josh and Chuck delve into the world of 911 in this classic episode.See omnystudio.com/listener for privacy information.

The disaster at Three Mile Island thankfully did not cost any lives directly, but the notion that it didn't harm people is very much up in the air. Learn all about the worst nuclear disaster in the history of the United States today.See omnystudio.com/listener for privacy information.