Stuff You Should Know

Back in the 1800s, people had an outsized fear of being buried alive. Enter... THE SAFETY COFFIN!
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If you’ve ever been out of your house you’ve probably been in a crowd before. They can be as mundane as an elevator full of people or as consequential as a mass of protesters. But did you know there’s psychology to crowds? And they follow fluid dynamics?
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Charles Darwin wasn't the first or only scientist to grasp the theory of evolution through natural selection, but he became its father and icon. In this classic episode, learn about the man who reluctantly but bravely became the source of the divide between religion and science.
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It turns out that lasers are even cooler than they look. And as far as acronyms go, they’re pretty solid in that respect too. There’s way too much cool stuff about lasers to tease here so listen to this old school SYSK episode and let lasers blow away.
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In the late 90s, a strange musical instrument was excavated under the streets of CDMX. Listen in to learn all about the Aztec Death Whistle.
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