As part of our shameful history series, today we dive into the Tuskegee Syphilis Experiments of the 1930s, 40s, 50s, 60s and into the 70s.

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If you try to kill someone who was already dead is that a bad thing? Yeah? How bad?

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Say one thing about Mao's communist China, they could kill some sparrows. Learn why and how in today's episode.

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Subpoenas are all the rage. But what do they even mean if someone can just ignore it? Learn this and a lot more in this classic episode.

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It’s an understated miracle that humans can get across ideas to one another by saying things out loud. We’re strangely good at not constantly talking over each other, interrupting one another, and correcting misunderstandings. All just by conversing! 

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One of the last uncontacted people in the world live in the Bay of Bengal and they have made it clear they don’t want you to visit.

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Aussie James Harrison gave blood close to 1,200 times over a 60 year period and saved 2.5 million babies in the process. That makes him a hero. 

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If you’ve ever found your blood pressure rising because some guy down the street doesn’t know how to keep the trigger on a leaf blower pulled all the way, then you’ve experienced noise pollution. Not only is it annoying, it turns out it’s deadly too! Learn all about it in this classic episode.

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In the 1960s, America took stock of itself when scores of low-income cities broke out in riots. It found that racism was at the root of many social problems. Instead of addressing the underlying issues, the country decided instead to militarize the police.

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Why does water seem to freeze faster when it starts out warmer?

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