Stuff You Should Know

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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E-e-e-eek! E-e-e-eek, we say! Adding to the tradition of our wonderful animal episodes we contribute this amazing installment on one of the all-time great sea creatures, the dolphin! Attach a sponge to your rostrum and dive in with Josh and Chuck!

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A pair of old timey fossil hunters had a rootin’ tootin’ rivalry that spilled from academic journals into the American Wild West - where fossils were dynamited and employees turned double agent. Learn about the two-fisted origins of American paleontology in this classic episode.

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Blue zones are areas where people supposedly have more 100+ year-olds than average. But is it all based on faulty records?

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An amazing case of an early modern mass sighting of UFOs came in Nuremberg, Germany in 1561. Except it wasn’t that at all.

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Crooked teeth have always been a thing, but it took us a long time to do something about it. Learn about the twisted history of orthodontics today!

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In December 1900 three lighthouse keepers vanished without a trace from a deserted island in Scotland. To this day no one knows exactly what happened to them. Find out all about this strange situation in this classic episode.

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Private equity is a business operation where companies are bought and run at their leanest to maximize returns for a handful of investors. It can be a lifeline for a flailing company or run it into the ground. Either way, PE firms make out like bandits.

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Why aren't there lemurs in Africa? That question created a whole theory about a lost continent. Turns out it's not true.

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In 1922, a pastor and his mistress were murdered in New Jersey. Nobody was ever convicted of the crime even though it seems clear who did it. 

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Rape kits are simple forensic evidence collection kits used when someone is sexually assaulted. But the story is deeper than this. Learn all about rape kits, the sad backlog problem, and what you can do to help, in this classic episode. 

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In part two of Heavy Metal Week Josh and Chuck break down how specialized heavy metal music has become, talk about some of the great album covers, look at how metal hits the brain, and explain the sad death of guitar great Randy Rhoads.

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Metal fans have many ways to express themselves, but none are as metal as throwing the devil horns. But who did it first?

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Some of the most talented musicians in the world play heavy metal, some of the hardest-hitting music ever made. In this episode Chuck and Josh wade into the history of the genre, and try to get to the bottom of where the name came from.

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In the absence of an official explanation of why flight MH 370 disappeared in 2014, conjecture and conspiracy theories have filled the vacuum. Find out the current state of things in this classic episode.

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