Stuff You Should Know

Latest Episodes:

How Natural Selection Works Apr 10, 2014

Show notes

While evolution gets all the spotlight for moving species into better versions of themselves, but really it's natural selection that is the engine driving the process. Learn all about this elegant scientific observation that forms the basis of life.

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How Charles Darwin Worked Apr 08, 2014

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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. Learn about the man who reluctantly but bravely became the source of the divide between religion and science.

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How Income Taxes Work Apr 03, 2014

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They are among the more reviled concepts of modern life, and yet they are as inevitable as death. Join Josh and Chuck as they look into the history and the basis of income taxes in the U.S. in this episode.

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How 3D Printing Works Apr 01, 2014

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With 3D printing you can print not just pictures and words, but actual objects from files. And as costs come down, the list of things you can print expand: from food, to organs, to guns.

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How Landslides Work Mar 27, 2014

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Landslides are a form of mass movement of the Earth, and with the amount of death and destruction they wreak on the people and towns they cover, their toll can be massive. Learn all about landslides in this episode with Josh and Chuck.

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How Amnesia Works Mar 25, 2014

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Those movies where someone gets hit on the head and can't remember who they are anymore? They're actually not too far off from the reality of amnesia. Learn everything about this bizarre and life-robbing condition with Josh and Chuck.

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How Electricity Works Mar 20, 2014

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It is literally all around you (and even inside you) - electricity makes up the basis of modern life. But what exactly is electricity and how does it work? Josh and Chuck chase away the darkness and explain electricity in their usual electrifying way.

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Tattoos: Not Just For Dirtbags Anymore Mar 18, 2014

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Most Europeans first encountered tattoos after sailors visiting the South Pacific returned covered in them. From then on, with a few notable exceptions, tattoos have been associated with fringe dwellers in the West. Learn all about tats in this episode.

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How Black Boxes Work Mar 13, 2014

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Black boxes are designed to be the only survivor of plane crashes so they can live to tell the tale of what went wrong to prevent future accidents. Learn about how these grim devices are made, how they're tested and the tales they've told.

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How Skateboarding Works Mar 11, 2014

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Skateboarding started out as something bored surfers did when the waves weren't breaking, but after a few improvements to the design, it took off like a rocket to become its own cultural phenomenon. Come gleam the cube with Josh and Chuck.

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