Stuff You Should Know

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The Skinny on Probiotics Jul 24, 2014

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You can find probiotics - bacteria thought to have healthful benefits for humans - in everything from pills to yogurt. But does any of it work? Listen as Josh and Chuck get to the bottom of the science (and need for it) of probiotics and health.

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How Trickle-Down Economics Works Jul 22, 2014

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The concept of trickle-down economics is tied to Ronald Reagan, but the idea's been around and in use since the 20s. It's simple: Give more money to the wealthy and they can use it to rev up an economy. But is the whole thing just a scam?

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How In Vitro Fertlization Works Jul 17, 2014

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In the U.S. alone, more than 6 million people are affected by infertility and science has taken up the mantle of helping them to conceive. Learn about the clever, though intuitive, methods of assisting infertile couples to have a child.

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How Sushi Works Jul 15, 2014

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Sushi grew out of a way to ferment fish a couple thousand years ago and in the late 20th century began to take the world by storm. What began as traditional, rigid food has come to evolve with new delicious innovations being added to the original canon.

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How Grass Works? Yes, How Grass Works Jul 10, 2014

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There's nothing more boring than watching grass grow, which is why Josh and Chuck aren't asking you to do that. Instead, you can learn about all sorts of neat things about grass - like how America became obsessed with perfect lawns - in this episode.

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Is brain size related to intelligence? Jul 08, 2014

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The idea that the larger the brain, the higher the intelligence is an old one, but it's pretty much utterly false. Modern investigation into how the brain works suggests there's a lot more to take into account when comparing brain biology to intellect.

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How Monopoly Works Jul 03, 2014

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Since more than 1 billion people have played it, you're probably familiar with the board game Monopoly, but we bet you don't know its secret origins as a left-wing socialist teaching tool. Learn about the history, rules and cultural impact of Monopoly.

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How The Louvre Works Jul 01, 2014

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The most famous museum in the world, France's Louvre, has been the seat of high art and culture for several centuries. Its history goes back farther than that, beginning in the 1200s as a fort and prison. Tour the Louvre and its collections in this episode.

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How the MPAA Works Jun 26, 2014

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You may be surprised to learn those ubiquitous ratings, from G to NC-17, put on movies in America are actually handed down by anonymous employees of a secretive organization that serves as a lobbying firm for Hollywood's six biggest studios.

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How the La Brea Tar Pits Work Jun 24, 2014

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It's surprising that a few 12-feet-deep pools of asphalt have proven to be one of the most significant troves of Pleistocene fossils, but the La Brea Tar Pits, located in the heart of Los Angeles, are giving science a clear picture of a puzzling time.

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