Stuff You Should Know

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Was there a curse on King Tut's tomb? Jan 05, 2012

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When Howard Carter opened Tutankhamen's tomb, some believe he unleashed a curse on everyone associated with his expedition. But there's no such thing as a curse, right? Learn the scientific basis beneath King Tut's curse as Chuck and Josh Meet the Mummy!

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How Yo-Yos Work Jan 03, 2012

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You may have played with a yo-yo before -- perhaps you've even walked the dog -- but do you know about the physics behind what makes a yo-yo sleep and wake up? Learn all about inertia, angular momentum and the history of the yo-yo in this episode of SYSK.

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Coffee: The World's Drug of Choice Dec 29, 2011

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There's a 98 percent chance you're drinking coffee right now. Maybe not, sure, but coffee is ubiquitous - about 80 percent of Americans consume coffee and Brazil alone has 3 billion coffee plants. Learn all about the great black brew in this episode.

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What happens in the brain during an orgasm? Dec 27, 2011

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Chuck and Josh test the limits of their decorum as they explore the physiology of an orgasm. Learn all about this inexplicably taboo subject (including how even women who are paralyzed can experience orgasms) in this episode of Stuff You Should Know.

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Josh and Chuck's Christmas Extravaganza Dec 22, 2011

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Have you ever wondered why the poinsettia is the official plant of Christmas or why we hang stockings by the chimney with care? Join Chuck and Josh for this very special Christmas episode. Who knows, maybe even St. Nick will make an appearance (he doesn't).

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How Pepper Spray Works Dec 20, 2011

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Lt. John Pike of the Davis, Calif., police department brought the wrath of the Internet on himself when he casually doused peaceful protestors with pepper spray. Find out what was in the can in this eye-watering episode of Stuff You Should Know.

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How Earthworms Work Dec 15, 2011

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Earthworms come in a wide range of sizes: The average U.S. earthworm is 6 to 11 inches long, and the giant worms of Australia and South America can grow to a length of 11 feet. Join Josh and Chuck as they burrow into the weird world of earthworms.

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How the Digestive System Works Dec 08, 2011

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The digestive system uses mechanical and chemical processes to absorb and transport all the nutrients your body needs to survive -- but how does it work? In this episode, Josh and Chuck take you through all 30 feet of the average digestive system.

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How Daylight Saving Time Works Dec 06, 2011

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Benjamin Franklin first came up with daylight saving time in 1748, and people still practice it today. But how does it work? What are the pros and cons? Join Josh and Chuck as they turn back the clock to explore the origins of daylight saving time.

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What made the donkey and the elephant political? Dec 01, 2011

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Sure we take it for granted the elephant represents the Republican party and the donkey Democrats, but have you ever wondered why? Josh and Chuck explore the foundation of these bizarre political symbols in this old-timey episode of Stuff You Should Know.

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