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Did you know that the Sahara Desert used to be green? Farouk El-Baz, the director for the Center of Remote Sensing at Boston University, explains how the Sahara's sandy dunes were formed. We caught up with El-Baz at the annual meeting of the American Association for the Advancement of Science in Boston. Music by Knife Crazy. Interview by Shumin Ma and Ira Flatow. Produced by Flora Lichtman.. Viewed 1197 times.
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Behold the 1000 Pound Pumpkin
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Camouflage Goes High Tech to Dupe Deer
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In Voting Software We Trust?
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Cultivating the Perfect Pepper
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Mars in Paint
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Improbable Research: Collection #104
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Stalking the Wild Mushroom
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Bright-Eyed Butterfly
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Tagging Tuna
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How the Fly Evades the Swatter
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DisCERN this: Large Hadron Rap
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Improbable Research: Collection #103
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Elephants Can't Jump
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Bringing Down the Bolt
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Road Watchers
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The Scoop on Stretchy Ice Cream
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Turning Carbon Dioxide into Stone
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Improbable Research: Collection #102
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Little Beetle, Big Trouble
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Building an e-Nose
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In the Studio: Frequency Hopping
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Making Spirits, Distilled
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Michael Oppenheimer on Global Warming
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The Essence of Life
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The Search for Lake Trout
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The Grasshopper Bot
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Your Video: Tagging Wild Orcas
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Brewing 101
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Beer: The Foam is Sexy
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Your Garden's Favorite Beverage
