A camera in the gondola of his balloon photographs Air Force Captain Joseph M. Kittinger Jr., as he starts the jump that set his record-breaking parachute jump over southern New Mexico on Aug. 8, 1960. Bettman/Corbis hide caption

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What It's Like To Freefall From 20 Miles Above The Earth

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Researchers meet participants: (from left) investigator Jose Luis Roca; Dr. Ernesto Ortiz; study participants Rainer Leon and his mother, Rina Leon Chanbilla; and nurse Jennifer Rampas. Jason Beaubien/NPR hide caption

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They're Going Door To Door In The Amazon To See Why People Get Sick

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This aerial view shows the effects of gold mining on Peru's rain forest. Courtesy of Gregory Asner, Carnegie Institution for Science hide caption

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Who Did This To Peru's Jungle?

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A miner holds a nugget of mercury mixed with gold. The mercury is used to extract gold from river sludge. Rodrigo Abd/AP hide caption

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Going For The Gold Sends Mercury Down The River

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The FDA is recommending that pregnant women eat 8 to 12 ounces per week of fish such as salmon, canned light tuna, tilapia or cod. Iakov Filimonov/iStockphoto.com hide caption

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