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Thursday, July 24, 2008 |
Photo: Epic Flood Triggered Ancient "Big Chill," Study SaysA recent study of ancient sediments collected near there suggests that a huge influx of fresh water from a giant glacial lake altered ocean currents and caused a century-long chill in Europe and North America. Image from Getty Images/Digital Vision
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ADVERTISEMENTNATIONAL GEOGRAPHIC'S PHOTO OF THE DAYPhoto and Headline Widget
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