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In recent years, sea ice in the Arctic has been melting at an alarming rate, and scientists are asking why. The science community has recently taken notice of an oceanographer whose research may provide an important clue.
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Transcript
Kelley: Victoria Hill wanted to know why Arctic sea ice is melting faster than scientists had predicted. So Hill, an oceanographer at Old Dominion University, spent six weeks doing research in the Arctic.
Documentary Clip (VH): "It's such a great location—I just see ice for as far as the eye can see. It's very cold. The daytime temperature is about -38 degrees Celsius."
Kelley: That's from a recent documentary that follows Hill as she conducts research in one of the most extreme environments on Earth. The core samples she collected might hold the key to why Arctic sea ice is melting so fast.
VH: "In the last ten years, we've just seen massive ice melts every single year, and right now, 2007 was the greatest ice melt on record."
Kelley: Previous science has looked at how the air might be warming the ice. But Hill is looking further. She believes something in the sea itself is causing...
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