ARCTIC OCEAN - Dive researchers from the University of Alaska Fairbanks, prepare to enter a dive hole in the pack ice to study the microorganisms of the Arctic, Oct. 18, 2009. The researchers are traveling aboard the Coast Guard Cutter Polar Sea, homeported in Seattle, which is transporting various research groups to the Arctic. (U.S. Coast Guard photo/ Petty Officer 3rd Class Pamela Manns)
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