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March 1, 2011 6:37 AM

Arctic oil studies yield discoveries about sea life

Spurred by the rush to develop the Arctic's offshore oil and gas riches, scientists are unlocking some mysteries about the marine environment off Alaska's northern coast. Hundreds of millions of dollars have been spent on the icy Beaufort and Chukchi seas, resulting in major discoveries -- including the existence of commercial fish species such as Pacific cod and walleye pollock in places never before documented.

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