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Bear-Cams Show Polar Bears Going Hungry as Arctic Ice Shrinks

A rare glimpse inside the everyday lives of polar bears may give scientists clues about their decline. With bear-cams and activity trackers around the necks of nine polar bears, researchers monitored more than a week of their daily activity during peak hunting season in the Beaufort Sea above Alaska. Five of the nine bears lost weight over that time, burning far more calories during their hunt than they were catching. The study, published in the journal Science, raises questions...

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