image: A young polar bear on pack ice over deep waters of the Arctic Ocean in October 2009. This material relates to a paper that appeared in the July 17, 2015, issue of Science, published by AAAS. The paper, by John Whiteman at the University of Wyoming in Laramie, Wyo., and colleagues was titled, "Summer declines in activity and body temperature offer polar bears limited energy savings." view more
Credit: [Credit: Shawn Harper]