image: Near Toolik Field Station, North Slope Alaska. Øivind Tøien, research scientist with the Institute of Arctic Biology at the University of Alaska Fairbanks, and first author of the Science paper on bear hibernation, measures the carbon dioxide concentrations in a marmot burrow as part of a hibernation project. Toolik Field Station is operated by the Institute of Arctic Biology. This image relates to an article that appeared in the Feb. 18, 2011, issue of Science, published by AAAS. The study, by Dr. Øivind Tøien, at the University of Alaska Fairbanks, and colleagues was titled, "Hibernation in Black Bears: Independence of Metabolic Suppression from Body Temperature." view more
Credit: [Øivind Tøien, Institute of Arctic Biology, University of Alaska Fairbanks]