Posts Tagged ‘genomics’

Science & Technology - Friday, March 5, 2010 13:00 - 0 Comments

Ancient DNA shows polar bears evolved recently


polar_bear_1

“We have found that polar bears actually survived the interglacial warming period, which was generally warmer than the current one,” says Charlotte Lindqvist, “but it’s possible that Svalbard might have served as a refugium for bears, providing them with a habitat where they could survive. However, climate change may now be occurring at such an accelerated pace that we do not know if polar bears will be able to keep up.” (Credit: iStockphoto)

BUFFALO / PENN STATE(US)—A rare polar bear fossil discovered in Norway in 2004 is helping fill in key pieces of the evolutionary history of polar bears and brown bears, including their response to past climate changes. Continue…


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