Ancient arctic mammals' life style studied
Times of the Internet (Free subscription) | 03/06/2009
BOULDER, Colo., June 3 (UPI) -- U.S. scientists have determined how high arctic mammals lived about 54 million years ago in a study said to be important in view of Earth's climate change. University of Colorado-Boulder researchers said ancestors of tapirs and ancient cousins of rhinos living above the Arctic Circle 53 million years ago endured six months of darkness each year in a mild climate that...




