“We found some variants that may have been selected in the last ~70,000 years (i.e. they were not in the fossil polar bears),” study co-author and University of Copenhagen evolutionary biologist ...

Quick Take Polar bears are showing rapid DNA changes in response to warming climates, a rare adaptation that may help ...

In the eyes of a human being, a polar bear looks white, particularly in the snowy and icy Arctic environment. This visual ...