This experiment showed that the ice adhesion of unwashed polar bear fur is exceptionally low. While the often-accepted ...

After a summer of fasting on land, the bears need to get back to their frozen home to hunt seals and bulk up. But their migration ritual is changing.

A file photo of an (ice-free!) mother polar bear and her cub on the Hudson Bay. (Paul J. Richards/AFP via Getty Images) Preventing ice buildup in extreme temperatures has long vexed industries ...