Polar Bears Are Turning To Cannibalism As Arctic Ice Disappears: pPolar bears are now being observed by scientists resorting to cannibalism, and expect to see more as Arctic sea ice declines. In “Observations of cannibalism by polar bears (Ursus maritimus) on summer and autumn sea ice at Svalbard, Norway,” published in the journal Arctic, polar bear biologist Ian Stirling and photojournalist Jenny Ross describe seeing [...]/p