NASA @NASA
A polar bear's ride of choice? Glacial ice. But as the planet changes, researchers have found a pack of isolated polar bears in Southeast Greenland that have gotten creative with their means of travel – which may be key to the species’ survival. Read more: https://t.co/HcO2kqlfga https://t.co/2M1JlOk0HT — PolitiTweet.org