Ocean Sentry
Newborn polar bears are able to survive the bone-chilling Arctic winter — where temperatures can fall to negative 30 degrees Celsius or lower — by seeking warmth in their mothers’ dens. However, new research claims that if current trends continue, cubs along Alaska’s northern coast might perish outside instead. Read more
Cubs are born helpless and typically nurse for two and a half years U.S. Photo: Fish and Wildlife Service/Wikipedia
