Polar bear trackers help keep people and bears apart

43 minutes agoBy Victoria Gill, @vic_gill, Science correspondent, BBC NewsTyler RossAs the climate warms, polar bears are seen on land earlier in the season At the end of the Canadian Arctic summer, polar bears head inland to wait for the ice to form. And while thousands of tourists flock to catch a glimpse of these magnificent predators, researchers are developing novel ways to keep people and bears safely…