Polar Bear Tracking (VIDEO) University of Wyoming This video is under embargo. Please login to access this video. To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Caption These are scenes from polar bear research in 2008-2010. Credit Greg Marshall, Birgit Buhleier Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.