Animation of reef core samples (VIDEO) University of Sydney 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 Animation of core samples from the Great Barrier Reef. Credit University of Sydney Usage Restrictions for this story only 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.