Pandora Reef (IMAGE) Columbia University Caption Bleached corals on Pandora Reef, Great Barrier Reef in 2017 Credit Austrailan Institute of Marine Science / Eric Matson 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.