Coral Reef (IMAGE) American Chemical Society Caption Oil-spill clean-up agents are a threat to coral reefs, researchers say. Credit (Courtesy of Shai Shafir, The Hebrew University of Jerusalem) 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.