Wei-Jun Cai, University of Delaware (IMAGE) University of Delaware Caption New sensor developed by a team led by University of Delaware researchers Wei-Jun Cai (above) and Mark Warner enables first carbonate ion measurements inside coral. Credit Ambre Alexander Payne Usage Restrictions Image must include credit to University of Delaware 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.