Doug Rasher Monitors Experiment (IMAGE) Georgia Institute of Technology Caption Douglas Rasher, who studied chemical warfare on coral reefs as part of his Ph.D. dissertation at Georgia Tech, heads out on the reef to monitor an experiment. Credit Photo: Ian Markham 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.