Matthew Oliver, University of Delaware (image) University of Delaware Caption Matthew Oliver, assistant professor of oceanography at the University of Delaware, is using an underwater robot to help track sharks equipped with acoustic tags along the Delmarva Peninsula. Credit University of Delaware/Evan Krape Usage Restrictions Image must include credit to University of Delaware. 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.