Dionysiou (IMAGE) University of Cincinnati Caption University of Cincinnati professor Dionysios Dionysiou and his students will be recognized by Saudi Arabia for their work developing effective ways to protect sources of drinking water from toxic pollution. Credit Andrew Higley/UC Usage Restrictions None License Original 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.