OSU's Catlos Reaps Rewards of Research (IMAGE) Oklahoma State University Caption Catlos takes a break from field work in an amphitheater in Ephesus in Turkey. Credit Oklahoma State University 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.