Sascha Usenko (IMAGE) Baylor University Caption Sascha Usenko, Ph.D., associate professor of environmental science in Baylor University's College of Arts & Sciences. Credit Robert Rogers, Baylor 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.