Michal Polak, University of Cincinnati (IMAGE) University of Cincinnati Caption This is University of Cincinnati evolutionary biologist Michal Polak. Credit Dottie Stover/UC Photographic Services 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.