Luke Frishkoff (IMAGE) University of Texas at Arlington Caption Luke Frishkoff, coauthor of the study and assistant professor of biology at The University of Texas at Arlington Credit University of Texas at Arlington 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.