Angela Ogden, Georgia State University (IMAGE) Georgia State University Caption This is Angela Ogden, lead author of the study and a Ph.D. candidate in Georgia State University's Biology Department. Credit Georgia 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.