Environmental Research (IMAGE) Virginia Tech Caption Laura Schoenle, a doctoral student in biological sciences at the Fralin Life Science Institute at Virginia Tech, studies stress hormones and disease in red-winged blackbirds. Credit Virginia Tech 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.