Eileen Crist, Virginia Tech (IMAGE) Virginia Tech Caption This is Eileen Crist, associate professor at Virginia Tech’s College of Liberal Arts and Human Sciences and the lead author of the review paper. Credit Virginia Tech Usage Restrictions Credit Virginia Tech 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.