Don Stein, Emory University (IMAGE) Emory Health Sciences Caption This is Don Stein, Ph.D., of Emory University. Credit Jack Kearse, Emory University Usage Restrictions Credit to Jack Kearse, Emory University 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.