Lei Wang and Ji-Yong Kang, Salk Institute (IMAGE) Salk Institute Caption From left, this is Salk scientist Lei Wang and graduate student Ji-Yong Kang. Credit Image: Courtesy of the Salk Institute for Biological Studies Usage Restrictions News media reproduction to illustrate this story permitted with proper attribution as provided above. For one time use only. 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.