Scientist image (IMAGE) Salk Institute Caption From left: Emma Tilley, Kyeongkyu Kim, Ruth T. Yu, Gencer Sancar, Ronald M Evans, Annette R. Atkins and Michael Downes Credit Salk Institute Usage Restrictions with credit and related coverage. License Original 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.