Scientist image (IMAGE) Salk Institute Caption From left: Alan Saghatelian and Thomas Martinez Credit From left: Salk Institute and Steve Zylius from UC Irvine 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.