Beta Cell Authors (IMAGE) Salk Institute Caption From left: (front row) Nanhai He, Gabriela Estepa, Ron Evans and Ruth Yu; (back row) Eiji Yoshihara, Michael Downes, Weiwei Fan and Zong Wei. Credit Salk Institute Usage Restrictions with credit and related coverage. 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.