Headshots (IMAGE) Salk Institute Caption Top from left: Sreekanth Chalasani and Corinne Lee-Kubli. Bottom from left: Marc Duque and Yusuf Tufail. Credit Top: Salk Institute. Bottom from left: Marc Duque and Yusuf Tufail. 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.