Xiang-Lei Yang and Samuel Pfaff (IMAGE) Scripps Research Institute Caption Xiang-Lei Yang, professor at The Scripps Research Institute (right) and Samuel Pfaff, professor at the Salk Institute and investigator at the Howard Hughes Medical Institute, are senior authors of the new study. Credit Photo courtesy of The Scripps Research Institute. Usage Restrictions None 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.