Schimmel Nature paper image (image) Scripps Research Institute Caption Scripps Research Institute scientists have determined a molecular structure that helps explain how the Chinese herbal medicine Chang Shan works. Credit Image courtesy of the Schimmel lab. Usage Restrictions None 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.