Crystals Aglow (IMAGE) University of Chicago Caption A tray of crystallized proteins awaits examination under an optical microscope in Chuan He's laboratory. Credit Lloyd DeGrane Usage Restrictions This image may be used by news organizations in connection with reports about the research of Chuan He and his associates. 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.