Sample (IMAGE) DOE/Argonne National Laboratory Caption Argonne chemist Lina Chong (foreground) holds a sample catalyst while Argonne chemist Di-Jia Liu looks on. Credit Argonne National Laboratory 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.