Ruoqian Lin (IMAGE) DOE/Brookhaven National Laboratory Caption Brookhaven chemist Ruoqian Lin, first author of the study. Credit Brookhaven National Laboratory Usage Restrictions OK to use with stories about this research 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.