Mercury analyses (IMAGE) DOE/Oak Ridge National Laboratory Caption A team led by ORNL and the University of Michigan discovered that more bacteria than previously known can break down toxic methylmercury in the environment. Researcher Xia Lu conducted mercury analyses for the study during her postdoctoral appointment at ORNL. Credit Rachel Brooks/ORNL, U.S. Dept. of Energy Usage Restrictions No restrictions on use License Original 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.