A ligand adapting to its environment (IMAGE) DOE/Oak Ridge National Laboratory Caption Conceptual art shown here depicts a ligand adapting to its environment. ORNL scientists have discovered a compound that shifts its preference for binding to specific rare-earth metals depending on surrounding conditions, like a chameleon changes its colors. Credit Adam Malin/ORNL, U.S. Dept. of Energy Usage Restrictions None 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.