Darling Argonne (IMAGE) American Institute of Physics Caption Seth Darling's research at Argonne National Laboratory blends chemistry, physics, materials science and engineering to address the central global challenge of clean water accessibility. Credit Institute for Molecular Engineering at Argonne National Laboratory Usage Restrictions This image can be used only with appropriate credit. 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.