Rejecting salt (IMAGE) Massachusetts Institute of Technology Caption Researchers test two identical outdoor experimental setups placed next to each other. Credit Image courtesy of Lenan Zhang, Xiangyu Li, Evelyn Wang, et al. Usage Restrictions Images are made available to non-commercial entities, press and the general public under a Creative Commons Attribution Non-Commercial No Derivatives license. You may not alter the images provided, other than to crop them to size. A credit line must be used when reproducing images. 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.