Crystal Photograph (IMAGE) University of Washington Caption This image shows the newly discovered hydrate that has two sodium chloride molecules for every 17 water molecules. This crystal formed at high pressure but remains stable at cold, low-pressure conditions. Credit Journaux et al./PNAS Usage Restrictions With credit 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.