Supercooled Water (VIDEO) European Synchrotron Radiation Facility This video is under embargo. Please login to access this video. Caption When pure water is cooled below freezing point, it may remain in a supercooled state. It can then rapidly crystallize into ice when stimulated by an appropriate catalyst, such as shaking the bottle. Credit Jeremy Cusack Usage Restrictions None 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.