Molecular Structures and the Mechanisms (IMAGE) Hokkaido University Caption Molecular structures and the mechanisms behind instant thermal hardening of the hydrogel. (Nonoyama T. et al., Advanced Materials, November 18, 2019) Credit Nonoyama T. et al., Advanced Materials, November 18, 2019 Usage Restrictions This image is copyrighted and can be used for reporting this research work without obtaining a permission if credited properly. 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.