Self-Healing Hydrogels (IMAGE) University of California - San Diego Caption Bioengineering Ph.D. student Ameya Phadke stretches two bonded hydrogels, demonstrating the strength of their bond. Credit Joshua Knoff, UC San Diego Jacobs School of Engineering Usage Restrictions with photo 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.