Gel (2 of 3) (image) Rice University Caption A new hydrogel invented at Rice University turns from liquid to semisolid as it moves from room temperature to near body temperature in an experiment. The material inside the tube quickly turns white as it gellates. Chemical links in the gel take longer to form, but help it hold its size and shape as a scaffold for growing new tissue. Credit Jeff Fitlow/Rice University Usage Restrictions None 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.