Shape-Shifting Material (image) American Chemical Society Caption A new material that changes shape upon heating could help heal bone lesions caused by injuries, tumor removal or birth defects, such as cleft palates. (The white bar is 1 cm, or less than half an inch long.) Credit Melissa Grunlan, Ph.D. Usage Restrictions Please credit Melissa Grunlan, Ph.D. 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.