Tougher Adhesives (IMAGE) Purdue University Caption A Purdue University team added bonds that are broken easily throughout the material to strengthen the adhesive. Credit Jonathan Wilker/Purdue University 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.