Jonathan Wilker, Purdue University (IMAGE) Purdue University Caption Purdue University chemistry professor Jonathan Wilker draws inspiration from the natural world, from his experiences scuba diving to studying shellfish in his lab. He has developed a sustainable adhesive system — an alternative to toxic, permanent, traditional adhesives. Credit Purdue University/ Rebecca Robinos Usage Restrictions None License Original 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.