Snake Skin Texture Research (IMAGE) Drexel University Caption Hisham Abdel-Aal, PhD, an associate teaching professor at Drexel University has collected and studied more than 350 complete snake skins shed from 40 different species to generate the data that engineers can now use to design custom, textured surfaces. Credit Drexel 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.