(IMAGE) Chiba University Caption The development of melanin-based coating combines structural color with water-repellent and self-cleaning properties, emerging as a next-generation coating material. Credit Dr. Michinari Kohri from Chiba University Usage Restrictions Cannot be used without permission. 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.