Kawai Color Nanospheres (IMAGE) Kobe University Caption The iridescent bodies of Sporochnus dotyi are densly packed with microspheres of uniform size between 130 and 160 nanometers. Credit MOTOMURA Taizo Usage Restrictions Credit must be given to the creator. License CC BY 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.