Todd C. Holmes, UCI School of Medicine (IMAGE) University of California - Irvine Caption UCI Professor Todd C. Holmes, PhD, and his team use the laboratory genetic 'workhorse' Drosophila melanogaster, commonly known as fruit flies, to discover how Cryptochrome non-image-forming vision averages environmental light levels for setting the circadian clock. Credit UCI School of Medicine 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.