Oil Sheen Researchers (IMAGE) University of California - Santa Barbara Caption From left to right are David Valentine, Robert Nelson, Matthias Kellermann, Christopher Reddy. Credit Christopher M. Reddy 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.