UV-A-induced movement by flatworm (VIDEO) Proceedings of the National Academy of Sciences This video is under embargo. Please login to access this video. Caption UV-A-induced movement by flatworm. Credit Nishan Shettigar 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.