Discovery of a New Kind of Molecule (IMAGE) University of Delaware Caption In laboratory research at the Delaware Biotechnology Institute, Pamela Green, the Crawford Greenewalt Chair of Plant Sciences at UD, led the discovery of a new type of molecule -- a kind of "micro-switch" -- that can turn off genes in rice. Credit Kathy F. Atkinson/University of Delaware Usage Restrictions Image must include credit to University of Delaware. 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.