VIRUS 3 (IMAGE) Rice University Caption Rice University bioengineer Junghae Suh, left, and graduate student Eric Gomez led a study in which proteins that respond to light helped viral capsids deliver their contents to the nuclei of cells. The researchers see their technique as a way to control gene expression. Credit Jeff Fitlow/Rice University 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.