researchers (IMAGE) Rice University Caption Bonnie Bartel (left) is Rice’s Ralph and Dorothy Looney Professor of BioSciences. Melissa Traver is a postdoctoral research associate in the Bartel lab at Rice University. Credit (Photo by Jeff Fitlow/Rice University) Usage Restrictions Must credit Jeff Fitlow/Rice University. License Original 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.