Zhiyu Cao and Peter Wolynes (IMAGE) Rice University Caption A study by Zhiyu Cao, left, and Peter Wolynes, right, was recently published in PNAS. Credit Photo courtesy of Rice University. Usage Restrictions Photo courtesy of 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.