researchers (IMAGE) Rice University Caption Yimo Han (left) and Chuqiao Shi Credit Photo by Gustavo Raskosky/Rice University Usage Restrictions Must credit Gustavo Raskosky/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.