Researchers innovate sustainable metal-recycling method (IMAGE) Rice University Caption James Tour, left, and Shichen Xu, right. Credit Photo by Gustavo Raskosky/Rice University. Usage Restrictions Photo by 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.