Rice U physicists Natelson Zhou Chen (IMAGE) Rice University Caption Rice University physicists (from left) Liyang Chen, Panpan Zhou and Doug Natelson and colleagues at Brookhaven National Laboratory and the University of Connecticut found evidence of electron pairing -- a hallmark feature of superconductivity -- at temperatures and energies well above the critical threshold where superconductivity occurs. The research appears this week in Nature. Credit Photo by Jeff Fitlow/Rice University Usage Restrictions Must credit: "Jeff Fitlow/Rice University" 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.