George Phillips, Rice University (IMAGE) Rice University Caption George Phillips with a 3-D model of an enzyme (blue/green) that cuts cellulose fibers (orange/gray). Credit 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.