André Droxler (IMAGE) Rice University Caption André Droxler is a professor emeritus of Earth, environmental and planetary science at Rice University. 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.