Rice University Geochemist Mark Torres (IMAGE) Rice University Caption Mark Torres is an assistant professor of Earth, environmental and planetary sciences at Rice University. Credit Photo courtesy of Rice University Usage Restrictions Must credit: "Photo courtesy of 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.