Jeanine Ash (IMAGE) Rice University Caption Jeanine Ash is a geobiologist and research scientist in Rice University's Department of Earth, Environmental and Planetary Sciences. Credit Jeff Fitlow/Rice University Usage Restrictions Must credit: "Jeff Fitlow/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.