Tanya Harrison MA ’08, who studied with Martha Gilmore, associate professor of earth and environmental sciences, and is now at Malin Space Science Systems in California, is first author on a report that says her team found evidence of liquid water flowing on the surface of Mars in multiple locations as recently as this year. An abstract of the report, titled "Present-Day Activity, Monitoring and Documentation of Gullies With the Mars Reconnaissance Orbiter Context Camera," was published in the Geological Society of America Abstracts with Programs, Vol. 41, No. 7, p. 267. The findings were reported in a speech at…