Edgard Rivera-Valentin, a postdoc in Geological Sciences, was co-author of the research that suggests the melting of frozen salty water on Mars last year may be the cause of the dark streaks on the planet. The were spotted by NASA's Mars Reconnaissance Orbiter spacecraft. Rivera-Valentin worked with researchers from other universities to model the behavior of the water-and-salt mixtures to figure out how the liquid could flow on the frigid surface of Mars. Read more about this research on CBS NEWS.
November 2, 2012