Dana Backman works for the SETI Institute of Mountain View, California, as director of outreach for the SOFIA (Stratospheric Observatory for Infrared Astronomy) mission at NASA's Ames Research Center. He also teaches introductory astronomy, astrobiology, and cosmology courses in Stanford University's Continuing Studies Program. From 1991 to 2003, he taught in the physics and astronomy department at Franklin and Marshall College in Lancaster, Pennsylvania, where he invented and taught a Life in the Universe course in the interdisciplinary Foundations program. Dr. Backman's research interests fo...