The Ends of the Earth

Categories: Earth

Pamela Conrad, an astrobiologist with NASA’s Jet Propulsion Laboratory, has traveled to the ends of the Earth to study life. On June 16, 2005, Conrad gave a lecture entitled, “A Bipolar Year: What We Can Learn About Looking for Life on Other Planets by Working in Cold Deserts.” In part 1 of this edited transcript, Conrad describes what sort of signs we could look for to see if there is life in an alien environment.