Although “little green men” belong in the menagerie of science fiction clichés, the search for extraterrestrial life is now taken seriously by many astronomers. This program follows veteran alien hunters—including the acknowledged master of the field, SETI founder Dr. Frank Drake—as they participate in one of the most exciting quests in science today. Researchers at the Allen Telescope Array, a cutting-edge radio astronomy facility dedicated to the search, explain their rigorous sky-scanning techniques, while Dr. Mark Sims and Dr. Dave Cullen showcase their Life Marker Chip—a molecular analysis instrument inspired by pregnancy test kits and slated for the European Space Agency’s ExoMars mission. Produced by the Open University. (26 minutes)
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