Is there life beyond Earth? Join NASA’s director of planetary science James Green for a survey of the places in our solar system that are most likely to harbor alien life.
TEDTalks is a daily video podcast of the best talks and performances from the TED Conference, where the world’s leading thinkers and doers give the talk of their lives in 18 minutes (or less). Look for talks on Technology, Entertainment and Design — plus science, business, global issues, the arts and much more.
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