Podknife - Are There (Microbial) Aliens On Earth? by Science Talk

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Are There (Microbial) Aliens On Earth?

Podcast |: Science Talk
Publisher |: Scientific American
Media Type |: audio
Podknife tags |: Interview,; Science & Medicine,; Technology
Categories Via RSS |: Science & Medicine,; Technology
Publication Date |: Dec 12, 2007
Episode Duration |: 00:26:45

In this episode, theoretical physicist, cosmologist and astrobiologist Paul Davies ponders the question of whether life originated more than once on earth, and how to find examples of a second origin if it did. Plus we'll test your knowledge of some recent science in the news. Websites mentioned on this podcast include: www.sciam.com/sciammag or tinyurl.com/3b8voo; www.beyond.asu.edu; www.sciam.com/sciambody; www.mayoclinic.com

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