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Home > Science Talk > Are There (Microbial) Aliens On Earth?
Podcast: Science Talk
Episode:

Are There (Microbial) Aliens On Earth?
Category: Religion & Spirituality
Duration: 00:26:45
Publish Date: 2007-12-11 23:00:08
Description: 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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