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Life's Extreme Edge

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Uploaded on Feb 13, 2008

"Life's Extreme Edge: The Limits of Organic Life on Earth and Other Planets" presented by Professor Jonathan I. Lunine, January 30, 2008, as the second of six lectures in the University of Arizona's College of Science's The Edges of Life lecture series.

Abstract: Although all life on the Earth is biochemically the same, it can assume exotic forms and occupy extreme ecological niches. What does this knowledge teach us about the potential of life on exotic worlds? To detect and recognize life beyond Earth will require an understanding of the full range of possibilities of what might truly be called life.

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