Coexistence of different civilizations on this planet for millions of generations: Revision history

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17 November 2009

8 July 2009

8 February 2009

  • curprev 00:4400:44, 8 February 2009Michael talk contribs 1,035 bytes +1,035 New page: Proliferation, competition and selection seem strong forces in nature that make life resilent. Could similar forces help lead to resilent civilizations? Any single civilization would...