LIVECloser to Truth's Philosophy of Biology - What Would Alien Life & Intelligences Mean?
What could life be as we don't know it? Three transitions in astrobiology. Non-life to life. Life to intelligent life. Intelligent life to technological civilization. For alien life, would Darwinian evolution hold? Fermi's Paradox is profound: with at least 1022 planets in the known universe, we find no evidence of alien life, anywhere, much less alien intelligence. Is there a great filter?
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