Ancient Chemical Clues Reveal Earth’s Earliest Life 3.3 Billion Years Ago – astrobiology.com

  1. Ancient Chemical Clues Reveal Earth’s Earliest Life 3.3 Billion Years Ago  astrobiology.com
  2. Scientists may have just found a new way to hunt for aliens  BBC Science Focus Magazine
  3. Chemical evidence of ancient life detected in 3.3-billion-year-old…

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