Space/Science

The whole thread (8 posts)

• Oxygen in the news - RobVG - 10/9/2013 7:00:42 PM
  • Does anyone know the spectral requirements of chlorophyll? - ER - 10/9/2013 7:23:14 PM
    • I don't think that would really matter . . . - DanS - 10/10/2013 1:59:26 PM
      • Maybe there is no substitute for chlorophyll. - ER - 10/10/2013 4:32:03 PM
        • . . . we may very well be alone . . . - DanS - 10/10/2013 6:33:25 PM
          • I really hate it too. - ER - 10/10/2013 6:50:44 PM
            • The Drake Equation. . . - DanS - 10/10/2013 11:31:47 PM
              • I wouldn't put too much creedence in any of those hypotheses. - ER - 10/11/2013 1:24:34 AM

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