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For anyone wondering if there were multiple LUAs: https://www.reddit.com/r/askscience/comments/1bjvxs/how_do_we_know_that_there_was_a_last_universal/ https://ww

• contravariant 12y ago
  Doesn't the existence of multiple LUAs contradict either the word 'last' or the word 'universal'?
  • sumitviii 12y ago
    The possibility of 2 non-monozygotic twins having identical genes is not zero, just astronomically low. Its the same for LUA.
    • b08aa8b0dcfce 12y ago
      The possibility of you turning into a teapot is non-zero, just astronomically low.
      • sumitviii 12y ago
        Is it really possible?
        • b08aa8b0dcfce 12y ago
          Mathematically speaking, yes, it is. The probability of any event in this universe is non-zero.
          • sumitviii 12y ago
            Seriously? Can you point to some links?
            • b08aa8b0dcfce 12y ago
              https://google.com https://google.com comes to mind
  • CurtMonash 12y ago
    Yes, except that the correct number isn't 1. It's 2. :)
    • sumitviii 12y ago
      Why? Its the ancestor of all organism, including single celled bacteria.