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View Diary: This week in science: One day only! (88 comments)

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  •  Considering how diverse "life" is on this planet (2+ / 0-)
    Recommended by:
    dopper0189, whaddaya

    it would be foolish to expect "life" to be what we O2 breathers are.

    There are anaerobes living at impossible pressures at hot vents in the ocean.

    There are anaerobes living at impossibly high altitudes in mountains (such as the weird little critters living in a hot pot at the summit of Mt. Shasta).

    We can recognize "life" when it is not an O2 breather. It is harder for us to recognize anything not based on H2O since everything living on earth is H2O based. Is it possible H2O isn't needed for "life"?

    I would love to travel to other worlds to see what actually exists.

    I reject your reality and substitute my own - Adam Savage

    by woolibaar on Sat Mar 08, 2014 at 09:44:40 AM PST

    [ Parent ]

    •  actually, life on earth isn't as diverse as you (5+ / 0-)

      may think . . . . .

      We all use the same basic biochemistry--so much so that a human and a banana share over 50% of their DNA.

      We all use the same four nucleotides in our DNA--and all our DNA uses the same codons.

      As for multicellular animal life, it's all basically of the same pattern, from a fruit fly to a human---a tube, with a variety of things sticking out from it.

      In the end, reality always wins.

      by Lenny Flank on Sat Mar 08, 2014 at 10:06:51 AM PST

      [ Parent ]

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