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keratin

  1. Eos of the Eons

    Keratin that makes up human hair evolved before mammals

    http://news.yahoo.com/s/livescience/20081111/sc_livescience/originofbadhairdiscovered The kind of keratin we have in the make-up of our hair and nails was thought to have evolved in mammalian ancestry, now it seems that the keratin evolved before there were mammals around, and actually was in...
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