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  1. spnadmin

    SciTech Tools Suggest Earlier Human Exit From Africa

    Tools Suggest Earlier Human Exit From Africa By NICHOLAS WADE Published: January 27, 2011 A cache of stone tools found on the east coast of the Arabian Peninsula has reopened the critical question of when and how modern humans escaped from their ancestral homeland in eastern Africa. See where...
  2. spnadmin

    SciTech Neanderthals May Have Interbred With Humans

    Neanderthals may have interbred with humans Genetic data points to ancient liaisons between species. Rex Dalton <!-- -->...