hominin

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• SOURCE: Newsweek
  4-23-18
  

  Human Evolution: Walking Upright Evolved at Least 3.6 Million Years Ago—Long Before Modern Humans Appeared

  Evolutionary anthropologist David Raichlen and his colleagues from the University of Arizona, examined 3.6-million-year-old hominin footprints recently discovered in Laetoli, Tanzania, which represent the earliest direct evidence of hominin bipedalism.