A team of paleoanthropologists, after four years of analysis, has made its most detailed case that Australopithecus sediba is a direct ancestor of modern humans. But many experts are unconvinced.
With long arms, high shoulder blades and powerful fingers, the ancient creatures were built for climbing trees. But they also had long lower limbs, flat feet and a flexible lumbar spine that gave them a distinct evolutionary edge: They could cover long distances by walking upright on two legs.
via L.A. Times - Science http://feeds.latimes.com/~r/latimes/news/science/~3/xEB4R_2jhV8/la-sci-australopithecus-20130412,0,1589078.story
With long arms, high shoulder blades and powerful fingers, the ancient creatures were built for climbing trees. But they also had long lower limbs, flat feet and a flexible lumbar spine that gave them a distinct evolutionary edge: They could cover long distances by walking upright on two legs.
via L.A. Times - Science http://feeds.latimes.com/~r/latimes/news/science/~3/xEB4R_2jhV8/la-sci-australopithecus-20130412,0,1589078.story
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