Discovery Of Two-Million-Year-Old Bones Is Evolution Game-Changer
Our understanding of evolution is greatly enhanced by the discovery of the transitional figure that preceded humans.
The bones are from Australopithecus sediba. The research places that pre-human branch of the evolutionary tree as the best candidate to be the ancestor of the human line, said Lee R. Berger of the University of Witwatersrand in South Africa.
The bones, found in 2008 in the fossil-rich cave region of Malapa near Johannesburg, show a head-to-foot combination of features of Australopithecus and the human genus, Homo.
“It’s as if evolution is caught in one vital moment, a stop-action snapshot of evolution in action,” said Richard Potts, director of the human origins program at the Smithsonian Institution. He was not among the international research team, led by South African scientists. Their research was published online Thursday in the journal Science.
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