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Science & The Supernatural: A Discussion of the World Around us - Based on Science with an Interest in the Supernatural ...
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PostPosted: 13 Apr 2010, 11:17 
'Lustrous Potentate
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Joined: 24 Mar 2010, 11:06
Posts: 411 ... ies-human/

Ker Than
for National Geographic News
Published April 8, 2010

Identified via two-million-year-old fossils, a new human ancestor dubbed Australopithecus sediba may be the "key transitional species" between the apelike australopithecines—and the first Homo, or human, species, according to a new study.

"We've never seen this combination of traits in any one [early human species]," study leader Lee Berger told the journal Science, where the new study is published today.

A. sediba, for example, had long legs and certain humanlike characteristics in its pelvis, which would have made it the first human ancestor to walk—perhaps even run—in an energy-efficient manner, the study says.

For one thing, unlike human species but like other australopithecines, A. sediba had a very small brain. The fossil species also had long ape-like arms with primitive wrists that were well suited for climbing trees.

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