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One more piece to the human puzzle.
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Laelaps science blog
Nature News
Game changer
Laelaps science blog
Nature News
New descriptions of Australopithecus sediba fossils have added to debates about the species' place in the human lineage. Five papers1,2,3,4,5 published today in Science describe the skull, pelvis, hands and feet of the ancient hominin unearthed three years ago in South Africa6.
The papers reveal a curious mix of traits, some found in apes and earlier Australopithecus fossils, and others thought to be unique to Homo erectus — the tall, thin-boned hominin that emerged around 2 million years ago in eastern Africa and colonized Europe and Asia — and its descendants, including modern humans.
This mix of features has left palaeoanthropologists unsure of how A. sediba relates to other ancient human relatives. Lee Berger, a palaeoanthropologist at the University of Witwatersrand in Johannesburg, South Africa, whose team discovered A. sediba, proposes that A. sediba may have evolved into H. erectus, but many other researchers are sceptical of that claim.