January 5, 2012
The vital statistics
Ardipithecus ramidus was a hominid that lived in Ethiopia’s Afar region 4.4 million years ago. After spending more than a decade studying the …
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January 5, 2012
Not the oldest hominid
At 4.4 million years old, Ardipithecus ramidus is not the oldest known hominid. In 2002, scientists announced they had discovered a hominid skull …
January 5, 2012
Before Lucy: Older hominid Ardi challenges thinking about human evolution
Lucy, the 3.2-million-year-old Australopithecus afarensis fossil, has long been the poster child for early human evolution. But now she’ll have …