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Posted by / 24-Jun-2018 09:01

Dating1 net

GFDL CC-BY-SA, Wikimedia Commons A handaxe from Olduvai Gorge, over 1 million years old.This stone tool is most often associated with Homo erectus, a hominin considered by many scientists to be a possible human (Homo) ancestor.To do this successfully, they said, required extreme dorsiflexion, or bending the foot upward toward the shin to a degree not normally possible among most modern humans.

It demonstrated that a foot and ankle bone structure adapted primarily for walking upright on land does not necessarily exclude climbing as a behaviorally habitual means of mobility for survival.Recent research at Olduvai has focused primarily on earlier beds, so research on these later beds will likely present new data to consider.Four key previously excavated sites will be investigated through full-scale excavation.It was first discovered by Donald Johanson and colleagues in the Afar region of Ethiopia with the recovery of the partial skeleton of a 3.2 million-year-old specimen they named "Lucy".The find has represented a possible benchmark in human evolution for decades.

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(Africa) 31 December 2012 The results of recently conducted field studies on modern human groups in the Philippines and Africa are suggesting that humans, among the primates, are not so unique to walking upright as previously thought.