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The implications for our possible early human ancestors, such as the species Australopithecus afarensis, are significant."Australopithecus afarensis possessed a rigid ankle and an arched, nongrasping foot," wrote Dominy and his co-authors in the report published in the Proceedings of the National Academy of Sciences (PNAS).
Associate professor of anthropology Nathaniel Dominy of Dartmouth College, along with colleagues Vivek Venkataraman and Thomas Kraft, compared African Twa hunter-gatherers to agriculturalists living nearby, the Bakiga, in Uganda.
In the Philippines, they compared the Agta hunter-gatherers to the Manobo agriculturalists.
Olduvai Gorge, perhaps the most famous site for evidence of early humans, is again the subject of intense research on a decades-old question bearing on human origins: How, when and where did early humans evolve from using the first and simplest stone tool industry, that of Oldowan, to the second-oldest, and more sophisticated, stone tool technology known as the Acheulean? and Mary Leakey, advances in archaeological investigative methods and the application of multidisciplinary approaches have made it possible to take another, more detailed and comprehensive look at both the old and the new among the world-famous exposed beds, the geological earthen layers or deposits that have historically produced some of the great ground-breaking discoveries related to early human evolution.
While Olduvai has been picked over before, most notably by the pioneering scientists L. Now, under the organizational umbrella of the Olduvai Geochronology Archaeology Project, an international team of scientists composed of a consortium of researchers and institutions is focusing on reconstructing the picture of the early human transition from the simple "chopper" stone tool technology of the Oldowan industry (see image below), the world's first technology discovered at Olduvai, to the Acheulean, the more sophisticated technology represented most by the well-known bifacial "handaxe" (see image below), some of the first examples of which were found at Saint- Acheul in France, and later at Olduvai.
(Credit: © timur1970 / Fotolia) (Africa) 14 December 2012 New research by a University of Alberta archeologist may lead to a rethinking of how, when and from where our ancestors left Africa.
Researchers involved in a new study led by Oxford University have found that between three million and 3.5 million years ago, the diet of our very early ancestors in central Africa is likely to have consisted mainly of tropical grasses and sedges.
(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.
The findings have implications for some of our earliest possible ancestors, including the 3.5 million-year-old species Australopithecus afarensis, thought by many scientists to be the first known possible human predecessor to have forsaken arboreal life in the trees and live a life walking upright (bipedalism) on the ground.
The findings are published in the early online edition of Proceedings of the National Academy of Sciences.
An international research team extracted information from the fossilised teeth of three Australopithecus bahrelghazali individuals -- the first early hominins excavated at two sites in Chad.
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".Tags: Adult Dating, affair dating, sex dating