http://news.discovery.com/human/human-ancestor-australopithecus-sediba.html
A new species of human ancestor discovered in the South African series of Sterkfontein caves and who lived circa 1.95 million years ago; they had smallish teeth and walked upright, smaller brains (about a third of - ) and longer arms than ‘modern man’. Interesting too is that the 500 caves in the area of Sterkfontein (Cradle of Humankind World Heritage Site) were to be found by Google Earth.
http://scitech.blogs.cnn.com/2010/04/08/using-satellites-to-find-skeletons/?hpt=Sbin
Truly new technology aiding discovery of that which we, up to now, did not even know existed (under our noses so to speak) and providing more pieces to the puzzle of human evolution.
From the pelvis it can be determined that they walked upright. Could they talk? No, and we know that from the size of the entry from the spinal court into the brain. Too small to contain the bundle of nerves that is necessary for speech. Maybe just as well!
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