New research suggests pre-Homo human ancestral species used human-like hand postures much earlier than was previously thought. Hand precision grip - Example of a human forceful precision grip, grasping a Australopithecus africanus first metacarpal of the thumb (3-2 million years old) Picture by Tracy Kivell & Matthew Skinner. University anthropologists, working with colleagues from University College London , the Max Planck Institute for Evolutionary Anthropology in Leipzig (Germany) and theVienna University of Technology (Austria), have produced the first research findings to support archaeological evidence for stone tool use among fossil australopiths 3-2 million years ago. The distinctly human ability for forceful precision (e.g.
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