News of the WeekPaleoanthropology

Lucy's Toolkit? Old Bones May Show Earliest Evidence of Tool Use

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Science  13 Aug 2010:
Vol. 329, Issue 5993, pp. 738-739
DOI: 10.1126/science.329.5993.738-a

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Two nondescript scraps of animal bone that most fossil hunters would have left on the ground are being offered as the earliest known evidence for the first technological revolution in human evolution. A rib and a shaft of a thighbone bear "unambiguous evidence" of stone-tool marks made 3.4 million years ago by a member of the human family who used sharp stones to cut the meat off the bone and pound the bone open for marrow, according to a paper published this week.