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Stone age chimps were handy with a hammer.
Australasian Business Intelligence, February, 2007
Byline: Bob Holmes
Feb 20, 2007 (New Scientist - ABIX via COMTEX) -- Human beings and chimpanzees may have a common ancestor. Canadian researchers have found that around 4,000 years ago chimpanzees were using stone tools to smash nuts. Julio Mercader of the University of Calgary, Canada, found a variety of worked stone fragments at a 4300-year-old site in Tai National Park, Ivory Coast. Mercader believes that the possibility that chimpanzees used tools so long ago provides support for a hypothesis that chimpanzees and human beings have a common ancestor.
Publication Date: 17 February 2007
UNIVERSITY OF CALGARY
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