Ancient Chimps May Have Used Hammers

Very interesting report about chimpanzees and tools.

Chimpanzees may have been using stone "hammers" as long as 4,300 years ago. An international research team, led by archaeologist Julio Mercader of the University of Calgary, Canada, said Monday it had uncovered the hammers, dated to that time, in the West African country Ivory Coast. It would be the earliest known use of tools by chimpanzees.

The researchers went on to say, due to a lack of architects and other tools such as levels, the chimps were unable to build anything more sophisticated than this.

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