Photo: Ancient Weapons Point to First Use of Fire for Tools?



Archaeologist Kyle Brown (top) shapes heat-treated stone into replicas of ancient weapons (bottom) in undated pictures.

In South Africa, Brown and colleagues recently discovered arrowheads and other fire-treated artifacts that suggest humans were using fire in toolmaking some 50,000 years earlier than previously thought, an August 2009 study says.

Photographs courtesy Science/AAAS


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