Human ancestors were making stone-tipped weapons 500,000 years ago at Kathu Pan 1, an archaeological site in South Africa.  The revelation pushes back the date for manufactured weapons another 200,000 years

Attaching stone points to spears – hafting – was an important advance in hunting for our early ancestors. Though hafted tools require a great deal of effort to manufacture, a sharp stone point on the end of a spear can increase its killing power and that shows strategic foresight.


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