Early humans used stone spear points 500,000 years ago

Early humans were already using stone tips to enhance the killing power of spears at least 500,000 years ago, some 200,000 years earlier than previously thought, anthropologists said.

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Source: http://www.cosmosmagazine.com/news/6173/early-humans-used-stone-spear-points-500000-years-ago

Emma Stone Emma Watson Emmanuelle Chriqui Emmanuelle Vaugier Emmy Rossum Erica Leerhsen Erika Christensen Estella Warren