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.
Source: http://www.cosmosmagazine.com/news/6173/early-humans-used-stone-spear-points-500000-years-ago
Ashley Greene Ashley Olsen Ashley Scott Ashley Tappin Ashley Tisdale Asia Argento Aubrey ODay Audrina Patridge
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