Discovery Moves Use of Stone Tools Back 800,000 Years

Title: Discovery Moves Use of Stone Tools Back 800,000 Years
Category: Health News
Created: 8/11/2010 2:07:00 PM
Last Editorial Review: 8/12/2010 12:00:00 AM

Source: http://www.medicinenet.com/guide.asp?s=rss&k=WeeklyHealth&a=118841

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