We rank the best PS3 games of all time. From The Last of Us and Uncharted 2 to Skyrim, GTA V, and Mass Effect 2, these ...
AllAfrica on MSN
Early humans relied on simple stone tools for 300,000 years in a changing East African landscape
Our prehistoric human ancestors relied on deliberately modified and sharpened stone tools as early as 3.3 million years ago.
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