Cat lurking
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March 19, 2009
What problems was evolution solving when upright walking, the use of tools and the control of fire came about? The program also makes a dramatic point: all humans alive today can, in all probability, trace their ancestry back to a single woman, living in Africa around 200,000 years ago.
March 19, 2009
What problems was evolution solving when upright walking, the use of tools and the control of fire came about? The program also makes a dramatic point: all humans alive today can, in all probability, trace their ancestry back to a single woman, living in Africa around 200,000 years ago.

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