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Early African Homo Sapiens Were First Technologically Advanced People
2012-12-06 12:56:14

Scientists have searched for the origin of modern human behavior and technological advancement among our early African ancestors for a long time.


Word of the Day
pawl
  • A pivoted catch designed to fall into a notch on a ratchet wheel so as to allow movement in only one direction (e.g. on a windlass or in a clock mechanism), or alternatively to move the wheel in one direction.
The word 'pawl' probably comes from a Latin word meaning 'stake'.
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