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New Hints Into Human Ancestry Could Lead To Rethink The 'Out Of Africa' Theory
2012-12-14 12:04:20

Research and excavations in southern Tanzania could lead to a rethinking of the ‘Out of Africa’ narrative that describes the human diaspora around the globe.


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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