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Latest William "Monty" Graham Stories

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2010-11-08 12:15:00

Scientists have tracked how certain nontoxic elements of oil from the BP spill quickly entered the food web in the Gulf of Mexico.


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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