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Latest Climatic Change Stories

2012-02-06 20:39:34

Public concern about climate change has varied widely over the past few decades.

2010-01-12 19:20:26

New study argues climate change was not responsible for the Agricultural Revolution.


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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