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Latest Timothy Shanahan Stories

569ae776999013a131a8d80f2cb13bc01
2009-04-17 07:15:00

The kinds of devastating droughts that claimed the lives of more than 100,000 people in Africa’s Sahel region in the 1960’s and 70’s may represent a normal natural occurrence rather than an anomaly, according to new research.


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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