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Latest Joseph Ortiz Stories

2011-02-24 15:34:19

A group of researchers have studied the history of drought in the Pacific Northwest during the last 6,000 years, a time that spans the mid-Holocene geological epoch to the present.

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2010-12-03 09:51:30

Better understanding of the long-term history of El Nino will help enhance short-term prediction of this global climate phenomenon and help mitigate associated natural disasters.


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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