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Science News Archive - May 13, 2006

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Fifty feet down in the cold waters of Smitty's Cove, a concrete paradise is being built for some of Alaska's most unusual creatures. It took less than 24 hours before some of them started checking out the new real estate - the state's first artificial reef.

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Construction on China's Three Gorges Dam is set to finish next week but its critics warn the lessons about the environmental consequences of the world's largest hydropower project have yet to be learned.

Word of the Day
siliqua
  • A Roman unit of weight, 1⁄1728 of a pound.
  • A weight of four grains used in weighing gold and precious stones; a carat.
  • In anatomy, a formation suggesting a husk or pod.
  • The lowest unit in the Roman coinage, the twenty-fourth part of a solidus.
  • A coin of base silver of the Gothic and Lombard kings of Italy.
'Siliqua' comes from a Latin word meaning 'a pod.'
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