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General News Archive - December 26, 2007

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By LOUISE CHU SAN FRANCISCO - Investigators trying to determine how a tiger escaped its enclosure at the San Francisco Zoo - killing one visitor and mauling two others on Christmas - planned a thorough sweep of the zoo grounds Wednesday to look for clues.

Word of the Day
aphotic
  • Having no light.
  • Of or relating to the region of a body of water that is not reached by sunlight and in which photosynthesis is unable to occur.
The word 'aphotic' comes from Greek roots meaning 'without' and 'light'.
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