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2011-01-25 11:26:13

Careful dating of new dinosaur fossils and volcanic ash around them by researchers from UC Davis and UC Berkeley casts doubt on the idea that dinosaurs appeared and opportunistically replaced other animals.


Word of the Day
sipe
  • a slit in a tire to drain away surface water and improve traction.
The word 'sipe' comes from Old English and is related to 'seep'.
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