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Latest Peter J. Wagner Stories

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2006-11-27 09:45:00

The earth experienced its biggest mass extinction about 250 million years ago, an event that wiped out an estimated 95% of marine species and 70% of land species. New research shows that this mass extinction fundamentally changed the basic ecology of the world's oceans.


Word of the Day
plim
  • To swell, as grain or wood with water.
The word 'plim' is probably a variant of the word 'plum'.
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