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Latest L. Paul Knauth Stories

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2009-07-09 06:00:00

The Earth has experienced many turning points over its 4.5-billion-year history, such as periods of extreme temperature changes, asteroids and the arrival and disappearance of various life forms.


Word of the Day
onomatope
  • An imitative word; an onomatopoetic word.
The word 'onomatope' is a back-formation from 'onomatopoeia'.
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