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           Plankton Poop May Help Scientists Predict Climate Changes

   by George Putic

   Scientists trying to predict future changes in our climate are using
   every possible source of data to make their calculations. Lately, they
   have learned that one of the most sensitive instruments could be
   floating right in front of them - tiny clumps of organic matter that
   drift in the ocean. VOA's George Putic has more
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   [1]http://www.voanews.com/media/video/3024928.html

References

   1. http://www.voanews.com/media/video/3024928.html