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   DMD Eh? Forum Moderator

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   http://www.newscientist.com/article...ay-be-weakened-by-pollution.html#.VMjYU9JvAa9
   
   Love the picture, given the topic.
   
   

   please log in to view this image

    

   #1

   DMD, Jan 28, 2015

   Happy Tiger, Kempton and moonraker like this.

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