Bok
11-29-2012, 04:38 PM
The sky is full of microscopic life, some of which might even trigger rain or snow
More... (http://www.sciencenews.org/view/generic/id/346693/title/FOR_KIDS_The_high_life)
More... (http://www.sciencenews.org/view/generic/id/346693/title/FOR_KIDS_The_high_life)