Bok
06-15-2011, 08:38 PM
Bacteria high in the sky could be causing rain, snow and hail
More... (http://www.sciencenews.org/view/generic/id/331316/title/FOR_KIDS_Germy_weather)
More... (http://www.sciencenews.org/view/generic/id/331316/title/FOR_KIDS_Germy_weather)