Exposure to types of mold — like cladosporium and stachybotrys chartarum ... sidewalks, siding or wood decking. The best way to treat mold outdoors will depend on the surface you're treating.

I write about the world of biology. Cladosporium sphaerospermum is a remarkable species of radiotrophic fungus that is thriving in the ... [+] Chernobyl Exclusion Zone and which scientists are ...