Pink discoloration in bathroom caulk is caused by a living bacterium called Serratia marcescens, not soap or hard water staining. The warm, moist conditions most bathrooms create are precisely what ...

Recent studies suggest that animals and people alike have close and complex relationships with the bacteria around and within ...

Add Yahoo as a preferred source to see more of our stories on Google. Large parts of the Sunshine State have been fogged in for the last week. Is it a bioweapon attack on American soil? Fog is a ...