Native American artisans create molds from cuttlebone and tufa stone to cast metal jewelry. Anthony Lovato works with tufa stone molds to create jewelry at his studio in Santo Domingo Pueblo, N.M ...

Mold — a fungi — can begin to grow in a home 24 to 48 hours after water exposure. Mold is a natural part of the environment, but it is a health problem indoors, said Jae Williams, the director ...