and it is claimed to work for both plaster of Paris used for crafts, and gypsum-based plasters used in construction. Vinegar's effectiveness when added to laundry has long been proven, but this is ...
A Roman-era cemetery, found ahead of a construction project in England, holds an unusual burial at its center.
Evidence points to the possibility that the coffin belonged to an important person, perhaps the head of a prominent family.
Gypsum, a natural mineral made largely of calcium sulfate dihydrate, has a variety of uses dating back centuries, from lining walls to serve as a fire retardant for Mesopotamians to a plaster ...