Mother-of-pearl is the hard, silvery, internal layer of several kinds of shells, especially oysters, the large varieties of which in the Indian Seas secrete this coat of sufficient thickness to ...

This creates a material called nacre, also known as mother-of-pearl, which encases the irritant and protects the mollusc from it. When pearls are cultured commercially an irritant is manually inserted ...

With only a matter of days now until WrestleMania 41, last night's go-home edition of WWE Raw ended in explosive fashion as fans were treated to a call-back to one of the most infamous moments in ...