What's inside a clam? A retractable foot, a siphon for sucking up water, powerful muscles, and, sometimes, a pearl. And you thought oysters were fancy. Following is the transcript of the video.

Pearls are made by marine oysters and freshwater mussels as a natural defence ... Nacre can form naturally around almost any irritant that gets inside the shell, creating some very unique and precious ...

RALEIGH, N.C. (WTVD) – A woman in North Carolina was dining on oysters with her daughter when she lucked out and found a pearl. Freda Bryant was at Full Moon Oyster Bar in Morrisville when it ...

Pearls are the result of a mollusc's reaction to irritants ... These translucent animals are known to swim inside clams and oysters to hide from predators. However, for the individual that concealed ...