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 against an irritant such ... Nacre can form naturally around almost any irritant that gets inside the shell, creating some ...

A Thai woman discovered one of the world’s most precious Melo pearls inside a clam she bought at ... a 1.3cm pearl while eating boiled oysters in 2022.