A great irony of pearl history is that the least expensive ... To reduce irritation, the mollusk coats the intruder with the same secretion it uses for shell-building, nacre.

The answer to today’s Wordle is … And here’s what it means, according to our good friend ChatGPT: A pearl is a hard, round ...

From the 1860s to the 1930s, natural pearls were the talk of town in Paris, as chronicled in a new exhibit running until June ...

The Alabama pearlshell mussel, a small, endangered mollusk found in a just a few creeks ... shine on its inside shell that resembles a pearl.

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 ...