A retractable foot, a siphon for sucking up water, powerful muscles, and, sometimes, a pearl ... Like oysters and mussels, clams are bivalves, a kind of mollusk that's encased in a shell made ...

Nucleating an oyster. The Chinese have also ... Will they buy Chinese pearls if the roundest examples are nacre-coated shell beads instead? How will such new products be positioned in the market?

A natural pearl will form in an oyster when a foreign object, like a grain of sand, gets inside the shell. To protect itself, the oyster will coat the unwelcome visitor with layers of nacre ...

The Baysox are leaning into the situation for a good cause. “If we’re going to go viral, let’s make it count!” the team's ...

Pearls are made by marine oysters and freshwater mussels as a natural defence against an irritant such as a parasite entering their shell or damage to their fragile body. The oyster or mussel slowly ...

Natural pearls form when some kind of irritant, usually a small organism, makes its way into the shell of a mollusk like an oyster or a mussel. To protect itself from the invader, the mollusk ...

Watch Andreia Salvador, Curator of Marine Mollusca, take a look at one of the Museum's most extraordinary and precious pearls. Among the millions of bivalve molluscs in the Museum's collections, one ...

Most pearls come from oysters, which thrive in both freshwater and saltwater environments. Oysters are bivalves that means their shell is composed of two valves connected by an elastic ligament.

This file photo taken in May 2023 shows the pearls produced by oysters, scientifically known as Pinctada maxima, at the scientific research trial breeding project in Changjiang Li autonomous ...

Oyster shells are bulky and plain, but the treasures they hold go beyond their tasty meat and beautiful pearls. One company in Hong Kong is turning them into materials for constructing buildings.

This file photo taken on Nov 24, 2022 shows a Pinctada maxima shell and pearls at the scientific research trial breeding project in Changjiang Li autonomous county, South China's Hainan province.