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 ...

Only oysters of the Ostreidae family can make pearls, but many other types of mollusks can produce these gems, such as ...

We may receive a commission on purchases made from links. Boba pearls are not a particularly new innovation. You can find them at your nearest Starbucks, and big cities like San Francisco are ...