The Shocking Truth About Pearls | How They Really Form

Pearls are often seen as symbols of beauty, luxury, and romance.
But their real origin is far more surprising.

Most people believe pearls form from grains of sand. In reality, pearls usually form when an oyster protects itself from a foreign organic intruder by coating it with layers of nacre.

This fascinating biological defense mechanism turns a microscopic threat into one of nature’s most beautiful creations.

Watch to learn how pearls really form—and why nature is smarter than we think.