A pearl does not begin as something precious. It begins as a problem. Inside an oyster, a tiny particle slips in and settles ...

For at least 164,000 years, oysters have been part of the human diet, but people have been finding pearls in oysters for much ...

Pearl oysters are an important animal for farming in Japan as they produce the beautiful pearls, which are of economic value. But, in the last 20 years, a combination of different factors, such as ...