Viruses are hurting Japan's pearl oysters. Now scientists are working to figure out how to make the oysters more resilient. By Laura Baisas Published Nov 10, 2022 10: ...

For at least 164,000 years, oysters have been part of the human diet, but people have been finding pearls in oysters for much longer — as early as 2300 BC when Chinese royalty received them as gifts.