Cultured saltwater pearls from Japan have now met their match ... appeared trivial. Immediately dubbed "Rice Krispies," the oddly shaped material with a crinkly surface dyed any number of "pop ...

Natural versus cultured. Natural pearls are hard to find. They're rare, and this makes them worth more money. But let's rewind for a second. What is a natural pearl, and how are they formed?

Now we see pearls almost as accessories, relatively inexpensive decorations to accompany more costly gemstones. Before the creation of cultured pearls in the early 1900s, natural pearls were so ...

An curved arrow pointing right. South Sea pearls are the largest cultured-pearl variety, sometimes reaching over 20 millimeters in diameter. The Pinctada maxima oyster can take up to five years to ...

Scientists from Korea have created a new recipe wherein they have grown animal muscle (beef) inside grains of rice and they are calling it cultured beef rice. The researchers plan to commercialize ...