Interestingly, this improved extraction method has created an unexpected challenge: a glut of giant diamonds too large for typical jewelry use. The glut hasn't been helped by automation in the diamond ...

Diamonds, among the hardest materials in the world, are formed from millions of years of geological pressure and must be extracted from mines deep in the earth. But stones with the same chemical ...

After decades of debate, researchers say that they have found the clearest evidence yet for this rare form of carbon ...

One of the most amazing uses of marketing ever, they created an artificial tradition by putting it in movies and advertising it while constraining supply. Before middle 20th century it wasn't a ...