Add Yahoo as a preferred source to see more of our stories on Google. It appears that De Beers has spotted the writing on the wall in an increasingly crowded lab-grown diamond market. The diamond ...

A simple finger test could help detect lung cancer, experts say. Dubbed the 'Schamroth window test' or 'diamond test,' the five-second trick lokos for clubbed fingernails, which is a telltale sign of ...