Gold, a colour that oozes glamour, no? Whether you go in for delicate detail on your nails, or bling that blinds passers-by, there’s a gold texture and style that will suit every nail shape and ...

Look for hallmarks. All authentic gold bars and coins have a hallmark stamp that indicates their purity. This stamp is a guarantee from a reputable manufacturer that the gold is 100% pure.

Au(111) surface, the most stable gold surface, has a periodic herringbone texture on it that can be observed by sophisticated microscopes. A long-term puzzle is why this strange herringbone forms ...