Two samples of carbon crystals, which are clear and give off a kaleidoscope of spectral colours under direct sunlight, may ...

You're rummaging through the cabinets at an estate sale, and you come across a set of 12 beautifully etched wine glasses. They're priced to sell, but do you really need another set of wine glasses?

One longstanding problem has sidelined life-saving drugs, stalled next-generation batteries, and kept archaeologists from identifying the origins of ancient artifacts. For more than 100 years, ...