Like something out of “Repo! The Genetic Opera,” scientists have managed to grow human-like teeth in a lab — and implant them inside a miniature pig’s mouth, in a harbinger of weird new frontiers for ...

Many of us will lose an adult tooth in our lifetimes, whether through disease or misadventure – a punch that landed, a skateboarding trick that didn’t, say. And if you join these ranks, which include ...