A rare burial in China has revealed a woman with cinnabar-stained teeth, offering insights into Silk Road-era customs.

So what are these long, sharp teeth doing among our short ... Human men today have 10% longer canines than women, and this difference isn't unique to our species. Our close relatives, gorillas ...

So what are these long, sharp teeth doing among our short ... Human men today have 10% longer canines than women, and this difference isn't unique to our species. Our close relatives, gorillas ...