Among the fossils, researchers found 14 million - year-old bones termed teeth whorls with several teeth growing on them. Zhu stated they are the earliest concrete evidence of jaws to date.

Over the years, scientists have made false teeth from a variety of materials over the years - animal bone, wood and even gold. However a group of Chinese scientists have reported that they have ...

The teeth have been dated as at least 80,000 years old -- perhaps even older. The problem with that is that most researchers believe humans only left Africa for the first time around 60,000 years ago.