>Dr. Hublin and his colleagues used a method called thermoluminescence to calculate how much time had passed since the blades were burned. They estimated that the blades were roughly 300,000 years old. The skulls, discovered in the same rock layer, must have been the same age.
>Despite the age of the teeth and jaws, anatomical details showed they nevertheless belonged to Homo sapiens, not to another hominin group, such as the Neanderthals.
Sauce: http://archive.is/DZJQ3