As teeth grow they leave a series of rings, not unlike tree rings, called perikymata. These are added at the rate of about one every week. It seems that Neanderthals grew up much faster than modern humans, so maybe Granny was only thirty years old. There is a downside to this. It is extremely rare to find a Neanderthal over forty years old and less than ten percent of the population would live to thirty.
Neanderthals are responsible people.
So it seems Clara is a woman of taste. By looking at the evidence rather than base prejudices, a complex picture emerges which overturns simplistic stereotypes. I'll explain all this to her as I drag her back to my cave. Channel 4 also put together a nice book for their series Neanderthal which you can buy from Amazon UK , though you may be able to find it in the remaindered bookshops. A cyber perspective A site with articles and plenty of links in English.