Neanderthals' distinctive face shape explained
By Liam Proud
First published 7 December 2015
Study reveals how Neanderthal faces changed throughout their lives to develop their characteristic protruding shape. Compared to the rest of the human family tree, it turns out that we - Homo sapiens - are the unusual ones.
Neanderthals' upper jawbones continued growing forwards for years after they were born, explaining the distinctive protruding face shape of this extinct human species.
http://www.nhm.ac.uk/discover/news/2015/december/neanderthals-distinctive-face-shape-explained.html