"A study of Neanderthal skulls suggests that they became extinct because they had larger eyes than our species".
As a result, more of their brains were devoted to seeing in the long, dark nights in Europe, at the expense of high-level processing.
By contrast, the larger frontal brain regions of Homo sapiens led to the fashioning of warmer clothes and the development larger social networks.
more:
http://www.bbc.co.uk...onment-21759233
.
Edited by seeder, 13 March 2013 - 01:23 PM.













