Putting bigger brains down to our social nature is half-baked
Decent food gave you brainsPhil Yeomans/REX/ShutterstockBy Richard WranghamIn the past two million years, humans have experienced a massive increase in brain size, one not seen in any other species. This rapid evolution gave us brains roughly triple the volume of those of our pre-human ancestors. But the intelligence we enjoy as a result would seem...
I regard the brain as a computer which will stop working when its component fail. There is no heaven or afterlife for broken-down computers. That is a fairy story for people afraid of the dark