The changes in human heads were not driven by a changing brain, researchers say. It was the human face that changed.
Brains are not simple, so many “just common sense” theories have fallen by the wayside.
The researchers were interested in a nerve tract that connects the frontal and temporal lobes of the brain, the arcuate fasciculus.
These AI champions are appealing to the Software of the Gaps, a secular cousin of the God of the Gaps.
Our brains have actually shrunk by 10 percent over the last 40,000 years, coinciding with spectacular intellectual achievements.