Since intelligence is highly beneficial in any environment, the mutation would spread throughout our population.
Pah! Someone should look at the energy and nutrient demands of a running brain, compare with paleolithic calorie and nutrient sources—and then reconsider this point.
Pah! Someone should look at the energy and nutrient demands of a running brain, compare with paleolithic calorie and nutrient sources—and then reconsider this point.
A side effect of increased nutritional requirements falls under my objection 4.