(December 1, 2018 at 10:56 pm)ignoramus Wrote: question to all.
We came out of the water, developed 4 legs for mobility, then only used 2 as we stood up.
Why couldn't we develop a bigger brain whilst running faster on 4 limbs? Too run away faster? (An evolutionary advantage.)
You can only be as intelligent as your environment allows. There is a limit to how intelligent you can be with only 4 legs and no opposable digits.