I call this the smart biped paradox: once you are an upright ape, all natural selection pressures should be in favour of retaining a small cranium. That’s because walking upright means having a narrower pelvis, capping babies’ head size, and a shorter digestive tract, making it harder to support big, energy-hungry brains. Clearly our big brains did evolve, but I think Darwin had the wrong mechanism. I believe it was technology. We were never fully biological entities. We are and always have been artificial apes.

Artificial Ape Man: How Technology Created Humans

– m1k3y sez mandatory reading

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