• Question: why is the brain all knobbly?

    Asked by mac "n" cheese to Robert on 14 Nov 2015.
    • Photo: Robert Lees

      Robert Lees answered on 14 Nov 2015:

      I didn’t really know the reason why the brain is all knobbly – apparently it is because as we evolved, our brains grew larger, the outer layer grew faster and so folded because of this to increase surface area.

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