Joho the Blog » Daily (intermittent) Open-Ended Puzzle: Skull-brain evolution
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Daily (intermittent) Open-Ended Puzzle: Skull-brain evolution

While watching our local squirrel digging up the flowerpots on our porch, thinking about how much easier it would be for both of us if the stupid thing would just evolve a bigger brain, I got to thinking about how unpleasant the bigger-brain mutation would be if it didn’t come with a simultaneous bigger-skull mutation. But having both of those mutations occur at the same time seems to multiply the improbability, doesn’t it?

So, how’s it happen? Are the two sizes controlled by the same gene? Do skulls form around brains so brains don’t rattle around in them? Does it really take multiplicative random mutations? Or what?

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