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> it would have been biologically implausible for humans to evolve such a large brain on a raw, vegan diet Elephants evolved in the same environment, are veget
by whyenot 14y ago
> it would have been biologically implausible for humans to evolve such a large brain on a raw, vegan diet
Elephants evolved in the same environment, are vegetarians, don't cook their food, and have the largest brains of any land animal.
- herval 14y agoElephant's brains are proportionally smaller than human ones (so are whales', which are huge)...
- stickfigure 14y agoYet elephant brains have half the number of neurons as humans: http://en.wikipedia.org/wiki/List_of_animals_by_number_of_neurons http://en.wikipedia.org/wiki/List_of_animals_by_number_of_ne... Perhaps the caloric requirements of a brain are driven by the number of moving parts. The article suggested a "calories per neuron" metric.