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If size of brains were any measure of IQ, elephants and whales would be the smartest animals on this planet. Brains consume a lot of resources, so evolution ha
by ivan_gammel 5y ago
If size of brains were any measure of IQ, elephants and whales would be the smartest animals on this planet.
Brains consume a lot of resources, so evolution had to optimize their efficiency. They need energy, they need cooling, they need removal of waste, they must deliver signals faster - all those things are pushing for miniaturization.