Re: Intellectual Abundance
Smarter = better use of tools = better chance of survival and reproduction. As far as the really complicated stuff goes (i.e. theoretical physics, advanced mathematics, etc) this is just a direct consequence of the larger and more efficient brain. Also, our intelligence allows us to create better healthcare and medicines, giving us longer lifespans and, more importantly, vastly greater health. Also, let's not forget the advancement of agriculture and industry. These both lead to a much larger ceiling for population growth, leading to greater dispersal of genes. All of these things are consequences of our larger brains.
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