Arguably, meat eating also meant that less time could be spent gathering and more time thinking up new and crafty ways to catch pray such as sharpening spears and rock-launching devices. Real food for thought for those trying to diet, but I digress. The brain, incidentally, uses an incredible 20 times the amount of energy as typical muscle mass. This, in turn, allowed for our stomachs to shrink as ‘ we didn't need a giant vegetable processor anymore 1' (a sort of evolutionary, natural and slow equivalent of today's stomach stapling) that allowed for more energy to be channelled to building other organs such as the brain. This is posited to have happened because through eating meat humans were able to consume a lot more calories than the traditional raw plant-based diets of early gathering societies. Meat made us smarter! At least that is what the mainstream explanation has been for the development of larger brains in humans and our subsequent distancing from other earthly life-forms and eventual domination over our planet. Book Roast: “Catching Fire: How Cooking Made us Human”
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