Our Eight Great Contests
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Humanity has seen four great eras so far: animal, forager, farmer, and industry. And each era had two key levels of evolutionary competition: individual and group. This makes for eight great contests that have shaped our world.During the ~500Myr year era of animals, max brains doubled roughly in ~40Myr, which was also roughly the typical cycleperiod of biodiversity and mass extinctions. Most animals lived in families of ~6, and had two key contests: competition between organisms specified by DNA
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