Brain has found fossil evidence to support this in the caves of the Transvaal, and can roughly identify the moment when the same caves into which we were once dragged and consumed became the refuges from which we actively drove predators away. It took a new species to shift this balance of power, and it almost certainly occurred at the hands of our direct ancestor, Homo habilis. It is a transition that would have been thrilling, and agonizing, to witness. Brought about by larger brains, tools, and, eventually, fire, it would have profoundly altered the relationship between early humans and the
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