As tempting as it may be to imagine spear-wielding Stone Age hunters squaring off against saber-toothed tigers, both parties were most likely too smart, too specialized, and too pragmatic by then to bother with each other. That said, predation has been a recurring theme throughout our shared time on this planet, and the need to manage this threat, along with hunger, thirst, climate, competition, and the perils of overland travel, has impelled us toward our current state. Members of the evolutionary subtribe Hominina, from whom we directly descend, have been differentiated from chimpanzees for
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