hominid devel‐ opment toward greater cerebration, it will analyze the increasing sexual dimorphism of hominids, both externally—at bicep and pelvis—and in‐ ternally—in the left and right hemispheres of the brain. With the ever‐ greater vulnerability of our ever‐more complex, neuron‐incubating offspring, human males and females developed ever‐diverging bodies and ever‐differing social roles, relative to our primate kin, that in hunter‐ gatherer societies became codified as “gender roles.” The nature of…
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