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Why are we like this? (Ep 95)

Big Biology

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The Evolution of Hair Patterns

Our idea of hair as an adaptation doesn't necessarily explain differences between modern populations. Outside of Africa, you don't really see other than melanesians and a couple of those Southeast Asian populations tightly coiled hair on the order of what is possible. The exception to that seems to be the evolution of thicker hair fibers in East Asia. And again, like I said before, can't always distinguish thickness from straightness.

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