Wired Wires
Sunday, December 20, 2020
Facial Hair Is Biologically Useless. Why Do Humans Have It?
Pubes protect you; head hair keeps you warm. But beards and mustaches seem to exist for mainly ornamental reasons.
source
https://www.wired.com/story/facial-hair-is-biologically-useless-so-why-do-humans-have-it
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