Nuts! That showy male is making up for small balls

Swiss and Australian scientists have spent months measuring primate testicles to answer the age-old question: is that monkey (or human) compensating for something?

Well, they found that, yes, it’s rare for primates to be both well-endowed (testicularly, of course) and have the badges of status that attract females.

But the big question is: how does this apply to humans?

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