Rachael has a degree in Zoology from the University of Southampton, and specializes in animal behavior, evolution, palaeontology, and the environment. Rachael has a degree in Zoology from the ...
A recently published study of over 100 primates, including humans, found that those with “showy” facial hair often had smaller testicles. This doesn’t mean that beards equal smaller balls, but it does ...
April 10 (UPI) --Primates with showy traits, big teeth or bright red chest markings, tend to have smaller testicles, according to a new study. Male primates are hyper-competitive, and no competition ...
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