The real revelation, however, came from the men. Men considered a larger penis as an indicator of a rival with both greater ...
“While the human penis functions primarily to transfer sperm, our result suggests its unusual large size evolved as a sexual ...
Among primates, the human penis is an evolutionary outlier. Controlling for body size, humans have greater girth and generally longer penises than chimpanzees, gorillas, or orangutans. Unlike our ...
Size matters” sounds like a tabloid cliché, but for evolutionary biologists the size of the human penis is truly a puzzle. Compared to other great apes, such as chimpanzees and go ...
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