- Primate males that have evolved "showy" traits (large cheek pads, red faces) have smaller testicles than those that are plainer-looking. Scientists caution this does not mean that human males can shave to make their testicles bigger. https://www.inverse.com/article/54772-testicle-size-primate-reproductive-success 7 comments science
Linked pages
- Sexual ornaments but not weapons trade off against testes size in primates | Proceedings of the Royal Society B: Biological Sciences https://royalsocietypublishing.org/doi/10.1098/rspb.2018.2542 24 comments
- Why males with beards and long hair have the smallest testicles | Daily Mail Online https://www.dailymail.co.uk/sciencetech/article-6906809/why-men-beards-long-hair-smallest-testicles.html 22 comments
- Origin of Human Language Doesn't Have Roots in Chimp Vocalizations https://www.inverse.com/article/44628-origin-human-language-chimpanzee-vocalizations-new-study 7 comments
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