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Feb 2025
18m 46s

Where Did Curly Hair Come From? Biologic...

Scientific American
About this episode
It’s fairly strange that humans, unlike many other mammals, don’t have hair all over. Our lack of body hair and wide geographic distribution led to the variation of sun-protective melanin in our skin. For the hair that remains, why did some groups develop curls while others did not? Biological anthropologist Tina Lasisi takes host Rachel Feltman through her ... Show More
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