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Boring History for Sleep · Mar 1, 2026
How Humans Became White: Climate, Migration, and Adaptation 🌍 | Boring History for Sleep
“19th century German biologist who described Bergman's Rule: larger body sizes in colder climates due to surface area-to-volume ratios”
Vitamin D synthesis and UV radiation exposureMelanin production and folate protectionNatural selection and evolutionary adaptation
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