The science of skin color - Angela Koine Flynn
Why the open web links it
Explains the biological and evolutionary reasons behind human skin color variation and its response to UV light.
Linked by 8 independent sites, 3 of them widely read in the 2026-10 crawl of the open web, including pressbooks.pub, weareteachers.com, bibalex.org, edutainment-ted.jp, flextalk.org.