Skin Deep. Nina Jablonski's Theory of Race

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Description

Students of evolution understand that when our ancient African ancestors lost their body hair and ventured out onto the hot savannah, their skin became dark to protect against UV radiation, while subsequent migration away from the equator yielded paler people. But in 2000, Penn State University anthropologist Nina Jablonski proposed a startling new theory as to why human pigmentation is so diverse. In this program, Jablonski suggests that skin color evolved mainly to allow for the production of vitamin D and folic acid, both necessary for reproductive success. Focusing on groundbreaking research and personal accounts of scientists around the world, the film takes a fresh look at the interplay between environmental adaptation and human skin tones.