I read years ago that scientist’s had concluded that, genetically, there is but one human race. The differences in our phenotype are caused by the climate or our given geography. Nordic people have evolved to white skin since they had no need to protect themselves against the heat from the sun. Softer hair because the brain area needs to keep warm. Smaller nostrils to control the intake of cold air and preserve body heat.

The humans with black skin phenotype live in hot tropical geographies. The darkness of skin protects the body from the burning sun rays. The curl in their hair helps ventilate the brain area. The wider nostrils allow for better ventilation. I wish I could recall the timespan these scientists determined it would take a black person to become white and and a white person to become black. I love science.

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Categories: Brainiack

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