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Why Humans Have No Fur -- Explained
June 11, 2010 - Some people are more hairy than others, but humans, in general, have little fur. That may be partly because we evolved in a scorching hot climate. If our ancestors lived somewhere really hot, the theory goes, it would have made sense for us to lose body hair, start sweating more, become slender and even walk upright -- to create distance between our bodies and the hot ground. Read More
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