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Hair - what is it good for?
Why we have hair, and how hairstyles can change the way we are perceived. We are the most hairless of all the mammals, the so-called 'naked ape'. Theories are that we lost our hair to control parasitic infections.
Picture: Punk hairstyles Credit: Getty Images
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Hair—大象传媒 World Service Archive
From the reasons why animals and humans have hair, to what hair says about us.
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