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Why can't other apes grow long head hair?
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Why does your washing sometimes smell bad? What is the difference between forecast temperature and 'real feel'? Why can't other apes grow long head hair? What is the difference between a sprinter and a marathon runner? Why do Greenland sharks live so long? Can parrots see themselves in the mirror? Dr Chris Smith and Clarence Ford have all the answers... Like this podcast? Please help us by supporting the Naked Scientists