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Published online 8 March 2001 | Nature | doi:10.1038/news010315-11
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Hungry primates see red
A taste for red leaves may have given us full colour vision.
Manchester United fans can follow their players' red jerseys on a green football pitch probably thanks to hungry primates. The three-colour -- 'trichromatic' -- vision that allows us to tell red from green, may have helped our primate ancestors select the most tender, tasty leaves in the jungle, research from the University of Hong Kong suggests.
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