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Evolutionary biologists have long pondered the phenomenon of the changing colours of autumn leaves. It’s possible that the red pigments are manufactured in the leaf as a side-effect of something else that’s happening at this time.
Evolutionary biologists have long pondered the phenomenon of the changing colours of autumn leaves. It’s possible that the red pigments are manufactured in the leaf as a side-effect of something else that’s happening at this time.
Alice Roberts
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