What does chlorophyll do?

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STANDING in the forest at 11 p.m. on a Scottish island, I feel like I’ve gone through the looking glass. The grass is purple, the trees look like they’re sheeted in aluminium, the leaves are red and t

They might not be especially striking to look at–if you can see them at all–but seeds are among the natural world’s most awe-inspiring marvels, says John Lewis-Stempel

While the natural world is bursting with colour, some hues are much rarer than others. This is because of a combination of two factors: evolution and physics. Evolution selects colours that help anima

Peter Dench considers...