Nature’s fake rhapsody in blue

Among the many fascinating details about the animal kingdom, is the rarity of the colour blue. Fewer than 1% of creatures, which are perceived to be blue, actually are that colour. Nature uses physics to deceive us.

This is because while animals can produce many hues of pigment, blue is a problem… To appear blue, most creatures will have to rely on physical structures to scatter light and cancel other colours.

Why is blue in the natural world so rare? It isn’t yet clear, but what is certain is that, on this planet, everywhere you look, beautiful illusions abound…

View the original video here.

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