Why Is Blue So Rare In Nature?

Duh, except for the sky… and the ocean… ↓↓↓ More info and sources below ↓↓↓ Among living things, the color blue is oddly rare. Blue rocks, blue sky, blue water, sure. But blue animals? They are few and far between. And the ones that do make blue? They make it in some very strange and special ways...

8 min - Science & Tech - Be Smart

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