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Colors in nature

The golden tortoise beetle. Photography: Charles Lam.

The golden beetle

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Each bone in the picture is a single cell in the skin of a squid, the color changes according to the thickness of a unique layer on the cell wall. The black spot is the cell nucleus. Photo: University of California at Santa Barbara

The mechanism behind the ability of squids and octopuses to change their color has been discovered

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The world in the eyes of the wood bee. Photo: Helga Heilmann/BEE Group Wuerzburg

The wood bee sees 5 times faster than humans

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wood bee From Wikipedia

The sage prefers aggressive marketing, the mustard spends little on advertising

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