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How do chamaleons change colour?

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An article about about why chamaleons change colour

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How do chamaleons change colour?Version en ligne

An article about about why chamaleons change colour

par Rafael Crego Herrera
1

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Scientists may have finally unlocked the mystery chameleons' unique ability to change color .

The is that the reptile's skin is made of tiny mirror - like crystals , contained reflective pigment cells called iridophores . That's to a new study published in the journal Nature Communications .

When the chameleon gets , or anticipates danger , the iridophores expand contract to enable the crystals to reflect different levels of light , thereby its skin color .

The researchers used a of microscopy , high - resolution videography and color - based numerical modeling arrive at this discovery .

" When the skin is in the state , the nanocrystals in the iridophore cells are very close to each other ? , the cells specifically reflect short wavelengths , as blue , " Michel Milinkovitch , a professor of genetics and evolution at the University of Geneva in Switzerland and the lead author of the study , told Live Science .

Milinkovitch further explained that , when excited , the nanocrystals spread apart to reflect longer wavelengths yellow , red and orange , which combine with blue to different hues .

If any of those hues is white , gold , black , or blue , we just have chameleons the Internet soo n

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