The secret to chameleon color change: Tiny crystals, Science

Learn all about the chameleon's color-changing secrets

Chameleon's Color Change SiOWfa16: Science in Our World: Certainty and Controversy

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Crystal amaze: how a chameleon changes colour revealed, Animal behaviour

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Curious Kids: can chameleons change colour when they sleep?

The principle, fabrication and applications of chameleon-inspired

Is there a way I can nudge my veiled chameleon to change colors? - Quora

How chameleons change colours not to blend in, but for nearly opposite reasons

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