How do chameleons change color? [Veritasium]

Today, Derek Muller, author of the Veritasium channel, will talk about a study conducted by a joint team of physicists and biologists at the University of Geneva, showing that chameleons can customize nanocrystals in their skin cells to change their color.

And how exactly this happens, look at the new voice acting from Vert Dider!
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