How Chameleons Change Their Color

how-chameleons-change-color

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

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

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

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

Click here to read more.

SOURCE: TIME, Rishi Iyengar

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