We’ve always been told that if you watch a chameleon closely behind any background, it flickers its colors and slips into invisibility mode. But boy, have we been wrong all along! Those mesmerizing ...

What a great question, Ikechukwu! It doesn’t have a simple answer, though: yes, chameleons do change color when they sleep, but we think it happens in a different way to when they’re awake. People ...

Inspired by the wondrous reptile known as the chameleon, engineers at the Wuhan University in China designed a 3D-printed robot that’s able to change its color to match its surroundings. The idea ...