Chameleons are famous for their ability to change color, but they don’t do it simply to blend into whatever background they’re sitting on. Instead, their color shifts are controlled by special pigment ...

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 ...