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 ...

You’ve probably heard that chameleons change color to blend into their background in order to hide. But that might not actually be true. So what do they actually use this color-changing ability for?

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 ...