Chameleons' remarkable color changes are not for camouflage but a sophisticated biological trick. Their skin cells, called iridophores, manipulate light reflection, allowing them to express emotions, ...

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?

Chameleons change color by contracting and relaxing certain cells in their skin that contain either crystals or pigments. The crystals are colorless or slightly yellow, but by lining them up in a ...

Chameleons, famous for shifting colors to blend into their natural surroundings to avoid predators, may also be using their chromatic superpowers for a totally different reason: To win fights. This ...

Chameleons are celebrated for their incredible ability to change color at will. Due to specialized cells in their skin, they can adapt their coloring to absorb heat, reflect sunlight, and communicate ...

Have you ever wondered how chameleons change colour? And can they do this while they’re asleep? What about if they are able to dream? Does their dream flash across their bodies in reds, turquoises and ...

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 ...