SCIENCE - EXPLAINED on Instagram: "Chameleons don’t change color to “blend in” the way most people think. Their color-shifting ability is actually a stunning mix of physics, biology, and emotion. Here’s how it really works: Chameleon skin contains special layers of cells called chromatophores Beneath them are iridophores, packed with nano-crystals These crystals reflect light at different wavelengths When a chameleon relaxes, the crystals are tightly packed → darker colors When excited, stressed