Imagine being able to change your colour to disappear into the background, signal your feelings, or regulate your body temperature. Sounds like science fiction, right? But in the animal kingdom, this ...

Mood rings have been around for decades, and even though they were once seen as a quirky trend, there’s actually some real science behind how they change colour. They don’t read your thoughts or tap ...

Imagine wearing a shirt that turns from deep blue to bright red when you’re working out, or a dress that shifts from black to silver as you move from air conditioning into summer heat. The fabric that ...

Blue sharks possess a secret hidden in their skin: a sophisticated arrangement of microscopic crystals and pigments that create their brilliant blue appearance — and may allow them to change color.