A new synthetic molecule switches between emitting green and blue light after application of a solvent or mild heat. The ...

Physicists and vision scientists are lining up behind a provocative claim: the rich color we call purple is not a property of light at all, but a story the brain tells itself. Light in the real world ...

A new shape-shifting material can change both its texture and color in seconds, inspired by the camouflage abilities of ...

🛍️ Amazon Big Spring Sale: 100+ editor-approved deals worth buying right now 🛍️ By Sarah Lindenfeld Hall Published May 31, 2025 8:01 AM EDT Add Popular Science (opens in a new tab) Adding us as a ...

You're introduced to someone and your attention catches on their eyes. They might be a rich, earthy brown, a pale blue, or the rare green that shifts with every flicker of light. Eyes have a way of ...

Butterfly wings get their color in ways that almost feel impossible. Up close, each wing is made of countless tiny scales that either hold pigment or manipulate light. The oranges, reds, and browns ...