Researchers at the University of Hong Kong (HKU) have designed an innovative pixelated, soft, color-changing system called a Morphable Concavity Array (MoCA). Pixelated, soft, color-changing systems ...

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 ...

We eat and drink with our eyes, so when you see the vibrant butterfly pea flower tea, you'll certainly want to take a sip. This unique flower, native to Southeast Asia, changes from a deep blue to ...