Plastics are one of the largest sources of pollution on Earth, lasting for years on land or in water. But a new type of ...

My mom’s experience with the Color Wow, on the other hand, was major. Within seconds, her bright-gray roots were completely and totally concealed, with no evidence that they ever existed.

In chameleons, these cells change color as pigment moves around in them, but cephalopods can actually change the shape of the cells themselves, triggering lightning-fast color shifts.

Xia said that anyone can dye clothing using the color-changing pigment added to the synthetic fabric used in her prototype hat. “You can actually dye your garment, a regular garment, with the ...