Add Yahoo as a preferred source to see more of our stories on Google. Octopuses are renowned for their instant color-changing abilities, a skill they use to outwit predators and surprise prey. Yet, ...

Piezofluorochromism, the phenomenon of materials reversibly changing their fluorescent color when pressure is applied, is ...

When you think of color-change artists of the animal world, you probably think chameleons, but these other cool beasts can change color, too. This cephalopod—that means big-headed, tentacled ...

The mineral hackmanite turns purple under UV irradiation, and the color fades back to white in a few minutes under regular white light. While investigating hackmanite, researchers found that it can ...

Most of us have seen a mood ring in our lifetimes. Depending on your body temperature, the ring would change colors. It seemed like magic back then, but as an adult you may have learned that there are ...

The colors in a photograph convey a mood, but the existing colors in an image don’t always jive with the rest of the image or give you the mood that you’re looking for. Maybe that neon outfit is ...

Color change in animals is a response shaped by evolution. Each species has developed its own method and reason for this ability, like an overreliance on light or temperature cues, or a physiological ...