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, ...

The oceans of today look different from the oceans of 20 years ago, researchers found in a new study. Around 56% of the world's oceans have changed color, with the blue waters becoming greener over ...

Among color-changing sea creatures, the ability to flash from one hue to another more typically comes in handy for evading predators rather than hunting prey. But the striped marlin, new research ...

Acids and bases are classes of materials that have different properties. Acid-base indicators change color depending on whether they are in acids or bases. Blueberries contain a substance called ...

Imagine if there were inexpensive 3D-printed sensors that changed color to show us if something had gotten too warm or was subjected to too much stress. Well, there soon could be – and they'll ...