Learn why octopuses change color, how fast they can blend into their surroundings, and how the creatures can change into ...

A robot modeled on a chameleon and developed by South Korean researchers can change colors to match its surroundings. Like real chameleons, the robo-chameleon collects information from its environment ...

You can change the background to anything you like if you're using Powerpoint to create presentations: a picture, a color, a gradient, or even an in-motion video. You'll know the best background for ...

Be it getting rid of unwanted objects in the background, changing the background color, or swapping the background itself, there will be times when you’ll want to remove the background from an image.

Octopuses can flip from mottled rock to smooth sand in less time than it takes a human to blink, yet their eyes carry only a single visual pigment that should make them functionally colorblind. The ...