If you scroll through social media lately, you’ve probably noticed something twinkling in the background of countless posts: ...

Hidden layers of colour in the plumage of tanagers and some other songbirds explain what makes them so eye-catching ...

The illusion works very similarly when you convert all of the colors to grayscale. In fact, "White's illusion," in isolation, refers to the perceived changes in the lightness of a shape ...

Red light, however, does not trigger pupil contraction as much as other colors of light, making a red flashlight ideal for enjoying the night landscape. Light-sensitive cells in the retina at the ...

A red spinning light simply means that you are about to reset the HomePod to factory settings. This is something you should do before selling or giving away a HomePod.

Exposure to deep red or near-infrared light can improve the function of the eye’s mitochondria, the powerhouses in cells, resulting in slight but lasting improvement to declining eyesight ...

In the early days of personal computing—think UNIX early—text was often white or green on a black screen. That didn't last long, of course, but there's a ...