This is often called night mode or dark mode. It changes the background from white to black. Install blue light-filtering apps on smartphones, tablets, and computer screens. They filter a lot of ...

Many early word processor machines (yes, there were dedicated machines for what you can now do on Microsoft Word) also allowed for typing white text on a black background. All this changed in the ...

Your smartphone -- along with tablets, laptops, and TV screens -- gives off blue light. Certain waves of blue light in varying degrees of strength may be shown to cause changes in your skin ...

But scientists have observed a free-living mushroom coral, Cycloseris cyclolites, actively “walking” toward blue light waves in a way that’s reminiscent of the pulsed swimming motion of ...