Blue light has a powerful effect on your body clock, ... It changes the background from white to black. Install blue light-filtering apps on smartphones, tablets, and computer screens.

Coho salmon may be four times less aggressive in tanks with darker backgrounds than in tanks with light backgrounds, according to a study published March 30, 2016 in the open-access journal PLOS ...

Light blue is a surprisingly modern trend, but how it reads in your decorating scheme largely depends on what you pair it ...

Blue light usually comes from the sun but also from digital screens and LED lights. Some experts believe artificial sources may be causing eye damage in humans, but animal studies are inconclusive.

Key Background. Blue is one of seven colors in the visible light spectrum. ... Blue light glasses are made to block and filter out blue light, reducing its potentially harmful effects.

Think blue light is hurting your sleep cycle? A new study suggests it can actually improve the overall sleep quality of older adults — but only if they time it right.