Birds-of-paradise are even colorful in the dark, with feathers and body parts that glow a brilliant yellow-green under ...

One quick fix is to use blue light filtering glasses, but researchers at the University of Houston have been working on a much neater solution: a new violet LED chip that uses much less blue light.

If you’ve ever suffered from dry, irritated eyes or struggled to fall asleep after a long day of staring at your computer, you may have been tempted to purchase a pair of blue-light-blocking ...

Board-certified dermatologist Rebecca Marcus, MD, says research on this is still in its early stages, but it's thought that like ultraviolet (UV) light, blue light causes damage over time.

You can use a prism to split (or disperse) white light into a spectrum of colours: red, orange, yellow, green, blue, indigo and violet. Dispersed means that the colours are separated out.

In some people that are photosensitive, UV light from sunlight and indoor light sources can trigger a lupus flare. In addition to sunlight, ultraviolet rays are also given off by several different ...