The colors of the rainbow are all around us, but so are hues that most of us can't see, including ultraviolet — a wavelength that eludes many humans but, surprisingly, many animals can perceive.

or UV light, is a type of electromagnetic radiation that lies between visible light and X-rays on the electromagnetic spectrum. UV light is not visible to humans, but some animals (bees ...

is an analytical technique that measures the absorption or reflectance of light by a sample in the ultraviolet (UV) and visible (Vis) regions of the electromagnetic spectrum. It is a widely used ...

Fortunately, a UV lamp helps speed up the dry time ... marketed as "better for you") is that they can radiate light that's on the UVA spectrum, which still poses risks of photo-aging.

the untinted and the light tint may give you a bit of a white cast, so it's best to go with the deep tinted SPF. Both the untinted and tinted versions of the EltaMD UV Clear Broad-Spectrum SPF 46 ...

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 ...

which can measure almost the entire spectrum from UV to IR. The one place where this design seems iffy is that the light source spectrum isn’t continuous, as it would be in a more traditional ...

"Ninety percent of aging skin is due to exposure to UV and visible light, so sun protection is essential—and that means broad spectrum protection," Corey L. Hartman, board-certified ...