There are three forms of UV light generated by the sun ... “If we’re treating broken blood vessels, for example, we’d use a wavelength of595 nanometers. We know exactly what we’re targeting and the ...

For these people and those born without a lens, UV light looks like a pale blue or pale violet, Bok said. In a famous example, impressionist painter Claude Monet saw more blue and purple overtones ...

Birds, including chickens, are commonly used in animal research. However, housing facilities are often optimized for mammals and contain no ultraviolet (UV) light. Unlike mammals, most birds are ...

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 ...