Liver is a love-it-or-hate-it food, but if you like beef liver, it's another good way to get vitamin D. You can either cook it up, popular with onions, or liver sausage can be a good source of vitamin ...

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 ...

How life evolved is one of the central questions in science and has fascinated humans for centuries. Early Earth was undoubtedly a harsh environment, but we know surprisingly little about the ...

These advanced devices typically required large, expensive ultrashort-pulse lasers as excitation sources. However, a practical far-ultraviolet light source requires a blue semiconductor laser with ...

Most people know that one of the best ways to treat mold on a household item like a blanket or piece of upholstered furniture is to bring it outside and put it in the sun. If you didn’t know ...

Another is to grow cells in single-use reactors, which is wasteful. Ultraviolet (UV) light is another. Yet until recently, generating enough UV-C light, which is required for decontamination ...

For this reason, it is important to use personal protective equipment and intensity measurement devices and not disable any safety controls designed for the UV light source to limit exposure. Many ...