If you use an ultraviolet wand to disinfect and kill germs — or are thinking about it — be aware that certain brands may ...

We cannot see ultraviolet (UV) light but it can have hazardous effects on the human body. Ultraviolet light in sunlight can cause the skin to tan or burn. Fluorescent substances are used in energy ...

Researchers say chlorine in combination with ultraviolet light works to degrade deadly toxins created by harmful algae blooms in drinking water. Treatment plants use a combination of tools to keep ...