The phenomenon of glowing in living organisms or bioluminescence is quite common, especially in marine species.
Green fluorescent proteins help some animals glow, which can prevent oxidation, protect them when they are sick or stressed.
On beaches, tides and rough seas can drag people swimming out to sea very fast. At that time, the lifeguards could not swim immediately to save but the launch of a rescue boat was
Council of Cambridge City has just tested the lighting of the path by covering the part that attracts ultraviolet light and turns to blue light when the sun goes down.
The 'bio-luminescence' system invented by Philips Electronics (Netherlands) produces the same light that luminescent creatures like fireflies and glow worms do.