A photon is a particle of light. A biophoton is a very faint light emission that is generated by all cells of living things. A plant, an animal and a person can emit as much as 100 photons per second.
The light emission is so faint that nobody can see it. However, the light can be picked up by special machines equipped with photomultiplier tubes.
One of the world’s most respected experts on biophotons is Fritz-Albert Popp, a German biophysicist. He says that the light is given off, and then absorbed, by the DNA located inside the cell’s nucleus. The light is dynamic and coherent, and plays a part in the cell’s “communication” and interaction with other cells. It is in fact crucial in the development of the embryo (and why a duck fetus will grow into a duck, and not, say, a chicken) and in regulating the biological system.
This leads some scientists to believe that even biological processes have an “intelligence factor” which is not identical but somehow connected to “consciousness” or mental awareness. Alternative medicine experts, on the other hand, see this as “proof” of age-old techniques like acupuncture which involve the “ch’I” or energy fields of the body. Others see it as proof of how living things are connected, through the interaction of dynamic biophoton fields.
The biophoton emissions can change over time and are symptomatic of how healthy an organism is. For example, cancer cells have a different emission than healthy cells. Biophysicists are also exploring if this can be used to check the quality of food and water (identifying chemical contamination, for example).