Onion Roots Proved Cells Use Light.

Alexander Gurwitsch's 1923 experiment showed cells communicate via invisible UV light (Mitogenetic Radiation). The foundational discovery of biophotons.

#Biophotons #Gurwitsch #OnionExperiment #MitogeneticRadiation #Science

Gurwitsch, Biophotons, Onion, UV Light, Mitosis, History, 1923