Did Ancient Campfires “Reprogram” the Human Brain with Flickering Light and Red Wavelengths?
A University of St. Andrews-led research team has proposed that the red wavelengths of flickering light emitted by early human ancestors’ campfires helped reprogram the human brain to boost social and verbal communication, leading to modern language and storytelling behaviors found only in humans. The team, which included researchers from Dartmouth College, said the study…
