Full Spectrum Quotes

“Chickens—lowly chickens!—have a rhodopsin for low-light conditions, four color-sensing pigments, and a pigment in their pineal glands (uninventively called pinopsin) that uses light to help set their circadian rhythm. That’s quite a bit of color, but chickens aren’t so lowly, really. They’re the evolutionary offspring of dinosaurs, after all.”
― Adam Rogers, Full Spectrum: How the Science of Color Made Us Modern