Night vision relies on a type of photoreceptor in your eye called a rod, while cones (a different kind of photoreceptor) provide detailed color vision. Rods use a protein called rhodopsin to work.

Light is a powerful source of energy that is used for various biological purposes. Some organisms harness light to produce ATP, the energy currency of cells, while others use light to interpret ...

Vision in cephalopods is frequently found to be controlled by a dual system of the photosensitive pigments rhodopsin and retinochrome. The implications of such a system have been investigated for ...