That’s because different types of photoreceptors in the eyes are responsible for vision under different light conditions. Cone-shaped photoreceptors in the human retina become active when ...

No. It's the exhaust product of an orbital manoeuvring system, as seen above South Shields Amateur stargazers in the UK were sent rushing for their cameras by strange cone-shaped lights in the sky ...

Some react to short-wavelength light, others react to medium wavelengths ... photopigments -- molecules that detect color in the cone-shaped cells, or “cones,” in your retina.