Do you have blue eyes? We talked to experts to discover curious facts about baby blues, including whether your biological family is bigger than you ever imagined.

Discover 10 fascinating facts about the human eye, from its incredible processing power to unique features, unveiling secrets ...

Radiation within the visible spectrum can appear black if it is low in power – more specifically, lower in power than its surroundings. Additionally, radiation outside the visible range of wavelengths ...

Human eyes are actually spheres ... This is the part of the eye that lets the light in. Lights out please! When it’s dark, muscles in the iris make the pupil grow bigger, which means it can ...

Multiple Scattering Directions – Scattered blue light reaches our eyes from all directions, making the sky appear blue. Sunset and Sunrise Effect – During sunrise and sunset, sunlight passes through ...

So, at the outset, nocturnal eyes gather more light than human eyes do. After the light passes through the pupil, it is focused by the lens onto the retina, which is connected to the brain by the ...

Scientists have come up with scenarios through which the first eye-like structure, a light-sensitive pigmented spot on the skin, could have gone through changes and complexities to form the human ...

Each group contains a range of frequencies. For example, visible light contains all the frequencies that can be detected by the human eye: ...