Like most human traits, blue eyes are determined by genes, and no two people have exactly the same hue. It works a lot like ...

Eye color is determined by the amount of melanin ... such as sunlight or bright indoor lighting. People with blue or light-colored eyes are more susceptible to photophobia than people with brown ...

The new study showed that the frequency of people with dark skin was still high in parts of Europe until the Copper Age (also ...

You can make the case that none of them are in true color. But then again, if they were, they’d be unable to reveal the true nature of objects emitting or reflecting various kinds of otherwise ...

If you’ve ever suffered from dry, irritated eyes or struggled to fall asleep after a long day of staring at your computer, you may have been tempted to purchase a pair of blue-light-blocking ...

The animal's eyes change from a golden colour to a deep blue as summer fades to winter, helping it to see in dramatically different light levels. The part that changes colour is called the tapetum ...

But with this increase in digital consumption comes the inevitable eye strain caused by the blue light emitted from our devices. The British Medical Journal describes this syndrome as “encompass ...