Lower melanin levels lead to light or blue eyes.” Of course ... all humans shared brown eyes, which is the natural color of melanin. Having a common ancestor is just one quirky fact about ...

During the day, this exposure is natural due to sunlight, but after dark, blue light impacts your sleep adversely. Easy on ...

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 ...

How could something so complex, they argue, have developed through random mutations and natural selection ... scientists think some eyes may have evolved: The simple light-sensitive spot on ...

If you spend hours in front of a computer, you’ve likely felt the effects of eye strain. It’s a common issue, especially for ...