Her skies were full of complex geometry and subtle shifts of shades — and they might be blue or purple or yellow on any given ... in her paintings,” Raynes brought Drexler a homemade kaleidoscope.

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

Blue eyes have been around for at least 7,000 years but we still don't know exactly why they evolved. Brad Pitt has them, Paul Newman had them — but when it comes to the human population as a ...

Covering one eye at a time may help you determine if both eyes are affected. If you see the distorted image in each eye separately, the cause of kaleidoscope vision may have a neurological cause ...

It has a front and back layer. The front layer is called the stroma and is responsible for the blue, green, hazel, or brown shade of your eyes. The back layer has a brown pigment.‌ Eyes have ...