Cleaner, more pure water backscatters light in the blue range, which makes it look blue. One famous example is Crater Lake in ...

Cleaner, more pure water backscatters light in the blue range, which makes it look blue. One famous example is Crater Lake in ...

While it's mostly just a physical trait, eye color can sometimes signal that a baby has a health issue. The combination of pigments and how widely they're spread and absorbed by the stroma determine ...

Visiting Swedish professor Jon Bergstrom rivals Old Blue Eyes with his crystal aqua irises. An ophthalmologist and medical researcher, Bergstrom has capitalized on his signature Nordic trait while ...

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

If you notice any change in your eye color, you should always get it checked out by your eye doctor, Grover stresses. It can indicate a wide range of conditions, some benign, some potentially serious.

Don’t you just love looking at crystals? If you’re just getting started in learning about them, it’s an expansive world to ...

When this highly ordered structure extends in all three dimensions, the mineral becomes a crystal. With a theory developed by physicists ... the substance and the other colors reflect back to your ...

An ophthalmologist with 3.4 million followers on TikTok has gone viral due to his specialization in changing people’s eye ... Color options include emerald green, evergreen, riviera blue and ...