Most of us have seen a mood ring in our lifetimes. Depending on your body temperature, the ring would change colors. It seemed like magic back then, but as an adult you may have learned that there are ...

Have you ever wondered if your eye color reveals something deeper about who you are? From brown to blue, hazel to green, the color of your eyes might be connected to surprising aspects of your ...

Your eyes may seem ordinary when you catch your reflection each morning — but behind their color lies a genetic story that stretches back thousands of years. What scientists once believed was a simple ...

The Food and Drug Administration approved the first artificial iris implant in the United States, giving hope to patients suffering from a missing or permanently damaged iris. The approval of the iris ...