"Discover amazing and mind-blowing facts you won't believe with Top 10 videos! Explore the weird, wonderful, and unbelievable ...

A new surgical procedure to permanently change eye color is gaining traction in the U.S. But many ophthalmologists fear ...

Iris tattooing and implants can give you a whole new look, but experts urge caution due to complication risks.

One of the more unusual colourful specimens at the Museum is a reindeer ... it is a scientific marvel. The animal's eyes change from a golden colour to a deep blue as summer fades to winter, helping ...

Every crisp is unique and thanks to variation ... Discontinuous variation refers to things like eye colour or blood group, which have a limited number of possible values. In other words, a ...