Francis Ferrari, a French ophthalmologist, invented a controversial procedure that can change eye color. People from around ...

Add Yahoo as a preferred source to see more of our stories on Google. What color is a tree, or the sky, or a sunset? At first glance, the answers seem obvious. But it turns out there is plenty of ...

This story is part of a series on the current progression in Regenerative Medicine. This piece is part of a series dedicated to the eye and improvements in restoring vision. This marks the first story ...

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 ...