Oh, great! When I wasn't looking, scientists went...  ...ttingham, recently found a new layer in the human cornea , and he's calling it (can you guess?) Dua's layer...  ...) Dua's layer.Dua's layer sits at the back of the cornea , which previously had only five known layers. Du...  ...ered the new body part by...

A new procedure to help people with damaged corneas is showing promise in three patients so far. A te...  ...at time, the cells begin to grow into the damaged cornea and help regenerate it. In effect, it's a stem ce...