By stimulating thousands of individual cone cells, researchers made volunteers see a blue-green color of "unprecedented ...

Researchers discover a new color outside the range of human color vision, but you have to laser your retinas to see it ...

A device has enabled people to see a new a shade of blue-green, which they say is more intense than any experienced before ...

Using an experimental technique called "Oz," researchers stimulated the human retina such that people saw a brand-new color.