In order to see the red of a sunset or the green of spring leaves, developing human eyes need to get the right hormone at the right time. That's the finding of a team of scientists who studied how ...

Biologists at Johns Hopkins University grew human retinas from scratch to determine how cells that allow people to see in color are made. The work, set for publication in the journal Science, lays the ...

Researchers have grown human retinal cells in the laboratories and thus attempted to understand the basis of color vision and its development in humans. The results showed that certain hormones are ...