At last, the cure to monkey color-blindness (Next up: fish eczema and tone-deaf cattle)

But in all seriousness, this is rather amazing: gene therapy altering perception and the conception of new colors:

“Ultimately we might be able to do all kinds of interesting manipulations of the retina,” he said. “Not only might we be able to cure disease, but we might engineer eyes with remarkable capabilities. You can imagine conferring enhanced night vision in normal eyes, or engineering genes that make photopigments with spectral properties for whatever you want your eye to see.”