It wasn’t long before I was diagnosed with red and green colour blindness. At 16, I toyed with joining the army. I was worried the condition would affect my options, and recall the careers ...

Red-green is the most common type of of hereditary color-blindness in people, according to the National Eye Institute (NEI) in Bethesda, Maryland. As many as 8 percent of men and .5 percent of ...

The Christmas season is inextricably connected to this color combination—but why? Look around the internet for why red and green are classic Christmas colors and one suspect immediately pops up ...

Five people have witnessed an intense green-blue colour that has never been seen by humans before, thanks to a device that might one day enable those with a type of colour blindness to experience ...

“Color has always served as a map,” she says. “Culturally, we want that as well.” This biological explanation may also play a role in why green and red helped make Christmas one of the ...

We perceive colour via the retina at the back of the eye, which typically contains three types of light-detecting cone cells – called S, M and L – that absorb a range of blue, green or red ...