Rearing experimental animals under special illumination, researchers have found new evidence that early visual experience is indispensable for the development of normal color perception. The ...

The worker gathers sugar solution from an artificial “flower” made of a transparent acrylic jar with a circular-coloured paper attached to the inside. Tsukuba, Japan—Pollinating insects such as bumble ...

As setups go for studying how people see colors, this one isn’t even the weirdest: a room full of assorted objects, like Lego bricks, strawberries, and ping-pong balls. Bring people into the room and ...