Pollinating insects such as bumblebees often repeatedly visit the same type of flower, even when a variety of flowers bloom nearby. This behavior is known as "flower constancy." Darwin speculated that ...

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 ...

What is color constancy and how does it trick our brain into seeing colors that aren't really there? WIRED's Robbie Gonzalez and neuroscientist David Eagleman use ambiguous photographs and giant props ...

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 ...