By stimulating certain cones with extreme precision, scientists can help humans perceive a new color that defies all comparisons. From the first time I saw Blade Runner and heard Rutger Hauer’s Roy ...

When we think about how animals experience the world, one of the first things that comes to mind is their eyes. And for good ...

It is believed to see more colours than any other animal on the planet. Human eyes are trichromatic - meaning there are only three types of cones that respond to colour. The three colours they ...

There are several types of camouflage in the animal kingdom. Most people think of insects that can blend into a pile of ...