New colour seen for the first time by tricking the eyes. ... upgraded the device so that it could deliver light to a small square patch of about 1000 cone cells in the retina.

Whether a product of melanin's shielding power, a 10,000-year-old genetic glitch, or a collision of pigment and light, your eye colour might be revealing more about you than you ever realised.

For example, humans process three wavelengths corresponding to red, blue and green light, while the mantis shrimp, a tiny crustacean, can visually perceive 12 channels of colour instead of three.

Rothko, like the scientists at Berkeley, recognised that colour is an interaction between material, light and observer. It is not just about manipulating what we don’t see, but about engineering ...

The café wall optical illusion was first described by Richard Gregory, professor of neuropsychology at the University of Bristol, in 1979. When alternating columns of dark and light tiles are ...

Scientists claim they have discovered a new colour called ‘olo’. The snag is that it’s only ever been witnessed by five people in the world – and cannot be seen by the naked eye.

Scientists say they have discovered a new colour only ever seen by five people in the world - called ‘olo’.. The colour, said to be a saturated shade of blue-green, cannot be seen by the naked ...

A team of scientists claim to have discovered a new colour that no human has ever seen before. But what does ‘The Wizard of Oz’ have to do with this contested discovery?

For example, humans process three wavelengths corresponding to red, blue and green light, while the mantis shrimp, a tiny crustacean, can visually perceive 12 channels of colour instead of three.