Colour perception, an essential aspect of human vision, enables us to interpret and interact with our environment reliably despite fluctuating illumination. At the core of this capability is colour ...

Imagine that you are watching a crowded hang-gliding competition, keeping track of a red and orange glider's skillful movements. Our brain uses separate circuits to achieve such outstanding tracking ...

This story is part of a series on the current progression in Regenerative Medicine. This piece is part of a series dedicated to the eye and improvements in restoring vision. In 1999, I defined ...

Red, orange, yellow, green, blue, indigo and violet: The colors of the rainbow are well known to anyone who remembers “Roy G. Biv.” However, scientific research has long shown that such colors are not ...

Anyone who's ever stared in desperation at a paint colour chart will know that telling shades apart is not always the easiest task. Due to our biological differences, some people seem to have no ...