The amount of information reaching our sensory organs every second would be overwhelming if it were not for our ability to categorize it. Colour perception is a good example of this phenomenon. When ...

Depending on what language you speak, your eye perceives colours – and the world – differently than someone else. The human eye can physically perceive millions of colours. But we don’t all recognise ...

Birds, reptiles, amphibians and fish may see kinds of colours we can’t even imagine, say researchers whose experiments with wild hummingbirds show they perceive five so-called non-spectral colours.

Is the colour you see the same as what I see? It’s a question that has puzzled both philosophers and neuroscientists for decades, but has proved notoriously difficult to answer. Now, a study that ...

Charles Darwin took a copy of Patrick Syme's book, Werner's Nomenclature of Colours, with him on his Beagle voyage in 1831 and used it to make natural history observations. A new partnership between ...

Our world is awash with a rainbow of colours, but certain shades can have a surprising impact on our ability to concentrate, our mood and even the flavours we experience. A few years ago, a strange ...

The human eye can physically perceive millions of colours. But we don’t all recognise these colours in the same way. Some people can’t see differences in colours – so called colour blindness – due to ...

What are food colours? Where do they come from? And what are the reasons they are used in so many foods? In this special edition article FoodNavigator brings you the facts behind the food colours. The ...