The natural world is an endless medley of hues ... Our three photoreceptors reveal a rainbow to us - but we can't begin to imagine the world of colour that mantis shrimps live in. For this lizard, ...

In Hindu teaching the colours of the rainbow correspond to the energy centres ... According to Tom McLeish, Professor of Natural History at the University of York, the question of how the rainbow ...

We are taught the rainbow is composed of ... for reasons that have to do with natural variation in the sensory mechanisms that allow us to take in a color stimulus, and in the mental processes ...

Females often rely on them to gauge the fitness of males, and males use colours to compete for territory and dominance. Purple sea stars are a common sight along the Pacific coastlines of North ...

Grab some objects around the house and make your very own rainbow! It's a great way for your toddler to learn about colours. Encourage your child to arrange the objects in colour order of a ...

A regular rainbow happens when sunlight is refracted through water droplets, usually rain drops, splitting the light into the spectrum of colours. By Matt Taylor, BBC Weather Double rainbows ...