On hearing the word sky, a blue sheet appears in front of the eyes. But have you ever wondered why the sky is blue? And when ...

The team, who experimented on themselves and others, hope their findings could one day help improve tools for studying color ...

Q: Why are more fruits and flowers red, orange or yellow than blue ... certain wavelengths of light and reflecting others. Chlorophyll makes plants look green, carotene makes them look red ...

You can use a prism to split (or disperse) white light into a spectrum of colours: red, orange, yellow, green, blue, indigo and violet. Dispersed means that the colours are separated out.