Ever walked into a room and felt instantly calmer, only to realize it was painted light blue? That’s no coincidence. Light ...

Earth's oceans may have been green for billions of years until the first photosynthetic organisms flooded our atmosphere with oxygen.

It was around 1870 when the British physicist John William Strutt, better known as Lord Rayleigh, first found an explanation ...

The light that we see is made up of many different colours. There are three primary colours: red, green and blue. They can be combined in different ways to make every other colour. The colour of ...