The raw, early Earth had plenty of colour, but that canvas was about to be painted with a vast new palette - and the source of those colours was life. Show more

Helen Czerski looks at the colours invisible to our eyes. To see the universe in a new light, she takes to the skies in a jet equipped with an infrared telescope. Show more

Helen Czerski uncovers what colour is, how it works and how it has written the story of our planet. She seeks out the colours that turned the Earth multicoloured. Show more