Can You Get Rainbows in Space?

Why is blood red? Why are carrots orange? Who invented the lightbulb? Why is the world ''going green''? Is the sky really blue? And what is ultraviolet light?

You''ll discover the answers to these questions - and many more - in this incredible collection of scientific facts about colour. We''ll talk about light (the most important thing) and waves (not the kind you see at the beach - though you wil...