Colour: The Spectrum of Science

BBC FOUR

Thursday 1 December 2016  22:00 - 23:00 (60 mins)
1/3. Colours of Earth: Helen reveals how colour transformed our planet from a drab lump of rock to a vivid jewel. Also in HD. [AD,S]

Colour: The Spectrum of Science may be available on playback
Colour: The Spectrum of Science (BBC FOUR) Thursday 1 December 2016 22:00 - 23:00