Colour: The Spectrum of Science

Helen Czerski goes in search of colour. She reveals what it is, what it does, and why colour doesnt exist outside of our perception.

2015 HD 60min NR United Kingdom English

Toby Macdonald Helen Czerski

Documentary

miniseries science space light physics earth color color science

S1E1 - Colours of Earth 2015-11-04

In the first episode, Helen seeks out the colours that turned planet Earth multicoloured. To investigate the essence of sunlight Helen travels to California to visit the largest solar telescope in the world. She discovers how the most vivid blue is formed from sulphur atoms deep within the Earths crust and why the presence of red ochre is a key sign of life. In gold, she discovers why this most precious of metals shouldnt even exist on the surface of the planet and in white, Helen travels to one of the hottest places on Earth to explore the role salt and water played in shaping planet Earth.

S1E2 - Colours of Life 2015-11-11

The raw, early Earth had plenty of colour, but that was nothing compared with what was going to come next. That canvas was about to be painted with a vast new palette - and the source of those colours was life. Green is the colour of the natural world and yet its the one colour that plants have evolved not to use.

S1E3 - Beyond the Rainbow 2015-11-18

The colours that we see are only a fraction of whats out there. Beyond the rainbow there are colours invisible to our eyes. In this episode, Dr Helen Czerski tells the story of scientific discovery. To see the universe in a whole new light, Helen takes to the skies in a NASA jumbo jet equipped with a 17-tonne infrared telescope.

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