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Simply the Best Documentaries

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The Cove
The Seven New Signs of the Apocalypse
One Soldier Story: The Journey of American Sniper
Curing Cancer
South Pacific Fragile Paradise
Downloaded
Silk Roads and China Ships
Waiting for Immortality
Second Earth
Who is in Control
Alien Planets
Bears
Can We All Become Geniuses
Forks Over Knives
Dinosaurs Giants of Patagonia
Bomb It
Pink Floyd: P. U. L. S. E. Live at Earls Court (I)
Who are We
Audrie and Daisy
Some of the Things That Molecules Do
Stadium Rock
Wind
Last Days in Vietnam
Did Cooking Make Us Human
Asteroids - Worlds That Never Were
Blues for a Red Planet
Cowspiracy: The Sustainability Secret
History of the Eagles 1
Michael Moore in TrumpLand
Pink Floyd: The Story of Wish You Were Here
The Science of Interstellar
The Day they Dropped the Bomb
The Art Of The Impossible
Journey to Space
Enchanted Kingdom
What Makes a Terrorist

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Colours Of Earth
Colours Of Earth 2015

In this 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 sulfur atoms deep within the Earth's crust and why the presence of red ochre is a key sign of life. In gold, she discovers why this most precious of metals shouldn't 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.

Category:Science  Duration:59:00   Series: Colour The Spectrum of Science

 
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