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Cosmic Dawn: The Real Moment of Creation
17/17 Forget the big bang - the real moment of creation was the cosmic dawn.
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The Lost Tribes of Humanity
16/17 Alice Roberts explores recent discoveries in the study of human origins.
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First Britons
15/17 Horizon reveals our new findings on the very first Britons.
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Inside CERN
13/17 Horizon follows the highs and lows of an extraordinary story in particle physics.
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Sports Doping - Winning At Any Cost?
12/17 Dr Xand van Tulleken investigates the world of performance-enhancing drugs.
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Why Are We Getting So Fat?
11/17 Dr Giles Yeo uncovers why eating less is harder than it sounds for many obese people.
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The Wildest Weather in the Universe
10/17 A look at the fledgling field of extra-terrestrial meteorology.
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E-Cigarettes: Miracle or Menace?
10/17 Michael Mosley investigates the dramatic rise in e-cigarettes.
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Curing Alzheimer's
9/17 Horizon investigates a new era of Alzheimer's research which is bringing hope to millions.
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Jimmy Carr and the Science of Laughter
8/17 Jimmy Carr looks at what laughter is, why we enjoy it and what it has to do with comedy.
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Ice Station Antarctica: Part Two
8/17 Βι¶ΉΤΌΕΔ weatherman Peter Gibbs's return to Antarctica becomes something of a rescue mission.
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Ice Station Antarctica: Part One
8/17 Βι¶ΉΤΌΕΔ weatherman Peter Gibbs makes an emotional return to Antarctica.
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Ice Station Antarctica
8/17 Βι¶ΉΤΌΕΔ weatherman Peter Gibbs makes an emotional return to Antarctica.
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Tim Peake Special - How to be an Astronaut
8/17 Tim Peake's video diary of the lead up to his arrival at the International Space Station.
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My Amazing Twin
7/17 Adam Pearson and his twin both have neurofibromatosis 1, but they're completely different.
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How to Find Love Online
7/17 Dr Xand Van Tulleken and mathematician Dr Hannah Fry test dating site algorithms.
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Should We Close Our Zoos?
6/17 Liz Bonnin explores how and why zoos keep animals.
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The End of the Solar System
5/17 How our solar system will be transformed by the ageing sun before coming to an end.
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Oceans of the Solar System
4/17 The hunt for oceans in space marks the dawn of a new era in the search for alien life.
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The Mystery of Dark Energy
3/17 A look at dark energy - the force that is causing the universe's expansion to speed up.
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Project Greenglow - The Quest for Gravity Control
2/17 The story of an extraordinary scientific adventure - the attempt to control gravity.
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The Immortalist
How one Russian internet millionaire is trying to unlock the secret of living forever.