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For centuries we have dreamt of reaching the centre of the Earth. Now scientists are uncovering a bizarre and alien world that lies 4,000 miles beneath our feet, unlike anything we know on the surface. It is a planet buried within the planet we know, where storms rage within a sea of white-hot metal and a giant forest of crystals make up a metal core the size of the Moon. Horizon follows scientists who are conducting experiments to recreate this core within their own laboratories, with surprising results.
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Sign in to syncEpisode 1: Do You See What I See?
Episode 2: Seeing Stars
Episode 3: The Nine Months That Made You
Episode 4: The Core
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Episode 5: Are You Good or Evil?
Episode 6: Fukushima: Is Nuclear Power Safe?
Episode 7: Playing God
Episode 8: The Truth About Exercise
Episode 9: Solar Storms: The Threat to Planet Earth
Episode 10: Out of Control?