Matthew McConaughey takes viewers behind the scenes of Interstellar with a look at the real-life science that went into this out-of-this-world film.
First in a three-part documentary series offering an insight into the dramatic forces that shape life on Earth, using speeded-up footage that compresses centuries into seconds. The programme follows the movement of mountains, rivers, glaciers and the sea, and offers a glimpse of what the future might hold, revealing how the Great Rift Valley may well be on its way to becoming the next ocean.
Saiful explores one of the most important issues facing the modern world - how to store energy. He tackles his toughest challenge yet - trying to work out how to store enough energy to power a mobile phone for a whole year and still fit it in his pocket!
Humanity is under threat - from storms that seem to get ever fiercer, earthquakes that seem ever more deadly, and killer viruses that are engulfing the globe. Some scientists think it's time for us to fight back. Can we - should we -hack the planet?