In this programme, three celebrities take on iconic, long-distance hikes in some of the world's most remote locations.
At present the total nuclear arsenal of the world is no less than 27,000 nuclear warheads. Nine countries in the world (probably) have nuclear weapons and a dozen more have access to the resources and technology needed to produce such a weapon. Nuclear Secrets is a series of spy thrillers exploring the key turning-points in the race for nuclear supremacy.
Despite being an ally during World War II, the Soviet Union launched an all-out espionage effort to uncover the military and defense secrets of the United States and Britain in the 1940s.
The story of how one Russian internet millionaire is turning to cutting-edge science to try to unlock the secret of living forever. Dmitry Itskov recently brought together some of the world's leading neuroscientists, robot builders and consciousness researchers to try to devise a system that would allow him to escape his biological destiny. Entering Dmitry's seemingly sci-fi world, Horizon investigates the real science inspiring his bold plan to upload the human mind to a computer. There are doubters - like the major neuroscientist who tells us 'it's too stupid, it simply cannot be done'.