10/12 Professor Uta Frith shares the insight of her lifetime's study of autism.
8/12 Investigating how placebos work, and how we could all benefit from their hidden power.
6/12 Investigating why the geology of Florida makes it the sinkhole capital of the world.
3/15 A journey into the dizzying world of cosmic bounces, rips and multiple universes.
2/18 Behind the scenes at Nasa, as they prepare to the land the Mars rover on the planet.
The story of the men who orbited Earth on board the ill-fated Mir space station. (1998)
Examining the US fear that the Russians are ahead of them in the space race. (1981)
The discovery by physicists of a unique particle. (1964)
Horizon follows an expedition to the Andes in search of a missing plane. (2000)
Horizon investigates the growing tendency to induce childbirth. (1975)