In this BBC Four 90-minute special, physics professor Jim Al-Khalili investigates the amazing science of gravity.

The science of Christopher Nolan’s sci-fi, Interstellar.

A documentary film based on the life of scientist Steven Hawking. The film explores the intimate life of Steven Hawking through him, his friends and his family, as he goes through school, is diagnosed with a degenerative disease, and discovers revolutionary theories about time, black holes, and the origin of the universe. A visually interesting and at times funny film about a extraordinary life.