TV Guide BBC Four Tuesday

Volcanos have long helped shape the Earth, but what is less well known is that there are volcanos on other planets and moons that are even more extraordinary than those on our own home planet. Cameras follow a team of volcanologists in Iceland as they draw parallels with the volcanos on Earth and those elsewhere in the solar system

A profile of the 20th-century escapologist, featuring restored archive footage and interviews with historians and illusionists, who recall his impact on audiences. Plus, revealing some of the secrets behind some of Houdini's most famous escapes. Originally broadcast in 2000

Physicist Jim Al-Khalili explores the history of the nuclear facility near the village of Seascale in Cumbria, investigating Britain's attempts - past, present and future - to harness the power of the atom. He examines the ways waste and spent fuel rods have been stored there over the past 70 years and looks at the latest attempts to try to clean some of it up, from storage in vast open-air ponds to encasing pieces of old reactors in concrete blocks