Measuring Mass: The Last Artefact

Episode 1 | Orbit: Earth's Extraordinary Journey

Kate Humble and Dr Helen Czerski follow the Earth's voyage around the sun for one complete orbit, travelling first from July...

How hurricanes are formed by Earth's rotation | Learning Zone

Physicist Helen Czerski explains that hurricanes happen because the earth is rotating. She shows how, because t...

01: Deep Earth | How Earth Made Us

Series telling the story of how the development of civilisation was influenced by planetary forces. Professor Iain Stewart explores the ro...

Chernobyl disaster | Inside Chernobyl's Mega Tomb

Introduction to the 1986 Chernobyl disaster and the temporary construction that was built to contain the radiation.

Energy | Bang Goes The Theory

Jem Stansfield, Liz Bonnin and Maggie Philbin investigate how close Britain might get to running out of electricity.

Episode 1 | Astronauts: Do You Have What It Takes?

Chris Hadfield, Dr Kevin Fong and Dr Iya Whiteley put 12 candidates through a series of physical and psychological tests t...

Orbit: Earth's Extraordinary Journey | Learning Zone

Kate Humble and Dr Helen Czerski follow the Earth's voyage around the sun for one complete orbit, to witness the astonis...

Episode 4 | Astronauts: Do You Have What It Takes?

The competition becomes more intense as the remaining candidates are deprived of oxygen to see if they can recognise the s...

History of the Atom: From Rutherfor to Bohr | Chemistry: A Volatile History

Spec references J248: C1.2a J250: C1.2a. Professor Jim Al-Khalili explains the history of the ato...

01: Spark | Shock and Awe: The Story of Electricity

Jim Al-Khalili tells how the first 'natural philosophers' began to unlock electricity's mysteries, studying its curious l...

02: The Age of Invention | Shock and Awe: The Story of Electricity

Jim Al-Khalili shows how harnessing the link between magnetism and electricity transformed the world, allo...

Episode 5 | Astronauts: Do You Have What It Takes?

The astronaut candidates fight for their place in the final. Their leadership skills are assessed in a survival test and t...

01: Destiny | Wonders of the Universe

Professor Brian Cox explores the laws of the universe. In this episode, Brian looks at the nature of time and its role in creating both...

Episode 2 | Orbit: Earth's Extraordinary Journey

Kate Humble and Dr Helen Czerski follow the Earth's voyage around the sun for one complete orbit, this time travelling from ...

05: The Big Bang: Before the Dawn | Universe

It's the ultimate question: why are we here? Brian Cox explores how cutting-edge space missions take us back 13.8 billion years ...

A Night with the Stars

Professor Brian Cox takes an audience of famous faces, scientists and members of the public on a journey through some of the most challenging concepts...

Episode 2 | Astronauts: Do You Have What It Takes?

The remaining astronaut candidates are put through more demanding tests. They have to escape from an underwater capsule an...

Episode 3 | Astronauts: Do You Have What It Takes?

Old fears surface when the remaining candidates face some space agency swim tests. Their teamwork and mental agility are s...

Episode 3 | Orbit: Earth's Extraordinary Journey

Kate Humble is in the Arctic, where spring arrives with a bang. Helen Czerski chases a tornado to show how the earth's angle...

Episode 6 | Astronauts: Do You Have What It Takes?

The finalists head to the Shuttle Landing Facility on Florida's Space Coast for a tough test in weightlessness, and back i...