Jim Al-Khalili concludes by looking at how, if we could understand the secret of electrical superconductivity, we could once again transform the world. Show more

A look at three key numbers that clarify the important questions on climate change, giving a unique perspective on what we know about the past, present and future of our climate. Show more

The team is at mission control as the Rosetta probe catches up with the comet it has been chasing across the solar system and prepares to send out a lander. Show more

Engineer Jem Stansfield investigates how we have come to understand, and then harness, the immense power of explosions, from ancient China to the nuclear age. Show more

Michael Mosley and doctors get the truth behind health claims. Dr Chris van Tulleken and Nottingham University see whether high-intensity exercise is as good for us as is claimed. Show more

The truth behind health claims. Michael Mosley reveals a new discovery that could help us all improve our eyesight and Dr Saleyha Ahsan investigates the signs of depression. Show more

Michael Mosley and the doctors undertake the most ambitious experiment yet on the series - testing whether the spice turmeric could help protect us against cancer. Show more

Going behind the headlines to give the definitive answers to health questions. Michael discovers whether just changing your diet can lower cholesterol as much as taking drugs. Show more

Going behind the headlines to give the definitive answers to health questions. A surprising way to cure food cravings and new techniques to beat the habits we find hardest to kick. Show more

Dr Chris van Tulleken runs a groundbreaking experiment with the University of Surrey to see whether simply changing our mealtimes can help us all lose weight. Show more

The definitive answers to health questions. The doctors discover whether olive oil is good for us. Dr Chris van Tulleken examines whether beards are unhygienic. Show more

The definitive answers to health questions. The doctors reveal how to stick to the health resolutions we made at New Year, but are already struggling to keep. Show more

Michael Mosley and the team of doctors are in Chester to test an extraordinary idea, that simply standing up more could transform our health. Show more

Michael Mosley and the team of doctors are in Lancaster to test if trees could help solve the hidden health threat of air pollution. Show more

Going behind the headlines to answer health questions. Dr Chris van Tulleken discovers how to make some favourite meals healthier without changing a single ingredient. Show more

Going behind the headlines to answer health questions. Dr Chris van Tulleken investigates whether garlic, beetroot and watermelon can reduce blood pressure. Show more

Going behind the headlines to answer health questions. Does caffeine really help us to stay alert and what are the alternatives? Ways to boost our brains are put to the test. Show more

Going behind the headlines to answer health questions. This time, Michael Mosley and the team investigate if you can be fat and fit as well as other recent health questions. Show more

Going behind the headlines to give the definitive answers to health questions. The team give tips on how to avoid losing your marbles and how to cure cramp. Show more

Medical history series. Michael Mosley discovers what pain is and how we were able to control it with the discovery of morphine at the beginning of the 19th century. Show more