Gabrielle Walker tells the remarkable story of how we discovered that the air around us is not just empty space, it is full of hidden wonders. Show more

Dallas Campbell delves into the Horizon archive to discover how scientists have tried to predict an impending apocalypse, and asks if science will save us when Armageddon arrives. Show more

Dallas Campbell looks back through almost 50 years of the Horizon archives to chart the scientific breakthroughs that have transformed our understanding of the universe. Show more

Coca-Cola sells more than 100 billion throwaway plastic bottles each year. Panorama investigates Coca-Cola's promises to crack down on plastic waste. Show more

In the first BBC documentary to be filmed entirely on smartphones, Mark Miodownik reveals the weird materials that have built our high-tech world. Show more

Coca-Cola sells more than 100 billion throwaway plastic bottles each year. As part of our Why Plastic series, we investigate Coca-Cola's promises to crack down on plastic waste. Show more