Eighty-five per cent of young people get spots, but for some, bad skin can take over their lives. Radio 1 DJ Gemma Cairney goes on a journey to uncover the facts on acne. Show more

This short film takes a look at a family of polar bears as they explore the icy cold surroundings of their Arctic home. Show more

A mother mandarin duck shows her babies how to take their first flight out of the safety of the nest. Show more

A look at what happens to different landscapes through the four seasons: summer, autumn, winter and spring.

This short film sees an emperor penguin watch her baby being born. It shows the harsh habitat of Antarctica and the relationship of the family. Show more

A herd of elephants moves across the land in search of water.

This short film sees monarch butterflies flying together around their habitat and creating a wonderful spectacle. The butterflies are filmed in slow motion, capturing their beauty. Show more

This short film shows swarms of flamingos moving around and displaying their long necks - this is the spectacle of their courtship ritual. Show more

This short film shows the process of how caterpillars change into butterflies. Caterpillars grow, feed and then transform from chrysalis to beautiful colourful butterflies. Show more

This short film shows animals catching their prey and hunting for food. Lots of species in the animal kingdom feed themselves in an array of spectacular and clever ways. Show more

The grass cutter ants work together as a team to carry blades of grass to the ant colony.

This short film shows all the different animals that might be found during the day and night in the garden, including birds, hedgehogs, insects and foxes. Show more

The knot breed of bird flying together in a flock of thousands over the sea. They fly in a beautiful formation which creates a spectacle.

Stoats playing outside in the wild. They interact with each other and move around the habitat they live in.

The dangerous life of the damselfly, how a damselfly keeps itself away from danger, how it moves and what happens when a predator tries to catch it.

This short film shows how fish and plants interact under the sea. From whales to the tiny krill, they are seen swimming past each other in a colourful underwater paradise. Show more

Animals who live in a cold climate, including wolves, bears, birds and buffalo.

A look at some of the most powerful animals, how they move and what superpowers they have in the animal kingdom. Show more

Martin Roberts and Lucy Alexander visit a lock house in Hertford, a house in London and a three-bedroom house in Manchester. Show more

From some of Britain's police and ambulance emergency control rooms, Nick Knowles presents dramatic events from the day-to-day work of the emergency services.

Property series. Denise Nurse helps a couple find a home with plenty of character in Suffolk. With a budget of 450,000 pounds, the buyers are seeking three bedrooms. Show more

Series following the work of probate researchers. Featuring the case of a lady who left Ireland and was never heard of again until she died leaving an estate worth £1.7 million. Show more

Martin Roberts and Lucy Alexander visit a house in Lincoln, a property in Kent and a semi in Cardiff. They learn what the properties sold for at auction. Show more

The latest national and international news, plus top interviews and analysis.

The latest international news from the BBC.

Jo Coburn has the top political stories of the day. Jo is joined by Lord Howard to discuss the government's childcare announcements and other budget previews. Show more

Ben Fogle and Kate Humble explore life behind the scenes at Longleat Estate and Safari Park. Up at the great house, Lord Bath dishes the dirt on an old ancestor. Show more

Desert Island Discs presenter Kirsty Young makes an appeal on behalf of Centrepoint, a charity working to tackle youth homelessness by providing housing and support. Show more

Jules Hudson seeks out the World War II stories of ordinary people doing extraordinary things. Here, he travels to Scotland, where he gets to grips with rationing. Show more

Raymond Blanc shares his cooking secrets. He uses game and mushrooms to prepare dishes, including delicate cep mushroom tortellini and salt crust baked pigeon. Show more

Legendary chef Raymond Blanc welcomes the cameras into his kitchen to share his cooking secrets. Raymond focuses on bread and the miracle of yeast. Show more

Fight or flee? Resist or surrender? Aggression is widespread in animals. However, risking injury is the last resort. Presented by Sir David Attenborough. Show more

Valuing heirlooms with Michael Aspel and a team of experts. Fascinating finds at St George's Hall include a tie pin commemorating the death of Nelson. Show more

Jeremy Vine hosts a general knowledge quiz in which teams from across the UK battle to beat the Eggheads, some of the country's top quiz champions. Show more

Chefs compete to cook at a banquet to celebrate 25 years of Red Nose Day. Luke Thomas hopes his quirky take on a classic fish finger will impress veteran Jeremy Lee. Show more

Alex Polizzi sets out to save Britain's family businesses. Alex tries to help the Oak garden centre whose trade suffered badly during last year's freezing winter. Show more

Going behind the scenes of the rail network. Scotland's railways are a huge challenge to keep running, from the busy commuter routes to the highland mountains. Show more

Sitcom. Sara is forced to get help from an unlikely source when a veterinary inspector calls at the surgery. Daniel spends some quality time with the ladies. Show more

Series exploring topical scientific issues. This edition looks at how scientists are using some unusual techniques to understand how moments of creativity come about. Show more

Documentary series going behind the scenes of the rail network. Staff at King's Cross station in London prepare to open a new, brighter and more spacious concourse. Show more

Chefs compete to cook at a banquet to celebrate 25 years of Red Nose Day. The North West chefs cook their fish courses. Show more

Exploring the fascinating stories behind the invention and development of the steam engine, the electrical generator and the steam turbine. Show more

Exploring the fascinating stories behind the invention and development of the steam locomotive, the internal combustion engine and the jet engine. Show more