The latest national and international news, exploring the day's events from a global perspective.
Chris Packham explores what makes animal groups successful. He looks at how the globe's 100 trillion ants have colonised the planet like no other. Show more
Dr Hannah Fry and Peter Snow look towards the future of rail travel. Hannah explores how the timetables work and whether they can squeeze in extra capacity in the future. Show more
Ealing comedy about a group of villagers who battle to preserve the local railway line by running it themselves, until they are sabotaged in a midnight raid by a rival bus company. Show more
Series about whales and dolphins. Explore the ocean's largest creatures - humpback whales, 200-ton feeding blue whales and southern right whales with one-ton testicles. Show more
Scientists now believe black holes could hold the key to answering the ultimate question: what was there before the big bang? However, researching them is next to impossible. Show more
Dr Jago Cooper uses scientific and archaeological evidence to argue that Easter Island's demise was not solely due to its inhabitants' wilful use of its natural resources. Show more
The story of Britain through its art and treasures. David Dimbleby looks at how the 20th century saw Britons upturn ancient power structures and class hierarchies. Show more
Series about whales and dolphins. Explore the ocean's largest creatures - humpback whales, 200-ton feeding blue whales and southern right whales with one-ton testicles. Show more
