As President Trump takes office, Katty Kay in Washington and Christian Fraser in London report on the events that are shaping our world.

Adam Rutherford travels to Holland to find out what it was that drew Rembrandt to anatomy and why dissecting bodies was thought a suitable subject for high art. Show more

Wildlife series. Steve Backshall descends into the crater of a giant extinct volcano in New Guinea which biologists have long believed could be home to spectacular new creatures. Show more

Professor Bruce Denardo attempts to prove if there is any truth behind the legend of the Bermuda Triangle, where many ships and planes have disappeared in mysterious circumstances. Show more

A Storyville documentary: chronicling magician James Randi's debunkings of faith healers, fortune tellers and psychics, including Uri Geller and tent-show evangelist Peter Popoff. Show more

The real history of Britain's servants. Dr Pamela Cox looks at the grand houses of the Victorian ruling elite - estates dependent on an army of staff. Show more

Dr Michael Scott explores the legacies of ancient Greece, investigating what made the Greeks so successful and why they still have a powerful hold over our imaginations today. Show more

Drama documentary. King Harold of England has to take on two invasion forces. His brother Tostig attacks the south coast, then King Harald Hardrada lands in north England. Show more

The language of Gothic came to encapsulate the 20th century's horrors, from Marx's analysis of capitalism to Conrad's dark vision of imperialism. Show more