Three scientists go onto and into the Greenland ice sheet, further than anyone has travelled before, to find out how fast the ice is melting and gather the data that will help predict the future.

Sir Kenneth Clark reveals how the Dutch were the first to grasp the revolutionary change in thought that replaced divine authority with experience, observation, and experiment.

Kenneth Clark reflects on the music of 18th-century composers such as Bach, Handel, Haydn, and Mozart and how some of its qualities are embodied in the Rococo architecture of the churches and palaces of Bavaria.

Michael makes his way to the beautiful Sussex village of Ditchling, where a Roman Catholic community of artists made their home. In the seaside town of Bexhill-on-Sea, Michael hears of the work of the wartime air raid precautions wardens.

Shanaz Gulzar steps back in time while walking through the historic village of Heptonstall. Filming on her handheld 360-degree selfie-style camera, Shanaz rambles past Hell Hole, and along the canal in Hebden Bridge.

BBC FOUR is the BBC channel for people who want more. More depth, more range, more to stimulate the mind.

BBC FOUR is the BBC channel for people who want more. More depth, more range, more to stimulate the mind.

BBC FOUR is the BBC channel for people who want more. More depth, more range, more to stimulate the mind.

BBC FOUR is the BBC channel for people who want more. More depth, more range, more to stimulate the mind.

BBC FOUR is the BBC channel for people who want more. More depth, more range, more to stimulate the mind.

BBC FOUR is the BBC channel for people who want more. More depth, more range, more to stimulate the mind.

Coverage of Tottenham Hotspur v Chelsea in the Women's Super League.

Helen looks at volcanoes. With shocking eyewitness footage of eruptions, and new thermal imagery and ultra-high speed photography, we can now capture on camera the complex processes crucial to understanding how and why these forces of nature erupt.

Pym finds himself being recruited by the British Foreign Office and sent to Europe on various secret assignments before he marries and forms a partnership with Axel.

With Magnus Pym working in Washington with Axel, the heads of British and US intelligence argue over his loyalty. As Jack Brotherhood doggedly defends him, Magnus finds sanctuary in a remote seaside town in England.

After being brought back to Vienna, Magnus learns about his father's death and heads to London for the funeral. When he fails to return to Austria, Jack sets out to find him and begins to question his loyalty.

While Jack Brotherhood and his agents search the Vienna house for clues to Magnus' disappearance, Axel makes contact with Mary and offers to help find her missing husband.

Three scientists go onto and into the Greenland ice sheet, further than anyone has travelled before, to find out how fast the ice is melting and gather the data that will help predict the future.

Helen looks at volcanoes. With shocking eyewitness footage of eruptions, and new thermal imagery and ultra-high speed photography, we can now capture on camera the complex processes crucial to understanding how and why these forces of nature erupt.

BBC FOUR is the BBC channel for people who want more. More depth, more range, more to stimulate the mind.

BBC FOUR is the BBC channel for people who want more. More depth, more range, more to stimulate the mind.

BBC FOUR is the BBC channel for people who want more. More depth, more range, more to stimulate the mind.

BBC FOUR is the BBC channel for people who want more. More depth, more range, more to stimulate the mind.

BBC FOUR is the BBC channel for people who want more. More depth, more range, more to stimulate the mind.

BBC FOUR is the BBC channel for people who want more. More depth, more range, more to stimulate the mind.

Michael Portillo follows his 1930s Bradshaw's guide to the unspoilt East Sussex Cinque Port of Rye. On the windswept harbour beach, he hears how, in 1928, a generation of lifeboatmen lost their lives in a tragic rescue attempt at sea.

This historic coastal walk takes artist Shanaz Gulzar along a stretch of the 109-mile Cleveland Way. Starting in Runswick Bay, Shanaz climbs the steep steps to the cliff top before strolling the coastal path, absorbing the beautiful landscape.

David discovers the house's first resident, Victorian lawyer William Bruce, who tries and fails to save the life of a man convicted to hang for murder. Decades later, Bruce is serving as a Leeds magistrate when a similar case comes before him.

An opera star arrives at a performers' retirement home amidst fraught preparations for a fundraising concert. Her presence adds to the tension, but it also offers an opportunity to reunite a successful quartet.