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Misha Glenny and guests discuss what explorations are revealing of the life and geology at the bottom of the deepest oceanic trench in the world, much deeper than Everest is high.

Culhwch can love only the giant's daughter Olwen. To win her hand he must first complete a list of 39 impossible tasks.

National and international news from BBC Radio 4.

Can rescuing people from the sea sometimes be a crime? That question's been central to a high-profile court case in Greece, where aid workers who helped migrants were on trial.

Bells on Sunday comes from St Michael and All Angels church in Great Comberton in Worcestershire.

The latest weather reports and forecasts for UK shipping.

BBC Radio 4 presents a selection of news and current affairs, arts and science programmes from the BBC World Service.

National and international news from BBC Radio 4.

Susan Hulme reports as peers debate what the NHS's role would be if a bill to allow assisted dying under certain circumstances was to become law.

The latest weather reports and forecasts for UK shipping.

A spiritual comment and prayer to start the day with Virginia Luckett.

Timber security, why the UK doesn't have enough commercial forestry.

The latest weather reports and forecasts for farmers.

News and current affairs, including Sports Desk, Weather and Thought for the Day.

Gaurav Suri on intelligence; Adrian Woolfson on synthetic biology; and Joanna Kavenna on technology, dystopia and hope.

Hannah Hall from Penny's Pigeon Aid tells Rachel Burden how the charity helps care for pigeons and works to change perceptions about these birds.

Women's voices and women's lives - topical conversations to inform, challenge and inspire.

2/4. James Naughtie continues his look at the ideas tying America's founding to the modern United States, as he looks at what it means to be an American.

1/5. Britain's dry stone wallers were among the most influential craftspeople to ever work in this country, responsible for one of the greatest infrastructure projects in our history.

The latest national and international news from BBC Radio 4.

News and discussion of consumer affairs.

The latest weather forecast.

News, analysis and comment from BBC Radio 4.

1/5. Hugh Fearnley-Whittingstall explores how our intake of fibre has changed over human history. Does it matter that we no longer eat much of it.

Neil issues an invitation, and spirits are raised at Burns Night.

1/6. Richard Herring's comedy about family. Starring Alison Steadman, Phil Davies and Richard Herring. The Snell family has new adventures with online dating, a new baby and biscuits.

The series that looks at books, plays and stories and how they work. John Yorke reveals how Washington Irving's classic ghost story became a landmark of American culture.

Dr Sian Williams takes time out from her role presenting Life Changing to champion the Great Life of Anna Freud, held by many to be a founder of psychoanalytic child psychology.

Greg Jenner is joined in 20th-century America by Dr Hannah Thuraisingam Robbins and comedian Desiree Burch to learn all about singer and Hollywood actress Lena Horne.

High meat prices have led to a boom in meat smuggling. Charlotte Smith investigates the routes that illegal meat takes into the UK and the risks to public health and the economy.

Written by Bob Dylan for his Time Out of Mind album, Make You Feel My Love went on to become a huge hit for Adele and has been covered by Billy Joel, Ane Brun and many more.

News and current affairs, reporting on breaking stories and summing up the day's headlines.

National and international news from BBC Radio 4.

6/6. David Mitchell invites Miles Jupp, Celya AB, Michelle Wolf and Frankie Boyle to talk with deliberate inaccuracy on subjects as varied as men, statues, theft and martial arts.

Akram offers a suggestion, and there's a complication at the Rewilding.

Live magazine programme on the worlds of arts, literature, film, media and music.

The government has launched the Pride in Place scheme, but is it possible to regenerate urban areas without leaving local people out.

As Concorde's commercial service turns 50, we hear about the engineering challenges behind supersonic aviation and ask whether they'll ever be overcome.

Gaurav Suri on intelligence; Adrian Woolfson on synthetic biology; and Joanna Kavenna on technology, dystopia and hope.

Hannah Hall from Penny's Pigeon Aid tells Rachel Burden how the charity helps care for pigeons and works to change perceptions about these birds.

In depth reporting, intelligent analysis and breaking news from a global perspective.

6/10. The writer and R celebrate the old man's birthday in the secret room until there is an unwelcome interruption.

2/8. Ground-breaking action-thriller, adapted from the novel by James Swallow. Legendary agent Sam Fisher teams up with a new NSA recruit, who just happens to be his daughter.

News, views and features on today's stories in Parliament.