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A deal for the UK to sell tanks to Iran was cancelled after the Islamic revolution. The company behind it is owned entirely by the British government - International Military Services. Even today, it may hold the key to Nazanin Zaghari-Ratcliffe’s release. Presenter: Ceri Thomas Producer: Matt Russell Original music: Tom Kinsella A Tortoise Media production for BBC Radio 4

What’s the key to bringing home Nazanin Zaghari-Ratcliffe, the British woman who has been held hostage in Iran for almost six years? And how closely linked is Nazanin’s release to a tank deal debt more than 40 years old? In episode 1 of Nazanin, former Today programme editor, Ceri Thomas, explores the origins of the debt, the apparent corruption which surrounded the deal which created it, and its long, difficult legacy. It’s a story which begins in the freewheeling 1970s when the need to ‘grease the wheels’ of big arms deals seemed barely controversial, and when the Shah of Iran and a notorious middleman known around Whitehall as ‘Mr 1%’ were able to pocket millions in commissions paid by the UK. And it leads back to the fate of more than one hostage today. Presenter: Ceri Thomas Producer: Matt Russell Original music: Tom Kinsella A Tortoise Media production for BBC Radio 4

The Irish cultural industries have in recent decades managed to turn James Joyce into a valuable tourist commodity - 'a cash machine', 'the nearest thing we've got to a literary leprechaun.' Joyce would surely have disapproved. "When the soul of man is born in this country," he wrote, "there are nets flung at it to hold it back from flight. You talk to me of nationality, language, religion. I shall try to fly by those nets." That is precisely what he did, leaving Ireland behind and living more than half his life across Continental Europe. As Anthony Burgess put it, "Out there in Europe the modernistic movement was stirring," and by placing himself in the cultural cross-currents of cities like Trieste, Rome, Zurich, Paris & Pola, where he experienced the early rumblings of Dada, Psychoanalysis, Futurism et al, Joyce became a part of an endlessly plural social and linguistic explosion, far removed from the monolithic oppressiveness of Ireland. Backed up by interviewees including Colm Tóibín, John McCourt an

‘He was interested in why I was so attached to this penguin’ Bex is at university when she starts feeling anxious and overwhelmed. As Bex deteriorates, doctors are in a race against time to diagnose her. And that’s where the penguin comes in. In Room 5, Helena Merriman interviews people who - like her - were changed by a diagnosis. Written, presented and produced by Helena Merriman Composer: Jeremy Warmsley Sound Design: Eloise Whitmore Production Co-ordinator: Janet Staples Editor: Emma Rippon Commissioning Editor: Richard Knight #Room5 With special thanks to Rachel Roberts, principal viola with the LSO End song: Miffed by Tom Rosenthal If you have a story you’d like to share you can email: room5@bbc.co.uk

Fifty years ago on 30 January 1972, a day that came to be forever known as “Bloody Sunday”, soldiers of the First Battalion, the Parachute Regiment, shot dead 13 civil rights marchers in Londonderry/Derry. Peter Taylor tells the story of that day with a mix of his own unique archive and new interviews from those on all sides about what the events meant then and still mean today - including a rare interview with Lord Saville, who carried out an exhaustive 12 year Inquiry into the events of that day. Bloody Sunday was the moment that changed the history of the conflict in Northern Ireland. It saw the re-birth of the IRA with hundreds of new recruits joining in the immediate aftermath of that day's events. And it was the spark which ignited and intensified the so-called Troubles, which left 3600 dead and tens of thousands injured. Producer: Jim Frank Editor: Penny Murphy

At night women say goodbye, telling each other "text me when you're home". We carry keys between our knuckles, avoid dark streets, cross the road, then cross back again, keep looking over your shoulder. In Night Watch, four women from different parts of Britain share stories of street harassment. Woven through this feature is a new, specially commissioned poem by Hollie McNish. The murders of Sarah Everard and Sabina Nessa compounded the perception of city streets as male spaces- unwelcoming and unsafe for women, and other marginalised groups. Is this the way it's always been? In these raw and unfiltered accounts women will hear their own experiences echoed back in others' words; stories of shouted insults, rejected come-ons, intimidation. Featuring the voices Nosisa and Alison Majuqwana, Aggie Hewitt, Katie Cuddon, Alice Jackson the co-founder of Strut Safe, author Rebecca Solnit, author and moral philosopher at Cornell University Kate Manne and design activist Jos Boys. If you've been impacted by any of the

Felicity Finch reports on a pioneering project that sees members of the Royal Philharmonic Orchestra working alongside inmates in HMP Norwich. The aim is to workshop, draft and perform personal songs that will help establish a bond between offenders and their children.A lullaby is the most immediate of musical forms. The singer is a parent, the audience a child. The communication is intimate and helps form intangible bonds. A reality of prison life is that those bonds are, to a great or lesser extent, broken. The Lullaby Project, run by the Irene Taylor Trust, is an attempt to create all the positives of that parental link, without undermining the reality of prison life.Felicity has been given unique access through the Irene Taylor Trust, to follow their artistic director Sara Lee. Sara and a group of musicians made three visits to Norwich prison to help the inmates write lyrics and work on ideas for melodies and rhythms that will result in lullabies that can be recorded. The process is rewarding in itself, b

How a simple DNA test turned a world upside down, leading to profound questions of identity. When 71-year-old Philip was given a genetic testing kit for Christmas, he assumed he would stumble across an ancient line of nobility or a novel identity to latch onto. Instead, he found himself unravelling a mystery with more twists and turns than a spiralling strand of DNA. David Reid meets an extraordinary group of people who sent in DNA samples and tested negative to the question: “Who am I?” Join them on a moving, funny and thought-provoking journey as they dig through layers of family myth and secrecy to unearth the incredible story of their origins. Produced and presented by David Reid Editor: Hugh Levinson Production Coordinator: Jacqui Johnson Sound: Tom Brignell

80 years after female conscription, the final few tell their extraordinary World War Two stories as part of the ATS. By war's end, 290,000 women of all backgrounds had served in the Auxiliary Territorial Service. It may have had a less glamorous image than its naval and air force counterparts but the ATS was by far the biggest military service for women. Initially the ATS had a reputation for dull demeaning work. That changed in 1941. In December of that year, for the first time in British history, young single women had to join Britain's war effort. Their choice of jobs expanded dramatically. Dr Tessa Dunlop unpacks some of the controversies that accompanied putting girls, en masse, into military uniform. With a rich cast of veterans she examines the impact and legacy of Britain's female army. Class, comrades, conflict, loss, love, work - for a generation of young women military service was life-changing. Presenter: Dr. Tessa Dunlop Producer: John Murphy Archive in the programme from BFI National Archive and

At the start of 2021 and the implementation of Brexit, a trade border was created between Great Britain and Northern Ireland. What does this mean for ordinary people who cross the Irish Sea? And where exactly is this border anyway? Neil McCarthy boards Stena Line's ferry 'Embla" which plies a daily and nightly course between Birkenhead and Belfast. He talks to passengers, and crew, lorry drivers and historians, crossing this body of water that both separates and binds the two islands on a search for the elusive line in the water. 'Meridians' written and read by Mark Ward Sound design by Phil Channell Produced and presented by Neil McCarthy

100 years ago the Anglo-Irish Treaty was signed, bringing to a formal end the Irish War of Independence and ending centuries of British colonial control. During the war members of the IRA were pitted against the Royal Irish Constabulary, the British Army and the notorious Black and Tans and Auxiliaries. It's a story of divided loyalties and the unresolved traumas of war, with resonance today as Britain and Ireland struggle to address the legacy of the more recent violence of the Troubles in Northern Ireland. In an investigation into the fate of one man, James Kane, the River Man, executed by the IRA a century ago, by men he knew and who liked him, Fergal Keane explores some of these issues. Why did they kill him and what were the consequences for his family and his executioners? Producer: John Murphy

Will Self tells the story of his black bin bag... from his back door... to its final destination. It's the story of a modern-day dump - an extraordinary, alien, nauseating world - where, instead of being buried, the rubbish will go up in smoke. Voices of waste workers intermingle with the rubbish in a go-round of garbage, scored by Jon Nicholls. There are the bin men who believe 'you just gotta get in the groove' as they walk ten miles a day, to 'pick up a bit of crap, sling it in the back of the lorry and take it down the dump'. There's the weighbridge clerk at the sorting facility taking pride in separating the 'sheepy recycling from the goatish garbage' to load it onto enormous steel containers. Boatmen on the Thames steer these huge barges, bright orange in colour, past the great landmarks of London in 'a cockney pas-de-deux danced with detritus'. Downriver, the bag arrives at its destination - a giant industrial incinerator where ten thousand tonnes of waste are going up in flames, at temperatures of 850

Regenerative Farming is gaining traction around the world as a means of increasing biodiversity, improving soil quality, sequestering carbon, restoring watersheds and enhancing the ecosystems of farms. The shepherd James Rebanks, author of English Pastoral, is on a quest to find out if it is possible to adopt these methods on his farm in the Lake District. He meets leading proponents of these methods in the UK, US and Europe and discovers how mimicking natural herd movements, stopping ploughing and adding costly chemicals could make his farm economically sustainable.This is becoming an urgent question as not only is the global population projected to rise to nearly 10 billion by 2050 but according to the UN's Food and Agriculture organisation within 60 years we may literally no longer have enough arable topsoil to feed ourselves. Meanwhile our reliance on meat products is being blamed for increasing CO2 and climate change.But can James,and indeed other farmers, make the switch to these techniques when industr

Horatio Clare examines how the pioneering writer Jan Morris authored her own life, from her nationality to her sexual identity, trying to get behind the myths and masks she created.Jan Morris wrote more than fifty books but also constructed her life to a degree rarely seen in one individual. She created a glittering career, invented a writing style, chose her nationality and most famously, transitioned. Horatio talks to Michael Palin, travel writer Sara Wheeler, and Jan's biographer Paul Clements, and visits Jan's home in North Wales to meet her son Twm Morys. Hearing interviews she recorded throughout her long life, he attempts to find out who Jan Morris really was.James - as she was then - Morris knew from a very young age both that he was in the wrong body and that he wanted to be a writer. Through a combination of self-confidence, determination and what Jan herself describes as her ‘insufferable ambition’, she achieved what she set out to, becoming one of the most successful journalists of her generation

Twenty years ago - in the mind-numbing aftermath of the terrorist attacks on America - the immediate, mind-numbing response of the media was to ban laughter. All laughter, including jokes, chuckles and guffaws. This is the story of what happened next. With contributions from Private Eye to The Onion, via David Letterman, the News Quiz and Have I Got News for You. As well as 9/11 and the death of Bin Laden, Joe Queenan explores the pandemic and the US retreat from Afghanistan."What a year 2021 has been – from the storming of the capitol in Washington to the fall of Kabul to the Taliban, this has not been a good time in the US. Probably not so great in the UK either. Throw in some riots, add in the climate crisis and the plague – none of this is worth the slightest lame joke. But is it worth a good joke?"With contributions from three US presidents, plus Ian Hislop and Adam MacQueen from Private Eye, Armando Iannuci (creator of The Death of Stalin), Susan Morrison of the New Yorker, and Robert Siegal editor of T

Who was behind the 2009 hack and leak of emails that fuelled climate change sceptics?Gordon Corera tracks down some of the sceptics engaged in a long-running battle with the climate scientists over data, and he considers the legacy of the events of 2009.Producer: Sally Abrahams Editor: Richard Vadon

Who was behind the 2009 hack and leak of emails that fuelled climate change sceptics? Who benefited most from the ‘Climategate’ hack? Powerful corporate interests have been fighting an acceptance of climate change for years. Could they have been behind the hack?Presenter: Gordon Corera. Producer: Sally Abrahams Editor: Richard Vadon

Who was behind the 2009 hack and leak of emails that fuelled climate change sceptics? The investigation turns East – towards Russia. Could the mystery hacker have come from there, or was Russian intelligence behind the attack? Where does the evidence lead? Presented by Gordon Corera.Producer: Sally Abrahams Editor: Richard Vadon

Who was behind the 2009 hack and leak of emails that fuelled climate change sceptics?Tracking down the police officer in charge of the original investigation into ‘Climategate’, Gordon Corera hears about the list of suspects and meets with Britain’s top cyber spy.Producer: Sally Abrahams Editor: Richard Vadon

In 2009, someone broke into the Climatic Research Unit of the University of East Anglia and stole emails. The material was distributed online - mainly on blogs linked to climate change sceptics. It was used to make the case that scientists were surreptitiously twisting the facts to exaggerate climate change. That was not the case. But before that became clear, events would take on a life of their own, sparking a global media storm. This is a story that matters - firstly because it may have set back by years efforts to combat climate change. But also because it foretold a future in which emails would be stolen and weaponised and where information and social media would be used to cast doubt on science and expertise. More than a decade on, as the UK hosts a new global climate summit - COP26 in Glasgow - the mystery of who was behind ‘Climategate’ remains.    BBC Security Correspondent Gordon Corera goes on the trail of this ‘cyber cold case’, talking to the key players as well as police and spies, taking the li