Conversations

From muscle paralysis and sleepwalking, to the power of our subconscious, Dr Sutapa Mukherjee takes you into the secret world of sleep

When Ray Kelly Snr's grandfather was asked to translate "telephone" into Gumbayngirr, he responded with “muuya barrigi”, or flying breath (CW: Aboriginal and Torres Strait Islander listeners please be advised this program contains discussion of people who have died. Please take care when listening)

Pádraig Ó Tuama survived conversion therapy and exorcism as a young gay man in a church in Ireland, then became a leading peace negotiator and a poet (R)

Carly-Jay Metcalfe lives with cystic fibrosis, and has faced a double lung transplant, a rare cancer and other huge medical challenges. But through it all humour and hope have fuelled her survival (CW: this story discusses organ transplant and donation, drug use and self harm)

Writer Lech Blaine on Peter Dutton, the former policeman who became the leader of the Liberal Party of Australia

Scientist Tanya Latty on how a single-cell organism, slime mould, can solve complex problems in some remarkable ways (R)

What was on the "must-see" lists for tourists in 200 BCE? From the Hanging Gardens of Babylon to the Great Pyramids at Giza, historian Bettany Hughes is your tour guide through the seven wonders of the ancient world

Journalist Marina Kamenev on the changing story of our families in the 21st century (CW: discusses donor conception)

The investigative reporter reflects on her beloved Ringsend relatives and what drives her work holding powerful organisations to account (CW: discussion of suicide and confronting material)

Tom Gleeson discovered and honed his distinctively caustic, laconic style of humour in some unlikely places (R)

Dean Summers became a long-distance swimmer in midlife. Now he swims with sharks, jellyfish and bioluminescence in wild oceans around the world

For writer James Bradley, the ocean is the connective tissue that holds all of life on Earth together. But how did it get here in the first place?

From the rodeo to the dining room table, this is a collection of strange, funny and sombre stories from real families

Glennon was the world's most famous Christian mummy blogger when she fell wildly in love with U.S Women's Soccer star Abby Wambach (R)

Ayesha Jehangir left her rural village to get a better education; she left Pakistan to explore Afghanistan; and she left an abusive marriage to find her place in Australia. But she remains deeply proud of her Pashtun roots

Bri Lee on the brutal series of events which began her life as a writer tackling injustice in our courts, the beauty industry, and in our schools (CW: description of legal processes relating to sexual assault)

Phil Kafcaloudes grew up hearing stories about his legendary grandmother Olga, who became a spy for the British in WWII. When he grew up, he went in search of her story (R)

Jane Fonda's big life has included Barbarella, activism, three husbands, workout videos and hair epiphanies. Now in her 80s, she's devoting her energy to raising awareness about climate change (R)

The oud virtuoso reflects on his path to the instrument, via a stamp collection and an Egyptian movie star

Best-selling crime writer Candice Fox has written 17 books. But she also has a second life hurtling around Sydney rescuing stranded wallabies, cockatoos, possums, lizards and frogs

David Goodwin spent years working the graveyard shift at his local service station in the outer suburbs of Melbourne. The grungy work quickly took over his life

Australia's first Pasifika university Professor, Jioji Ravulo was just a boy with the flu when a trip to his father's homeland turned him into a chief

Anton Clifford-Motopi didn't see a face that looked like his until he became a father. And it would take several more years before he learned who he truly was

Ecologist David Lindenmayer first went into the Mountain Ash forests of Victoria in search of the tiny Leadbeater Possum, and he discovered an amazing world of songbirds, rare gliders, and fierce leeches

Football tragic Andy Paschalidis was in his 50s when a dear friend and fellow player died during an over-35s soccer game. The tragedy altered the course of his life

The former frontman uncovered boxes from his adolescence in his attic, and he was amazed at his early, detailed plans to take over the music industry (R)

What would a human settlement on Mars look like? How would humans procreate in space? And what on earth is a 'snuggle tube'? These are all questions Dr Kelly Weinersmith is trying to answer

When Jonathan Rosen was a child he had a neighbourhood friend called Michael Laudor. Their very similar pathways in life dramatically, and darkly, diverged after they graduated from Yale University

When Zoya Patel became besotted with horses as a child, she could never have imagined how they would help shape her life and relationships

Shaun Christie-David's parents came to Australia fleeing civil war in Sri Lanka. By age 13, he knew he wanted to be a banker. But life inside the world of money and Maseratis was nothing like he'd imagined

Marcus Fillinger has taken his military experience and wildlife rescue charity to Ukraine, where, as a civilian, he evacuates abandoned lions, wolves and caracals from active war zones

After a dispiriting stint as a Chartered Accountant, Ross found his perfect job: explaining the Australian economy, in plain English, to millions of people

As a teenager, Jodi Rodgers got a job as a disability support worker and met a 6-year-old girl who would change her life

When Pauline McGrath's husband David was diagnosed with a brain tumour, she supported him as he chose a different path to death (CW: discussion of death and dying)

Some of the wildest stories about Roman emperors involve playing the violin while watching the city burn, and appointing a horse as consul. Classicist Mary Beard is fascinated by how much truth there could be to these tales

Deeply ashamed of what he had done, Mic Whitty retreated into the Welsh wilderness for almost a year. Eventually an unexpected goal pulled him out of homelessness and back into the world

Satu Vanska grew up in Japan as the child of Lutheran Missionaries. When the family moved back to Finland, she felt isolated and alien. But Satu knew she had a ticket out - her violin

The podcaster and comedian on her early life in Queensland, where she yearned to wear a coat; lessons from improv comedy; and how eyebrows were the key to finding her biological family (R)

As a child Trent was a quiet observer of the drama of his family and his neighbourhood. He became an award-winning writer (R)

Brigitte Muir's dream to climb the seven highest mountains on each of the seven continents took much longer and cost her more than she expected, but she also discovered more about herself than she could have imagined

Dr Jayashri Kulkarni on her Indian-Australian upbringing and her groundbreaking research into women's hormones and mental health

Federal MP Andrew Leigh is a former professor of economics who is fascinated by how economics can create magic

How Jeanne Ryckmans fell for a dashing Irish Professor who was far from what he appeared to be

Historian Alison Bashford with the story of the Huxley family, who founded one of the great dynasties of the world

Dominic Riley on how a chance encounter with a bookbinding monk named Brother Bede changed the course of his life (R)

Australia's storyteller in song on the poems he's loved since childhood, and how reading and learning great poetry has changed his songwriting (R)

Artist David Rankin on his turbulent early life as a the son of a bootmaker, his unexpected path into painting, and his passionate love story with writer Lily Brett (R)

Sophie Matterson spent five years preparing to cross the Australian continent with five camels she caught and trained herself (R)

Nick Clemann is one of Australia's leading lizard experts, but took an unconventional path into research. After working for years as a tradie, Nick plucked up the nerve to go to university, walking into what he thought was territory reserved for the intellectual elite

Victoria Vanstone was just 13 years old when she had her first drink, and the booze quickly consumed her. It wasn't until she was in her 30s that Vic realised she needed to do something radical

Sue Lowry originally trained as an opera singer, but while living in London she fell in love with teaching children with special needs

The actor on the late love of his life, his wife Joan Washington, and the final message she left him (R)

Dr Kira Westaway has been on a ten-year mission to solve the mystery of how, why and when a giant ape called Gigantopithecus Blacki became extinct, and why nothing remains of this beast but thousands and thousands of teeth

Nazeem Hussain honed his comedy in Melbourne's suburbs in the 1990s. After his father left the family, his fearless mother taught Nazeem how to use humour to get bullies off his back

Mark Balla was on a business trip to India when he met two young men on a train. They invited him back to see their home, one of the world's biggest slums. This meeting changed the course of Mark's life

Dr Ameliah Scott pilots herself around remote NSW to take care of animals and have a cuppa with their owners.

For years, Adele Dumont had been secretly pulling out her hair from the root so obsessively she created a bald spot at the crown of her head. Eventually, she learnt her compulsion had a name

After feeling burnt out, Jackie Carpenter spontaneously applied for NASA's Space Camp. She was the first Australian accepted, and it was the most transformative experience of her life

Julia Baird has been sustained through hard times by acts of "moral beauty". In a world marked by division, these gestures have the power to restore our shared humanity

Dr Robert Waldinger on what it takes to live a happy life

The hardship, cruelty and loneliness of the mission system during the Great Depression didn't crush Aunty Ruth Hegarty's spirit. She found her voice, God and her family

After a life of controversy, crime and corruption, disgraced former police detective Roger Rogerson died last week, aged 83. Peter Hoysted met with Rogerson on several occasions

Louise Pryke is one of few people in the world who can read the ancient language in which The Epic of Gilgamesh is written. The mammoth, wild tale is still being deciphered from thousands of clay tablets

Dr Liz Allen is a demographer fascinated by Australia's demographic trends. But her own story is a remarkable case study in deviating from the norm

Nancy Withers has been breeding and training kelpies for 50 years, but one dog stands out from the rest, and he changed her life forever

These are just some of the remarkable and quirky people who helped write the Oxford English Dictionary

At 19 years old Jane Perlez visited China in the middle of the Cultural Revolution. She would return there as a journalist decades later to cover the biggest story of the 21st century

In 1927 Francis Birtles set off on a grand adventure from London to Melbourne, through murderous mountain ranges and blustering blizzards, in a Bean motorcar

International Chess Master and champion Irina Berezina credits her incredible chess-trained mind with helping her survive multiple international disasters

Costa is the friendly face of Gardening Australia, a devotee of composting, keeping chickens and developing insect hotels (R).

Dean Laws was in his 50s when doctors told him he had Parkinson's disease. For a time, he was devastated. Then he formed a running crew with his friends called 'The Dean Team', and made a plan to run the Sydney Marathon

Some years ago, Karin Bäumler found herself in a fight for her life after being diagnosed with ovarian cancer. In the thick of it all, making music was a refuge

Amar Singh's sense of belonging to Australia has only grown since he leant into his Sikh faith, growing out his beard and his hair, wearing a turban and committing himself to the service of his entire community

Voyager frontman Danny Estrin on his unconventional path from heavy metal to law and the Eurovision grand final

Former top Detective Deb Wallace with ingenious and surprising stories from her working life smashing criminal gangs in Sydney

For 25 years Sandy wondered what became of the little yellow dinghy he left in Romania, after a months-long voyage from the UK. Could it still be waiting for him the marshes of the Danube Delta, ready for another adventure?

Melissa Lucashenko was a motorcycle detailer, a house painter, a prison advocate, and a game show contestant before finding her way as a writer

The actor and author thinks that nowhere in the world is the English language more poetic, colourful and persuasive than here in Australia

Alecia Simmonds with tales from a time in Australia's legal history when the jilted and broken-hearted could sue for redress in the courts

Tom Holland on the glories, bloodshed and barbarianism of the golden days of the Roman Empire

Antony Penrose grew up knowing little about his remarkable mother Lee Miller, who had studied with Man Ray in Paris, and become a model, a photographer, and a war correspondent. But then an unexpected find in the family attic changed everything

Lucy Godoroja deals in the business of buttons, and the stories each button carries with it from Bohemia, or Milan to her shop in Sydney, and then into the hands of passers-by

British-Australian journalist Hayley Campbell uncovers the secret society of the western world's death industry, run by people who have made death their life's work. CW: contains discussions of death and descriptions of dead bodies

Writer and journalist James Phelps takes you inside the bluestone walls and medieval-looking turrets of Australia's most infamous jail

Jon Owen on how he chose a life of 'intentional downward mobility' to help addicts, sex workers, and the homeless, from Calcutta to Mount Druitt to the Wayside Chapel

How a fashion-loving misfit from Sydney took over Hollywood with husband Baz Luhrmann, winning more Oscars than any other Australian (R)

Professor Ian Hickie has spent decades trying to understand clinical depression. Where does it come from? What role do genes play? And most importantly – what works to release its chokehold?

Brendan Watson took his Scouts promise very seriously as a young boy. He's leaned in to his pledge in some very unexpected ways, from Moscow to Mongolia and through temporary blindness back home again

Ecologist Katherine Moseby is helping Australia's bilbies, quolls, and stick-nest rats evolve to become tougher, faster and stronger, so they can survive the looming threat of more than 2 million feral cats (R)

Mick O'Regan met his feisty, brilliant wife Jo for the first time on a work brigade in Nicaragua. They fell in love and had a beautiful baby boy. Then quite unexpectedly, when Jo was in her 50s, Mick became her carer

Darryl Jones on the dramatic lives of Australia's city-dwelling native birds

When David Hannan was a young man, he fled university and took a detour to the wild coral coast of WA where he became a lobster fisherman, before earning an Emmy for his underwater cinematography

Kylie Moore-Gilbert spent two years inside the Iranian prison system, secretly communicating with fellow women prisoners while she waited for news from Australia

Richard Flanagan was forever changed as a young man, when he was trapped for hours and almost drowned in an isolated stretch of river on Tasmania's wild west coast

Writer Kate Forsyth on how revisiting the story of a mythic Minotaur lurking in a labyrinth in Crete helped her realise that we all need monsters (R)

Zayd Dohrn’s parents were militant left-wing revolutionaries, and he was born while they were living underground, fugitives from the FBI (R)

Dr Merrick Ekins is Australia's leading expert in carnivorous sea sponges. Some sponges are secret killers, others are made up of glass and imprison tiny shrimp-like lovers for eternity, and others make love to themselves to reproduce

On a whim, Bruce Englefield bought a wildlife park in Tasmania and moved from across the other side of the world to make life better for Tasmanian Devils

The Danish-British author and comedian on her father's laissez faire attitude to school, and how this opened her mind and brought her to NASA's mission control room for the moon landing of 1969