Troy Cassar-Daley grew up walking a tightrope between two worlds after his mum and dad broke up when he was small. As a grown man, a trip on a country music cruise began to change his story (CW: discussion of suicidal ideation and suicide)

When Bonnie Hancock stumbled on a book in her local library, she got a gut feeling that refused to go away. And so she set off on a gruelling 12,700km journey around Australia on her surf ski

Cassandra Pybus exposes the secret trade of the skeletal remains of the first people of Tasmania. CW: This episode contains upsetting discussion about grave desecration and the trading of human remains

Fungi have given us many gifts, from penicillin to food, but they can also be quite scary. Dr Alison Pouliot spends her time trying to explain these strange alien-like things, which do their most interesting work underground (R)

The Australian actor looks back at his riotous life on camera, from Newsfront to Muriel's Wedding

Hana Assafiri was a child bride in her teens when she fought her way free of her violent husband. Then she built a new life helping other marginalised women (CW: the conversation discusses physical and sexual violence against women)

Dr Margaret Moore is fascinated by our most mysterious organ - the brain. By looking at stroke survivors, she is trying to understand how brains work, how they don't, and how they predict the world around them

Nick Cave has lived through addiction, love and unthinkable loss. His experiences have changed how he understands hope, heartbreak and optimism (R)

Keri Kitay with the story of her devoted, outgoing mum Terry, who was diagnosed with early-onset Alzheimer's disease at 54 years old

How headmistress Manisha Gazula radically (and controversially) transformed the literacy, and life, outcomes for her students at Marsden Road Public School

Writer Colum McCann with the story of Diane Foley, whose son James was murdered by the Islamic State (CW: this episode contains descriptions of violent acts and terrorism)

For 100 years Australia has been collecting tens and thousands of letters and diaries from deployed service personnel. These are just some of the moving, beautiful and tragic stories among them

When Dr Rhonda Wilson was in year 10, she was told she should drop out of school and settle for becoming "just a mum". This is how Rhonda defied the expectations others, and she, had for herself

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