Sunday Extra - Separate stories podcast

Adelaide's O-Bahn was the second guided bus railway in the world, and is now one of only four on the planet. But it has been an enormous success, and remains the most used public transport option in Adelaide. This year marks the 40th anniversary of Adelaide's O-Bahn, and the Bus Preservation Association of South Australia organised an informative tour to mark the occasion.

Guest: Michael Pretty - committee member of the Bus Preservation Association of South Australia, who organised the 40th anniversary O-Bahn tour, and is the proud owner of two O-Bahn buses.

This week's mystery caller occupies wooded habitats across the south and up the east – the Golden Whistler.

Emily Strasser was in her late teens before she began to realise the depth of her family's secret. Her grandfather, George, whom she had never met, had been a scientist at Oak Ridge in Tennessee, during the development of the atomic bomb that was eventually dropped on Hiroshima. This was the start of Emily's journey to uncover the truth about her grandfather's role and to come to terms with her family's past and the guilt she has inherited.

Guest: Emily Strasser, Professor in the Department of English at Tufts University in Boston and author of Half Life...

Much has been written about Errol Flynn, whose extraordinary life took him from Hobart, to Papua New Guinea, to Hollywood's Golden Age where he became an icon of the screen. But drawing from new sources including Flynn's own letters, Patricia A. O'Brien has written "the first complete account" of his life, which reveals the extent of Flynn's involvement in slavery, in more than one form.

Guest: Patricia A. O'Brien, Author of Errol Flynn - The true story of Australia's Hollywood icon, Adjunct Professor in Asian Studies at Georgetown University and Honorary Associate Professor in ANU's Department of...

Is the longevity of Australians in the 21st century actually a curse for future generations? Government spending on the elderly is predicted to grow significantly in the next 30 years, and the proportion of taxpayers will decline. So what are the burdens future generations will face if we all keep going on and on?

Guest: Lucinda Holdforth, speechwriter and author of Going On and On

As the negative effects of long-term alcohol use become clearer, it's a question that worries most modern parents: Is it OK to drink in front of your kids? Senior research fellow, Sergey Alexeev, has taken the question to task and joins Sunday Extra to talk about the findings of his new study Intergenerational Transmission of Alcohol Use.

Guest: Sergey Alexeev, Senior research fellow at University of Sydney, and Senior research associate at University of NSW

With the rise of popularity of One Nation with rural and regional Australians, what is the effect on refugees who have settled in regional areas? Do they feel welcomed and supported in  their communities? 

Our guest,Associate Professor Natascha Klocker, shares insights from her multi-year study “Settling Well investigates the impacts of refugee settlement in regional Australia”.

Guest: Natascha Klocker, social geographer, study lead and Interim Head of School, Social Sciences at the University of Wollongong

Type 5 diabetes is fast becoming a significant public health issue in parts of sub-saharan Africa, rivalling infectious diseases like Malaria and HIV. 

Why have Russia and China offered only tepid support to Iran in the form of statements criticising the US and Israel, and might that change if the Iranian regime goes to the brink of collapse?

After two years of sold-out shows in Sydney, in 2026 the Africa Film Fest is making its Melbourne debut. From Friday March 27 until the 29th, films from Ghana, Kenya, Nigeria, Sudan, Algeria and Guinnea-Bissau will be screened for the first time for audiences in Melbourne.

Tickets available at the Cinema Nova and Africa Film Fest websites.

Guest: Mumbi Hinga, co-director of Africa Film Fest

Early in her medical career, Dr Olivia Ong decided that instead of becoming a neurosurgeon, she would go into rehabilitation medicine. Little could she know how important that field would be to her not just as a doctor, but also as a patient.  Because one otherwise-ordinary work day, when a driver with dementia in the hospital parking lot accidentally hit the accelerator instead of the brake, Olivia was hit by a car and left with a serious spinal injury. She was told she would never again. 

The United States National Archives is celebrating the 250th anniversary of the founding of America with a lofty, high-altitude initiative called the Freedom Plane, a flying exhibition of nine founding documents of the American republic. 

The State government of Victoria has announced that later this year, a fee will be introduced for tourists visiting the Twelve Apostles along the Great Ocean Road. Traditional Owners and locals won’t have to pay - though it is not yet clear how ‘locals’ will be defined.

David Rae, CEO of Corangamite Shire Council provided an audio statement on the council's position on the upcoming visitor fee.

Guest: Liz Price, General Manager of the Great Ocean Road Regional Tourism Board

Werner Herzog's documentary Ghost Elephants takes us deep into the remote Angolan Highlands, following conservationist Dr Steve Boyes and a team of Indigenous trackers on an extraordinary expedition.

After more than a decade of work, Dr Boyes is preparing to venture into one of the wildest regions in Africa — in search of an elephant so elusive that even local trackers rarely see it.

Guest: Dr Steve Boyes, conservationist and National Geographic Explorer

Ghost Elephants is streaming in Australia on Disney+

Short-wave radio enthusiasts have eagerly reported the appearance of Farsi-language encoded messages being broadcast out of Western Europe. The messages are being transmitted via number stations, which are radio broadcasts used by intelligence agencies to send encrypted messages to agents in the field. It is one of the oldest forms of clandestine communication, dating back to the first World War, and is still used by modern intelligence agencies today because they're almost impossible to decipher. 

A major new study from the University of Sydney, published in The Lancet Psychiatry, has found medicinal cannabis is no more effective than a placebo in treating common mental health conditions like anxiety, depression and PTSD.

Despite that, more than one million applications for medicinal cannabis have been approved in Australia, with prescriptions continuing to rise.

So, is the evidence lagging behind prescribing?

And should the Therapeutic Goods Administration rethink how medicinal cannabis is regulated and prescribed?

Guest: Jack Wilson, Research Fellow at the Matilda Centre for Research in Mental Health...

Julian speaks with former Matildas vice captain Moya Dodd about the outcome of the Matildas Asia Cup final against Japan.

Guest: Moya Dodd, former Matildas Vice Captain

“A political earthquake” with “massive national implications”: that was the verdict of ABC Election Analyst Casey Briggs on the outcome of Saturday's South Australian state election.

Antarctica has long captured the imaginations of artists and poets, as well as explorers and scientists.

Since 2023, The University of Tasmania has been running a research project called Creative Antarctica , the first comprehensive survey of Antarctic-themed works by Australian writers and artists, funded by the Australian Research Council. 

Melbourne's RMIT is holding a free exhibition of works from the project, called Creative Antarctica: Australian Artists and Writers in the Far South until 2 May 2026. 

Guest: Elizabeth Leane, Professor of Antarctic Studies at the University of Tasmania.

Adam Elliot is an auteur writer and director of animated films, who has carved his own path in the Australian film industry with his idiosyncratic films that have resonated across the globe. 

Australia will mark the 30th anniversary of the Port Arthur massacre in April 2026. The process of dealing with the grief and its ongoing effects are dealt with in Beyond the Neck, a theatre production written by acclaimed playwright Tom Holloway.

Have you ever wondered what your ancestors were feeling decades or centuries ago? Rob Boddice is an historian who argues that differences in our contexts and world-views would make our emotional experiences completely different - even the experience of pain.

Guest: Rob Boddice, Core Fellow at the Helsinki Collegium for Advanced Studies at the University of Helsinki, author of The History of Emotions and A History of Feelings, and member of the Centre of Excellence in the History of Experiences at the University of Tumpere.

As an official in the US State Department, Edward Fishman worked on imposing sanctions on Russia. Eddie discusses his latest book Chokepoints, which examines how critical economic monopolies have become the key to geopolitical power in the twenty-first century.

Chokepoints was chosen by The Economist as one of the best business and economics books of 2025. 

Guest: Edward Fishman, Director of the Greenberg Center for Geoeconomic Studies at the Council on Foreign Relations

NASA crashed a spacecraft into an asteroid in 2022, hoping the kinetic impact would nudge it off its orbit. The mission was called the Double Asteroid Redirection Test, or DART.

Four years later, scientists have published their findings and say the experiment was even more successful than expected.

Guest: Rahil Makadia, planetary defence scientist at the University of Illinois, Urbana-Champaign and co-author of Direct detection of an asteroid’s heliocentric deflection: The Didymos system after DART

As the conflict in the Middle East enters its third week, Iran continues to launch attacks against US allies in the Gulf. Iraq, which borders Iran, is being struck by both Iran and the United States because the country plays host to a range of groups allied to both sides. 

This week seven members of the Iranian women’s soccer delegation were given humanitarian visas to stay in Australia rather than returning to Iran after competing in the Women’s Asian Cup. The events of this week echo previous instances of Australia giving humanitarian visas to athletes, such as the decision in 2021 to give visas to members of the Afghan women's cricket team. 

Julie Janson is a Burruberongal woman, novelist, playwright and poet. In her new book, Letters from India, she writes about the profoundly moving experience of visiting India as an Indigenous woman — the tears, the joy and the unexpected connections she makes along the way.

Guest: Julie Janson, novelist, playwright, poet and author of Letters from India

Deborah Cheetham Fraillon AO is a soprano and composer whose extensive CV includes Artistic Director of Short Black Opera and Dhungala Children's Choir, First Nations Creative Chair at Melbourne Symphony Orchestra, and Chair of Vocal Studies at the Sydney Conservatorium of Music. Deborah describes herself as a “21st century urban woman who is Yorta Yorta by birth, stolen generation by government policy, soprano by diligence, composer by necessity and lesbian by practice.” 

Her career began with the autobiographical one-woman stage play White Baptist ABBA Fan, and followed with Australia's first Indigenous opera, Pecan Summer, which Deborah wrote after...

Gatz is a six-hour theatrical reimagining of The Great Gatsby (eight and a half hours with intervals), which The New York Times called “the most remarkable achievement in theatre … this decade”.

Gatz will be performed at the Adelaide Festival from 13 to 15 March.

Guest: John Collins, director of Gatz and founder of the Elevator Repair Service Theater.

As doctors are weighed down by increased demands, reduced support and the fast pace of change in medical research, could AI help save the health system for both patients and physicians?

Guest: Dr Charlotte Blease, associate professor in the Department of Women's and Children's Health at Uppsala University, Sweden; researcher at Harvard Medical School; and author of Dr. Bot: Why Doctors Can Fail Us — and How AI Could Save Us.

Roughly 98% of all global internet traffic travels not via phone towers or even satellites, but underwater, along a vast network of fiber optic cables that run some 1.5 million kilometres along the ocean floor. 

Rapper-turned-politician Balen Shah has been elected Nepal's new Prime Minister. The 35 year-old was the mayor of Kathmandu before he ran against former leader KP Sharma Oli.

Nepal went to the polls on Thursday 5 March, just six months after the Gen Z protests that saw the deaths of dozens of students and ultimately brought down the government of the day.

Guest: Roman Gautam, journalist and editor of Himal Southasian magazine.

Reza Pahlavi, the son of the last Shah of Iran, is pitching himself as a democratic future leader of Iran, claiming to have broad support in Iran. Who were the Pahlavi Shahs and what was life like under their rule?

Iran’s control of the Strait of Hormuz highlights how vulnerable global trade routes can be to disruption — and how easily strategic choke points can be weaponised.

Guest: Sarah Schiffling, Deputy Director of the HUMLOG Institute and Assistant Professor of Supply Chain Management and Social Responsibility at the Hanken School of Economics.

Donald Trump has announced the death of Iran's Supreme Leader, Ayatollah Ali Khamenei from a missile strike coordinated by the United States and Israel. Julian speaks with UN and New York Correspondent at the BBC Persian Service, Bahman Kalbasi about what this means for the Iranian regime. 

Guest: Bahman Kalbasi, UN and New York Correspondent for the BBC Persian Service.

Bob Brown is a giant of the environmental movement and Australian politics.

A former doctor, Bob is the co-founder of the Australian Greens, served as a Senator from 1996, and party leader from 2005 until his retirement in 2012. Today at 81 he continues his lifelong work of environmental campaigning with the Bob Brown Foundation. 

The first biography of Bob aptly called him the “Gentle Revolutionary”. The BBC once called him the World’s Most Inspiring Politician.

1976 is the year Bob has called his "year of reformation". The seeds of Australia's most significant environmental campaign were sown when he...

As Constitutions go, America’s is the most famous and revered document. By contrast, the Australian constitution doesn’t inspire as much interest.

Two lawyers have taken upon themselves the task of promoting awareness about the Australian constitution and the constitutional system that surrounds it with a new book that former Chief Justice and Sunday Extra guest Robert French says is a “comprehensive and readable explanation of its history and working”.

Guest: Rosalind Dixon, Anthony Mason Professor of Law at UNSW, and co-author of The People's Guide to the Australian Constitution

Fiume o Morte! Has been praised as “the funniest and most unorthodox history lesson of the year”. In January, it was awarded Best Documentary at the European Film Awards. 

100 word including guest & book

When Canada's Prime Minister Mark Carney gave his rousing speech on middle powers at Davos, he quoted Václav Havel - the Czech dissident, and later president - from his 1978 essay The Power of the Powerless.

Carney’s references to Havel’s essay prompted Australian Catholic University Professor of History Darius Von Guttner to write about The Power of the Powerless in The Conversation, where he described it as “eerily relevant today” 

Guest: Darius Von Guttner, Professor of History at the Australian Catholic University