Big Ideas

ABC Australia

Your front row seat to big thinkers at the best live events, forums, and festivals. Feed your mind. Be provoked. One big idea at a time. Your brain will love you for it.

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Email: Bigideas@abc.net.au
SMS line for ABC Radio National: 0418 226 576

Airs Monday to Thursday 8pm, repeated Tuesday to Friday 12pm, on ABC Radio National.

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Yesterday · 54 min
Why Diego Bonetto wants you to eat weeds
Foraging and eating wild food is nothing new in Australia. First Nations people have done it for over 50,000 years. Even your grandparents often still used to search for eatable weeds, mushrooms and nuts at the edge of their fields and in the woods. This knowledge is lost today. But attitudes to weeds have also changed. We don’t see weeds as a valuable resource anymore, only as a pest to get rid of. Is it time to change that and to rediscover the traditional knowledge of foraging? And what would
Thursday · 54 min
Feminist trailblazer Gloria Steinem with Natasha Mitchell and guests on travels that transformed them
Trailblazing feminist, political activist, journalist, and founder of Ms Magazine Gloria Steinem died this week at age 92 after a big life changing lives. In her memoir My Life on the Road she recounted how taking to the road fundamentally changed her understanding of the world and who she could be. Médecins Sans Frontières co-founder, French diplomat and novelist Jean-Christophe Rufin worked in war zones as a doctor and walked the Camino de Santiago as a pilgrim. Acclaimed poet and Yankunytjat
Wednesday · 55 min
Are kid's books too moralistic, worthy, or 'woke'? Andy Griffiths, Hilary Rogers, Tamuz Ellazam for Radio National's Top 100 Books
Blockbuster Australian children's authors Andy Griffiths (The Treehouse series), Hilary Rogers aka Maddy Mara (Dragon Girls) and bookseller Tamuz Ellazam join Natasha Mitchell to share the iconic kid's books they'll be voting for in ABC Radio National's Top 100 Books (vote now!) — and weigh in on current controversies in kid's literature. Have children's books become too moralistic, too obsessed with teaching kids how to behave, or with imparting Very Important Messages? Is there a tension betw
September 8 · 54 min
Inside the life of Elizabeth II with royal biographer Robert Hardman
From the drama of her private world to the diplomacy of her position as queen. From the woman her family knew to the public figure the world saw. With unique access to royal family members, senior staff, and advisers Robert Hardman explores the parallel lives of Elizabeth as daughter, wife, mother and sovereign. Inside the Life of Elizabeth II was presented by the Royal Society of Arts, UK Speakers Robert Hardman British author, journalist and documentary filmmaker Author of Elizabeth II: In
September 7 · 1 hr
Tech activist Cory Doctorow says the internet's been enshittified. So is it too late to save it?
Leading tech critic Cory Doctorow coined the term "enshittification" to describe the slow decay of the digital platforms most of us are now forced to rely upon to operate in the modern world. So why and how did the internet get bad, and is it too late for people, countries and governments to reclaim technology as a force for humanity and the common good? This episode was recorded on 25 August 2026 at The Wheeler Centre, Australia's first dedicated centre for Books, Writing and Ideas, in partner
September 3 · 54 min
John Brack once painted his children. Now his adult daughter tells her story of life with the famous artist
She's the little girl in some of her father's most famous paintings, but life as the eldest child of artists John Brack and Helen Maudsley wasn't always easy. Clara Brack explores her childhood — and her parents' complex lives and relationship — in her new book The Secret Landscapes on not [pleasing your mother, which took her 20 years to write. This event was recorded at the Willy Lit Fest on 13 June 2026. Speakers: Clara Brack Author, The Secret Landscapes — on not pleasing your mother Gab
September 2 · 59 min
Roman Krznaric on why the history of human solidarity offers us radical hope, even now
Philosopher Roman Krznaric, author of History for Tomorrow: Inspiration from the Past for the Future of Humanity, The Good Ancestor, and founder of the Empathy Museum has been looking backwards to help us all find a way forward. What he discovered in the global history of human solidarity and social movements was a wellspring of brilliant solutions to current challenges — democracy, fossil fuels, hyper-consumerism, water, AI, racism, even rage bait on social media, and more. Join Roman with Big
September 1 · 54 min
Bob Spitz on the Rolling Stones and why all great music is a threat
From their earliest days as blues-obsessed kids living in freezing squalor, to the first taste of fame and the day they landed in the US and went stratospheric — and all the grit, glamour and gore in between. There are myriad revisions to the conventional narrative which underscore just how in control of their narrative the band has been up to now. But Bob Spitz got unique access to the group's friends and family. And he's sharing the details and examines a creative force whose power shows no si
August 31 · 53 min
Stephanie Alexander with Adam Liaw on 30 years of The Cook's Companion
Since 1996, The Cooks Companion has been a bible for Australian kitchens, a reliable friend who can tell you how to boil an egg, bake some bread, roast a chook, whip up a lemon delicious pudding — and much, much more. What is it about this book that's made it such an enduring go-to for household cooks for generations? This event was recorded live at the Sydney Writers' Festival at Carriageworks on 21 May 2026. Vote now in ABC Radio National's Top 100 Australian Books. Speakers: Stephanie Ale
August 27 · 58 min
Mick Herron, Suzie Miller and Benjamin Law on great adaptations — from the page to the stage to the screen, and back again
When a book becomes a hit TV series, or a play becomes a Hollywood film, what makes it a great adaptation? Meet the creators of these international smash hits as they take you behind the scenes, into the writers' rooms, and inside their creative minds. Suzie Miller's award-winning play Prima Facie has just become a Hollywood film starring Cynthia Erivo, while the sixth season of television's Slow Horses, based on Mick Herron's bestselling spy novels, starts next month. This event was recorded
August 26 · 54 min
Should social media be banned for over-16s too!? The 2026 Beaker Street Festival Great Debate
Interesting idea or nanny-state gone way too far? If babies weren't born to doom scroll, why do we think grown-ups are? Don't miss our hilarious annual battle of brains and bravado with two teams and Big Ideas' host Natasha Mitchell at the Beaker Street Festival: where science meets art. Australia was the first country in the world to ban under-16s from social media. France just struck down a push for the same. Are adults immune to all the harms of these platforms? Should OVER-16s be banned too
August 25 · 54 min
Kerry O'Brien on the perfect storm destroying our politics — with Richard Flanagan
Acclaimed journalist Kerry O'Brien has seen it all, but nothing like right now. And he's not mincing his words. On AI, neoliberalism, education, equality, gutless governments, and more. For over 50 years, he covered the world's biggest stories and changemakers, and asked tough questions of power. Hear why he thinks a perfect storm threatens our society and our politics, and what he thinks can be done about it. The 2026 Thea Astley Address was recorded at the Byron Writers Festival on Saturday 1
August 24 · 54 min
Why Oz Harvest's Ronni Kahn wants you to join the "Order of the Teaspoon" to end food insecurity and waste
It's estimated that one in three Australian households have experienced food insecurity. At the same time, one third of all food produced in Australia gets thrown out. For more than two decades, Ronni Kahn has been fighting these dual challenges as head of food rescue charity OzHarvest. She argues these ongoing dual challenges show a failure of imagination and of will. The 2026 Kenneth Myer Lecture was recorded at the National Library of Australia in Canberra on 4 August and in Melbourne on 6 A
August 20 · 54 min
Protecting Australia’s native plants
Australia is home to some 25,000 plant species. And nine out of 10 Australian plants occur nowhere else on Earth. But many are under threat. So why does that matter? This National Science Week, we meet a plant ecologist with a message. This conversation was recorded at the Lyrebird Festival in the Blue Mountains of NSW. Speakers: Rachael Gallagher Professor in Plant Ecology and Conservation, Hawkesbury Institute for the Environment, Western Sydney University Gregg Borschmann (host) Oral hist
August 19 · 54 min
Indigenous speculative fiction takes on the apocalypse — with Canadian sci-fi Indiginerd Chelsea Vowel
Dystopia or utopia? How do you imagine the future? In films and books, the future is often filled with alien invasions, nuclear war or the zombie apocalypse. But a movement of Indigenous storytellers is reshaping traditional science fiction tropes based on their own storytelling cultures and experiences. This event was recorded at the Melbourne Writers Festival on 10 May 2026. Speakers: Chelsea Vowel Candian Metis language instructor, public intellectual, writer, and activist educator Author,
August 18 · 54 min
Blast off! Exploring our solar system and beyond
We're going extraterrestrial with a panel of super star space scientists who are exploring the solar system and beyond. Will they find life out there? Which is the universe's best planet? And what's Matt Damon got to do with it? Incredible tales from Mars, Jupiter, and more. This event was recorded at the World Science Festival Brisbane on 29 March 2026. Speakers: Tracy Drain Chief Engineer with NASA's Europa Clipper Mission to Jupiter David Flannery Associate Professor of astrobiology, Quee
August 17 · 54 min
Too Dumb for Democracy? Why your brain struggles with good political decision-making
Think about the person whose politics you find most baffling, or most infuriating. Now imagine you must make a decision together. Actually negotiate, project forward, find common ground. That's democracy. And it turns out our brains aren't especially well-built for it. In an era shaped by inequality, environmental crisis and the decline of democratic institutions understanding how we make political decisions might be one of the most urgent questions we face. Recorded live at the Melbourne Writ
August 13 · 55 min
What makes television? 100 years of tumultuous change
It's been called the idiot box, the drug of the nation, the tube. This year marks 100 years of broadcast television. Over its lifetime, TV has adapted to big changes in technology, government policy, culture and media consumption habits. And yet, while its future remains uncertain, for now, it endures. This is the incredible true story of television. This keynote address was recorded at RMIT University's 100 Years of Broadcast TV Symposium: The impact and future of broadcast TV in Australia. S
August 12 · 1 hr
CENSORED! CANCELLED! BOYCOTT! The future of artistic freedom and democracy in Australia
How free should artists be to make risky work, to provoke, to get political? Who gets to decide if a work of art is deemed too risky, too dangerous, too difficult? Cancellations. Censorship. Controversy. Political pressure. Mass boycotts. The collapse of festivals. The Australian arts community has seen it all recently, in part triggered by the devastation in the Middle East. But is there more going on too? Join Big Ideas host Natasha Mitchell with a panel of arts and culture heavyweights to con
August 11 · 57 min
Forget The Odyssey. Yann Martel, Nikita Gill, Zoe Terakes have their own mythical retellings
Gods and goddesses, heroes and monsters, quests and odysseys, sex and violence. Greek mythology seemingly has it all. And as Christopher Nolan's box office smash retelling of the Greek epic The Odyssey suggests, these stories will never die. Join three superstar writers with their own mythical retellings to explore why these stories endure and how they have been re-imagined over time. The event Mythical Retellings was recorded at the Melbourne Writers Festival on 10 May 2026. Speakers: Yann M

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