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Big Ideas

Big Ideas

ABC Australia 248 Episodes Jul 2, 2026

Big Ideas is a podcast that brings you front row seats to big thinkers at live events, forums, and festivals. Each episode presents one big idea designed to provoke thought and feed your mind. The show airs on ABC Radio National and encourages listener interaction via email and SMS.

Episodes

Is the cosmos unravelling? With theoretical physicist Tony Padilla Jul 2, 2026 0:54:36 Forget climate change, forget nuclear Armageddon, did you know that the universe is unravelling? It's probably aeons away, but according to physics, dark energy could end us all. Join award winning theoretical physicist Tony Padilla at this Sophia Club live philosophy event, to explore the torrid birth of the early universe, traverse the twisted hearts of black holes, skip throug
A song for every feeling? Pub Choir founder Astrid Jorgensen has a big story to tell (REPEAT) Jul 1, 2026 1:04:07 Need a mid-Winter pick me up? Well this is the conversation for you!  You could call Astrid Jorgensen a choir conductor, but that really doesn’t capture what she does and the global phenomenon she’s created. On any one night, anywhere in the world, you’ll find Astrid on a stage in front of a few thousand people singing their hearts out. She’s the founder, the composer, and the ho
The gambling industry is targeting your children - how, why and what can be done? Jun 30, 2026 0:55:17 The gambling industry is targeting young people through digital platforms, personalised algorithms and the blurring line between gaming and betting. But also off-line, at the pokies, we see younger faces. We explore the strategies behind this trend, the human costs and what it would actually take to change the culture and the regulation around gambling in Australia.This conversat
David Marr on preaching to the converted Jun 29, 2026 0:55:55 The arc of the moral universe may bend toward justice, but not without a whole lot of committed individuals doggedly banging on about it. Even when no one's listening, even when it's boring, even when it takes years or even lifetimes. So in this time of division and fracture, when hearts and minds seem out of reach, is there still value in preaching to the like-minded?The 2026 Sh
The God we made — safeguarding humanity in the age of AI Jun 25, 2026 0:58:48 It is replacing our work, our relationships, even our capacity to think. It's the combined sum of all human knowledge — so how long until artificial intelligence surpasses our own? Are we already there? In her latest Quarterly Essay, Anna Goldsworthy confronts a near future where humans are no longer the most intelligent beings, inviting us to consider what is irreplaceable in us
The art of forgiveness and why it's not what you think it is — with Rachael Coopes and Natasha Mitchell Jun 24, 2026 0:56:07 Is there an art to forgiveness? Join Natasha Mitchell with popular Play School presenter, writer, actor, yoga and meditation teacher Rachael Coopes to explore why it's so hard to forgive people, why it's not what you think it is, and how it can be good for your health to try. Forgiveness may be hard work, but so is hanging on to hurt, hate, or a grudge — that can eat away at you
Whose recipe is it anyway? A nourishing conversation about food and culture Jun 23, 2026 0:54:35 They say we are what we eat, and in this big, migrant nation, every dish tells a story, about culture, about connection, about identity. But when traditional cuisines become mainstream, does cultural appreciation risk becoming cultural appropriation? Can you own a recipe?This event was recorded at the Oz Asia Festival in Adelaide.Speakers:Durkhanai AyubiAuthor, Parwana: Recipes a
Errol Flynn — discover the dark secrets of the Australian Hollywood star Jun 22, 2026 0:54:53 He is considered the first Hollywood action hero and had a rapid rise to stardom. But Errol Flynn also was on trial for rape and had relationships with underage girls. Behind the Hollywood legend — the sword fights, the swagger, the smouldering screen presence — is a far more complicated and surprising story.This conversation was part of the Meet the Author series at the Australi
The future of democracy? With Jon Sopel, Nick Bryant and Rosalind Dixon Jun 18, 2026 0:58:28 It may be the least worst form of government, but faith in its leaders and its institutions is waning. From the US to the UK to Australia, democracy has also paradoxically delivered representatives who are proudly anti-democratic and openly undermine democratic institutions like electoral systems, the judiciary and a free media. So why do people see the likes of Donald Trump, Nig
The future of TRUTH — Wikipedia's Jimmy Wales, philosopher A.C Grayling, journalist Barbara Demick, AI scientist Toby Walsh Jun 17, 2026 0:54:37 A power panel on the future of truth. In a world of AI hallucinations and corporate algorithms, state-sponsored disinformation campaigns, and misinformation spreading like wildfire on social media — the truth feels more elusive than ever. What can we do to get the truth out of trouble? Join Natasha Mitchell with guests at this event recorded live at the 2026 Sydney Writers Festiv
Can Art, artists and activists save Australia’s famous multicultural experiment? Jun 16, 2026 0:54:40 The fabric of multicultural Australia is under a kind of pressure it hasn't faced in a long time. Can it be renewed? And what role do artists, activists, and migrants have to shape what comes next? The landmark work The Elgar Companion to the Arts and Global Multiculturalism is asking exactly those questions. It traces multiculturalism from its origins as a political philosophy a
Pride or shame? Searching for the story of Australia — with Tony Abbott, Mark McKenna and Sally Warhaft Jun 15, 2026 0:54:33 Two authors. Two books. Two very different histories of Australia. Tony Abbott's Australia: A history and Mark McKenna's The Shortest History of Australia were released within weeks of each other. They share similar references, but diverge in key areas, especially when it comes to how the country should reconcile with its Indigenous past. So what is the real story of Australia?Th

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