

Big Ideas
ABC
Feed your mind. Be provoked. One big idea at a time. Your brain will love you for it. Grab your front row seat to the best live forums and festivals with Natasha Mitchell.
Episodes
Mentioned books

Oct 20, 2025 • 59min
How to build a stock exchange — the past, present and future of finance
Philip Roscoe, a Professor of Management at the University of St Andrews and author of How to Build a Stock Exchange, dives into the complex history of financial markets. He reveals how finance has shaped societies, from the slave trade to today's speculative bubbles. Roscoe discusses the impact of the London Stock Exchange's origins, the cultural shifts during the 1980s Big Bang, and how automation has transformed trading. He also examines the rise of the dot-com boom and the fragility of modern financial spectacles, concluding with thoughts on the future of cryptocurrencies.

Oct 16, 2025 • 1h 1min
Is Jane Austen the greatest English novelist of all time?
She's on a bank note (British 10 pounds), and a bath soap (Suds and Sensibility), and she also wrote some of the most beloved novels in English literature. Why has Jane Austen become such an enduring cultural force, and what makes us return to her works time and time again?This event, celebrating 250 years since Jane Austen's birth, was recorded at the National Library of Australia on 20 August 2025.SpeakerSusannah Fullerton President of the Jane Austen Society of Australia, guide, ASA Cultural Tours

Oct 15, 2025 • 53min
We’re F**ed! It’s too late to avoid civilisational collapse. 2025 Beaker Street Festival Great Debate
Dr. Esmé Louise James, a sex historian and TikTok communicator, leads the argument for civilizational collapse, citing historical and modern issues like AI. In contrast, Hannah Moloney, a permaculture educator, champions transformation, using Cuba's adaptive strategies as evidence. They dive into Indigenous resilience, the impact of technology, and the importance of community response. With a blend of humor and intellect, the debate sparks a lively discussion on whether we face imminent doom or a hopeful path to sustainability.

Oct 14, 2025 • 56min
Who killed the liberal international order (and what comes next)?
Andrew Phillips, a Professor at the University of Queensland and author of several influential books, discusses the decline of the liberal international order. He highlights the rise in global conflict and power rivalries, arguing that democracy is on the retreat. Phillips evaluates the roles of authoritarian powers like China and Russia, as well as the impact of U.S. policies under Trump. He predicts that the 1990s model won’t be revived and explores potential futures for international relations, including a Chinese-centric order or a pluralistic approach driven by emerging democracies.

Oct 13, 2025 • 55min
Can the Democrats save democracy in the US?
The Democratic Party in America is in an identity crisis. It's shifting priorities to claw back grounds from the Republicans. But is it too little, too late? How can the Democrats respond to a radicalising and increasingly authoritarian-minded Republican Party? The Future of America's Democratic Party presented by the American Academy in BerlinSpeakersJacob S. HackerStanely B. Resor Professor of Political Science, Co-Director of the Ludwig Program in Public Sector Leadership at Yale Law SchoolPaul PiersonJohn Cross Distinguished Professor of Political Science, University of California at BerkeleyDaniel Benjamin (host)President of the American Academy in Berlin

Oct 9, 2025 • 56min
Maria Ressa on what Donald Trump learnt from Rodrigo Duterte and other strongman rulers
From Rodrigo Duterte, to Narendra Modi, to Donald Trump, strongman leaders around the world are harnessing big tech to consolidate their power. Social media is also being used to energise and organise resistance movements, but is the bad increasingly outweighing the good?The 2025 Southeast Asia Oration Media Freedom and Democracy in Southeast Asia was held at the University of Melbourne, in partnership with Asialink, the Asia Institute, and the ASEAN Australia Centre.SpeakersMaria Ressa Filippino journalist, co-founder and CEO of online news site Rappler, 2021 Nobel Peace Prize laureate, author, How to Stand Up to a DictatorLaura Tingle Global Affairs Editor, ABCNicholas Coppel Former Australian Ambassador Myanmar, author, Myanmar's Digital Coup, President of the Australia Myanmar InstituteDr Ken Setiawan Senior Lecturer in Indonesian Studies at the Asia Institute, University of MelbourneProfessor Michael Wesley (host) Deputy Vice Chancellor (Global, Culture and Engagement), University of Melbourne

Oct 8, 2025 • 1h 1min
Prove It! Elizabeth Finkel's Scientific Guide for the Post-Truth Era
Dr. Elizabeth (Ella) Finkel, a seasoned science journalist and author, discusses the urgent need for scientific literacy in today’s misinformation-heavy world. She dives into how the COVID-19 pandemic reshaped societal trust in science and the fierce debates surrounding the virus's origins. Finkel critiques the politicization of medical evidence, using ivermectin as a case study, and emphasizes the importance of scientific skepticism. With insights on human evolution and the role of DNA in reshaping our understanding, she advocates for clear communication of scientific uncertainty.

Oct 7, 2025 • 55min
John Lennon and Paul McCartney — a partnership that changed cultural history
The Beatles shook the world to its core in the 1960's and, to this day, new generations continue to fall in love with their songs and their story. At the heart of this phenomenon lies the dynamic between John Lennon and Paul McCartney. Few other musical partnerships have been rooted in such a deep, intense and complicated personal relationship. Ian Leslie uses the songs they wrote to trace the shared journey of these two compelling men before, during, and after The Beatles.This talk is provided by the York Festival of Ideas. The Festival is led by the University of York, UKSpeakerIan LeslieAuthor of John and Paul: A love story in songs (Faber, 2025)John Robinson (host)Emeritus Professor in the School of Physics, Engineering and Technology, University of York

Oct 6, 2025 • 54min
'Militarism gone mad' — Labor firebrand hits out at party’s support of AUKUS
The world feels more dangerous and unpredictable, but with Australia wedged between our traditional ally, America, and our biggest trading partner, China, does our most expensive ever defence project make us more secure, or less?The 2025 Laurie Carmichael Lecture, Australian Sovereignty and the Path to Peace, was recorded on Wednesday 10 September 2025, with thanks to the Australia Institute's Carmichael Centre for Future Work and RMIT University.SpeakersDoug Cameron ALP Senator for New South Wales, 2007 to 2019, trade unionist

8 snips
Oct 2, 2025 • 55min
Genocides are everyone's business, not no-one's business — Gareth Evans, Yassmin Khadra, Daniel Abot's urgent plea for peace
In a powerful discussion, Professor Gareth Evans, a former Australian foreign minister and expert in peace initiatives, explores the urgency of global peace with Dr. Yassmin Khadra, a Palestinian human rights advocate, and Bishop Daniel Abot, a South Sudanese peacemaker. They tackle the harsh realities of war and genocide, the humanitarian crisis in Gaza, and the importance of global institutions like the UN. They also emphasize Australia's potential role in advocating for peace, justice, and support for affected communities, urging listeners to take action.


