Big Ideas

Harvard psychologist and bestselling author Steven Pinker is a fierce advocate for intellectual and academic freedom — and one of the world’s most prominent and provocative thinkers about human language, the mind, and how societies work. He joins Big Ideas host Natasha Mitchell with an 800-strong Melbourne audience to discuss his latest book When Everyone Knows That Everyone Knows: Common Knowledg...

In its second term, the Albanese Government enjoys a large majority in parliament and an opposition in disarray. But faced with a fragmented, fractious electorate, ever more entrenched inequality at home and volatility abroad, and with an emphasis on a stable and moderate governing style, is this government making the most of its political advantages? Does Labor still have the courage to take on t...

Liberalism is one of the most influential — and contested — political philosophies of the modern age. But what does it actually mean in contemporary Australia? Is it a philosophy of individual freedom and limited government? A cultural attitude toward diversity and change? Or has it become something else entirely? A panel of practitioners and philosophers, current politicians and historical schola...

It makes the world go round, but it's also the root of all evil. It hasn't always had a great rap, yet most of us would like more of it. From clay tablets to coins, credit cards to crypto, for 5000 years, money has shaped our world. This podcast episode was originally recorded on 8 October 2025 at The Wheeler Centre . Discover more talks and bold conversations by following The Wheeler Centre where...

For decades, a debate has been waged over whether the colonial massacre and resistance of First Nations Australians should be recognised and memorialised by Australia's most important war museum. Don't miss this watershed event at the Australian War Memorial with trailblazing filmmaker Rachel Perkins and eminent historian Henry Reynolds for the launch of their groundbreaking new book The Australia...

For more than 50 years, Dr Bob Brown has been breaking and making laws to protect the environment. Now aged 81, he is hoping to give strength to new generations who are facing the climate and extinction crises front on. This event was recorded at the Theatre Royal Hobart on 1 October 2025. Speakers Bob Brown President, Bob Brown FoundationFormer Greens Senator for Tasmania (1996-2012)Author, Defia...

International humanitarian law, the law of armed conflict, was meant to protect civilians from the worst of war. But in today's wars civilians have become targets, and the rules meant to shield them are breaking down. What happens when the law of war no longer works? And can it be rebuilt to protect civilians once again? Presented by the American Academy in Berlin. Speakers Oona HathawayGerard C....

Most of us, in our lives, will witness things we cannot comprehend, when words fail to do justice to the moment. In those moments, to whom or what can we turn? To God? To philosophy? To music? To ourselves, or to our fellow humans? In a noisy world, Stan Grant wrestles with the fragility of language, and the power of silence, and of listening, to find a path to connection, compassion, and love. Th...

Conspiracy theories have always been with us, but now they're finding new ways to get inside our heads and take hold — and Australia is seeding some uniquely homegrown varieties. Investigative technology journalists Ariel Bogle and Cam Wilson went down the rabbit hole for their book Conspiracy Nation: Exposing the dangerous world of Australian conspiracy theories. To discuss the why, what, and how...

Forty years ago this January, the Space Shuttle Challenger disintegrated on its way into orbit. All seven astronauts on board were killed. Dr Karl Kruszelnicki and Fiona Pepper investigate how the Challenger disaster unfolded – and what that has meant for space exploration from 1986 to now. In the days after the tragedy, the world wanted answers. What really caused the shuttle to explode? And shou...

Meet Dwayne Fernandes, a man training to be the first double amputee in space. He brings you a powerful perspective based on his lived experience: in zero gravity, his disability disappears and human potential soars free. He explores how the social model of disability transforms our understanding of accessibility, showing that environments either create barriers or unlock possibility. His message...

From the world's oldest continuous living culture, to the arrival of Captain Cook, the goldrush to the ANZACs, from Federation to elections to referendums, and beyond, our understanding of Australian history has evolved dramatically over recent years. Six esteemed scholars have six minutes each to wrestle with how our past unites, divides, and defines us. Who will win? The Great Debate was recorde...

He’s been called a “hypercapitalist”, a “new authoritarian” and a “post fascist”. Twelve months into Donald Trump’s second term as United States President, he has certainly reshaped the country and the world in ways that have shocked and surprised. So how should we understand his political ideology?  The conversation Is It Fascism Yet? was recorded at the Sydney Opera House on 28 September 2025. ...

Don't miss meeting these four resilient women creating the change they want to see in the world. At 20, Monique “Mermaid” Murphy’s had a catastrophic accident. Two years later she won Silver at the Paralympics. At 21, Larisha Jerome turned homelessness into buying her first home. Now she advocates for financial justice for other First Nations people. At 14, Nasteho Mukhtar arrived in Australia wit...

He jumped off a plane, exchanged the notorious briefcase on a park bench and got his identity blown by an asset under torture. Sounds like fiction? But the real stories still differ remarkably from novels and films. A discussion about the realities of espionage and the stories that surround it - filled with intrigue and hidden truths for your ears only.  Spies, Lies and Secretes was recorded live...

DNA testing has helped family history researchers fill in the blanks in their family trees. While that can be a good thing, it can also lead to unexpected consequences. From "non-parental events", to big data hacks, to unauthorised use of DNA in criminal investigations, this is everything you need to know about genetic genealogy. This event was recorded at the State Library of NSW for Family Histo...

How has the fossil fuel industry wielded influence over Australian governments and their policies? What does it take to make ambitious change in the public interest, without vested interests getting in way? Join Natasha Mitchell and guests at Adelaide Writers Week. Origninal broadcast on March 12, 2025. Speakers Dr Richard Denniss Economist and Executive Director of The Australia Institute Author...

A workforce we rarely hear about, lives in limbo, and stories from the coalface. From economic gains and cultural exchanges to exploitation and absconding,  what are the successes and problems of the Pacific Australia Labour Mobility (PALM) scheme? Who picks and processes those yummy strawberries you're about to put in your shopping trolley, or the crisp veggies you might stir-fry tonight? Did you...

At face value, collaboration sounds like a good thing: collaboration in the classroom, with colleagues, or between nations. But throughout history, collaboration was not always considered a virtuous act, and those who were identified as collaborators were shunned, humiliated or worse. This talk explores how people justify their involvement in wrongdoing, and how, when collaboration devolves into c...

Your personal safety is big business, so much so that it’s given rise to “security capitalism”, a phenomenon where attempts to buy personal safety shape the world around us.  As security becomes just another status symbol, do these gadgets make us safer or do they create a whole new list of anxieties – a self-fulfilling prophecy of perceived threat and risk aversion?  This conversation 'Trapped: D...

 "Homeric struggle", a desperate night-ballet, an ethical training ground for boys and men. Aussie Rules is a multimillion-dollar industry, but at its heart, to thousands of people, it's much more than that. Including to Australian literary great, Helen Garner. This event was recorded at the National Library of Australia on 20 February 2025. Original broadcast March 6, 2025. Speakers Helen GarnerA...

We’re past the brink of civilisational collapse. And many environmentalists are pushing a “fake green fairytale”. Jem Bendell’s arguments have inspired the Extinction Rebellion movement’s civil disobedience pushing for climate change action. But Jem doesn’t think protest is enough now. Find out why the self-confessed eco-libertarian and author of Breaking Together: A freedom-loving response to col...

We know them as Zuckerberg, Musk, Bezos, Gates, Jobs. But to Kara Swisher, they're Mark, Elon, Jeff, Bill, and Steve. She was once a Silicon Valley insider, but now she's one of big tech's most vocal critics. This event was recorded at Adelaide Writers Week on Monday 3 March 2025. Original broadcast on April 15, 2025. Speakers Kara SwisherAuthor, Burn Book: A Tech Love Story , aol.com: How Steve C...

Imagine a world where your brain is enhanced through cutting-edge technologies and next-generation AI, blurring the lines between organic and digital realms … and unlocking unprecedented potential.  We are already some steps on the way in such a future.  What would this mean for intelligence, human agency and consciousness? Your Brain on AI From organoids to consciousness was presented by the Sydn...

You've got half an hour with Lou Reed/ Nick Cave/ Courtney Love: what do you ask them? Three of Australia's best music writers share their craft, and reveal what it's like to sit down with some of music's biggest names. This event was recorded on 2 November 2024 at the Art Gallery of Ballarat. Original broadcast on January 23, 2025. Speakers Stuart Coupe Author, journalist, radio broadcaster, musi...