Big Ideas

The untold story of Evelyn Marsden and the woman who rowed against the tide. You've heard of the Titanic disaster. Luxury ship. Largest ever. Impossible to sink. Hits iceberg. Catastrophic. Few survivors. Wreckage still under the sea 114 years later. Hollywood film starring Kate Winslet. But have you heard of Evelyn, the Titanic's only Australian survivor? She was a young nurse from rural South Au...

Democracy is on the decline, so could Plato help? Irish scholar Dr David Horan spent 16 years translating Plato's complete works, including his dialogues on the world's first democracy in ancient Greece. So what lessons can we learn from Plato today? This event was recorded at the School of Practical Philosophy in Sydney. Speakers: Dr David Horan Leader of the School of Philosophy and Economic Sci...

Communities that once built their future around coal and agriculture are asking: what do we become next? Regional Australia usually gets left behind when industries change and young people leave. But it's also — quietly, persistently — reinventing itself. Remote work is reshaping where jobs can be done. AI and digital innovation are opening new doors. Presented at the SEGRA National Regional and E...

From running a massage clinic for homeless men to running the largest independent human rights organisation in the country, Kon Karapanagiortidis has always had a strong sense of his moral duty to help the people around him. Not just his friends and family, but anyone that might be called a neighbour. He even named his bestselling cookbook Philoxenia, a Greek word that means having love for the st...

Some say Russian president Vladimir Putin is growing increasingly paranoid, as his war with Ukraine wages on. It's hard to know from the outside looking in. What makes the elusive Putin tick? How has he changed during his 26 years in power? And where will it all end? Putin's not a fan of Soviet era communism, so what's drives him? And what's his thing with Trump?  Join Big Ideas host Natasha Mitch...

The global treaty for preventing nuclear proliferation is under serious strain. The last review conferences for the Nuclear Non-Proliferation Treaty have ended in deadlock. And this year, last treaty limiting U.S. and Russian nuclear arsenals has expired. This new risk comes at a moment when new nuclear actors are asserting themselves, and the diplomatic tools that once managed these dangers are w...

Have you ever heard of something called Chatfishing? From to AI profiles to cat-face filters, finding true love has never felt more difficult. And yet, dating is still fundamentally unchanged. It relies on good communication and mutual respect. After creating the social media juggernaut Bad Dates of Melbourne, who better to help you navigate the pitfalls and dealbreakers of dating in the modern wo...

It's the only sure thing in life: that we will all die some day. But many of us are scared to think about death — our own, or our loved ones'.  How can embracing death change the way we live our lives and remind us of what's important? This conversation explores topics of grief, philosophies of life and death, and the practical consideration of planning for the inevitable. This conversation was re...

Three savvy political minds get up close and (very) personal with power to consider where it succeeds and struggles. They've got gripping stories to tell — about Australia's prime ministers past and present — and their mothers! What traits do you look for in an effective political leader? Are leaders made rather than born?  When Canada's Prime Minister took to the World Economic Forum stage in Dav...

From rags, to riches, to a prison cell. He could have stayed wealthy and silent, but chose not to. Hong Kong's Jimmy Lai launched newspapers that dared to challenge Beijing, advocate for democracy, and report the truth when the truth was dangerous. Now Jimmy Lai faces a life sentence under China's crackdown on press freedom. But his story sends a warning to us all, everywhere. What happens when po...

These days, more Australians get their news from their social media feed than traditional media outlets. Meanwhile artificial intelligence is supercharging the war on information, and distorting the news media's business model, while politicians flood the zone with sh*t as a deliberate media strategy. So what do AI and the algorithms mean for the news and for journalism, and how can we regain cont...

He's got a rags to riches origin story, a hit Youtube channel and a bestselling memoir. Now Gary Stevenson is using his platform to fight the growing divide between rich and poor across the western world — including in Australia. This conversation was recorded at the Melbourne Town Hall on 28 February 2026 with thanks to Thinkable events. Speakers Gary Stevenson  Author, The Trading Game: A Confes...

A year on from its landslide victory, has Labor used its historic win to deliver big on BIG ideas to set Australia up for the future? Or is Prime Minister Albanese and his cabinet erring on the side of caution in this second term?  What allowed notable reformer prime ministers in the past to prosecute ambitious agendas? Join Big Ideas host Natasha Mitchell at the Sorrento Writers Festival with thr...

Martin Luther King III knows what the long fight for equity looks like. His father was the late great Martin Luther King Jr who led the modern American civil rights movement. And he's got something important to say to corporate Australia. Why are you missing out on Indigenous talent? Ignore it at the peril of Australia's future economic growth, he argues. It's more than a social or equitable good....

Are Royal Commissions just a lawyer's picnic? A political witch hunt? Or, a necessary reckoning? They're Australia's highest form of inquiry on matters of public importance. But they've also become the go-to solution when corruption, misconduct or systems failures are exposed. The lowdown with three people who have seen how they work up close. The conversation How do Royal Commissions work? And Ho...

Malcolm Fraser's legacy remains contested territory in Australian politics. Decades after he left office, we still can't quite figure him out. The Prime Minister who came to power in controversy, governed for seven years, then spent the rest of his life surprising everyone with his increasingly progressive views. Whether Fraser was cautious conservative, pragmatic reformer, or something more compl...

October 7 has become synonymous with the Hamas attacks on Israel in 2023, in which more than 1200 Jewish people were murdered. What has followed — the hostage crisis, the war in Gaza, and the global response — has reverberated in communities far beyond the Middle East, including here in Australia. For Jewish Australians, it has turned their lives, their careers, their relationships and their ident...

Through the stories of five women across three generations of his family, the influential Greek economist, author, politician and public intellectual Yanis Varoufakis tells the tumultuous tale of Greece's modern history, and reflects on its parallels with the once again global rising tides of fascism, authoritarianism, and the actions of those who resist. This conversation was recorded on 6 March...

Every scientist dreams of a breakthrough — a new discovery that will change everything. Professor Georgina Long is someone who has done it — as a pioneer of life saving cancer treatments. So what are the ingredients for breakthroughs to occur? And why are the conditions that can lead to new discoveries under threat right now? The 2026 Ann Moyal lecture When groundbreaking cancer treatments save 50...

The explosion of reactor number four at the Chernobyl Nuclear Power Plant is not only a story of the past. Right now, nuclear plants are weaponised in the Iran war. It happened in 2022 when Russian forces occupied the Chernobyl exclusion zone. A new way of weaponising nuclear power. What have we learned from the worst nuclear accident in history — and what have we failed to learn? This conversatio...

Is President Trump a new Nero, or a contemporary Caligula? The Roman Empire was full of merchants of chaos, power-hungry emperors, epic wars, backstabbing, betrayals — the whole horror show. And it was a time of civilisational scale change. As we grapple with a rewriting of the world order,  does Ancient Rome have lessons for us today — about the building and breaking of empires, or the rise and f...

What happens to a community when it punishes its most vulnerable instead of protecting them Drawing on her own story of addiction, imprisonment, and recovery, as well as her frontline work supporting women behind bars and post-release, Tahlia Issac challenges the "tough on crime" narrative. The typical incarcerated woman in Australia is First Nations, a mother, a survivor of violence, and imprison...

Australians love a holiday in Southeast Asia. But our proximity to this region also makes it key to our national security and prosperity. Yet Australia has hitched its security and foreign policy wagon to an increasingly unpredictable United States, while China asserts in dominance in our own backyard. So are we taking Southeast Asia for granted? This conversation was recorded at Readings Bookshop...

Artificial intelligence has been defined as a cluster of technologies of and for the future. But like most humans, AI is built using what has happened in the past — scraping behaviours, experiences and other data to shape its outputs. In this sense, AI is a new kind of historian — but operating without guardrails, ethics, or any sense of doubt. This annual lecture for the History Council of Victor...

It's Team 'Aliens Alive' versus Team 'Earthlings United'. Get out of this world, hear the arguments, and you decide. Was the X-Files really a documentary, or was Mulder deluded? Join Big Ideas host Natasha Mitchell from the stage of the 2026 World Science Festival Brisbane for an hilarious hour of science and comedy. TEAM ALIENS ALIVE Dr Joel Gilmore (Team Captain)Energy specialist, physicist, sci...