Has the way politicians speak ever made you shout at the television, feel bamboozled, helpless,  or shut out of democratic debate over our shared future? Pollie-talk can make important issues opaque, the inequitable seem fair, and the fair seem inequitable. Join Big Ideas host Natasha Mitchell for some straight talk that cuts through the spin and jargon with Richard Denniss (author of Econobabble: How to decode political spin and economic nonsense), Yanis Varoufakis (author of...

Only 50 years ago, if you were 60 years old your chance of dying was the same as an 80-year-old's today. Thanks to progress in medical technology, you can live longer than ever before. Quantum technology and quantum screening, modelling with digital twins, harvesting the power of AI and real time monitoring of your molecules – a panel of health experts discusses the new frontiers in the development of drugs and health technology.  

Gender equality isn't just about equal pay, it's a health and safety issue. Women perceive safety very differently to men, and that's why they need a seat at the table when policies are being nutted out. Just a month after Australia gets its first Gender Equality Strategy, Stephanie Copus Campbell speaks about her first-hand experience on women's rights and discrimination in Papua New Guinea and many other countries in the region — and her observations as the international Ambassador for...

How valuable are trees as an alternative crop? And what's the role of agroforestry in the future of sustainable farming?

They use of shark nets to protect us from sharks is highly controversial. Do they work, what do they do to marine life, are there alternatives, and why are sharks so political?  Join Natasha Mitchell and guests at the 2024 Ocean Lovers Festival for a robust interrogation of of an issue that ignites passions.

It's a question that has focused the minds of astronauts, scientists, space entrepreneurs and enthusiasts alike – is there, could there be, life on Mars? The race is on to find out, with NASA hoping to land astronauts there by the late 2030s.

Folk legend Eric Bogle is opening up and talks about his life, his thoughts about death, friendship and love and why having a deeper message for writing songs is so much more important than money and fame. It's a rare opportunity to share a conversation with one of the best and most prolific songwriters of the last several decades. His songs have become Australian classics – like The Band Played Waltzing Matilda or No Man's Land. And as a very special treat – you'll hear the world premiere of...

What is the future of Israelis and Palestinians in the Gaza strip and surrounding region? Can the past help us understand the tumultuous, horrifying present? And is a two-state solution a realistic response to the war in Gaza or not? Walkley Award-winning Australian journalist John Lyons, Israeli historian and political scientist Ilan Pappé, American essayist and author Nathan Thrall, and American political advisor Bruce Wolpe share their perspectives.

A wooden sarcophogas is sold in a Cairo market in the late 1800s, transported to Australia, and held in a University of Sydney collection. It remains closed for over a century. And then scientists opened its lid.  What happened next? Two leading Australian Egyptologists join Natasha Mitchell to consider the ethics, history, and science of a quest to understand life and death in Ancient Egypt and get a glimpse into one woman's world over 2500 years ago. But is it really Mer-Neith-It_Es?

For decades, Mary Beard has forged her own path through the male dominated field of academia, from the ruins of Rome to the trenches of Twitter, to become "the world's most famous classicist".

The best of talks, forums, debates, and festivals held in Australia and around the world.

What is the best response to hostage diplomacy? Pay the ransom? Sanction the responsible country, or individuals? Go public, or pursue quiet diplomacy? Can countries preserve bilateral relations, while at the same time advocating for the rights of their unlawfully detained citizens? 

Water is life. Rivers give life. But water and the rivers it flows down are also heavily politicised, and at the heart of battles over who gets access to water, what's killing our rivers, and what happens when they kill us during catastrophic floods. Join Natasha Mitchell and guests at this Adelaide Writers Week event with Senator Sarah Hanson-Young, Barrister and author Richard Beasley, grazier and activist Kate McBride, and environmental historian Dr Margaret Cook.

Australia’s bushfires are more intense, more frequent, and more costly. So how can we prepare for the inevitable – what proactive steps can communities take to protect themselves, and do we have the settings right?  

Many of you are involved in a charity: Handing out meals to homeless people, caring for surrendered animals in a shelter, organising soccer games to keep the youth in the neighbourhood on the straight and narrow. But are you sure that your charity is putting the time and also the money that you give up to good use? What makes a charity successful? And how can you future-prove them?

Grace is a hard word to define, but in her latest book, author, journalist and broadcaster Julia Baird explores the concept, and how finding and nurturing it in each other – and ourselves - can help us through dark times. 

When governments say they can't afford to fix climate change or lift kids out of poverty are they speaking the truth? American economist Stephanie Kelton challenges economic orthodoxy in her book The Deficit Myth: Modern Monetary Theory and the Birth of the People's Economy. She joins Natasha Mitchell in conversation at this 2024 National Sustainability Festival event.

Bessel van der Kolk, one of the world's foremost experts on trauma, discusses his pioneering research into traumatic stress and its impact on our brains and bodies. Traumatised people experience incomprehensible anxiety, numbing and intolerable rage. Trauma affects their capacity to concentrate, to remember, to form trusting relationships, and even to feel at home in their own bodies. And he explains promising treatments, including neurofeedback, psychedelic therapy, psychodrama … and dance.

Different generations agree that youth mental health is in decline, but disagree about the causes. We explore generational attitudes to the economic and social drivers of mental ill-health in young people.

Liberalism isn't just a political philosophy but the basis of a truly meaningful life. That's the bold statement of philosopher Alexandre Lefebvre, author of the forthcoming book Liberalism As A Way of Life. Should individuals be free to pursue their own passions and interests in life? Does liberalism mean more than freedom of speech and small government? You might not identify as a liberal, but are we in fact all liberals at heart?

Quantum computing is all about physics, but for those looking to pioneer and revolutionise science, there are certain human qualities needed as well. That is the topic of these final two Boyer Lectures with a global leader in the field of quantum computing, Professor Michelle Simmons.

Imagine a machine with more power than all the computers in the world combined. This is the promise of quantum computing. In these 2023 Boyer Lectures, Professor Michelle Simmons explains why building a machine that operates at the scale of atoms has the potential to revolutionise society, and why Australia is at the forefront of the global race to develop the first one. 

The US has claimed that it has “no greater ally than Australia”, but with the stability of its democracy in question, what are the risks, and the rewards, of waltzing in step with the world’s greatest superpower? 

Hear from four “many worlds travellers” who have visited parallel worlds to explore themes of Indigenous rights, disability, gender and the climate crisis, to show us that a different way is within reach.