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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.

Big Ideas

If a stiff dose of medical misinformation is what you're after, look no further than the White House right now. And, on social media and in online forums, countless conspiracy theories reign supreme. In this "post-truth" era, has science lost its authority, or have we lost sight of what scientific proof actually involves? From debates over the origins of our species to conspiracies surrounding the origins of COVID19, Dr Elizabeth Finkel goes where others fear to tread to lift the lid on how science works. Join her with Big Ideas' host Natasha Mitchell at this event hosted by the Royal Society of Victoria and Black Inc Books.

Speaker

Dr Elizabeth FinkelScience journalist, biologist, author, former editor of popular science magazine CosmosAuthor of Prove it: A scientific guide to the post-truth era (Black Inc Books, 2025), The Genome Generation (2011), Stem Cells: Controversy at the Frontier of Science (2005).

Prove It! Elizabeth Finkel's Scientific Guide for the Post-Truth Era

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, UK

Speaker

Ian 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

John Lennon and Paul McCartney — a partnership that changed cultural history

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.

Speakers

Doug Cameron ALP Senator for New South Wales, 2007 to 2019, trade unionist

'Militarism gone mad' — Labor firebrand hits out at party’s support of AUKUS

A frank and impassioned plea for peace by Gareth Evans. As Australia's former Foreign Minister and former president of the International Crisis Group, he's spent most of his career forging real paths to peace globally. From Sudan to Gaza, Myanmar to Ukraine - who can we rely on to stop "forever" wars and genocides? Does Australia have a unique role to play? And what about the UN in its 80th year? It was created after the horror of World War 2 to keep the peace. Has it lost its way? The 2025 Brisbane Peace Lecture is presented by the United Nations Association of Australia, Brisbane - and includes responses by two key leaders from the Sudanese and Palestinian communities.

Speakers

Professor the Hon Gareth EvansHonorary Professor at the Australian National University; Australia's former minister of Foreign Affairs and cabinet minister in the Hawke and Keating Labor Governments.

Dr Yassmin KhadraBrisbane-based physician, Doctors for Palestine, and Palestinian human rights advocate

Bishop Daniel AbotSouth Sudanese Anglican bishop

Genocides are everyone's business, not no-one's business — Gareth Evans, Yassmin Khadra, Daniel Abot's urgent plea for peace

Primatologist Jane Goodall once said: "It actually doesn't take much to be a difficult woman. That's why there are so many of us." She spoke up. For all the species who go unheard, or unnoticed by humans. She was a giant in the global environmental movement. She first walked into the wild forests of Tanzania as a young woman with no science training and embarked on what is now the longest-running study of chimpanzees in their natural habitat. Her trailblazing fieldwork changed our understanding of other primates and the threat we pose to their continuing existence. It changed her. And it changed the world. At 91, she was still travelling the world right up until her last breath, to help give all other species theirs. She was deeply compassionate, and her campaigns deeply connected with people. Dr Jane Goodall joined Big Ideas host Natasha Mitchell to discuss hope in action the 2022 WOMADelaide Festival. This conversation was originally broadcast on ABC Radio National's Science Friction in May 2022.

Guest

Dr Jane GoodallPrimatologist, environmentalist, naturalistFounder, Jane Goodall Institute

Further info:

The Book of Hope: A survival guide for an endangered planetJane Goodall and Douglas Abrams (Penguin, 2021)

Jane Goodall Institute Australia

Roots and Shoots Australia

The Jane Goodall Hopecast

Thanks to the 2022 WOMADelaide Festival.

Vale Dr Jane Goodall — why the renowned primatologist and environmentalist held onto hope

AI is an incredible tool, but is AI also a new coloniser? Is there actually anything new or artificial about artificial intelligence? Join Natasha Mitchell at the 2025 Now or Never Festival to meet two big thinkers building a bridge between First Nations and Western knowledge to disrupt and reimagine the who, what, and why of AI?

This conversation was recorded on 26 August 2025, in partnership with The Wheeler Centre and Now or Never Festival. Discover more talks and bold conversations by following The Wheeler Centre wherever you get your podcasts or at wheelercentre.com

Speakers

Jessica Russ-SmithWiradyuri Wambuul womanAssociate Professor of Social Work in the School of Allied Health, Australian Catholic University.

Michelle LazarusProfessor and Director, Centre for Human Anatomy EducationDeputy Director, Centre for Scholarship in Health Education Monash University.

Coauthors of the open-access book THE AI (R)EVOLUTION: Valuing Country, Culture and Community in a World of Algorithms (Monash University Publishing, 2024).

Get the book here:

https://publishing.monash.edu/product/ai-revolution/

Is AI the new coloniser? How to create more life-centred AI before it's too late

Former US secretary of state Condoleezza Rice assesses the break-up of globalisation and the world order. The way in which countries such as the United States or Germany focus on sovereign goals is part of the problem. And that's likely not to stop any time soon. But she also comes up with practical ideas for creating a common economic and security future to address the issues that are too big for any single nation to tackle alone.

What Comes Next? Imagining a New Economic and Security Commons was presented by the American Academy in Berlin

Speakers

Condoleezza Rice66th Secretary of State of the United States (2005-09)Tad and Dianne Taube Director of the Hoover Institution and the Thomas and Barbara Stephenson Senior Fellow on Public Policy

Philip ZelikowBotha-Chan Senior Fellow, Hoover Institution; 2009 Fellow, American Academy in Berlin

Daniel Benjamin (host)President American Academy in Berlin

Condoleezza Rice on how to fix the break-up of global cooperation

American music journalist Liz Pelly interrogates the ways Spotify and other streaming giants are reshaping music, not just for listeners, but also for the people who make it.

This conversation was recorded on 28 August 2025 in partnership with The Wheeler Centre and Now or Never Festival. Discover more talks and bold conversations by following The Wheeler Centre wherever you get your podcasts or at wheelercentre.com.

Speakers

Liz Pelly Music critic, author, Mood machine: The rise of Spotify and the costs of the perfect playlist

Lauren Taylor Senior programs and podcasts manager at The Wheeler Centre, and host of Breaking and Entering on community radio Triple R

The rise of Spotify and the costs of the perfect playlist — with music journalist Liz Pelly

Australian Indigenous art is celebrated around the world – but how much is understood about its pivotal role in Indigenous culture, country, politics and law? 

For the Yolngu people of north-east Arnhem Land, art is more than just aesthetic, it is a means of cultural diplomacy, and a respectful assertion of power in its diverse forms, from sovereignty to influence, authority and control, to energy, strength and pride.

This episode brings together two significant exhibitions of Indigenous art on now, Yolngu Power: the art of Yirrkala, and 65,000 Years: A Short History of Australian Art.

This conversation was recorded at the Art Gallery of New South Wales on 30 July 2025. 

Speakers

Marcia Langton Co-curator (with Judith Ryan) of the exhibition 65,000 Years: A Short History of Australian Art, Potter Museum of Art, University of Melbourne (until 22 November 2025) Foundation Chair of Australian Indigenous Studies, Associate Provost and Distinguished Professor, University of Melbourne 

Clare Wright Author, Naku Dharuk The Bark Petitions: How the People of Yirrkala Changed the Course of Australian Democracy and more Professor of History and Professor of Public Engagement at La Trobe University 

Anna Clark (host) Author, Making Australian History, Private Lives, Public History, the History Wars Professor of history, Australian Centre for Public History, University of Technology Sydney 

Further information:

Yolngu power: the art of Yirrkala Art Gallery of New South Wales (until 6 October 2025)

65,000 Years: A Short History of Australian Art Potter Museum of Art, University of Melbourne (until 22 November 2025)

Yolngu power — art, culture, country, law — with Marcia Langton and Clare Wright

Join a full house at the Sydney Opera House with Nobel winning scientist Jennifer Doudna and Big Ideas' presenter Natasha Mitchell to discuss the huge social, ethical, and scientific implications of the CRISPR gene editing revolution her groundbreaking discovery with Emmanuelle Charpentier and colleagues kicked off. From curative therapies to gene edited babies - will we use it to hack our own evolution - are we already? 

This event was presented in 2024 by the Sydney Opera House, Big Questions Institute (BQI), Sydney Writers’ Festival, UNSW Sydney.

Original publication: 24 July 2024

Speaker:

Professor Jennifer Doudna2020 Nobel Prize for Chemistry co-winner Li Ka Shing Chancellor’s ChairProfessor, Departments of Chemistry and of Molecular and Cell BiologyFounder, Innovative Genomics InstituteUniversity of California, BerkeleyInvestigator, Howard Hughes Medical InstituteSenior investigator, Gladstone Institutes

Further information and listens:

Doudna Lab

Jennifer Doudna in conversation with Natasha Mitchell at an event in 2018

World's first CRISPR gene edited babies born - are we ready?(2018 Science Friction episode with Natasha Mitchell)

The CRISPR gene-edited babies and the doctor who made them - what really happened? (2019 Science Friction episode with Natasha Mitchell)

Out of jail, is the CRISPR-baby scandal scientist at it again? (2023 Science Friction episode with Natasha Mitchell)

Feral science or solution? Unleashing gene drives (Science Friction episode with Natasha Mitchell)

Making happier animals? Gene editing in the farmyard (Science Friction episode with Natasha Mitchell)

Hear Natasha Mitchell learn how to do CRISPR gene editing in 2016 (as part of a 4-part Earshot series The Hidden History of Eugenics, Part 1, Part 2, Part 3, Part 4)

The science and ethics of genome editing with Jennifer Doudna and Kevin Esvelt (video of event hosted by Natasha Mitchell in 2018)

Natasha Mitchell's review of Siddhartha Mukherjee's The Gene: An Intimate History

Nobel scientist Jennifer Doudna with Natasha Mitchell — the gene editing revolution, radical ethics, and what's next? [Archive episode]

New York writer Jonathan Rosen’s memoir The Best Minds: a story of friendship, madness, and the tragedy of good intentions is a story of tenderness, heartache, and horror as he explores the vexed tensions between civil rights, medical power, and the complexities of recognising and treating severe psychotic illness. 

He joins Big Ideas host Natasha Mitchell with psychiatrist Patrick McGorry for a powerful, moving conversation at the 2024 Adelaide Writers Week

Original broadcast on May 1, 2024

Speakers:

Jonathan RosenWriter and editorAuthor, The Best Minds: a story of friendship, madness, and the tragedy of good intentions

Patrick McGorryPsychiatristExecutive Director, OrygenProfessor of Youth Mental Health, University of MelbourneFounding Director, Headspace (National Youth Mental Health Foundation)

Further information and support services:

Lifeline Australia24x7 Crisis Support line on 13 11 14

Beyond Blue

MensLine Australia

SANE Australia

ReachOut Australia

AFRAFMI - supporting friends and carers of people with mental illness

One Door Mental Health (formerly the Schizophrenia Fellowship of NSW)

Hearing Voices Network

Mental Health First Aid Australia

Australians for Mental Health - advocating for better mental health policy and services in Australia

The delicate complexities of treating mental illness — Jonathan Rosen, Patrick McGorry with Natasha Mitchell

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