Big Ideas

What if we could turn back time on our biological clock and slow down — even reverse — aging? High profile Harvard scientist David Sinclair is co-author of the New York Times bestseller Lifespan: Why We Age and Why We Don’t Have To. His lab’s work is as ambitious as it is controversial.  He wants to radically change the way we live our lives — and push at the boundary of what it means to be human....

It's been 60 years since then Australian Prime Minister Robert Menzies sent Australians to fight in the Vietnam War. Since that time, the defence force has been involved in many armed conflicts and peace keeping missions around the world — but with varying degrees of public support. So how have successive Australian governments managed public consensus around military engagements? And with war onc...

If democracy is the will of the people, what does this federal election result say about Australia? In his election night victory speech, Prime Minister Anthony Albanese said Australians had voted for Australian values, claiming these were fairness, aspiration and opportunity for all. But is this right message we should take from the election result? This conversation was recorded live at the 2025...

Australians are now the biggest consumers per capita of clothes in the world. But just three per cent of clothing is made here in Australia. So is it time for a fashion rethink? This event was held at the Melbourne Museum as part of Melbourne Fashion Festival's Fashion Talks program on 4 March 2025.  Speakers Tara Moses Chief Operating Officer, RM Williams Sarah Sheridan Co-founder, Clothing the G...

Meta's Mark Zuckerberg has said “a lot of the corporate world has become culturally neutered” and that it needs more “masculine energy”? Has it and does it? At Meta, he recently shut down initiatives that promote equity and diversity in his workplace. In the USA, so has Ford, Mcdonalds, Walmart, and the Trump administration. But in Australia, less than 5% of CEOs in private companies are women and...

Democracies in retreat, attacks on science, border disputes, death and destruction. It can feel like we are living in unprecedented times - but here's the thing: world history has a habit of repeating itself. So what lessons does history teach us about this moment in which we find ourselves? Do we humans learn anything from the past, or are we destined to repeat the same mistakes? This event was r...

After five nominations, Ruthie Foster has taken home the 2025 Grammy Award for Best Contemporary Blues Album - affirming her status as an American music legend. In this intimate conversation, she shares what made her want to be a singer; the roles of her grandmother and mother in her life; why faith is so important to her and why she wants to sing about real people. And much more… A Heartlands Con...

The exiled founder of Russia's only independent television news channel, Mikhail Zygar, takes us inside Vladimir Putin's Russia, with a firsthand account of how the President has successfully silenced the media, opposition and Kremlin critics, to cement his hold on power. The 2025 AN Smith Lecture: Journalism against autocracy: Putin, Trump and the future of news was recorded at the University of...

A story of continents crashing and cleaving apart, the making of a civilisation, the language of the dead, and ... a mummified rat makes a cameo too. The Incan empire was vast and sophisticated. It built the stunning citadel in the clouds of Machu Picchu in the Andes mountains. But within a century its people were catastrophically wiped out by the onslaught of the Spanish conquistadors. Join Big I...

The language used to talk about mental ill-health can play a key role in reducing or enforcing stigma. And it's constantly evolving. But what terms should be used and when? And by whom? The wrong word can not only deeply hurt a person's feelings. It can end careers, destroy relationships, cut access to support systems. This special World Mental Health Day PsychTalks event was presented by  the Men...

What can a mosquito teach us about time? Noone likes a mosquito bite — but for a brief moment when it stings you, you know you are alive. Humans are temporal beings, but across cultures, our concepts of time are vastly different. This event explores what we can learn from science, philosophy and Indigenous perspectives that can alter experiences of and attitudes to time, to make better decisions f...