Gold has always been significant to our lives. How did such an unreactive element become essential to economies around the world? And what makes gold so useful to chemists?

The mysteries of gold

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.

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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 Technofeudalism: What Killed Capitalism),  Joelle Gergis (author of Humanity's Moment: A Climate Scientist's Case for Hope) and Thomas Keneally (Schindler's List).

How to challenge political spin with straight talk — Richard Denniss, Joelle Gergis, Yanis Varoufakis, Tom Keneally

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.

Dr Norman Swan with biotechnology pioneers on what's next for medicine

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 Gender Equality. Her verdict: we are going backwards worldwide.

"It's personal" — field stories from the frontline of Australia's Ambassador for Gender Equality

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

Trees as an alternative crop — the future of forestry in Australia?

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.

The mysteries of gold

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