2025 events

Big ideas from the best minds at the University of Sydney and beyond

Explore Sydney's most diverse range of free public talks, conversations and panel discussions with leading thinkers from Australia and around the world.

Full program

  • An evening with Sir Simon Schama

    Hear Simon Schama, acclaimed historian, writer and Professor of Art History and History at Columbia University, in-conversation with Professor Avril Alba.
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  • The Solutionists live with Alan Rusbridger

    British journalist and editor Alan Rusbridger sits down with Mark Scott, Vice-Chancellor of the University of Sydney and host of The Solutionists, for a conversation about media and politics.
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  • Is language power?

    Unpack language, culture and power with linguist John McWhorter in a conversation with host Nick Enfield
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  • Critical minerals

    Why are nations around the world racing to secure critical minerals? What’s at stake, and what does it mean for you?
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  • Katie Mack: The end of everything

    Join us for a lively talk about the likely ways the universe can die – such as a Heat Death, Vacuum Decay and other scenarios – with acclaimed theoretical astrophysicist Katie Mack.
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  • The Ideas Roundtable: Is Australia alright?

    Join our diverse lineup of experts and host, respected social researcher Rebecca Huntley, for a spirited open conversation on three urgent and complex issues shaping the present and future of our nation: climate change, gender equality and the rise of AI.
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  • Slow ageing

    It's natural that as we get older, our body and mind decline. While we can’t stop the effects of time, what is possible to stave off the growing risk, onset and burden of disease and incurable conditions?
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  • The social life of food

    Explore the science and stories shaping our food experiences and futures in a special edition of Sydney Ideas at Parramatta Lanes.
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  • An optimised life, examined

    On the ongoing optimisation of everything, everywhere. Featuring comedian Alex Lee, philosopher Emily Hulme, creative technologist Thea-Mai Baumann and computer scientist Elliot Varoy. Hosted by Steph Harmon, Guardian Australia's Culture Editor.
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