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On this programme the theme is collision: the confrontation between tradition and modernity in contemporary Australia, why colliding tectonic plates may have caused the collapse of civilizations and, after a collapse, how a failed nation state can rebuild itself

Meet the Guests

Israeli geophysicist Amos Nur, author of Apocalypse: Earthquakes, Archaeology, and the Wrath of God explores the idea that earthquakes have held far more importance in shaping history than previously thought.

Sri Lankan born Australian author Michelle de Kretser discusses the immigrant experience in her latest novel The Lost Dog, through a narrative that weaves together stories of modern Australia with mid-20th century India.

Former finance minister of Afghanistan and head of the Institute for State Effectiveness, Dr Ashraf Ghani, is the co-author of Fixing Failed States. Ashraf offers us a tool box of ideas including a ten-point plan to help failed nation states function more effectively.

Listen to the 60 second idea

Each week we give one of our guests the chance to change the world and present an idea they feel could make all the difference.

This week it's the turn of geophysicist Amos Nur.

Listen to more 60 second ideas