Society & Culture,
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ABC Radio National presents material from Big Ideas web and TV to bring you the best public talks, debates and lectures from Australia and around the world. One single audio file of the whole program - good for continuous listening.
November 3rd, 2015
Episode 253 of 456 episodes
Exploring the themes of optimism and knowledge as a force for 21st century progress.
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Welcome to the daily audio workout for your head.
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