In this lively interview series from the RSA, Matthew Taylor, puts a range of practitioners on the spot - from scholars to business leaders, politicians to journalists - by asking for big ideas to help build effective bridges to our new future.

Geoff Mulgan is Professor of Collective Intelligence, Public Policy and Social Innovation at University College London. Formerly he was chief executive of Nesta, and held government roles (1997–2004), including as the Prime Minister’s Strategy Unit director and as Downing Street’s head of policy. He is the founder or co-founder of many organisations, from Demos to Action for Happiness, and the author of many books. HIs latest book is Another World Is Possible: How to Reignite Social and Political Imagination.

A Tempo & Talker production for the RSA.

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S27E114: Ceres' Origin Debate, Galactic Dark Matter Mystery Solved, and China's Space Plane Returns