A Social Experiment

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Mic Cavazzini chats with Professor Simon Gaechter from the University of Nottingham about why we humans just can't co-operate with one another- before putting our panelists through Gaechter's Public Goods Game to see just how selfish we all are.
Dr Julie-Anne Popple brings you the latest on morphing moths.
Presented by Victoria Bond
Produced by James Bourne