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On trains, in cafes, offices and in the street, we cannot help overhearing conversations not intended for our ears. Catherine Carr explores why we eavesdrop, and whether it is a harmless habit or a dangerous invasion of privacy. The poet Imtiaz Dharker takes ‘furtive pleasure’ in ‘lying in wait for secrets that people don’t even know they’re telling’ and sometimes what she hears ends up in her poems. Canadian journalist, Jackie Hong, eavesdropped on the radio communications of police and paramedics to get the news in real time. Not everything we hear in public is interesting to us: Lauren Emberson devised a psychology experiment to show why we find other people’s mobile phone conversations so difficult to ignore. In some circumstances, eavesdropping can be problematic. The historian Anita Krätzner-Ebert, who works at the Stasi Records Agency, has been conducting new research into cases of neighbours and strangers who eavesdropped and reported on each other in East Germany. Professor of Acoustic Engineering, Trevor Cox explains how some buildings have allowed embarrassing secrets to be overheard and literary scholar, Ann Gaylin says that eavesdropping scenes in novels show writers have always been curious about human curiosity.

(Photo: Woman cupping ear, Credit: Dmitro Derevyanko/Shutterstock)