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Episode details

Radio 4,06 Aug 2025,29 mins

74. Inventing a Language

Sideways

Available for over a year

Identical twins Matthew and Michael Youlden invented their own private language as toddlers. They鈥檝e gone on to become accomplished multi-linguists, but kept up their childhood invented language and still use it today. Matthew Syed explores the extraordinary human capacity to invent new systems of communication and considers whether language can penetrate and shape the way we see the world. He discovers the fascinating process involved in developing fictional languages with language creator Jessie Peterson. She invented 鈥楩irish鈥 (or Ts'铆ts'脿sh), which is spoken by the animated fire beings in Disney鈥檚 Elemental. Matthew also hears about the life-changing effect the ancient language of Sanskrit had on an American Professor. Through their stories, Matthew rethinks his own feelings towards the relationship between language and thought. With identical twins 鈥楽uperpolyglot Bros鈥 Matthew and Michael Youlden; Professor of Psychology and Director of the Twin Studies Center at California State University Fullerton, Dr Nancy Segal; professional language creator Jessie Peterson; and Varun Khanna, Professor of Classics at Swarthmore College, Pennsylvania. Presenter: Matthew Syed Producer: Vishva Samani Editor: Hannah Marshall Sound Design and Mix: Mark Pittan Theme music by Ioana Selaru A Novel production for 麻豆社 Radio 4

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