Thinking Allowed

Conspiracy theories: Laurie Taylor talks to Thomas Konda, Professor of Political Science at SUNY, Plattsburgh, about the history and changing nature of conspiracy theories. Why have such wild theories overrun America? Also, Hugo Leal, Methods Fellow at the University of Cambridge discusses the most comprehensive examination of conspiracy theories ever conducted. About 11,500 people were surveyed in a study covered nine countries - the US, Britain (excluding Northern Ireland), Poland, Italy, France, Germany, Portugal, Sweden and Hungary. The research found that Trump and Brexit voters were more likely to believe in conspiracy theories than others. Producer: Jayne Egerton

Laurie Taylor discusses the complex relationship between danger, travel and tourism. Ruben Andersson asks whether Western powers should reconsider their treatment of some no-go zones and move away from a politics fired by fear. How can we best calculate the risks of visiting countries where there is the possibility of unrest or worse? Debbie Lisle turns the lens on tourism in areas of conflict and considers what happens when soldiers become tourists and tourists enter war zones. Producers: Natalia Fernandez and Alice Bloch

Detecting the social – how the changing nature of crime stories illuminates shifts in society. Also, homicide confessions on social media. What does it mean when killers confess online? Laurie Taylor is joined by Mary Evans, Emeritus Professor of Sociology at the LSE and Elizabeth Yardley, director of the Centre for Applied Criminology at Birmingham City University.Producer: Jayne Egerton

Branding: Laurie Taylor explores the 'persuasion industries' and their role in creating modern consumer society. How has their use of an emotional model of brand communication, whether in political campaigning or product advertising, transformed our understanding of the rational consumer? He's joined by Steven McKevitt, Visiting Professor in Brand Communication, at Leeds Beckett University. Also, how 'branding' can desensitize far right consumers to extremist ideas. Cynthia Miller-Idriss, Associate Professor of Education and Sociology at American University, discusses her study into the ways in which extremism is going mainstream in Germany through clothing brands laced with racist and nationalist symbols. Producer: Jayne Egerton

Cute and kitsch - Simon May, visiting professor of philosophy at King’s College London, explores cuteness and its immense hold on us, from emojis and fluffy puppies to its more uncanny, subversive expressions. Also, the changing significance of kitsch, from garden gnomes to Eurotrash. Ruth Holliday, Professor of Gender and Culture at the University of Leeds, suggests that judgements of taste have shifted ground rather than relaxed. They’re joined by the cultural critic, Peter York.This programme was first broadcast in March 2019Producer: Jayne Egerton

Debt: we live in a culture of credit with a dramatic surge in private borrowing due to wage stagnation over several decades. Many people will now be indebted until death. Johnna Montgomerie,Reader in International Political Economy King's College London, tells Laurie Taylor why she proposes the abolition of household debt in the context of a chronically dysfunctional situation, both individually and collectively. Also, the story of the National Debt. Martin Slater, Emeritus Fellow in Economics at the University of Oxford, explores its changing fortunes and role in shaping the course of British history. How has Britain been moulded by attempts to break fee of the debt, from post war Keynesian economics to today's austerity?Producer: Jayne Egerton

Spectacular urbanisation: The world’s tallest building is in Dubai and the 2022 World Cup in soccer will be played in fabulous Qatar facilities. But what role do the sensational cities of the Arabian Peninsula play in urban development across the Earth? Laurie Taylor talks to Harvey Molotch, Professor of Sociology at New York University and to Davide Ponzini , Associate Professor of Urban Planning at Politecnico di Milano, Italy. Also, Natalie Koch, Associate Professor of Geography at Syracuse University, asks why autocrats in resource rich nations build spectacular new capital cities.Producer: Jayne Egerton

Corridors: We spend our lives moving through hallways and corridors, yet these channelling spaces do not feature in architectural histories. They are overlooked and undervalued. Laurie talks to Roger Luckhurst, Professor of Modern Literature at Birkbeck, University of London, whose new book charts the origins and meaning of the corridor, from country houses and utopian communities in the eighteenth centuries, through reformist Victorian prisons to the "corridors of power," as well as their often fearful depiction in popular culture. They’re joined by Kate Marshall, Associate Professor of English at the University of Notre Dame and author of a study of the intriguing place of the corridor in modernist literature.Producer: Jayne Egerton

Snobbery is defined as the behaviour or attitude of people who think they are better than others. Laurie Taylor explores the social history, meaning and changing nature of this sense of superiority. He talks to David Morgan, Emeritus Professor of Sociology at the University of Manchester, Bev Skeggs, Professor of Sociology at the LSE and Florence Sutcliffe Braithwaite, Lecturer in 20th Century History at University College, London.Producer: Jayne Egerton

Walls: A social history of the human made barrier which has divided people into those who should be kept safe and those who should be excluded. From Hadrian’s Wall and the Great Wall of China to the Berlin Wall. Laurie Taylor talks to David Frye, Professor of History at Eastern Connecticut University and Wendy Pullan, Professor of Architecture and Urban Studies at the University of Cambridge.