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Strangers: Laurie Taylor explores Xenophobia, the fear or hatred of those we do not know. Evolutionary psychologists often describe it as a natural and timeless phenomenon rooted in ancient history. But how accurate is that bleak assessment? George Makari, historian and Director of the DeWitt Wallace Institute, has authored a new study sparked by the resurgence of Xenophobia in 2016. He set out to explore the origins of the concept: Coined by late nineteenth-century medics and political commentators, it emerged alongside Western nationalism, colonialism, mass migration, and genocide. Can an understanding of its complex history offer a more hopeful vision of human co-operation in the future? They're joined by Jonathan Purkis, an independent academic and lifelong aficionado of hitchhiking culture. His history of hitchhiking argues that 'driving with strangers' can offer unique opportunities for cooperation, friendship and an openness to the feared 'other'.

Producer: Jayne Egerton