Shinchosha has published 'Human History of Division and Exclusion: Runaway Tribalism' by David R. Samson on April 15, 2026. The book discusses 'evolutionary mismatch,' where traits developed for ancestral survival now function negatively in the modern world, manifesting as tribalism and social exclusion. Samson, an Associate Professor at the University of Toronto Mississauga, uses interdisciplinary research to explain the origins of these instincts and proposes ways to overcome the resulting social fractures.

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