Agenda

01 Jul 2026 11:12

Review article The Physics of News, Rumors, and Opinions by Prof. Caldarelli

online

The review article The Physics of News, Rumors, and Opinions (Caldarelli et al., Physics Reports, 1186, 1–75, 2026) provides a comprehensive framework for understanding how information, narratives, and collective beliefs emerge and spread within complex socio-technical systems. By combining statistical physics, network science, computational social science, and large-scale data analysis, the work investigates the mechanisms governing information diffusion, misinformation cascades, opinion formation, polarisation, and collective behaviour in digital environments.

The themes addressed in this review are directly aligned with the objectives of the NODES project, which aims to leverage advanced data science, network analysis, and artificial intelligence to understand and manage complex societal systems. In particular, the paper contributes methodological and conceptual tools for analysing large-scale information ecosystems, identifying the structural determinants of information propagation, and assessing the resilience of social networks to manipulation, misinformation, and coordinated influence campaigns. The article also highlights how digital platforms generate unprecedented volumes of relational and behavioural data that can be transformed into actionable knowledge through network-based approaches. This perspective strongly resonates with NODES’ mission of developing innovative data-driven methodologies for studying collective phenomena, supporting evidence-based policy making, and fostering trustworthy digital environments. By integrating theoretical models with empirical observations, the review demonstrates how complexity science can bridge fundamental research and practical applications in domains ranging from democratic participation and media ecosystems to social cohesion and digital governance.

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