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Every article on Frontiers is peer reviewed, permanently archived and free to read.

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Original Research
Published 21 September 2026
The co-evolution of costly markers and cooperation in social dilemmas
Mahdi Abolhasani · Saman Moghimi-Araghi · Mohammad Salahshour
Frontiers in Ethology
doi 10.3389/fetho.2026.1880588
Brief Research Report
Published 4 December 2025
Communication among selected members improves cooperation in a social dilemma
Yoko Kitakaji · Yoichi Hizen · Susumu Ohnuma
Frontiers in Behavioral Economics
doi 10.3389/frbhe.2025.1495995