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Models indicate that reciprocity cannot evolve when errors lead to frequent misunderstanding between cooperators. Boyd and Mathew show that third-party arbitration allows reciprocity to thrive even when errors are common and arbitration is imperfect.
Deco et al. use multimodal neuroimaging data to quantify the global workspace as the common ‘functional rich club’ of regions intersecting across seven tasks as well as rest.
In a Registered Report, Eldar et al. measure pupillary responses in six different tasks to adjudicate between two accounts of biases in decision-making: do biases reflect a lack of effort and deliberation or do they arise from gradual information integration?
Zhang et al. build a cultural phylogeny of historical Islamic sects and schools from the seventh to twentieth centuries and use phylogenetic comparative methods to show that apocalyptic and reincarnation beliefs display distinct relationships with intergroup violence.
Integrating human mobility and activity data with ground-level measurements and air quality models, Shen et al. find that despite a reduction in outdoor PM2.5 during the COVID-19 quarantine in China, overall population exposure to PM2.5 increased.