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A sample of new research exploring costly signaling and trust among groups, factors that predict why adolescent friendships end, and how picture books contribute to language learning. ... More>
Frans B.M. de Waal has news for people who think that the tendency to establish cultural norms separates humans from other animals: By teaching a high-ranking female chimpanzee how to solve a complicated puzzle and then watching copycat behavior spread among her group, de Waal and his colleagues documented evidence of both complex social learning and conformity in nonhumans. ... More>
In the days, weeks, and years following traumatic events from combat to spinal-cord injuries, most individuals respond with resilience and do not go on to develop PTSD, notes APS Fellow George A. Bonanno. Bonanno joins APS James McKeen Cattell Fellow Ian J. Deary, Sarah-Jayne Blakemore, Emily Butler, and Robert N. Singer for a cross-cutting theme program on how memory, relationships, and even IQ can affect people across different periods of their lifespans — from milliseconds to decades. ... More>