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This study describes the design and implementation of a science outreach program (elementary; 2nd–5th) and its associated student outcomes. Key features of the program include: (a) phenomenon‐based, NGSS‐aligned curriculum designed by science education experts and influenced by educational, sociocultural, and cognitive science theories, (b) active engagement by elementary students in experimentation...
Bonobos have been observed to use socio-sexual behavior at higher frequency than chimpanzees. Little is known about the developmental influences that shape this behavior in bonobos. We compared the social sexual behavior of wild-born bonobo (n = 8) and chimpanzee (n = 16) infants in an experimental feeding test. Subjects of both species were orphans of the bushmeat trade living at sanctuaries in peer...
To understand constraints on the evolution of cooperation, we compared the ability of bonobos and chimpanzees to cooperatively solve a food-retrieval problem. We addressed two hypotheses. The “emotional-reactivity hypothesis” predicts that bonobos will cooperate more successfully because tolerance levels are higher in bonobos. This prediction is inspired by studies of domesticated animals; such studies...
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