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nonhuman primates

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Can ancient amputations tell us about the care systems of our ancestors?

A 33,000-year-old case of an amputated leg prompts comparisons to earlier Neandertal instances of amputation.

Skull of the Shanidar 1 individual with portions of the upper body skeleton visible, on a blue velvet table
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How the lives of mothers matter to offspring survival in wild primates

A paper by Matthew Zipple and coworkers finds that the survival of young primates depends on their mothers "well beyond the age of weaning".

Chimpanzee mother and infant
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Looking at the traces of wear on tools used by capuchin monkeys

Studying microscopic traces of wear on tools helps create a comparative body of data for early hominin use of tools.

A small capuchin monkey is holding a rock with one hand and using the other hand to hold a seed on a stone on the ground
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Why do male bonobos have such low body fat?

Work by Adrienne Zihlman and Debra Bolter looks at the interesting tissue proportions and what they may imply about energy and diet.

Bonobo leaning toward the left into the camera frame, with green vegetation background
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Interview with Dr. Agustín Fuentes about primate cooperation and human origins

In this video I talk with the well-known primatologists about the ways that apes and monkeys can illuminate behaviors in our ancestors.