Monkeys Grasp Geometry Without Schooling, Carnegie Mellon Study Finds

Researchers at Carnegie Mellon University tested geometric shape-matching abilities in macaques, anubis baboons, children aged 3–6, and adults from the Tsimane' and Himba peoples who have minimal formal education. All groups, including the non-human primates, performed above chance, suggesting that a basic grasp of geometry is innate rather than learned. The findings were published in the Proceedings of the National Academy of Sciences.

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