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Study Reveals Chimpanzees Exhibit Rational Thinking Skills

11/25/2025

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Summary

Story summary

A University of California, Berkeley study found that chimpanzees assess and revise beliefs based on new evidence, indicating rational thinking once thought unique to humans.
The research was conducted at the Ngamba Island Chimpanzee Sanctuary in Uganda.
In experiments, chimpanzees evaluated conflicting clues about food locations.
The findings suggest chimpanzee intelligence narrows the cognitive gap with humans.

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Story summary

A University of California, Berkeley study found that chimpanzees assess and revise beliefs based on new evidence, indicating rational thinking once thought unique to humans.
The research was conducted at the Ngamba Island Chimpanzee Sanctuary in Uganda.
In experiments, chimpanzees evaluated conflicting clues about food locations.
The findings suggest chimpanzee intelligence narrows the cognitive gap with humans.