Chimpanzees are better able to solve complex exercises when they are being watched by those familiar to them, such as ...

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The Kumamoto Sanctuary is the only facility of its kind in Japan where chimpanzees used in experiments by pharmaceutical companies and university research institutes can live out the rest of their ...

Study finds some chimps twice as skilled at nut-cracking, highlighting 25 years of research on intelligence and tool use.

in Japan, has found that some chimpanzees are better at cracking nuts than others in their same group. In their paper published in the journal Nature Human Behavior, the group describes how they ...

A recent study conducted in Japan has shown that chimpanzees perform better at solving complex problems when observed by ...

A total of four leprosy cases have been reported in chimpanzees imported from Africa for the purpose of medical experiments. With the most recent case in Japan, the existence of M. leprae was ...

A similar “audience effect” appears to affect chimpanzees performing tasks on computers in lab experiments, researchers from Kyoto University in Japan say. In a new study, published today in ...

A recent study has revealed that chimpanzees, like many humans, perform better on complex tasks when they are being observed. Researchers in Japan, observing chimpanzees at a primate research ...