Great apes: what we know about their cognition, cooperation and curiosity after two decades of research

A chimpanzee sits in the Pongoland enclosure at Leipzig Zoo, where a huge amount of research has been conducted since 2004. Marco Warm/Shutterstock Leipzig Zoo in central Germany is a world-leading centre of great ape research. Recent studies have seen chimpanzees there using touchscreen controls to navigate virtual forests and locate food rewards – applying […]

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