Jane Goodall’s research at Gombe Stream National Park revolutionized our understanding of chimpanzee intelligence. In 1960, she observed a chimp named David Greybeard stripping leaves from twigs to ...

For something so admired, so synonymous with merit, the concept of intelligence is remarkably poorly understood. Our society operates on the assumption that people with greater intelligence deserve ...

Chimpanzees may well share with us cognitive abilities that were thought to be reserved for humans. A recent study reveals that these primates are capable of modifying their convictions when faced ...

When Jane Goodall arrived at Tanzania's Gombe Stream in 1960, she carried neither a doctoral degree nor conventional scientific training. What she possessed was something far more useful: the ...

The more we try to understand chimpanzees, one of our closest relatives, the more we find ourselves humbled by the richness and complexity of their lives — and of their intelligence. Today, on World ...