Wild chimpanzees show reduced participation and performance in their tool-use behaviours as they experience old age, according to long-term video observations. The study, published today in eLife, ...

Just like any self-respecting plumber has a tool for any occasion, chimpanzees in the Congo have developed specialized "tool kits" to help them forage for ants. That's the conclusion of new research ...

Chimpanzees are among the most intelligent animals on Earth - and also some of the most complex. They use tools, communicate, and even organize coordinated group hunts. But their behavior can also ...