As recently as 60 years ago, we humans believed we were the only animals on Earth that could use tools. That impression was proved wrong in 1960 when famed primatologist Jane Goodall observed ...

A study of 203 birds across 15 passerine species found that birds better at solving physical puzzles were more innovative in ...

Many animals, including crows, chimps, orangutans, and octopuses, have mastered what we once thought was a humans-only trick: using tools. A lot of research on the subject has focused on how animals ...