A study of New Caledonian crows, which use sticks to fish beetle larvae out of tree trunks, shows exactly how advantageous tool use can be for animals. "Evolutionarily, animals that use tools have an ...

Intelligence isn't unique to humans — as the 15 amazing videos of animals solving problems in this article are about to show ...

When Jane Goodall first encountered chimpanzees using twigs as tools in 1960—something that scientists had assumed only humans could do — she wrote an excited telegram to her colleague Louis Leakey: ...