Many animal species use tools, from insects, elephants and sea urchins to apes, badgers and octopuses, but there are only two animals who make hooks to catch food: humans and crows. Why we both do ...

The super-smart New Caledonian crow tends to tip its head to one particular side when it is wielding tools. Researchers have figured out why. Michelle Starr is CNET's science editor, and she hopes to ...

Though we’ve long known that crows use tools to get food (and occasionally to amuse themselves), scientists have lacked definitive evidence. Which is why two intrepid researchers invented the crow ...

The remarkable tool making of crows offers scientists a chance to search in other species for the equivalent of human handedness, say New Zealand researchers. New Caledonian crows make probes from ...

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