Cognitive biologists and comparative psychologists have just studied hook tool making in a non-human primate species -- the orangutan. To the researchers' surprise the apes spontaneously manufactured ...

Bending of a hook into wire to fish for the handle of a basket by crow Betty 15 years ago stunned the scientific world. Cognitive biologists studied tool making in an Indonesian cockatoo. Other than ...

A DIY hook that can be a lifesaver in a pinch. The gorge hook is a simple yet highly effective primitive tool that works as well today as it did a thousand years ago. And in a survival scenario, it ...

The bending of a hook into wire to fish for the handle of a basket is surprisingly challenging for young children under eight years of age. Now cognitive biologists and comparative psychologists from ...