Competent chimpanzee nutcrackers

Humans consider themselves as the tool user par excellence. Previous work comparing human tool use skills to that of other species tended to place the animals in artificial conditions far removed from their natural environments. ...

Frozen in time, cracks reveal earthquake history

(Phys.org) —Northern Chile's Atacama Desert is an earthquake scientist's dream – the hyper-arid plain keeps a visible record of cracks caused by a million year's worth of earthquakes.

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