Bang the rocks together, guys
ONE OF THE most famous edits in cinematic history comes early in “2001: A Space Odyssey”. A primitive hominid hurls a bone club into the air, and a match cut to a spacecraft instantaneously tells the millennia-long story of human ingenuity. Tools maketh man. Human beings conquered the planet by using tools to appropriate materials from the natural world, in order to achieve previously impossible tasks. But there was never a human monopoly on tool use, as a new paper inshows.
Dr Falótico and Dr Proffitt returned to the site of the previous excavation—a part of Serra da Capivara National Park in the Brazilian Amazon. They dug into an area of 67 square metres, to which the monkeys bring stones from a nearby stream bed. The site’s capuchins use quartzite cobbles as hammerstones, and tree limbs and loose stones as anvils.
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