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 hook tools out of straight wire within the very first trial and in a second task unbent curved wire to make a straight tool.
from All Top News -- ScienceDaily https://www.sciencedaily.com/releases/2018/11/181108111756.htm
from All Top News -- ScienceDaily https://www.sciencedaily.com/releases/2018/11/181108111756.htm
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