Artefacts such as bows and arrows do not necessarily prove our ancestors had sophisticated reasoning and understanding of how these tools worked, new research suggests.
from Top Technology News -- ScienceDaily https://www.sciencedaily.com/releases/2019/04/190401115742.htm
from Top Technology News -- ScienceDaily https://www.sciencedaily.com/releases/2019/04/190401115742.htm
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