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Sharpening

/ˈʃɑːr.pə.nɪŋ/verb / noun
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Sharpening is the process of refining an edge to make it keener and more effective, typically through abrasion with tools like stones or whetstones. Beyond physical tools, it metaphorically means enhancing skills or focus, such as in mental sharpening for better decision-making in high-stakes situations.

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Archaeologists discovered that early humans were sharpening flint tools over 2.5 million years ago in East Africa, with sites like Olduvai Gorge revealing sharpened stones that doubled as the first multi-purpose tools. This innovation not only improved hunting efficiency but also marked a pivotal step in human evolution, allowing for the development of more complex societies.

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