Science, Space and Technology News 2023
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The artifacts found indicate that these humans were building structures, potentially laying the foundation of platforms or parts of dwellings, much earlier than what was once believed.and Aberystwyth University excavated preserved wood at Kalambo Falls, Zambia, dating back to an impressive 476,000 years. Analyzing the stone tool cut marks on the wood, the team deduced that these early humans intentionally shaped and combined two logs, showcasing the deliberate crafting of logs to fit together.
The preservation of this wood is in itself remarkable. Typically, wood from such ancient times deteriorates and disappears. However, at Kalambo Falls, high water levels have protected and preserved these ancient wooden structures.These findings cast doubt on the previously held belief that Stone Age humans were strictly nomadic.
Professor Larry Barham from the University of Liverpool articulated the significance of this discovery, stating, “They used their intelligence, imagination, and skills to create something they’d never seen before, something that had never previously existed.”Dating these ancient artifacts was a challenge. Aberystwyth University utilized luminescence dating techniques, focusing on when the surrounding sand’s minerals were last exposed to sunlight.
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