A well-decorated cave is giving scientists more insight into the lives of our early human cousins.
– or marks made by human hands. They made a plotting analysis and used photogrammetry to build 3D models of the markings and compared them with known and experimental human markings. Based on the arrangement, spacing, and shape of the engravings, the team believes that they are deliberate, intentional, and organized shapes that human hands created.
An animated 3D model of the main decorated wall of the Roche-Cotard cave. CREDIT: Marquet et al., PLOS ONE, 2023. The sediments within the cave were dated using a process called optically-stimulated luminescence dating. According to the researchers, this particular cave was closed up by sediment about 57,000 years ago—The age of the sediments, combined with the fact that stone tools in the cave are associated with a[Related:
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