How Ancient Human Relatives In South Africa Used Their Hands For Climbing, Tool Use And Movements
3D color maps of cortical bone distribution in fossil and extant hominin phalanges. Image credit: Syeda et al., Sci. Adv. 11, eadt1201 (2025)
Scientists have found new evidence for how our fossil human relatives in South Africa may have used their hands.
Their study focused on two ancient human relatives, Australopithecus sediba and Homo naledi, who had different finger bone morphologies, and could use different hand grips, necessary for using tools and for climbing.
Research team led by Samar Syeda, postdoctoral researcher at the American Museum of Natural History, together with scientists at the Max Planck Institute for Evolutionary Anthropology, the University of the Witwatersrand, University of Kent, Duke University and the National Geographic Society, focused on two, almost complete fossil hand skeletons found in South Africa.
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