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1.
11 p, 1.5 MB The evolution of human and ape hand proportions / Almécija, Sergio (Institut Català de Paleontologia Miquel Crusafont) ; Smaers, Jeroen B. (Stony Brook University. Department of Anthropology) ; Jungers, William L. (Stony Brook University. Department of Anatomical Sciences)
Human hands are distinguished from apes by possessing longer thumbs relative to fingers. However, this simple ape-human dichotomy fails to provide an adequate framework for testing competing hypotheses of human evolution and for reconstructing the morphology of the last common ancestor (LCA) of humans and chimpanzees. [...]
2015 - 10.1038/ncomms8717
Nature communications, Vol. 6 (2015) , art. 7717  
2.
8 p, 950.6 KB Earliest modern human-like hand bone from a new 41.84-million-year-old site at Olduvai in Tanzania / Domínguez-Rodrigo, Manuel (Universidad Complutense de Madrid. Departamento de Prehistoria) ; Rayne Pickering, Travis (University of Wisconsin-Madison. Department of Anthropology) ; Almécija, Sergio (Institut Català de Paleontologia Miquel Crusafont) ; Heaton, Jason L. (Ditsong National Museum of Natural History) ; Baquedano, Enrique (Instituto de Evolución en África) ; Mabulla, Audax (University of Dar es Salaam. Archaeology Unit) ; Uribelarrea, David (Universidad Complutense de Madrid. Departamento de Geodinámica)
Modern humans are characterized by specialized hand morphology that is associated with advanced manipulative skills. Thus, there is important debate in paleoanthropology about the possible cause-effect relationship of this modern human-like (MHL) hand anatomy, its associated grips and the invention and use of stone tools by early hominins. [...]
2015 - 10.1038/ncomms8987
Nature communications, Vol. 6 (2015) , art. 7987  

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