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A recent study, published in the European Journal of Archaeology 1 , suggests these plaques may represent one of humanity's earliest attempts at recording genealogy—a non-verbal precursor to modern ancestry documentation. Journal : Scientific Reports , 2022. Journal : Archaeological and Anthropological Sciences , 2017.
Journal : Evolutionary Anthropology , 2022. 1302653110 Summary : Uses dental morphology to reassess speciation events and shared ancestry between Neanderthals and Homo sapiens. Journal : Journal of Anthropological Sciences , 2007. DOI : 10.1002/evan.21955 DOI : 10.1073/pnas.1302653110
Bridging Evolutionary Gaps in Asia Asia's evolutionary timeline during the Pleistocene is marked by a mosaic of hominin species, each contributing uniquely to human ancestry. Source: American Journal of Physical Anthropology, 2010. Source: Current Anthropology, 2017. Source: Nature Geoscience, 2022.
.” How the Study Was Conducted To uncover the genetic basis for tooth dimensions, the researchers turned to a diverse dataset of 882 Colombian volunteers of mixed European, Native American, and African ancestry. Using high-resolution 3D scans of dental casts, they measured the visible parts of teeth, or dental crowns.
"We know the community of microbes living in the large intestine can produce compounds that affect aspects of human biology," explained Katherine Amato, associate professor of anthropology at Northwestern and lead author of the study. American Journal of Physical Anthropology, 159 (S61), 196–215. DOI:10.1002/ajp.22867 Sharma, A.
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