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Distribution of Bell Beaker-derived and Yamnaya-derived ancestry proportions obtained from the IBD admixture model. DOI: 10.1101/2024.12.02.626332 The Genetic Story of Two Migrations By analyzing 314 ancient genomes, researchers identified two distinct expansions of steppe ancestry into the Mediterranean.
But beyond their everyday function of fastening and securing, knots hold something deeper: a story about the evolution of human cognition, the flow of culture, and the quiet persistence of shared technique across continents and millennia. The process of Gauss coding a simple knot. Image credit: Roope Kaaronen / University of Helsinki.
The Italian Peninsula before the rise of Rome was a tapestry of diverse ethnic groups, each with unique languages, customs, and material cultures. A recent study, The Genomic Portrait of the Picene Culture 1 , published in Genome Biology , attempts to decode their past through ancient DNA analysis. Ravasini et al. Ravasini et al.
These results suggest that Neanderthals and modern humans coexisted and exchanged genes during a time shaped by profound environmental shifts and cultural advancements, such as technological innovation and the adaptation to diverse habitats. Journal : The American Journal of Human Genetics , 2015. DOI : 10.1016/j.ajhg.2014.10.003
The findings, published in Nature Communications 1 , reveal a wealth of information about the boy's ancestry, physical traits, health, and the environment in which he lived, offering a rare glimpse into the lives of prehistoric humans. Life history and ancestry of the late Upper Palaeolithic infant from Grotta delle Mura, Italy.
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