so its appearance was later, perhaps in response to the need for an alternative means of communication” explains García-Roa. “In addition, we saw that in the Iguania group, where animals such as chameleons and iguanas are found, the presence of these glands is more abundant than previously believed, so that chemical communication in this group could be more important in their communicative interactions of what had been considered until now “, concludes the researcher. This work is a base on which to base future studies that explain what ecological factors could be behind the way in which these structures have evolved. A team of scientists from eight countries coordinated, among other institutions, by the University of Valladolid (UVa), in close collaboration with the Department of Prehistory of the Autonomous University of Barcelona, ​​the German Archaeological Institute-

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Madrid, has studied ancient mitochondrial DNA to delve into the population dynamics and migratory movements that occurred in the Iberian Peninsula during late prehistory, Palestine Email List between the Neolithic (5500 BC) and the Ancient Bronze (1500 BC). After analyzing the DNA of 344 individuals from 56 archaeological sites, the researchers conclude that only in the ancient Neolithic was a significant external population contribution, specifically, of individuals originating from the Near East. Agriculture first arrived on the Iberian Peninsula around 5700 BC. However, the data available on the genetic structure and evolution of populations in different geographic areas of the Peninsula since then were scarce. To try to fill this gap, since 2011, a team made up of more than 40 archaeologists from different universities, museums and heritage services from Hungary, Germany, Spain,

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the United States, Portugal, Brazil, Austria and Switzerland, has worked on the project. ‘Reconstruction of the population dynamics of the Iberian Peninsula between the Neolithic and the Bronze Age based on aDNA-analysis’, funded mainly by the German Foundation for Scientific Research (DFG). In coordinating the work of this project, the Department of Prehistory of the University of Valladolid (UVa) has participated, specifically, the team led by Professor Manuel Rojo Guerra, who underlines in statements to DiCYT that with ancient DNA studies “Many of the archaeological problems raised about the neolithization and the evolution of populations up to the Ancient Bronze Age can be clarified.” Specifically, genetic information has been collected from 344 individuals from 56 archaeological sites on the Iberian Peninsula dating from the Neolithic,

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