University Extension: Integration Experiences in Response to Social Demands by Bestard González, María Caridad, López García, Juan Eligio, López García, Yoisell

“…In this article we share an approach to the systematization of experiences gained from an outreach project carried out from 2004 to 2012. …”
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Systemic and intra-accumbal administration of the 5-ht1b receptor agonist CP94253 modulates oral self-administration of ethanol in rats by Jiménez, Juan C., Cortés-Salazar, Felipe, Cedillo-Ildefonso, Benita, Miranda, Florencio

“…Male Wistar rats were water deprived for 24 h, and then trained to lever-press for EtOH reinforcement on a FR3 schedule until response rate remained stable at 80%. After this training, a group of rats received an intraperitoneal injection of 5-HT1B receptor agonist CP94253 before rats were under FR3 schedule of reinforcement for EtOH access. …”
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Filosofía y educación: pensando otras infancias by Fornasari, Mónica, Jaimez, Julieta

“…They asked questions, shared concerns, and unfolded their curiosity to discover new horizons as reflective subjects.…”
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Crianzas Saludables: infancias y adolescencias en contextos tecnoculturales by Torcomian, Claudia, Fariña, Fabian, García, María Fernanda, Giordano Morás, Marina Florencia, Halliday, Matias, Segovia, Natasha, Zachetti, Micaela

“…The present work describes and analyzes the dialogical experiences carried out by the team of the Outreach Program for New Child-Youth Subjectivities in techno-cultural contexts through the Guidance Service on Healthy Upbringing (Servicio de Orientación en Crianzas Saludables, SOCS) in two stages: during the year 2019 and during the quarantine. …”
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Circuitos musicales, una experiencia de Extensión Universitaria de la FFHA - UNSJ by Mas, Stella Maris, Moreno, Ángela Nahir, Ortiz, María José

“…It comprises students, teachers, non-teaching staff of the institution, and other governmental and non-governmental organizations (foundations) that work towards a common goal. …”
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Español by Cerrotta, Alfonso, Lindstrôm, L. I., Franchini, M. C., Flemmer, A., Echenique, V.

“…Anthesis in early sowing dates was not advanced compared to later sowing dates, but the  vegetative stage was extended and it occurred under smoother climate conditions. …”
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Tramas en torno al quichua: experiencia extensionista de acción glotopolítica by Trejo, Petrona Elsa, Alegre, María Laura

“…Worldviews, biographies, representations about state politics around Quichua and experiences were revealed. …”
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Evaluation of agronomic variables in the cultivation of goldenrod (Solidago chilensis Meyen) in the Argentine humid pampas by Perez, Beatriz, Lus, Bruno A., Barrientos, Gualterio N., Carrettoni, Daiana M., Apóstolo, Nancy M.

“…Early sowing lengthened the vegetative and reproductive growth stages and increased main stem length, number of inflorescences, number of basal branches and yields of the first and second harvest. …”
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Comparison of variable selection procedures to model weather-pathogen relation in crops by Suarez, Franco Marcelo, Bruno, Cecilia, Giménez Pecci, María de la Paz, Balzarini, Mónica

“…Stepwise, Boruta, and LASSO are variable selection procedures of different nature, so their relative performance has been scarcely explored. The objective of this work was the comparison of these methods simultaneously applied in the construction of regression models to predict disease risk from climatic data. …”
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Extension and Healthy Environments: student accounts of experiences by Andrián, Mariana, Boimvaser, Nadina, Dezar, Gimena, Gigliotti, Victoria, Sedlacek, Natalia

“…Drawing on students' voices, this article seeks to share their perspective about the experience, with a special focus on their perceived strengths and weaknesses during the outreach work. …”
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A disturbing origin by Amatriain, Lucía, Domínguez, María Elena

“…Harry Potter carries on his body the scar of a disturbing origin. It carries secrets that himself does not know… but at the age of ten, a letter arrives at its destination and the lies about his family history begin to be revealed. …”
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Taphonomy of bones remains from pellets of Coragyps atratus (black vulture) in the northwest of the argentinian Patagonia by Ballejo, Fernando, Fernández, Fernando, De Santis, Luciano J. M.

“…However, the studies focus on scavenger birds have been scarcely considered in Argentina, despite the fact that they play a fundamental role in the alteration and transportation of carcasses. …”
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Environmental changes and supply rocks strategies of during the period 12 000-4000 years AP in Jujuy puna, Argentina by Oxman, Brenda Irene, Hoguin, Rodolphe

“…The results show that the Early Holocene was more stable and humid environment, with a smaller distance between patches of vegetation and those groups of hunter-gatherers developed a direct supply of certain raw materials and the rock-carving sequence was fully developed in the same residential base; while during the middle Holocene an environmental and technological variations are detected and the period were divided into two different moments, which is reflected in a higher specialization of the sites in relation to the different technological activities, accompanied by a growing aridity process. …”
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Lightning stones: lithics analysis from an holistic perspective by Cabral Ortíz, Jorge E., Mercuri, Cecilia, García De Cecco, Pilar, Mendoza, Federico G.

“…According to the preliminary study, it is proposed an event of a ritual nature in which the presence of 10 polished quartz stones stands out, being practically the only lithic artifacts recovered in excavation, in which the ceramic material is very abundant.…”
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Recovery, curation and bioanthropological studies of Frengüelli-Brunet Collection by Millán, Ana Gabriela, Mohamed, Nadia, Dahinten, Silvia

“…Despite the lack of chronological and archaeological context information due to the unsystematic archaeological rescues, it is worth it to mention that the vast majority of the skeletons in the collection stem from the Central cost and the Central-West Chubut province, a region with scarce archaeological information. This highlights the importance of studying this collection as it will provide valuable knowledge about the original populations that habited the region.…”
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Rock volume exploitation analysis by Santos Valero, Florencia, Barros, Paula

“…In this sense, the invitation to participate pointed to works that exceeded the analyzes carried out in the quarry-workshops, addressing this problem even from the final stages of instrument making and in sites distant hundreds of kilometers from the sources. …”
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Pre-Hispanic feeding patterns and their consequences on the masticatory system. Comparative study in samples from Quebrada de Humahuaca and northern coast of Patagonia by Dentoni, María Nélida, Seldes, Verónica, Aranda, Claudia, Luna, Leandro

“…Variables such as caries, root remains, dental fractures and sequelae of periapical processes, as well as the intensity of dental wear and the state of the anterior alveolar bone table, were macroscopically recorded to evaluate the incidence of different types of feeding on the masticatory system. …”
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A Paleogenomic Reconstruction of the Deep Population History of the Andes by Nakatsuka, Nathan, Lazaridis, Iosif, Barbieri, Chiara, Skoglund, Pontus, Rohland, Nadin, Mallick, Swapan, Posth, Cosimo, Harkins Kinkaid, Kelly, Ferry, Matthew, Harney, Éadaoin, Michel, Megan, Stewardson, Kristin, Novak-Forst, Jannine, Capriles, José M., Durruty, Marta Alfonso, Álvarez, Karina Aranda, Beresford-Jones, David, Burger, Richard, Cadwallader, Lauren, Fujita, Ricardo, Isla, Johny, Lau, George, Aguirre, Carlos Lémuz, LeBlanc, Steven, Maldonado, Sergio Calla, Meddens, Frank, Messineo, Pablo Geronimo, Culleton, Brendan J., Harper, Thomas K., Quilter, Jeffrey, Politis, Gustavo Gabriel, Rademaker, Kurt, Reindel, Markus, Rivera, Mario, Salazar, Lucy, Sandoval, José R., Santoro, Calogero M., Scheifler, Nahuel Alberto, Standen, Vivien, Barreto, Maria Ines, Flores Espinoza, Isabel, Tomasto Cagigao, Elsa, Valverde, Guido, Kennett, Douglas J., Cooper, Alan, Krause, Johannes, Haak, Wolfgang, Llamas, Bastien, Reich, David, Fehren Schmitz, Lars

“…We assembled genome-wide data on 89 individuals dating from ∼9,000-500 years ago (BP), with a particular focus on the period of the rise and fall of state societies. Today's genetic structure began to develop by 5,800 BP, followed by bi-directional gene flow between the North and South Highlands, and between the Highlands and Coast. …”
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Alluvial deposit stratigraphy from the Salto de Piedra Paleontological Locality (Argentine Pampas): evidence from last glacial-interglacial cycles by Favier Dubois, Cristian Mario, Herrera Villegas, Dalila Viviana, Bonini, Ricardo Adolfo, Gómez, Gustavo Norberto, Steffan, Pamela Guillermina, Bax, María Marcela, Flores, Ariadna, Bellinzoni, Jonathan, Alberdi, María T., Prado, Jose Luis

“…These discontinuities correspond to both erosive discordances indicating fluvial reactivation and pedological horizons indicating stability intervals; among the latter, the development of a thick calcrete stands out. The facies and lithofacies identified in the depositional units correspond to sedimentation sub-environments having different attributes with respect to the preservation of the fossil record. …”
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An approach to prehispanic diets in the pampas during early/middle Holocene by Politis, Gustavo Gabriel, Scabuzzo, Clara, Tykot, Robert

“…The purpose of this paper is to contribute to dietary studies of Early-Middle Holocene Pampean hunter-gatherers, and to evaluate the intra-group dietary differences. Results from stable carbon isotope analysis of the organic and inorganic fractions of bone from 26 human remains from the sites Arroyo Seco 2 (Interserrana area) and Monte Hermoso 1 (Atlantic coast) are presented and discussed. …”
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