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  • image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    Authors: Diniz, Mariana; Martins, Andrea; Neves, César; Arnaud, José Morais;

    Neste trabalho apresentam‑se os primeiros resultados do projecto de investigação “Vila Nova de São Pedro, de novo no 3º milénio”, da responsabilidade dos signatários, que procura, em diferentes vertentes, construir e divulgar um novo discurso para o sítio de Vila Nova de São Pedro, integrando‑o nos debates acerca das paisagens sociais do Calcolítico, que se desenrolam nos inícios do 3º milénio, a partir da revisão de dados de campo, da síntese da informação já produzida e do desenvolvimento de linhas de investigação com recurso a metodologias de análise multidisciplinares. Nos últimos anos, os modelos de povoamento desenhados para o calcolítico sofreram transformações profundas e o papel, distinto, que tem sido nos últimos tempos, atribuído aos grandes povoados fortificados exige a produção de informação, nova, acerca de territórios, recursos, mobilidades e identidades sociais que se pretendem construir para Vila Nova de São Pedro. This paper presents the first results of the research project “Vila Nova de São Pedro, again in the 3rd millennium", which seeks, in different ways, the construction of a new narrative for the Vila Nova de São Pedro archaeological site, and putting it in the scientific discussion about the Chalcolithic’s social landscapes, from the review of the fieldwork data, the synthesis of information already produced and the development of future research lines using multidisciplinary analysis methodologies. In the last years, the settlement patterns designed for the Chalcolithic have suffered a deep transformation and the distinct role that has been recently attributed to these large fortified settlements requires the production of new information about territories, resources, mobilities, and social identities that are intended to explain Vila Nova de São Pedro.

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      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ Universidade de Lisb...arrow_drop_down
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  • image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    Authors: Marado, Luís Miguel; Cunha, Cláudia; Scott, G. Richard; Tomé, Tiago; +2 Authors

    Les dents sont très importantes pour l’anthropologie physique. Un de ses uses est l’usure dentaire, qui peut documenter les comportements masticatoires et non-masticatoires. Les objectifs de ce travail sont 1) la présentation d’un protocole de registre des évidences d’activités non-masticatoires applicables à contextes diverses (notamment les enterrements collectifs mélangés), 2) la suggestion de outils d’interprétation et 3) l’use des méthodes simples, accessibles et rapides. Méthodes pour adresser les altérations orales, un nouvel trait – «cingular continuous lesions» (CCL) – et testes statistiques sont décrits. Cette méthodologie complément la connaissance archéologique de l’use dentaire en fonctions culturelles, rituelles et de travail. Teeth are a very important resource in Biological Anthropology. One of their many uses is the evaluation of dental wear, which can document both masticatory and non-masticatory behavior. The objectives of this work are to 1) present a protocol for scoring evidence of non-masticatory activity applicable to all kinds of contexts (including commingled collective burials), 2) suggest interpretation tools, and 3) use simple, time-saving and accessible procedures. Procedures addressing oral alterations, a new trait – cingular continuous lesions (CCL) – and statistical analysis are described. This method will complement archaeological knowledge on past populations’ cultural, ritual or work-related tooth uses.

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      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ Universidade de Lisb...arrow_drop_down
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  • image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    Authors: Westerhold, Thomas; Röhl, Ursula; Frederichs, Thomas; Bohaty, Steven M; +1 Authors

    To explore cause and consequences of past climate change, very accurate age models such as those provided by the astronomical timescale (ATS) are needed. Beyond 40 million years the accuracy of the ATS critically depends on the correctness of orbital models and radioisotopic dating techniques. Discrepancies in the age dating of sedimentary successions and the lack of suitable records spanning the middle Eocene have prevented development of a continuous astronomically calibrated geological timescale for the entire Cenozoic Era. We now solve this problem by constructing an independent astrochronological stratigraphy based on Earth's stable 405 kyr eccentricity cycle between 41 and 48 million years ago (Ma) with new data from deep-sea sedimentary sequences in the South Atlantic Ocean. This new link completes the Paleogene astronomical timescale and confirms the intercalibration of radioisotopic and astronomical dating methods back through the Paleocene-Eocene Thermal Maximum (PETM, 55.930 Ma) and the Cretaceous-Paleogene boundary (66.022 Ma). Coupling of the Paleogene 405 kyr cyclostratigraphic frameworks across the middle Eocene further paves the way for extending the ATS into the Mesozoic.

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    Authors: Vitkienė, Virginija;

    This article aims to examine the changes in concept, development and practices of community art in the Western culture from the end of 20th century to the beginning of 21st century, and based on theory of dialogical aesthetics by Grant H. Kester as well as using methodical examples of practicing artists, such as Jeanne van Heeswijk and the cultural association "Artway of Thinking" (Stefania Mantovani and Federica Thiene), evaluate cases of community art projects taking place in Lithuania, especially focusing on the initiatives of the creative project "Friendly Zone". The notion of Grant H. Kester's dialogical aesthetics as a dialogue-based socially-engaged creative practice helps to reveal forms and directions of socially-engaged art practices which are relevant today. Examining the project "Friendly Zone", which takes part in Šančiai (district of Kaunas, Lithuania), we can see a clear example of creative practice based on dialogical aesthetics with an ethical access to local inhabitants and their concerns. By working together with well-known community and socially-engaged art experts, Vita Gelūnienė and Edmund Carroll aim to apply methods of dialogical creativity: co-creative diagram of ""Artway of Thinking" dis¬plays four stages of activities. It starts with self-recognition and placement of each member of the team as well as naming their functions in collective practice. Later, the context (place) is explored and monitored. Then, ideas are generated and implemented, the results of which are integrated. The artists also use the principle of a "headquarter" from Jeanne van Heeswijk's practice, creating a certain meeting and dialogue-based point (house or inflatable tent) in public art projects. The text points out these advantages of the project: long-term effects and artists' residency in the area.[...] Straipsnyje siekiama problemiškai išskleisti bendruomeninių menų raidos, sampratos ir praktikų kaitą Vakarų kultūroje XX a. pabaigoje - XXI a. pradžioje ir, remiantis Granto H. Kesterio dialoginės estetikos teorija bei šioje srityje praktikuojančių menininkės Jeanne van Heeswijk bei kūrybinės grupės „Artway of Thinking" (Stefania Mantovani ir Federica Thiene) metodikų pavyzdžiu, įvertinti Lietuvoje vykstančius bendruomeninių menų atvejus, ypač projekto „Draugiška zona" kūrybinės grupės iniciatyvas. Kesterio dialoginės estetikos, kaip giluminio, dialogu ir kūrybiniu bendradarbiavimu grįstos meninės praktikos, samprata padeda atskleisti šiandien aktualias socialaus meno formas ir kryptis. Apibendrinant Šančių mikrorajone įgyvendinamą „Draugiškos zonos" projektą, galime įžvelgti ryškų dialoginės estetikos, besiremiančios etine prieiga prie vietos gyventojų ir jiems rūpimų klausimų, kūrybinę praktiką. Vita Gelūnienė ir Edmundas Carrollas, bendradarbiaudami su žymiais bendruomeninių ir socialinių menų ekspertais, siekia taikyti dialoginius kūrybos metodus: „Artway of Thinking" bendros kūrybos metodu grįstoje diagramoje išskleista keturių etapų veiklos schema, kurioje pradedama nuo komandos narių savižinos ir vietos bei funkcijų kolektyvinėje praktikoje paskirstymu, vėliau tyrinėjamas ir stebimas kontekstas (vieta), generuojamos idėjos, veikiama bei integruojami veiklos rezultatai. Menininkai taip pat naudoja iš Heeswijk praktikos atėjusį „štabo" principą, viešojo meno projektuose sukurdami konkrečią susitikimo ir dialogo praktikų vietą (namus arba pripučiamą palapinę). Išskiriami projekto privalumai: ilgalaikiškumas ir menininkų rezidavimas teritorijoje.[...]

    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ Vytautas Magnus Univ...arrow_drop_down
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    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
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      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ Vytautas Magnus Univ...arrow_drop_down
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      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
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  • image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    Authors: BioTM;

    Model to detect and classify relations in text, representing each entity of domain-specific ontologies as the sequence of its ancestors in the ontology. BO-LSTM is implemented as a recurrent neural network with long short-term memory units and using open biomedical ontologies.

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    bio.tools
    Software . 2019
    License: Apache-2.0
    Data sources: bio.tools
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      bio.tools
      Software . 2019
      License: Apache-2.0
      Data sources: bio.tools
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    Authors: Alonso-Garcia, Montserrat; Kleiven, Helga F; McManus, Jerry F; Moffa-Sanchez, Paola; +2 Authors

    Arctic freshwater discharges to the Labrador Sea from melting glaciers and sea-ice can have a deep impact on ocean circulation dynamics in the North Atlantic, modifying climate and deep water formation in this region. In this study, we present for the first time a high resolution record of ice-rafting in the Labrador Sea over the last millennium to assess the effects of freshwater discharges in this region on ocean circulation and climate. The occurrence of ice-rafted debris (IRD) in the Labrador Sea was studied using sediments from Site GS06-144-03 (57.29° N, 48.37° W, 3432 m water depth). IRD from the fraction 63-150 µm shows particularly high concentrations during the intervals: ~1000-1100, ~ 1150-1250, ~1400-1450, ~1650-1700 and ~1750-1800 yr AD. The first two intervals occurred during the Medieval Climate Anomaly (MCA), whereas the others took place within the Little Ice Age (LIA). Mineralogical identification indicates that the main IRD source during the MCA was SE Greenland. In contrast, the concentration and relative abundance of hematite-stained grains reflects an increase in the contribution of Arctic ice during the LIA. The comparison of our Labrador Sea IRD records with other climate proxies from the subpolar North Atlantic allowed us to propose a sequence of processes that led to the cooling that occurred during the LIA, particularly in the Northern Hemisphere. This study reveals that the warm climate of the MCA may have enhanced iceberg calving along the SE Greenland coast and, as a result, freshened the subpolar gyre (SPG). Consequently, SPG circulation switched to a weaker mode and reduced convection in the Labrador Sea, decreasing its contribution to the North Atlantic deep water formation and, thus, reducing the amount of heat transported to high latitudes. This situation of weak SPG circulation may have made the North Atlantic climate more unstable, inducing a state in which external forcings (e.g. reduced solar irradiance and volcanic eruptions) could easily drive periods of severe cold conditions in Europe and the North Atlantic like the LIA. This analysis indicates that a freshening of the SPG may play a crucial role in the development of cold events during the Holocene, which may be of key importance for predictions about future climate.

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    Authors: Arruda, Ana Margarida; Sousa, Elisa de; Dorado, Alberto;

    A cerâmica pintada de tipo Medellín, sendo rara no território actualmente português, encontra-se muito documentada em Santarém. Neste sítio do estuário do Tejo, registaram-se raros exemplares em níveis datados das últimas décadas do século VIII a.n.e., mas as taças hemisféricas com esta decoração são particularmente abundantes durante as duas centúrias seguintes, quando correspondem a 11% da cerâmica manual. Nos motivos, geométricos e vegetalistas, sobre-pintados sobre vermelho, utilizou-se a cor branca e amarela. As análises laboratoriais realizadas sobre estes vasos provaram que a grande maioria foi fabricada localmente, havendo, contudo, alguns fragmentos que podem ter sido importados. A cerâmica pintada de tipo Medellín de Santarém evidencia a profunda relação entre o estuário do Tejo e os territórios do Guadiana Médio e da Meseta Sul, relação que se iniciou no Bronze Final e que não se perde durante a 1ª Idade do Ferro. The Medellin style handmade wares, being rare in the Portuguese territory, are well documented in Santarém. In this site, located in the Tagus estuary, a few of these fragments were identified in levels dating from the last decades of the 8th century BCE, but the hemispherical cups with these painted decorations are particularly abundant during the VII and VI centuries, representing 11% of the hand made productions. Its motifs, geometric and vegetal, over-painted in red, had white and yellow tones. Laboratory analyzes made upon these vessels proved that the vast majority were locally manufactured, but there were some fragments that may have been imported. The Medellin style handmade wares of Santarém show the deep relation between the Tagus estuary and the innermost territories of the Middle Guadiana and the Southern Meseta, which began in the Late Bronze Age and was not lost during the Iron Age.

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  • image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    Authors: Abrantes, Fatima F; Rodrigues, Teresa; Rufino, Marta M; Salgueiro, Emilia; +6 Authors

    The Iberian Peninsula, at North Atlantic mid-latitude and the western extreme of the European continent, is a relevant area for climate reconstructions. This work provides multi-proxy records measured in 7 inner-shelf sediment sequences from 5 sites located between South Portugal (Algarve) and Northwest Spain (Galiza) (36 to 42 ºN) and targets a regional reconstruction of climate variability during the last 2,000 yr. Alkenone derived Sea Surface Temperature (SST) reconstructions were compared to on-land precipitation given by higher plant n-alkanes and pollen data, to assess the relationship between hydroclimate (drought and/or precipitation) and oceanic SST.

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    Authors: Schirrmacher, Julien; Weinelt, Mara; Blanz, Thomas; Andersen, Nils; +2 Authors

    To assess the regional multi-decadal to multi-centennial climate variability at the southern Iberian Peninsula during the mid- to late- Holocene transition multi-proxy records of two marine sediment cores were established for two sites in the Alboran Sea (ODP-161-976A) and the Gulf of Cadiz (GeoB5901-2). High-resolution records of organic geochemical proxies and planktic foraminiferal assemblages are used to decipher precipitation and vegetation changes as well as the sea surface conditions with respect to Sea Surface Temperature (SST) and marine primary productivity (MPP). n-Alkane records as a proxy for precipitation changes suggest a series of six distinct drought events at 5.4 ka BP, from ca. 5.1 ka BP to 4.9 ka BP, from 4.8 to 4.7 ka BP, at 4.6 ka BP, from 4.4 to 4.3 ka BP and, from 3.8 to 3.7 ka BP. Each drought event is associated with a major vegetation change towards higher proportions of C4 vegetation. The drought events are further accompanied by annual and spring/ winter SST warming as well as decreasing MPP in the Alboran Sea. Altogether, the close correlation of the observed droughts with North Atlantic Oscillation (NAO)-like variability suggests changes in the atmospheric circulation as important driving mechanism of terrestrial and oceanic variability at southern Iberia and the Alboran Sea, respectively. Sea surface variability in the Gulf of Cadiz, instead, is intimately linked to the North Atlantic Bond Events. In particular, during Bond Events 3 and 4 a pronounced increase in seasonality is found.

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    Authors: Cachola, Ana Cristina Pires;

    This research aims to examine representations of cultural identity in contemporary visual art produced by Portuguese artists in the period after the Carnation Revolution on 25 April 1974, with a particular focus on artists who began to exhibit their work on a regular basis from the first decade of the 21st century. As such, it seeks to analyse the way in which the artefacts produced by these artists both act as mediators and creators of a cultural identity that is negotiated and shared. It therefore presupposes various lines of intersection between the wide-ranging theoretical debate about issues of national identity and contemporary visual art, adopting an approach normally employed in Culture Studies in general, and Visual Culture Studies in particular. Representations of Portuguese cultural identity in art are considered in terms of three basic areas of analysis: examples of (re)mediation and (re)figuration of the Portuguese collective image which, in drawing upon historical, literary and art-related texts, place the sea at the centre of the shared identity of the Portuguese; a renewed look at various traumatic episodes from the country’s recent past, in particular the Estado Novo and the Colonial War, as fundamental features that are woven into the contemporary sense of identity; and Post-Colonialism as a byword and key concern when recasting the past into the present, forging links between cultural identity and the creation of a visuality that is informed by social relationships. Through a hermeneutic approach to specific works by six Portuguese artists – João Pedro Vale, Joana Vasconcelos, Maria Lusitano, Pedro Barateiro Vasco Araújo and Francisco Vidal – which are suggested as the mediators for an anterior visuality, or afterimages, it is argued that the construction of the Portuguese imaginary community is shaped by the dialectic relationship between pedagogy and the performance-related aspects of the narration – be it visual or otherwise – of the nation. It is also argued that the works that make up the body of the analysis form a seminal system of discourse in the process of creating a sense of culture and in the activation of mechanisms for celebrating, questioning and creating or dismantling Portuguese cultural identity. The text also seeks to discuss the areas of overlap between contemporary art and Culture Studies, pointing out the aspects that are unique to each field. A presente investigação tem como objectivo problematizar as representações da identidade cultural na arte contemporânea visual produzida por artistas portugueses no período pós-25 de Abril, com especial enfoque nos artistas que começam a expor regularmente a partir da primeira década do século XXI. Neste sentido, pretende-se analisar de que forma os artefactos produzidos por estes artistas são, simultaneamente, mediadores e produtores de uma identidade cultural negociada e partilhada. Este trabalho pressupõe, assim, o estabelecimento de linhas de intersecção entre o amplo debate teórico sobre questões identitárias de pertença nacional e a produção artística visual contemporânea, privilegiando-se uma abordagem no âmbito dos Estudos de Cultura, em geral, e dos Estudos de Cultura Visual, em particular. As representações da identidade cultural portuguesa nas produções artísticas serão observadas a partir de três eixos de análise fundamentais: as (re)mediações e (re)figurações do imaginário português, as quais, a partir de narrativas históricas, literárias e artísticas colocam o mar no centro da imaginação da portugalidade; a recuperação de episódios traumáticos do passado recente nacional, nomeadamente o Estado Novo e a Guerra Colonial, enquanto dimensões fundamentais da tessitura identitária contemporânea; e o pós-colonialismo como moto e tema da revisão do passado num presente que articula a identidade cultural com a produção de uma visualidade constitutiva de relações sociais. Através de uma aproximação hermenêutica a obras concretas de seis artistas portugueses – João Pedro Vale, Joana Vasconcelos, Maria Lusitano, Pedro Barateiro Vasco Araújo e Francisco Vidal – que se insinuam como mediações de uma visualidade anterior, – pós-imagens –, defender-se-á que a construção da comunidade imaginada portuguesa se configura pela relação dialéctica entre a pedagogia e a performatividade da narração, também visual, da nação. Defender-se-á, igualmente, que as obras que constituem o corpus de análise se assumem enquanto sistema discursivo seminal nos processos de produção de sentido cultural e na activação de mecanismos de celebração, interrogação e construção/desconstrução de uma identidade cultural portuguesa. Procurarse- á, ainda, discutir a coincidência de agenda entre a arte contemporânea e os Estudos de Cultura, ressalvando a singularidade de cada um dos territórios.

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  • image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    Authors: Diniz, Mariana; Martins, Andrea; Neves, César; Arnaud, José Morais;

    Neste trabalho apresentam‑se os primeiros resultados do projecto de investigação “Vila Nova de São Pedro, de novo no 3º milénio”, da responsabilidade dos signatários, que procura, em diferentes vertentes, construir e divulgar um novo discurso para o sítio de Vila Nova de São Pedro, integrando‑o nos debates acerca das paisagens sociais do Calcolítico, que se desenrolam nos inícios do 3º milénio, a partir da revisão de dados de campo, da síntese da informação já produzida e do desenvolvimento de linhas de investigação com recurso a metodologias de análise multidisciplinares. Nos últimos anos, os modelos de povoamento desenhados para o calcolítico sofreram transformações profundas e o papel, distinto, que tem sido nos últimos tempos, atribuído aos grandes povoados fortificados exige a produção de informação, nova, acerca de territórios, recursos, mobilidades e identidades sociais que se pretendem construir para Vila Nova de São Pedro. This paper presents the first results of the research project “Vila Nova de São Pedro, again in the 3rd millennium", which seeks, in different ways, the construction of a new narrative for the Vila Nova de São Pedro archaeological site, and putting it in the scientific discussion about the Chalcolithic’s social landscapes, from the review of the fieldwork data, the synthesis of information already produced and the development of future research lines using multidisciplinary analysis methodologies. In the last years, the settlement patterns designed for the Chalcolithic have suffered a deep transformation and the distinct role that has been recently attributed to these large fortified settlements requires the production of new information about territories, resources, mobilities, and social identities that are intended to explain Vila Nova de São Pedro.

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  • image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    Authors: Marado, Luís Miguel; Cunha, Cláudia; Scott, G. Richard; Tomé, Tiago; +2 Authors

    Les dents sont très importantes pour l’anthropologie physique. Un de ses uses est l’usure dentaire, qui peut documenter les comportements masticatoires et non-masticatoires. Les objectifs de ce travail sont 1) la présentation d’un protocole de registre des évidences d’activités non-masticatoires applicables à contextes diverses (notamment les enterrements collectifs mélangés), 2) la suggestion de outils d’interprétation et 3) l’use des méthodes simples, accessibles et rapides. Méthodes pour adresser les altérations orales, un nouvel trait – «cingular continuous lesions» (CCL) – et testes statistiques sont décrits. Cette méthodologie complément la connaissance archéologique de l’use dentaire en fonctions culturelles, rituelles et de travail. Teeth are a very important resource in Biological Anthropology. One of their many uses is the evaluation of dental wear, which can document both masticatory and non-masticatory behavior. The objectives of this work are to 1) present a protocol for scoring evidence of non-masticatory activity applicable to all kinds of contexts (including commingled collective burials), 2) suggest interpretation tools, and 3) use simple, time-saving and accessible procedures. Procedures addressing oral alterations, a new trait – cingular continuous lesions (CCL) – and statistical analysis are described. This method will complement archaeological knowledge on past populations’ cultural, ritual or work-related tooth uses.

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  • image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    Authors: Westerhold, Thomas; Röhl, Ursula; Frederichs, Thomas; Bohaty, Steven M; +1 Authors

    To explore cause and consequences of past climate change, very accurate age models such as those provided by the astronomical timescale (ATS) are needed. Beyond 40 million years the accuracy of the ATS critically depends on the correctness of orbital models and radioisotopic dating techniques. Discrepancies in the age dating of sedimentary successions and the lack of suitable records spanning the middle Eocene have prevented development of a continuous astronomically calibrated geological timescale for the entire Cenozoic Era. We now solve this problem by constructing an independent astrochronological stratigraphy based on Earth's stable 405 kyr eccentricity cycle between 41 and 48 million years ago (Ma) with new data from deep-sea sedimentary sequences in the South Atlantic Ocean. This new link completes the Paleogene astronomical timescale and confirms the intercalibration of radioisotopic and astronomical dating methods back through the Paleocene-Eocene Thermal Maximum (PETM, 55.930 Ma) and the Cretaceous-Paleogene boundary (66.022 Ma). Coupling of the Paleogene 405 kyr cyclostratigraphic frameworks across the middle Eocene further paves the way for extending the ATS into the Mesozoic.

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    Authors: Vitkienė, Virginija;

    This article aims to examine the changes in concept, development and practices of community art in the Western culture from the end of 20th century to the beginning of 21st century, and based on theory of dialogical aesthetics by Grant H. Kester as well as using methodical examples of practicing artists, such as Jeanne van Heeswijk and the cultural association "Artway of Thinking" (Stefania Mantovani and Federica Thiene), evaluate cases of community art projects taking place in Lithuania, especially focusing on the initiatives of the creative project "Friendly Zone". The notion of Grant H. Kester's dialogical aesthetics as a dialogue-based socially-engaged creative practice helps to reveal forms and directions of socially-engaged art practices which are relevant today. Examining the project "Friendly Zone", which takes part in Šančiai (district of Kaunas, Lithuania), we can see a clear example of creative practice based on dialogical aesthetics with an ethical access to local inhabitants and their concerns. By working together with well-known community and socially-engaged art experts, Vita Gelūnienė and Edmund Carroll aim to apply methods of dialogical creativity: co-creative diagram of ""Artway of Thinking" dis¬plays four stages of activities. It starts with self-recognition and placement of each member of the team as well as naming their functions in collective practice. Later, the context (place) is explored and monitored. Then, ideas are generated and implemented, the results of which are integrated. The artists also use the principle of a "headquarter" from Jeanne van Heeswijk's practice, creating a certain meeting and dialogue-based point (house or inflatable tent) in public art projects. The text points out these advantages of the project: long-term effects and artists' residency in the area.[...] Straipsnyje siekiama problemiškai išskleisti bendruomeninių menų raidos, sampratos ir praktikų kaitą Vakarų kultūroje XX a. pabaigoje - XXI a. pradžioje ir, remiantis Granto H. Kesterio dialoginės estetikos teorija bei šioje srityje praktikuojančių menininkės Jeanne van Heeswijk bei kūrybinės grupės „Artway of Thinking" (Stefania Mantovani ir Federica Thiene) metodikų pavyzdžiu, įvertinti Lietuvoje vykstančius bendruomeninių menų atvejus, ypač projekto „Draugiška zona" kūrybinės grupės iniciatyvas. Kesterio dialoginės estetikos, kaip giluminio, dialogu ir kūrybiniu bendradarbiavimu grįstos meninės praktikos, samprata padeda atskleisti šiandien aktualias socialaus meno formas ir kryptis. Apibendrinant Šančių mikrorajone įgyvendinamą „Draugiškos zonos" projektą, galime įžvelgti ryškų dialoginės estetikos, besiremiančios etine prieiga prie vietos gyventojų ir jiems rūpimų klausimų, kūrybinę praktiką. Vita Gelūnienė ir Edmundas Carrollas, bendradarbiaudami su žymiais bendruomeninių ir socialinių menų ekspertais, siekia taikyti dialoginius kūrybos metodus: „Artway of Thinking" bendros kūrybos metodu grįstoje diagramoje išskleista keturių etapų veiklos schema, kurioje pradedama nuo komandos narių savižinos ir vietos bei funkcijų kolektyvinėje praktikoje paskirstymu, vėliau tyrinėjamas ir stebimas kontekstas (vieta), generuojamos idėjos, veikiama bei integruojami veiklos rezultatai. Menininkai taip pat naudoja iš Heeswijk praktikos atėjusį „štabo" principą, viešojo meno projektuose sukurdami konkrečią susitikimo ir dialogo praktikų vietą (namus arba pripučiamą palapinę). Išskiriami projekto privalumai: ilgalaikiškumas ir menininkų rezidavimas teritorijoje.[...]

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    Authors: BioTM;

    Model to detect and classify relations in text, representing each entity of domain-specific ontologies as the sequence of its ancestors in the ontology. BO-LSTM is implemented as a recurrent neural network with long short-term memory units and using open biomedical ontologies.

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    bio.tools
    Software . 2019
    License: Apache-2.0
    Data sources: bio.tools
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      bio.tools
      Software . 2019
      License: Apache-2.0
      Data sources: bio.tools
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    Authors: Alonso-Garcia, Montserrat; Kleiven, Helga F; McManus, Jerry F; Moffa-Sanchez, Paola; +2 Authors

    Arctic freshwater discharges to the Labrador Sea from melting glaciers and sea-ice can have a deep impact on ocean circulation dynamics in the North Atlantic, modifying climate and deep water formation in this region. In this study, we present for the first time a high resolution record of ice-rafting in the Labrador Sea over the last millennium to assess the effects of freshwater discharges in this region on ocean circulation and climate. The occurrence of ice-rafted debris (IRD) in the Labrador Sea was studied using sediments from Site GS06-144-03 (57.29° N, 48.37° W, 3432 m water depth). IRD from the fraction 63-150 µm shows particularly high concentrations during the intervals: ~1000-1100, ~ 1150-1250, ~1400-1450, ~1650-1700 and ~1750-1800 yr AD. The first two intervals occurred during the Medieval Climate Anomaly (MCA), whereas the others took place within the Little Ice Age (LIA). Mineralogical identification indicates that the main IRD source during the MCA was SE Greenland. In contrast, the concentration and relative abundance of hematite-stained grains reflects an increase in the contribution of Arctic ice during the LIA. The comparison of our Labrador Sea IRD records with other climate proxies from the subpolar North Atlantic allowed us to propose a sequence of processes that led to the cooling that occurred during the LIA, particularly in the Northern Hemisphere. This study reveals that the warm climate of the MCA may have enhanced iceberg calving along the SE Greenland coast and, as a result, freshened the subpolar gyre (SPG). Consequently, SPG circulation switched to a weaker mode and reduced convection in the Labrador Sea, decreasing its contribution to the North Atlantic deep water formation and, thus, reducing the amount of heat transported to high latitudes. This situation of weak SPG circulation may have made the North Atlantic climate more unstable, inducing a state in which external forcings (e.g. reduced solar irradiance and volcanic eruptions) could easily drive periods of severe cold conditions in Europe and the North Atlantic like the LIA. This analysis indicates that a freshening of the SPG may play a crucial role in the development of cold events during the Holocene, which may be of key importance for predictions about future climate.

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    Authors: Arruda, Ana Margarida; Sousa, Elisa de; Dorado, Alberto;

    handle: