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There has been much debate surrounding the way in which Ptolemy handled the observations that are behind his planetary models. This article aims at presenting an interesting case of manipulation of observational data wit...

Interleukin-10 (IL10) is an immune regulatory cytokine. Single nucleotide polymorphisms (SNPs) in IL10 promoter have been associated with prognosis in adult classical Hodgkin lymphoma (cHL). We analyzed IL10 SNPs −1082...

We report the first results of a shooting experiment performed with lithic point replicas of Fishtailpoints hafted as darts pursuing the aim to estimate the points’ use-lives and related size changesusing survival and ...

The little known geophilomorph centipede Chilenophilus corralinus (Attems, 1903) (Myriapoda: Chilopoda, Geophilidae), a large geophilid species from South America is herein redescribed and illustrated based on new specim...

This paper is about practices and perceptions regarding the study of adolescents from low-income sectors in the City of Buenos Aires. The methodology consisted of 26 in-depth interviews with low-income adolescents and pa...

This paper offers a critique on state formation theories used in the explanation of the rise of the biblical United Monarchy. The last three decades of archaeological and biblical research have shown that there is no fir...

Bacillus sp. AR03 have been described as an important producer of carbohydrate-active enzymes (CAZymes) when growing in a peptone-based medium supplemented with simple sugars and/or carboxymethyl cellulose (CMC) as carbo...

Morphology of the shell, radula, jaw, anatomy and sculpture of the inner wall of the reproductive system are described and compared for three species belonging to the Bostryx tortoranus species complex. On the basis of t...

En la Región Oriental del Paraguay se encuentran los humedales del Complejo Ypoá, declarados como sitio RAMSAR y categorizados como Reserva de Recursos Manejados. Pese a estas categorías de protección, su biodiversid...

The floral nectary of Bertholletia excelsa was studied through permanent, histological cross-sections. The flower showed two rings of androecial vascular bundles, the inner for the fertile stamens and the outer for the a...

Desde 2004 implementamos una investigación colaborativa basada en talleres participativos, para indagar acerca de la construcción de una cooperativa de recicladoras/es y la organización de su proceso de trabajo. Acomp...

We study the role of the State in education through the most significantgovernment periods in Argentina in the last 50 years. We use a socioculturalapproach, contemplating the historical development of educational polici...

Microvertebrates are a major component of many assemblages recovered from the Quaternary of the Argentine Pampas. The main goal of this paper is to analyse the taphonomic history of a Holocene microfossil bonebed, recove...

Although Dichroplus elongatus is a common grasshopper of wide distribution and economic importance in southern South America, contradictory information still existed regarding its voltinism. Through captive rearing of in...

Fur ranching has been a prosperous industry for decades. Despite its worldwide distribution, little published information is available regarding the importance of the various causes of death in chinchilla (Chinchilla lan...

The lithic assemblages recorded from shell middens along the northern coast of Santa Cruz, Argentine Patagonia, reveal some common trends. In general terms, abundant debris, and a few tools and cores have been identified...

Ilex paraguariensis Saint Hilaire (St. Hil) is an important crop in the north of Argentina, mainly cultivated in the Misiones province. Trichoderma genera are well known for their biological control and plant growth-prom...

Autophagy is a well-conserved process of self-digestion of intracellular components. T. cruzi is a protozoan parasite with a complex life-cycle that involves insect vectors and mammalian hosts. Like other eukaryotic orga...

Las palabras se mueven a través del tiempo y del espacio, ganando nuevos significados que dependen del contexto. En este artículo abordamos lo que el concepto de crisis significa hoy para los emigrantes latinoamericano...

Trichomycetes, mainly from nonbiting midge (Chironomidae), mosquito (Culicidae) and black fly (Simuliidae) larvae (Insecta: Diptera), are reported from diverse freshwater environments principally from previously unexplor...

The palynological characterization of 157 honey samples from three northwesternregions of Argentina (Prepuna, Yungas and Chaco) are presented todetermine their botanical origin and species associations to be able to defi...

Background: Retinoblastoma is a hereditary cancer of childhood caused by mutations in the RB1 tumor suppressor gene. An early diagnosis is critical for survival and eye preservation, thus identification of RB1 mutations ...

The Upper Miocene-Lower Pliocene Río Negro Formation (Río Negro Province, Argentina) contains diverse and abundant continental trace fossils. The purpose of this contribution is to recognize distinctive trace fossil as...

The interest in transition metal complexes as antitumor agents started in the 1960s with the serendipitous dis- covery of cisplatin. This drug was appr ov ed by the US FDA in the 1970s for its use as a chemotherapeutic a...