Results 31 to 40 of about 1,690,911 (305)
First steps towards assessing the evolutionary history and phylogeography of a widely distributed Neotropical grassland bird (Motacillidae: Anthus correndera) [PDF]
PeerJ, 2018 Grasslands in southern South America are extensive ecosystems which harbor a unique biodiversity; however, studies on the evolution of their taxa are scarce.
Heraldo V. Norambuena +3 more
doaj +2 more sources
Arts80 years of Chilean rock art research, from its early descriptive stages in the 1940s to the present-day integration of relational ontologies, archaeometric techniques, and interdisciplinary perspectives, is reviewed.
Daniela Valenzuela +3 more
doaj +1 more source
Quaternary, 2019 Here we present an overview of speleothem δ18O records from South America, most of which are available in the Speleothem Isotopes Synthesis and Analysis (SISAL_v1) database.
Michael Deininger +3 more
doaj +1 more source
The Wai Wai Indians of South America: history and genetics
Annals of Human Biology, 1996 Demographic medical and genetic information was obtained in a population of Carib-speaking Wai Wai Indians living in northern Brazil. At present mortality is low and fertility moderate, with a low variance in offspring number in completed families. Mobility is high, but about two-thirds of the unions are endogamic.
S M, Callegari-Jacques +6 more
openaire +2 more sources
Contrasting stress fields on correlating margins of the South Atlantic [PDF]
, 2015 The “passiveness” of passive continental margins across the globe is currently under debate since several studies have shown that these margins may experience a variety of stress states and undergo significant vertical movement post-breakup.
Glasmacher, Ulrich Anton +4 more
core +1 more source
UNASUR: Developments in the Defense Area [PDF]
, 2013 The article summarizes the last developments in South America towards a common defense area, referring to the history and origins of the Union of South American Nations (UNASUR).Fil: Gil, Luciana Victoria. Universidad de Buenos Aires; Argentina.
Gil, Luciana Victoria
core
The Political Economy of Early Chicano Historiography: The Case of Hubert H. Bancroft and Mariano G. Vallejo [PDF]
, 2007 This article compares the historiographic methods of two 19th century, California historians.. Mariano Vallejo, former Mexican military commander of Alta California, wrote his Recuerdos at the request of San Francisco-based, Anglo-American historian ...
Marissa K. López
core +1 more source
Dual targeting of RET and SRC synergizes in RET fusion‐positive cancer cells
Molecular Oncology, EarlyView.Despite the strong activity of selective RET tyrosine kinase inhibitors (TKIs), resistance of RET fusion‐positive (RET+) lung cancer and thyroid cancer frequently occurs and is mainly driven by RET‐independent bypass mechanisms. Son et al. show that SRC TKIs significantly inhibit PAK and AKT survival signaling and enhance the efficacy of RET TKIs in ...
Juhyeon Son +13 more
wiley +1 more source
Insecta, Coleoptera, Cerambycidae, Cerambycinae, Trachyderini: New state and country records from South America [PDF]
, 2010 Based on the revision of the collections of the Museu Nacional, Universidade Federal do Rio de Janeiro andthe National Museum of Natural History, Smithsonian Institution, the current work provides new localities for 32 speciesand two subspecies of ...
Botero R., J. P. +2 more
core +1 more source
Molecular Oncology, EarlyView.Generation of two normal and tumour (cancerous) paired human cell lines using an established tissue culture technique and their characterisation is described. Cell lines were characterised at cellular, protein, chromosome and gene expression levels and for HPV status.
Simon Broad +12 more
wiley +1 more source