Results 1 to 10 of about 1,690,911 (305)
Genomic Insights into the Ancestry and Demographic History of South America. [PDF]
PLoS Genetics, 2015 South America has a complex demographic history shaped by multiple migration and admixture events in pre- and post-colonial times. Settled over 14,000 years ago by Native Americans, South America has experienced migrations of European and African ...
Julian R Homburger +12 more
doaj +5 more sources
Kinematics of the South Atlantic rift [PDF]
Solid Earth, 2013 The South Atlantic rift basin evolved as a branch of a large Jurassic–Cretaceous intraplate rift zone between the African and South American plates during the final break-up of western Gondwana. While the relative motions between South America and Africa
C. Heine, J. Zoethout, R. D. Müller
doaj +6 more sources
Atypical presentation of Lyme disease in a returning traveler: a case report [PDF]
Tropical Diseases, Travel Medicine and VaccinesLyme disease, caused by Borrelia burgdorferi and transmitted by Ixodes ticks, is rare in South America and is often misdiagnosed in returning travelers.
Andrea S. Salcedo +6 more
doaj +2 more sources
Five new malformed trilobites from Cambrian and Ordovician deposits from the Natural History Museum [PDF]
PeerJ, 2023 Injured trilobites present insight into how a completely extinct group of arthropods responded to traumatic experiences, such as failed predation and moulting complications.
Russell D.C. Bicknell, Patrick M. Smith
doaj +2 more sources
Open Archaeology, 2021 The archaeological site of the Domus Romana in Rabat, Malta was excavated almost 100 years ago yielding artefacts from the various phases of the site. The Melite Civitas Romana project was designed to investigate the domus, which may have been the home ...
Tanasi Davide +5 more
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Phylogeny and biogeography of the carnivorous plant family Sarraceniaceae. [PDF]
PLoS ONE, 2012 The carnivorous plant family Sarraceniaceae comprises three genera of wetland-inhabiting pitcher plants: Darlingtonia in the northwestern United States, Sarracenia in eastern North America, and Heliamphora in northern South America. Hypotheses concerning
Aaron M Ellison +6 more
doaj +1 more source
Cycling in South America, 1880-1920
Anuario Colombiano de Historia Social y de la Cultura, 2020 Historians have tended to ignore the South American experience of cycling. The continent’s diverse history of sports has been effaced by a popular and academic focus on soccer.
Matthew Brown
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Genetics and Molecular Biology, 2013 The puma is an iconic predator that ranges throughout the Americas, occupying diverse habitats. Previous phylogeographic analyses have revealed that it exhibits moderate levels of genetic structure across its range, with few of the classically recognized
Eunice M. Matte +7 more
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The first hominin from the early Pleistocene paleocave of Haasgat, South Africa [PDF]
PeerJ, 2016 Haasgat is a primate-rich fossil locality in the northeastern part of the Fossil Hominid Sites of South Africa UNESCO World Heritage Site. Here we report the first hominin identified from Haasgat, a partial maxillary molar (HGT 500), that was recovered ...
AB Leece +7 more
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Fossil and subfossil birds of Brazil [PDF]
Zoologia (Curitiba): The study of fossil and subfossil birds in Brazil is still in its early stages despite its relatively abundant material. The remains are represented by bones, feathers, mummified specimens, eggs, coprolites, pellets, and tracks found in all Regions of ...
Rafael S. Nascimento +1 more
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