Results 41 to 50 of about 453,157 (220)

Afrodescendants, Law, and Race in Latin America [PDF]

open access: yes, 2019
Law and Society research in and about Latin America has been particularly beneficial in elucidating the gap between the ideals of racial equality laws in the region and the actual subordinated status of its racialized subjects.
Hernandez, Tanya K.
core   +2 more sources

Origin and Biogeography of the Colourful Sap‐Sucking Sea Slugs Genus Thuridilla Bergh, 1872 (Mollusca, Gastropoda, Heterobranchia)

open access: yesJournal of Biogeography, Volume 52, Issue 10, October 2025.
ABSTRACT Aim Thuridilla Bergh, 1872, is a lineage of herbivorous sea slugs externally distinguished by bright colours and distinctive patterns of lines and spots. Recent work revealed an exceptionally rapid, cryptic radiation of 13 species in the Indo‐Pacific, raising questions about mechanisms of speciation in this group.
M. Rosario Martín‐Hervás   +5 more
wiley   +1 more source

Portadilla de la sección: Santa Librada. Una mujer sacrificada

open access: yesMaguaré, 2010
Esta imagen forma parte de la exposición Itinerante “Historia Natural de Colombia”, coordinada por Óscar Iván Calvo de la Universidad de Antioquia y Andrés Ríos de la Universidad Nacional Autónoma de México, a quienes se une el Centro de Pensamiento ...
Carlos José Echeverría Cuadrado
doaj   +4 more sources

Exordio conclusivo: de la responsabilidad internacional y la protección ambiental [PDF]

open access: yes, 2018
7 p.La Constitución Política es la norma fundante, la ley superior de un Estado, y a partir de ella se consagran principalmente derechos, libertades y principios organizacionales del Estado.
Cubides-Cárdenas, Jaime   +2 more
core  

Registros paleógenos de glyptodontidae propalaehoplophorinae (xenarthra, cingulata) en áreas extrapatagónicas [PDF]

open access: yes, 2016
Los registros paleógenos de Cingulata Glyptodontidae son muy escasos y los mejores conocidos provienen de la actual región patagónica de Argentina. Dos subfamilias han sido descritas: Glyptatelinae y Propalaehoplophorinae.
Cuaranta, Pedro   +5 more
core   +3 more sources

Oxygen Isotopes as a Key Proxy of Equatorial Pacific SST Variability in a Multiparametric Tree‐Ring Approach in the Low‐Latitude Andes

open access: yesPaleoceanography and Paleoclimatology, Volume 40, Issue 9, September 2025.
Abstract Sea surface temperature (SST) variability in the equatorial Pacific plays a crucial role in shaping global climate patterns. As El Niño–Southern Oscillation (ENSO)‐related extremes intensify, understanding SST fluctuations and their connection to ENSO becomes increasingly important.
C. Rodríguez‐Morata   +6 more
wiley   +1 more source

High extinction risk of the endemic tree flora in a hyper‐diverse region of the Amazon

open access: yesPLANTS, PEOPLE, PLANET, Volume 7, Issue 4, Page 998-1010, July 2025.
The rapid global loss of biodiversity, especially in the Neotropics, underscores the need to understand how deforestation impacts endemic plant species' extinction risk and conservation status. Due to limited ranges and habitat specialization, endemics are particularly Vulnerable.
Juan Ernesto Guevara‐Andino   +2 more
wiley   +1 more source

Posibles usos de la historia de las matemáticas en la educación en matemáticas y en la formación de profesores de matemáticas [PDF]

open access: yes, 2015
La historia de las Matemáticas (HM) como recurso para la enseñanza tiene detractores (ver por ejemplo Siu, 2007) y partidarios (Arcavi, Furingetti, González, Boero, Siu, entre otros), los autores de esta comunicación se encuentran entre los segundos, así
Erazo, John Fredy, Mora, Lyda Constanza
core  

Phylogenomic approach to integrative taxonomy resolves a century‐old taxonomic puzzle and the evolutionary history of the Acromyrmex octospinosus species complex

open access: yesSystematic Entomology, Volume 50, Issue 3, Page 469-494, July 2025.
A comprehensive, integrative study approach combining morphology, population genetics, phylogenetics and biogeography revealed that the Acromyrmex octospinosus species complex consists of two species: A. octospinosus and its social parasite A. insinuator.
Daniela Mera‐Rodríguez   +2 more
wiley   +1 more source

Political Inequality and the Origins of Distrust: Evidence for Colombia [PDF]

open access: yes, 2013
This paper aims to identify the effect of political exclusion on social capital in Colombia, suggesting social capital as an important channel through which political inequality has been central for Colombian economic development.
Alvarez Villa, Daphne
core   +2 more sources

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