Results 31 to 40 of about 8,684 (117)

EL PALEOGENO EN MEXICO

open access: yesPublicación Electrónica de la Asociación Paleontológica Argentina, 2015
Las rocas sedimentarias del Paleógeno de México, ampliamente distribuidas en la Planicie Costera del Golfo de México, afloran en las proximidades de la Sierra Madre Oriental, así como escasamente, en la Provincia de Baja California, Coahulla y Chihuahua ...
María Antonieta Sánchez Ríos   +1 more
doaj  

Aspectos del yacimiento de caliza en la Hoya del cobre en el páramo de Sumapaz, al sur de Bogotá

open access: yesBoletín Geológico, 1953
De acuerdo con el deseo del Gobierno Nacional de integrar la región de Sumapaz a la economía capitalina, se están tomando medidas para darla a conocer más a fondo, sobre la base de un levantamiento aerofotogramétrico que depende de la utilización de ...
Roberto Wokittet
doaj   +1 more source

Emerging directions in tauopathy research

open access: yesAlzheimer's &Dementia, Volume 22, Issue 6, June 2026.
Abstract The Tau Global Conference 2025, hosted by the Alzheimer's Association, CurePSP, and the Rainwater Charitable Foundation, convened international experts from academia, industry, government, and philanthropy to explore advances and challenges in tauopathy research. The meeting highlighted progress across tau biology, including emerging models of
Luc Buée   +41 more
wiley   +1 more source

Yacimientos de mineral de hierro, de carbón y de caliza en Colombia, como base de la industria siderúrgica

open access: yesBoletín Geológico, 1953
Cumplida en las zonas templada y fría del interior de Colombia la primera etapa de evolución económica sobre la base agropecuaria, el país ha extendido sus actividades y ha abarcado la segunda fase, basada en la industria pesada en grande escala que se ...
Enrique Hubach
doaj   +1 more source

Lineamientos de política hidrocarburífera periodo 2021-2025

open access: yesFIGEMPA, 2022
El presente artículo forma parte de los Lineamientos de Política Hidrocarburífera que se propone implementar para el periodo 2021-2025 y hace referencia al Capítulo de Exploración y Desarrollo.
Luis Arauz-Jaramillo
doaj   +1 more source

Social vulnerability shapes deep clinical phenotypes and brain health in aging and dementia across Latin America

open access: yesAlzheimer's &Dementia, Volume 22, Issue 6, June 2026.
Abstract INTRODUCTION Adverse social conditions across the life course influence brain aging and dementia, yet their compounded impact on clinical phenotypes remains underexplored, particularly in Latin America, where social inequality and dementia burden are high.
Temitope Farombi   +36 more
wiley   +1 more source

La región metalífera de San Joaquín, municipio de Mercaderes, departamento de Cauca

open access: yesBoletín Geológico, 1953
Por disposición del Ministerio de Minas y Petróleos, el suscrito intervino en la práctica de diligencias de carácter especial en la region minera de la Esmeralda en el municipio de Mercaderes (Cauca).
Jesús Bueno
doaj   +1 more source

White matter hyperintensities are associated with locus coeruleus atrophy and astrocytic β2‐adrenergic receptor expression

open access: yesAlzheimer's &Dementia, Volume 22, Issue 6, June 2026.
Abstract INTRODUCTION White matter hyperintensities (WMHs) are a robust marker of brain aging and dementia risk, typically attributed to vascular pathology. However, impaired astrocytic support may also contribute. The locus coeruleus (LC), which degenerates early in aging and Alzheimer's disease, provides widespread noradrenergic projections that ...
Victor Vidal   +16 more
wiley   +1 more source

Exiled From Their Own Lands: Indigenist Policies, Oil, and Colonial Plunder in 20th Century Venezuela

open access: yesThe Journal of Latin American and Caribbean Anthropology, Volume 31, Issue 2, June 2026.
ABSTRACT This article examines the historical displacement of Indigenous peoples in Venezuela, focusing on the links between indigenist policies and the exploitation of natural resources, particularly oil, throughout the 20th century. Using a combined historical and ethnographic approach, it demonstrates how the formation of the Venezuelan nation‐state
Gabriel Tardelli
wiley   +1 more source

“Humanizar”: aprendizajes sobre alteridad, salud y futuro en una experiencia de investigación compartida

open access: yesThe Journal of Latin American and Caribbean Anthropology, Volume 31, Issue 2, June 2026.
ABSTRACT The visit to Bogotá of a fééeneminaa (Muinane) friend, Célimo Nejedeka Jifichíu, and in particular, his work in researching and transmitting traditional health knowledge, offer the pretext to navigate the relationship between elements that at first glance seem distant from each other: indigenous imaginaries about otherness, their visions of ...
Giovanna Micarelli
wiley   +1 more source

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