Results 161 to 170 of about 251,619 (306)

The making of pure quartzose sand in continental interiors: Paraná River (Brazil and Argentina)

open access: yesSedimentology, EarlyView.
ABSTRACT As part of a comprehensive project on sedimentary processes in South America, this study focuses on sediment generation in the intracratonic Paraná Basin and monitors the evolution of sand composition along the Paraná River from central Brazil to the Río de la Plata estuary in Argentina.
Eduardo Garzanti   +5 more
wiley   +1 more source

Aid to Fight AIDS: An Empirical Analysis of HIV‐Specific Development Aid Effectiveness

open access: yesScottish Journal of Political Economy, EarlyView.
ABSTRACT Using an excludable instrument for HIV‐specific aid, we investigate its effectiveness on HIV outcomes viz., prevalence and death rates. We theorize that HIV‐specific aid fills the funding gap that prevents governments from committing adequate resources to effectively address the epidemic.
Derek Nolan   +1 more
wiley   +1 more source

[The silent impact of climate change on our mental health: Anxiety and stress in a changing world]. [PDF]

open access: yesAten Primaria
Torres Tejera ME   +3 more
europepmc   +1 more source

Weak Nuclear Divergence Despite Pronounced Mitochondrial Divergence Within a Widespread Desert‐Inhabiting Palearctic Lark (Aves: Alaudidae)

open access: yesZoologica Scripta, EarlyView.
ABSTRACT The Bar‐tailed Lark Ammomanes cinctura is a polytypic bird species with a wide distribution. One of its three subspecies, A. c. arenicolor, has previously been found to show deep mitochondrial divergence between its geographically most distant populations, from Morocco and Saudi Arabia, respectively.
Zongzhuang Liu   +9 more
wiley   +1 more source

[Planetary Health from a prevention and health promotion perspective]. [PDF]

open access: yesAten Primaria
Del Campo Giménez M   +4 more
europepmc   +1 more source

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