Results 21 to 30 of about 46,831 (156)

Crisis epilépticas en niños con síndrome de Dravet en condiciones de calor extremo: estudio cualitativo de la perspectiva de los progenitores

open access: yesDevelopmental Medicine &Child Neurology, EarlyView.
Resumen Objetivo Describir la experiencia de progenitores de niños y adolescentes con síndrome de Dravet en relación con el impacto de las olas de calor o las altas temperaturas ambientales en las crisis epilépticas de sus hijos, así como las estrategias de afrontamiento empleadas.
Angel Aledo‐Serrano   +8 more
wiley   +1 more source

Controversias en la recepción analítica de Metafísica IX 6 1048b18-35

open access: yesPensamiento. Revista de Investigación e Información Filosófica
Este trabajo examina los problemas contextual y terminológico del Pasaje aristotélico de Metafísica IX 6 1048b18-35, mediante el debate entre los principales interlocutores de la recepción analítica anglosajona.
Trinidad Avaria Decombe
doaj   +1 more source

Introduced dung beetles suppress methane emissions from cattle dung and alter the temporal dynamics of greenhouse gas flux Los escarabajos peloteros introducidos suprimen las emisiones de metano del estiércol de ganado y alteran la dinámica temporal del flujo de gases de efecto invernadero Besouros coprófagos introduzidos suprimem as emissões de metano do esterco bovino e alteram a dinâmica temporal do fluxo de gases de efeito estufa

open access: yesEcological Entomology, EarlyView.
Dung beetles suppressed cumulative methane flux from cattle dung by 85% and reduced total greenhouse gas emissions by 18%. Beetle activity accelerated initial CO2 release but did not alter total cumulative flux. N2O and NH3 fluxes were transient and not consistently driven by beetle presence.
Jean Holley   +2 more
wiley   +1 more source

EL IGF-II ESTIMULA LA ACTIVIDAD DE MMP-9 Y MMP-2 EN UN MODELO DE TROFOBLASTO HUMANO

open access: yesActa Biológica Colombiana, 2011
La invasión del útero por el trofoblasto extravelloso de placenta de primer trimestre depende de la secreción de metaloproteasas de matriz (MMPs) las cuales degradan la matriz extracelular; dentro de las cuales las gelatinasas MMP-9 y MMP-2 juegan un ...
Myriam Sánchez-Gómez   +1 more
doaj  

Subsistence hunting shapes the spatial variation of jaguar densities in community‐managed forests

open access: yesJournal of Zoology, EarlyView.
Jaguars and people can coexist in community‐managed forests, but distance matters. In Guatemala's Maya Biosphere Reserve, jaguar numbers increased markedly in areas harder to reach on foot, yet jaguars were still found near communities, showing that responsibly managed forests can support jaguar populations while allowing people to maintain traditional
L. Perera‐Romero   +5 more
wiley   +1 more source

Aspecto, "Aktionsart" y transitividad en español

open access: yesNueva Revista de Filología Hispánica, 2005
Este trabajo parte de la consideración de que el significado aspectual, particularmente en el caso del español, no deriva necesariamente de su expresión en la flexión verbal, sino del contexto general del enunciado.
Sergio Bogard
doaj   +1 more source

Pollinator efficiency, rather than bee decline, explains a shift to hummingbird pollination in tropical montane forests

open access: yesNew Phytologist, EarlyView.
Hummingbird pollination is a hallmark of American plant diversity and has long been thought to evolve in tropical mountains due to declining bee activity. Using sister species of Costus specialized on bees (C. kuntzei) and hummingbirds (C. wilsonii), we show that this shift is not driven by reduced bee visitation with elevation, but by greater ...
Pedro Juárez   +7 more
wiley   +1 more source

Structural lobbying power? An exploration of patterns in preference attainment at varying levels of lobbying activity

open access: yesPolicy Studies Journal, Volume 54, Issue 3, August 2026.
Abstract Studies of lobbying typically look at the extent to which interest groups realize political goals on issues they actively lobby for. Little is known, however, about the extent to which interest groups attain their political goals without making an active lobbying effort.
Marcel Hanegraaff   +2 more
wiley   +1 more source

Citizen‐Science Camera Trap Data Reveal Large‐Scale Activity Patterns of the Bobcat (Lynx rufus) Across Mexican Ecosystems

open access: yesEcology and Evolution, Volume 16, Issue 7, July 2026.
We evaluated whether citizen science–derived camera‐trap records can be used to characterize large‐scale activity patterns of a widely distributed mesocarnivore across heterogeneous landscapes. Using 821 independent iNaturalist records, we quantified activity across six major vegetation types in Mexico with kernel density estimation, circular ...
Luis A. Alanis‐Hernández   +6 more
wiley   +1 more source

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