Results 211 to 220 of about 1,701,901 (292)

Foraging plasticity and physiological adaptations enable hummingbirds to subsist on dilute nectars

open access: yesFunctional Ecology, Volume 40, Issue 5, Page 1475-1490, May 2026.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Hummingbirds frequently feed on small volumes (<30 μL) of sucrose‐rich nectars. Climate change is expected to affect both the abundance and the concentrations of accumulated nectar.
Rosalee L. Elting   +5 more
wiley   +1 more source

Sociología y cambio social

open access: yesReis, 1998
Francisco Herreros Vázquez   +1 more
openaire   +1 more source

BIEN: A biodiversity informatics ecosystem advancing open and reproducible workflows for plant observation, plot and trait data

open access: yesMethods in Ecology and Evolution, Volume 17, Issue 5, Page 1556-1584, May 2026.
Abstract The rapid expansion of biodiversity data presents new opportunities to understand and forecast biosphere dynamics. However, disparate and dispersed data, taxonomic and geographic inconsistencies, pervasive quality issues, and a lack of reproducable workflows hinder synthesis, introduce biases and limit accurate assessment of biodiversity ...
Brian J. Enquist   +38 more
wiley   +1 more source

Familia y cambio social

open access: yes, 1982
Es una ponencia dentro de un ciclo sobre la familia dirigido por Rosa Conde. Analiza la inserción del sistema reproductivo dentro del sistema social y el modo en que se transmite la desigualdad social en las etapas de planificación familiar, gestación, parto y atención post parto. Analiza también las encuestas de opinión disponibles
openaire   +1 more source

The 5‐year outcomes of a regional population‐based PSA information and testing programme

open access: yesBJU International, Volume 137, Issue 5, Page 877-885, May 2026.
Objectives To report descriptive outcomes including prostate‐specific antigen (PSA) testing, diagnostic activity and diagnostic outcomes during the initial 5 years of a regional mailed PSA information and testing programme. Subjects and Methods Between 2015 and 2019 a letter regarding the pros and cons of PSA testing was sent to all men in the Värmland
Henrik Ugge   +2 more
wiley   +1 more source

[The chalice, the harp, and primary healthcare]. [PDF]

open access: yesAten Primaria
Riera Armengol L   +2 more
europepmc   +1 more source

Online Risk Behaviours Among Adolescents: Identifying Areas of Digital Vulnerability

open access: yesChildren &Society, Volume 40, Issue 3, Page 474-488, May 2026.
ABSTRACT As a period during which they undergo important physical, emotional and social changes, adolescence is of great importance for minors. In addition, adolescence is an initial stage in terms of children's use of their own mobile devices and their first access to the internet and social networks, an activity that becomes a generalised habit in ...
Sonia Carcelén‐García   +2 more
wiley   +1 more source

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