Results 171 to 180 of about 1,842,020 (300)

The Reflectance Distribution of Shallow Cumulus and Its Environs From High Spatial Resolution ASTER Images

open access: yesJournal of Geophysical Research: Atmospheres, Volume 131, Issue 3, 16 February 2026.
Abstract We investigate the 1D reflectance distribution of shallow cumulus as a function of cloud size, using high‐spatial‐resolution observations from the Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER). Reflectance transects through clouds are compared between Inner Mongolia and Tropical Ocean.
Mengqi Liu   +4 more
wiley   +1 more source

Fresh insights into the light‐induced pineal gland circadian rhythm transmission mechanism derived from mRNA and miRNA profiling

open access: yesAnimal Research and One Health, Volume 4, Issue 1, Page 36-54, February 2026.
Mechanisms of light in regulating the chick pineal clock. Abstract The circadian clock significantly impacts animal health and productivity, with light playing a crucial role in regulating circadian rhythms. However, the mechanisms behind light‐induced circadian transmission remain unclear, particularly in light‐sensitive avian species.
Yunlei Li   +10 more
wiley   +1 more source

L'Or: Twilight Zones Edition

open access: yes, 2021
The collection assembles, defines, and examines texts which can be labeled as "liminal texts". These texts deny a classification into traditional systems, genres, and forms valid around 1880 and continuing into the first decades of the 20th century where broadly effective innovations in the sciences, the arts, in politics and society took place in ...
openaire   +1 more source

Population Structure and Genetic Diversity Analyses Reveal Isolation That May Imperil the Northernmost Colony of the Endangered Australian Sea Lion

open access: yesEcology and Evolution, Volume 16, Issue 2, February 2026.
Rapid warming of marine environments is threatening ecosystems, especially species at the edge of their range. This study analysed the genetic structure and diversity of Australian sea lion populations and found the northernmost population to be highly isolated with extremely low genetic variation.
Vanessa Morris   +9 more
wiley   +1 more source

Regarding "Science in the Twilight Zone" (Fall 1998)

open access: yesIssues in Science and Technology Librarianship, 1999
Philip Barnett
doaj   +1 more source

Photic Niche Explains Avian Behavioral Responses to Solar Eclipses

open access: yesEcology and Evolution, Volume 16, Issue 2, February 2026.
Most bird species—except for those that are adapted for activity under dim conditions—were less likely to vocalize during the maximum of a total solar eclipse, whereas an annular eclipse reaching only 90% solar obscuration did not lead to behavioral effects. ABSTRACT Solar eclipses rapidly alter abiotic conditions and thus represent natural experiments
Neil A. Gilbert   +3 more
wiley   +1 more source

Living on the Edge: Juvenile Foraging and Adult Breeding Ecology of an Aerial Top Predator in Urban Environments

open access: yesEcology and Evolution, Volume 16, Issue 2, February 2026.
We analyzed a combination of GPS tracking data and nest‐monitoring data from an urban population of an opportunistic rodent specialist, the Common Buzzard (Buteo buteo), to analyze how raptors utilize urban landscapes. Buzzards occupied even extreme habitats such as residential areas for foraging and breeding and benefit from lucrative foraging ...
Marc Engler, Oliver Krone
wiley   +1 more source

Diversity of FAAL enzymes and prediction of their substrate specificity using FAALPred

open access: yesProtein Science, Volume 35, Issue 2, February 2026.
Abstract FAALs (fatty acyl‐AMP ligases) recruit and incorporate fatty acids during the biosynthesis of secondary metabolites. Their diversity, distribution, and substrate specificity remain poorly understood, which limits functional predictions from sequence data.
Anne Liong   +2 more
wiley   +1 more source

Distinct Cloud‐to‐Ground Lightning Properties in Frontal Versus Warm‐Sector Heavy Rainfall Events

open access: yesEarth and Space Science, Volume 13, Issue 2, February 2026.
Abstract Do systematic differences in cloud‐to‐ground (CG) lightning properties—particularly return stroke number and current intensity—exist across different thunderstorm types? This question is foundational not only to the atmospheric electricity but also to advancing lightning risk prediction, which crucially depends on a robust understanding of how
Xiaotian Wu   +6 more
wiley   +1 more source

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