Results 171 to 180 of about 749,250 (317)

Computed Tomographic Grading of Ear Diseases in Guinea Pigs (Cavia porcellus)

open access: yesVeterinary Radiology &Ultrasound, Volume 67, Issue 2, March 2026.
ABSTRACT Ear disease affecting the external and middle ears is a significant health concern in guinea pigs, which can be clinically silent and, if left untreated, can lead to severe and irreversible complications. Computed tomography (CT) is the primary imaging modality used to diagnose otitis in other species, particularly otitis media (OM).
Tara Brennan   +8 more
wiley   +1 more source

Corona Discharges Glow on Trees Under Thunderstorms

open access: yesGeophysical Research Letters, Volume 53, Issue 4, 28 February 2026.
Abstract Coronae, which are weak electrical discharges, have long been hypothesized to form on trees under thunderstorms, though never directly observed, characterized, or quantified. Using a newly developed instrument that measures ultraviolet emissions from coronae, the first direct observations and quantifications of coronae are presented for two ...
P. J. McFarland   +3 more
wiley   +1 more source

Observations and Modeling of the Longest‐Recorded Delayed Sprite

open access: yesGeophysical Research Letters, Volume 53, Issue 4, 28 February 2026.
Abstract Transient luminous events (TLEs), such as sprites, have been investigated via observations and simulations for decades. Recent TLE research has focused on effects leading to the delay of a sprite from its parent lightning flash. Here we investigate a sprite with by far the longest recorded delay to date, a delay of almost a full second (916.6 ±
Y. Yair   +10 more
wiley   +1 more source

On the Beam Characteristics of X‐Ray Bursts Observed in Rocket‐Triggered Lightning

open access: yesGeophysical Research Letters, Volume 53, Issue 4, 28 February 2026.
Abstract Employing the multi‐station Thunderstorm Energetic Radiation Observation System, we detected X‐ray bursts during two rocket‐triggered lightning events in 2024. By innovatively integrating optical imaging with three‐dimensional lightning channel reconstruction based on Distributed Acoustic Sensing (DAS), we analyzed the X‐ray emission ...
Yuan Wang   +12 more
wiley   +1 more source

Ice‐Nucleating Particle and Cloud Ice Crystal Concentrations Associated With Developing Summertime Deep Convective Clouds in South‐Western USA

open access: yesJournal of Geophysical Research: Atmospheres, Volume 131, Issue 3, 16 February 2026.
Abstract Ice‐nucleating particles (INPs), essential for initiating primary ice production in many mixed‐phase clouds, have only rarely been measured in air directly relevant for deep convective clouds. In July–August 2022 we used an aircraft to sample aerosol near developing deep convective clouds over Magdalena Mountain, New Mexico, USA.
Martin I. Daily   +14 more
wiley   +1 more source

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