Results 51 to 60 of about 364 (156)

Post‐flight assessment of the OSIRIS‐REx Sample Return Capsule (SRC) for organic and other potential contaminants

open access: yesMeteoritics &Planetary Science, EarlyView.
Abstract Regolith samples from the carbonaceous asteroid Bennu were stowed and delivered to Earth in the OSIRIS‐REx spacecraft's Sample Return Capsule (SRC). We applied multiple analytical techniques to study the components of the post‐flight SRC, with a focus on assessing the conditions and any contaminants to which the Bennu samples were exposed ...
Scott A. Sandford   +35 more
wiley   +1 more source

Abundance ratios in hierarchical galaxy formation [PDF]

open access: yesAstrophysics and Space Science, 1999
7 pages, 3 figures, accepted by ...
openaire   +5 more sources

Regulation by the Transcriptional Regulator YdcI in E. coli and (p)ppGpp‐Dependent Activation of ydcI Expression

open access: yesMolecular Microbiology, EarlyView.
YdcI, a LysR‐type transcription regulator in Escherichia coli, regulates loci like iraP and mqo. Its expression is induced by (p)ppGpp under stress conditions, and protein levels rise during mid‐exponential growth, connecting its role to stress response and metabolism control. ABSTRACT YdcI, a LysR‐type transcription regulator, has been associated with
Ria Basu Roy, Karin Schnetz
wiley   +1 more source

Ecological Filtering by Tuber Compartments Shapes Stable Core Microbiomes That Underpin Potato Plant Growth Across Environments

open access: yesPlant, Cell &Environment, EarlyView.
ABSTRACT Harnessing plant microbiomes for sustainable agriculture requires understanding not only whether they can boost crop performance, but also how ecological processes govern their assembly, stability, and functional contributions across environments.
Yizhu Qiao   +5 more
wiley   +1 more source

Simulations All the Way Up! An Atheist's Response to the Fine‐Tuning Argument

open access: yesAnalytic Philosophy, EarlyView.
ABSTRACT So the Fine‐tuning Argument goes, because it is so unlikely for the physical constants of the laws of nature to have taken the values that they in fact take, we should significantly raise our credence that God exists. Simulation Arguments argue that our world might be (or, in stronger versions, that it probably is) a mere computer simulation ...
Nikk Effingham
wiley   +1 more source

On Our Cosmic (In)significance

open access: yesRatio, EarlyView.
ABSTRACT This article discusses three interpretations of cosmic significance, all of which reveal something important about the notion of significance. Along the way, it proposes a unified view of significance by combining elements of each of the views.
Oskari Sivula
wiley   +1 more source

A 400‐Year Antarctic Ice‐Core Perchlorate Record Reveals Variability in Stratospheric Chlorine Chemistry

open access: yesGeophysical Research Letters, Volume 53, Issue 18, 28 September 2026.
Abstract Perchlorate (ClO4−) in polar ice preserves past chlorine oxidation chemistry; however, multi‐centennial Antarctic ClO4− records and the mechanisms controlling their variability remain poorly constrained. Here, we present the first 400‐year (1616−2016) ClO4− record from an Antarctic ice core, revealing two regimes separated around 1980.
Wenzhi Zhou   +6 more
wiley   +1 more source

Asking the 5 W's for designing next‐generation bioprocessing

open access: yesAIChE Journal, Volume 72, Issue 9, September 2026.
Abstract Biotechnology is expanding beyond traditional, centralized fermentation and toward next‐generation bioprocessing paradigms that emphasize flexible deployment outside the laboratory with application‐specific performance. However, many bioprocesses fail to translate beyond proof‐of‐concept into industrially viable systems because early design ...
Sangdo Yook   +4 more
wiley   +1 more source

Bacterial Lysis Observation Over Time Assay (BLOTS) for High‐Throughput Isolation, Sequencing, and Characterization of Bacteriophages

open access: yesCurrent Protocols, Volume 6, Issue 9, September 2026.
Abstract Phages remain severely under‐sampled, largely due to the limitations of current isolation methods, which are labor‐intensive, low‐throughput, and often restricted to a narrow set of bacterial hosts. To address this gap, we developed a robust and scalable field‐to‐genome workflow that leverages laboratory automation to screen environmental ...
Sean Jia Le Pang   +4 more
wiley   +1 more source

Variation in Bird Gut Microbiota Across Dietary Guilds and Migratory Strategies

open access: yesEcology and Evolution, Volume 16, Issue 9, September 2026.
This study analyzed the gut microbiota of birds from different ecological types in Nanning, Guangxi, and found that different dietary habits (omnivory, carnivory, and herbivory) and migratory strategies (migratory and resident) significantly altered the gut microbiota of birds, but migration did not increase the inter‐individual variability of gut ...
Wenjing Zhou   +7 more
wiley   +1 more source

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