Results 121 to 130 of about 2,970 (266)

A Volume-limited Sample of Ultracool Dwarfs. II. The Substellar Age and Mass Functions in the Solar Neighborhood

The Astrophysical Journal
We present the most precise constraints to date for the mass and age distributions of single ultracool dwarfs in the solar neighborhood, based on an updated volume-limited sample of 504 L, T, and Y dwarfs within 25 pc.
William M. J. Best, Aniket Sanghi, Michael C. Liu, Eugene A. Magnier, Trent J. Dupuy   +4 more
doaj   +1 more source

Variable grouping patterns in primates: A test of the better competitor hypothesis in male Verreaux's sifaka (Propithecus verreauxi)

The Anatomical Record, EarlyView.
Abstract Intraspecific variation in social organization (IVSO) within primate populations can arise due to male mating competition. Verreaux's sifaka (Propithecus verreauxi) populations exhibit both single‐male and multi‐male groups, providing an opportunity to examine the relationship between male competitive ability and social organization.
Lemeng Li, Stacey R. Tecot, Rebecca J. Lewis   +2 more
wiley   +1 more source

Discovery of a t dwarf plus white dwarf binary system

, 2011
27
Day-Jones, A. C., Pinfield, D. J., Ruiz González, María Teresa, Beaumont, H., Burningham, B., Gallardo, J., Gianninas, A., Bergeron, P., Napiwotzki, R., Jenkins, James Stewart, Zhang, Z. H., Murray, D. N., Catalán, S., Gomes, J.   +13 more
openaire   +5 more sources

Heat Stress in Quail: Impacts on Health and Productivity, and Mitigation Strategies

Animal Research and One Health, EarlyView.
Heat stress disrupts physiological homeostasis in quail, inducing oxidative stress, immune dysregulation, and metabolic imbalance, which impair growth, reproduction, product quality, and welfare. Integrating nutritional, environmental, and genetic–epigenetic strategies enhances thermotolerance, sustains productivity, and supports climate‐smart quail ...
T. A. Eletu, I. A. Anjola, L. O. Fasasi, D. P. Fadipe, A. T. Afuye, F. O. Fasanya, O. E. Oke   +6 more
wiley   +1 more source

On the Orbit of the Binary Brown Dwarf Companion GL229 Ba and Bb

The Astronomical Journal
The companion GL229B was recently resolved by Xuan et al. as a tight binary of two brown dwarfs (Ba and Bb) through VLTI-GRAVITY interferometry and Very Large Telescope-CRIRES+ radial velocity (RV) measurements.
William Thompson, Dori Blakely, Jerry W. Xuan, Alexandre Bouchard-Côté, Guillaume Bourdarot, Miguel Biron-Lattes, Trevor Campbell, Frank Eisenhauer, Thomas Henning, Markus Janson, Doug Johnstone, Jens Kammerer, Quinn Konopacky, Sylvestre Lacour, Christian Marois, Dimitri Mawet, Antoine Mérand, Jayke Samson Nguyen, Eric Nielsen, Emily Rickman, Jean-Baptiste Ruffio, Nikola Surjanovic, Jason J. Wang, Thomas Winterhalder   +23 more
doaj   +1 more source

Translateral and Transtibial Techniques Provide Similar Patient Outcomes in Arthroscopic Anterior Cruciate Ligament Reconstruction

Arthroscopy, Sports Medicine, and Rehabilitation, EarlyView.
Purpose To compare the outcomes of the transtibial technique (TT) and the translateral technique (TLL) for anterior cruciate ligament (ACL) reconstruction in an Asian population. Methods Patients who underwent either TT or TLL for ACL reconstruction between 2019 and 2021 were identified.
Joel Yat Seng Wong, Christian Hwee Yee Heng, Andrew Hwee Chye Tan   +2 more
wiley   +1 more source

Constraints on Remnant Planetary Systems as a Function of Main-sequence Mass with HST/COS

The Astrophysical Journal
As the descendants of stars with masses less than 8 M _⊙ on the main sequence, white dwarfs provide a unique way to constrain planetary occurrence around intermediate-mass stars (spectral types BAF) that are otherwise difficult to measure with radial ...
Lou Baya Ould Rouis, J. J. Hermes, Boris T. Gänsicke, Snehalata Sahu, Detlev Koester, P.-E. Tremblay, Dimitri Veras, Jay Farihi, Tyler M. Heintz, Nicola Pietro Gentile Fusillo, Seth Redfield   +10 more
doaj   +1 more source

Comparative evaluation of radiological anatomy knowledge and accuracy of ChatGPT‐5, Gemini 2.5, and Grok 4 across normal and thinking modes

Anatomical Sciences Education, EarlyView.
Workflow for comparing three LLMs in radiographic anatomical identification using 30 radiographs and 196 anatomy questions across Normal and Thinking modes, with expert scoring and temporal consistency analysis. Abstract This study compared the performance of three large language models, ChatGPT‐5 Plus, Gemini 2.5 Pro, and SuperGrok 4, in identifying ...
Ismail Sivri, Furkan Mehmet Ozden, Halit Celik, Ozgur Gokturk, Tuncay Colak   +4 more
wiley   +1 more source

The Sonora Substellar Atmosphere Models. IV. Elf Owl: Atmospheric Mixing and Chemical Disequilibrium with Varying Metallicity and C/O Ratios

The Astrophysical Journal
Disequilibrium chemistry due to vertical mixing in the atmospheres of many brown dwarfs and giant exoplanets is well established. Atmosphere models for these objects typically parameterize mixing with the highly uncertain K _zz diffusion parameter.
Sagnick Mukherjee, Jonathan J. Fortney, Caroline V. Morley, Natasha E. Batalha, Mark S. Marley, Theodora Karalidi, Channon Visscher, Roxana Lupu, Richard Freedman, Ehsan Gharib-Nezhad   +9 more
doaj   +1 more source

Essential work, invisible workers: The role of digital curation in COVID‐19 Open Science

Journal of the Association for Information Science and Technology, Volume 76, Issue 4, Page 703-717, April 2025.
Abstract In this paper, we examine the role digital curation practices and practitioners played in facilitating open science (OS) initiatives amid the COVID‐19 pandemic. In Summer 2023, we conducted a content analysis of available information regarding 50 OS initiatives that emerged—or substantially shifted their focus—between 2020 and 2022 to address ...
Irene V. Pasquetto, Amina A. Abdu, Natascha Chtena   +2 more
wiley   +1 more source