Results 21 to 30 of about 8,580 (221)

Characterization of Particle Size Distributions and Water-Soluble Ions in Particulate Matter Measured at a Broiler Farm

Agriculture, 2023
The chemical composition and size distribution of particulate matter produced at broiler poultry houses is not well understood, so this is a novel study to understand the particulate size distributions at a poultry house as well as the ionic composition ...
Philip J. Silva, Tanner Cress, Ryan Drover, Cara Michael, Gregory Docekal, Pierce Larkin, Antonio Godoy, Devin A. Cavero, Crystal Sin, Janise Waites, Rezaul Mahmood, Martin Cohron, Kathleen L. Purvis-Roberts   +12 more
doaj   +1 more source

Patterns of participation in summer programming among United States’ elementary children from low-income urban households: Results from the project SWEAT study

Preventive Medicine Reports, 2023
Food insecurity increases among marginalized children during the summer when school is out of session. Summer programming that offers access to healthy meals and snacks may reduce the risk.
Laura Hopkins, Heather Schier, Leah May, Miranda Westrick, Devin O'Piela, Bernadette Mazurek Melnyk, Laureen Smith, Carolyn Gunther   +7 more
doaj   +1 more source

Transcriptome analysis uncovers Arabidopsis F-BOX STRESS INDUCED 1 as a regulator of jasmonic acid and abscisic acid stress gene expression

BMC Genomics, 2017
Background The ubiquitin 26S proteasome system (UPS) selectively degrades cellular proteins, which results in physiological changes to eukaryotic cells.
Lauren E. Gonzalez, Kristen Keller, Karen X. Chan, Megan M. Gessel, Bryan C. Thines   +4 more
doaj   +1 more source

Impact of the COVID-19 Pandemic Lockdown on Air Pollution in 20 Major Cities around the World

Atmosphere, 2020
In order to fight against the spread of COVID-19, the most hard-hit countries in the spring of 2020 implemented different lockdown strategies. To assess the impact of the COVID-19 pandemic lockdown on air quality worldwide, Air Quality Index (AQI) data ...
Franck Fu, Kathleen L. Purvis-Roberts, Branwen Williams   +2 more
doaj   +1 more source

How Well Can We Infer Selection Benefits and Mutation Rates from Allele Frequencies?

Entropy, 2023
Experimentalists observe allele frequency distributions and try to infer mutation rates and selection coefficients. How easy is this? We calculate limits to their ability in the context of the Wright-Fisher model by first finding the maximal amount of ...
Jonathan Soriano, Sarah Marzen
doaj   +1 more source

Labor Market Discrimination: Vietnamese Immigrants

Journal of Southeast Asian American Education and Advancement, 2012
Vietnamese and East European immigrants face similar obstacles in the US labor market. This provides for an interesting test of racial discrimination in the labor market. Does it make any difference if an immigrant is Asian or White?
Linus Yamane
doaj   +1 more source

Altruistic Atheists

Secularism and Nonreligion
How and why do individuals who do not believe in God, and were raised by nonbelieving parents, and grew up in majority nonbelieving societies engage in prosocial, altruistic behavior?
Phil Zuckerman, Sophie Myers
doaj   +1 more source

Clarifying the quantum mechanical origin of the covalent chemical bond

Nature Communications, 2020
The origin of the covalent H–H bond is understood to be driven by kinetic energy lowering. Here the authors show this is not the case for bonds between heavier elements likely due to the presence of core electrons, and that constructive quantum ...
Daniel S. Levine, Martin Head-Gordon
doaj   +1 more source

Enacting Environmental Justice Through the Undergraduate Classroom: The Transformative Potential of Community Engaged Partnerships

Journal of Community Engagement and Scholarship, 2022
In this paper, we document our efforts, as activist scholars, to cultivate among our liberal arts students a critical environmental justice consciousness through engaging with community organizations.
Gwen D’Arcangelis, Brinda Sarathy
doaj   +1 more source

Spermatogenesis in haploid males of the jewel wasp Nasonia vitripennis

Scientific Reports, 2019
Males of hymenopteran insects, which include ants, bees and wasps, develop as haploids from unfertilized eggs. In order to accommodate their lack of homologous chromosome pairs, some hymenopterans such as the honeybee have been shown to produce haploid ...
Patrick M. Ferree, John C. Aldrich, Xueyuan A. Jing, Christopher T. Norwood, Mary R. Van Schaick, Manjinder S. Cheema, Juan Ausió, Brent E. Gowen   +7 more
doaj   +1 more source