American University

Cosmological Constraints from Full-scale Clustering and Galaxy–Galaxy Lensing with DESI DR1

Abstract We present constraints on cosmic structure growth from the analysis of galaxy clustering and galaxy–galaxy lensing with galaxies from the Dark Energy Spectroscopic Instrument (DESI) Data Release 1. Our analysis includes four samples drawn from the Bright Galaxy Survey (B...

Barrel Aging Gins: A Chemical and Kinetic Analysis of Flavor and Color Development

Abstract Barrel aging has long been used to alter the flavors of spirits. For gins, however, barrel aging is a relatively new process. While spirit aging has been studied in detail, the effect of barrels on the delicate flavors of gin and the balance of these flavors with those e...

Who votes when? Midterm and presidential voters differ primarily by age

Voters in American congressional midterm elections are widely viewed as demographically less representative than those in presidential elections – older, whiter, wealthier, and more educated. Using Current Population Survey data from 1994 through 2024 as well as voter-file data,...

Don’t touch my hair: colonial legacies, racialized marketing, and toxic lock-in in Black women’s health

Purpose This paper explains how racialized beauty markets have historically produced toxic harm for Black women within the context of the United States through the recursive interaction of marketing institutions and consumer practices across five historical eras, from colonial an...

Green hydrogen promotion in Cameroon: Implications for sustainable development

This paper argues that green hydrogen could be a driver of the technological transformation of a small open economy well integrated into the global energy market. Green hydrogen development is key to a sustainable transition of the economy. It can replace CO 2 -intensive technolo...

Precarious conditions of partnership sustainability: examining the factors that enabled a multi-school–university partnership to persist

Purpose This article illustrates how participants' continuous productive learning interactions within a multi-school–university partnership strengthened the organizations' enabling conditions, thereby sustaining the work amid threats to partnership funding. The partnership was de...

Paying for Pain: How Healthcare Costs Influence Physical Pain Predictions

ABSTRACT As healthcare costs continue to rise in the United States, consumers increasingly encounter financial burdens that impact their economic well‐being along with their psychological experiences surrounding medical care. This research examines how the pain of paying, a well‐...

Ethical and design considerations related to automated, confidential HIV testing invitations: insights from senders and recipients of SMS-based HIV testing invitations in Tanzania

Abstract Background Identifying individuals with undiagnosed HIV remains a global challenge. Mobile health (mHealth) approaches that leverage social networks hold potential to increase HIV testing uptake but also raise ethical considerations. Methods We conducted a qualitative st...

Non-ablative dermal remodeling lasers in acquired dermal macular hyperpigmentation: A scoping review

Background Acquired dermal macular hyperpigmentation (ADMH) encompasses a group of challenging pigmentary disorders characterized by dermal melanophages and variable lichenoid interface inflammation. Non-ablative dermal remodeling lasers (NADRL), which target water rather than me...

Examining the Role of Race and Sector of Employment in Public Participation

With the racial gap in political-electoral participation well established in the U.S., less is known about racial disparities in other forms of public engagement in governance. This study examines racial differences across nine distinct public participation strategies. It also in...

Exchange: What Can We Learn from Two Decades of Everyday Nationalism?

Abstract In their landmark article on nationalism in the everyday, Jon E. Fox and Cynthia Miller-Idriss (2008a, 537) set out an ambitious research agenda which endeavored to observe “the actual practices through which ordinary people engage and enact (and ignore and deflect) nati...

Cryptographically Secured Machine Learning for Resilient Multi-Tier Supply Chains

As we move further into a more digital supply chain, we have seen tremendous improvements in terms of efficiency, but we have also seen a rise in the risks that data vulnerabilities pose, particularly for intermediary supply chain nodes. As a result, traditional security measures...

Budget impact analysis for albuterol–budesonide fixed-dose combination in the as needed treatment of adult patients with asthma in Kuwait

INTRODUCTION: This study assessed the budget impact, from the perspective of the Kuwaiti healthcare payer, of introducing an as-needed fixed-dose combination of albuterol and budesonide (alb/bud-FDC) compared with albuterol alone and ICS-SABA for the management of asthma. METHODS...

Scientific Ideals Versus Action: American Scientists’ Perspectives on Communicating With Policymakers

Despite increased scholarly attention to scientists’ role in policymaking, little is known about how scientists perceive and enact that role. We examine American scientists’ perspectives on and engagement with policymakers, recruitment into these roles, and possible influences of...

Examining Motor Response Inhibition in Comorbid Trichotillomania and Attention‐Deficit/Hyperactivity Disorder

ABSTRACT Trichotillomania (TTM) has shown high rates of comorbidity with ADHD. While both disorders have been associated with some performance deficits on measures of motor response inhibition, findings on deficits in TTM have been mixed. Deficits previously found in TTM may be i...

Phylogenetic Evidence of Local HIV-1 Transmission and Antiretroviral Drug Resistance in the Middle East and North Africa

The molecular epidemiology and antiretroviral (ARV) drug resistance of human immunodeficiency virus type 1 (HIV-1) remain incompletely outlined in the Middle East and North Africa (MENA). The aim of this retrospective molecular epidemiology study was to analyze MENA HIV-1 sequenc...

Effects of a novel youth sexual and reproductive health programme in Zambia: An experimental study

Objective: Knowledge about sexual and reproductive health is often limited among adolescents in Zambia, and this limitation may have negative health effects. Although programmes have been developed to increase such knowledge, these programmes can sometimes be seen as being in con...

The Role of Older People Serving Life Sentences in Prison Culture, Order, and Informal Governance

This study seeks to examine the role of people serving life sentences in shaping prison culture, informal governance, and institutional stability. Although lifers constitute a growing share of the U.S. prison population (Nellis et al., 2026), research has not adequately accounted...

The Interactive Effects of Emotional Closeness, Positive Affect, and Perceived Positive Communication in Romantic Couples: A Daily Diary Study

ABSTRACT Research has suggested that independently and in combination, positive affect, emotional closeness, and perceived positive communication behaviors, are important to relationship satisfaction for adults in romantic relationships. The current study leveraged daily diary da...