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Clear as mud redefined: Tunable transparent mineral scaffolds for visualizing microbial processes below ground
Laura Quinn and others
Microbes inhabiting complex porous microenvironments in sediments and aquifers catalyze reactions that are critical to global biogeochemical cycles and ecosystem health. However, the opacity and complexity of porous sediment and rock matrices have considerably hindered the study of microbial ...
Epigenetic biomarkers of socioeconomic status are associated with age-related chronic diseases and mortality in older adults
Lauren L Schmitz and others
Later-life health is patterned by socioeconomic influences across the lifecourse. However, the pathways underlying the biological embedding of socioeconomic status (SES) and its consequences on downstream morbidity and mortality are not fully understood. Epigenetic markers like DNA methylation ...
Speciation with gene flow in an island endemic hummingbird
Caroline Duffie Judy and others
We examined speciation in streamertail hummingbirds ( Trochilus polytmus and Trochilus scitulus ), Jamaican endemic taxa that challenge the rule that bird speciation cannot progress in situ on small islands. Our analysis shows that divergent selection acting on male bill color, a sexual ornament ...
Preserving coastal environments requires an integrated natural and cultural resources management approach
Jayur Madhusudan Mehta and others
Integration of natural and cultural resource management is urgently needed to combat the effects of climate change. Scientists must contend with how human-induced climate change and rapid population expansion are fundamentally reworking densely inhabited coastal zones. We propose that a merger of ...
Wearable facemask-attached disposable printed sensor arrays for point-of-need monitoring of ammonia in breath
Giandrin Barandun and others
Blood sampling, despite its historical significance in clinical diagnostics, poses challenges such as invasiveness, infection risks, and limited temporal fidelity for continuous monitoring. In contrast, exhaled breath offers a non-invasive, pain-free, and continuous sampling method, carrying ...
Splash-free urinals for global sustainability and accessibility: Design through physics and differential equations
Kaveeshan Thurairajah and others
Urinals are a staple of public spaces yet their designs have remained essentially stagnant for over a century. The use of urinals often results in significant splatter (splashback) as urine splashes upon impact with the urinal generating droplets which travel back onto the floor and user, which ...
Raman investigation of in vivo radiation exposure on melanin in murine hair
Monika Poonia and others
Determining the effects of ionizing radiation from unintended exposure in a nuclear event requires the identification of relevant biomarkers and development methods to retrospectively estimate the absorbed dose. Melanin, a biologically important natural pigment found in hair, shows promise as a ...
Adverse reactions to the use of large language models in social interactions
Fabian Dvorak and others
Large language models (LLMs) are poised to reshape the way individuals communicate and interact. While this form of AI has the potential to efficiently make many human decisions, there is limited understanding of how individuals will respond to its use in social interactions. In particular, it ...

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Introducing PNAS Nexus

Shaping PNAS Nexus: Editor-in-Chief Yannis C. Yortsos

Listen to PNAS Nexus Editor-in-Chief Yannis C. Yortsos’ views on 

•    the interdisciplinary nature of modern research,

•    the inclusive nature of PNAS Nexus,

•    the importance of peer review,

•    balancing technological advancement against potential consequences.

Read an editorial outlining Yortsos' vision for the journal

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Innovative

Innovative

PNAS Nexus provides researchers with an open access platform that encourages transparency and facilitates the rapid publication of high-quality research.

Extensive Scope

Extensive scope

PNAS Nexus provides comprehensive scientific coverage by publishing high-quality original research from the fields of engineering and medicine, as well as studies in the social, political, and economic sciences, and mathematics, and the biological and physical sciences more broadly.

Funding and Ethics

Funding and ethics

As a fully open access journal, PNAS Nexus meets all major funder mandates. The journal is committed to high ethical standards and subscribes to the principles of the Committee on Publications Ethics (COPE). 

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