In this week’s Advanced Articles: We examine how ENSO and the PDO drive shoreline position anomalies in the U.S. Pacific Northwest, explore biodiversity changes in Arctic coastal ecosystems under borealization, and more. Explore now: https://ow.ly/m2lY50XXjug

A study of tweets from 2012–2022 shows that the site’s users could tell when pollen seasons shift in time. Liberal users, however, were more likely to blame the shift on climate change than conservative users. In PNAS Nexus: https://ow.ly/NGqE50XWimw

Is China poised to become a global scientific leader? In the latest Science Sessions, James Evans of the University of Chicago explains how China’s growing role in international collaborations is reshaping scientific leadership worldwide. Listen now: https://ow.ly/7ckU50XWhF4

Trending on PNAS Nexus 🔥 One of last week’s most-viewed articles explores how flexoelectricity in active living cells could impact energy harvesting, ion transport, and neuronal activity. Read more: https://ow.ly/YrGy50XWi45 Submit your research: https://ow.ly/Oeoa50XWi3E

How toxic is social media—really? 🤔 A new study shows harmful content comes from a small, hyperactive minority, not most users—and correcting this myth can reduce cynicism. In VICE https://ow.ly/ajzt50XVxvo In PNAS Nexus: https://ow.ly/AArb50XVxj0

Pheomelanin, the pigment that creates orange feathers and redheaded humans, is associated with a high risk of melanoma—so why does it persist? A study in zebra finches finds a role for the pigment in neutralizing toxic cystine. In PNAS Nexus: https://ow.ly/7zTv50XVy6A

From air pollution’s impact on children’s vision to AI and learning, Antarctic sea ice loss, and antibiotic pollution in rivers, PNAS Nexus Selected Highlights 2025 showcase the research that resonated beyond the lab and into public conversation. Read the collection: https://ow.ly/O8sV50XVwvO

Proceedings of the National Academy of Sciences & PNAS Nexus are committed to advancing all 17 UN Sustainable Development Goals 🌍 Through rigorous, peer-reviewed science, we inform policy, drive sustainability, and tackle urgent global challenges. Learn more: https://ow.ly/AK5050XUCEE

🔬 2025 Issue 12 of PNAS Nexus is now available! Explore fast, high-value decision-making, cryo-EM insights into T-cell intracellular antigen-1 amyloid fibrils, and more. Dive in: https://ow.ly/6tIr50XUcqC

A study outlines two approaches to achieving net-zero emissions in Southeast Asia by 2050: accelerating investment in renewables and battery storage; or expanding investment in Carbon Capture and Storage (CCS) and hydrogen fuel. In PNAS Nexus: https://ow.ly/Kf7550XUctQ

Discover the research that captured public attention in 2025. From PFAS in drinking water to ancient oceans on Mars, Proceedings of the National Academy of Sciences Selected Highlights showcase 12 studies that shaped conversations beyond the lab. Read here: https://ow.ly/vNVq50XU6rQ

🔥 Trending article in PNAS Nexus in the last week: “Thermal constraints on the distribution of Japanese eel (Anguilla japonica) at its northern limit: Links to land use and geology.” Read more: https://ow.ly/I4Zq50XSqKe To submit your research, visit: https://ow.ly/zq0L50XSqsP

Cells are dynamic, characterized by constant nanoscale membrane fluctuations. A study proposes that electricity could be harvested from these movements via flexoelectricity—potentially enough to drive ion transport. In PNAS Nexus: https://ow.ly/JN4R50XStl1

🌟 Discover one of the top-performing PNAS Nexus articles on Altmetric for the past three months! “RNP condensates modulate survival under Mars-like stress conditions” by Riya Dhage et al. scored 152—driven by strong media attention. Read more: https://ow.ly/ELOa50XSpYy

Explore the discoveries that shaped scientific conversations in 2025! The Proceedings of the National Academy of Sciences Selected Highlights collection features 12 studies that made a lasting impact on the public understanding of science. Read here: https://ow.ly/eSkB50XS37f

Yellowstone quakes spark chemical energy that feeds underground microbes—revealing how deep life endures on Earth and hinting at possibilities on Mars. 🌋🔬 In EarthSky: https://ow.ly/bXC950XS41L In PNAS Nexus: https://ow.ly/WKon50XS3Oh

A literature review spanning 67 countries chronicles the many ways farmers value crops. While yield and profit are the most commonly cited values, farmers value crops for many practical, cultural, social, and culinary reasons. In PNAS Nexus: https://ow.ly/EPhe50XS49g

From air pollution and childhood vision to antibiotic pollution in rivers, the PNAS Nexus Selected Highlights showcases studies that shaped scientific conversations in 2025. Explore the collection here: https://ow.ly/RGAN50XS3az

Explore the discoveries that shaped scientific conversations in 2025! The Proceedings of the National Academy of Sciences Selected Highlights collection features 12 studies that made a lasting impact on the public understanding of science. Read here: https://ow.ly/QNka50XR9Qo

A transformer encoder-based classifier called JoblessBERT can identify posts about unemployment on social media, allowing researchers to predict US unemployment claims, up to two weeks in advance, at the national, state, and city levels. In PNAS Nexus: https://ow.ly/Zvi850XRa8I

A Proceedings of the National Academy of Sciences Special Feature explores how machine learning is transforming drug design, materials discovery, and molecular prediction, while also exploring the challenges that limit broader adoption. Read the blog post: https://ow.ly/KjHs50XR9GK

One of the most-viewed PNAS Nexus articles in the last week is “Americans overestimate how many social media users post harmful content.” Explore the article here: https://ow.ly/88vb50XQsR6 To learn more about submitting your research, visit PNAS Nexus at https://ow.ly/pYsQ50XQsR7.

From air pollution and childhood vision to antibiotic pollution in rivers, the PNAS Nexus Selected Highlights showcases studies that shaped scientific conversations in 2025. Explore the collection here: https://ow.ly/aPWk50XQsG7

Moving from a corn monoculture to a corn-soybean-wheat rotation with cover crops could improve the stability of productivity, reduce nitrogen use, and decrease greenhouse gas emissions in the US Midwest. Adding cattle adds even more benefits. In PNAS Nexus: https://ow.ly/km3B50XQpTI

Final call for Cozzarelli Prize nominations! Submit by Jan 2. Proceedings of the National Academy of Sciences articles published between December 16, 2024, and December 15, 2025, that demonstrated exceptional impact are eligible for nomination: https://ow.ly/YHzB50XQnZW

New study maps biological “tilings” across life, uncovering shared patterns that tie form, function & materials — a fresh blueprint for bioinspired design & biomaterials! 🚀 In Science News: https://ow.ly/sAOB50XQ0QJ In PNAS Nexus: https://ow.ly/f6JU50XQ0Jc

In a study conducted in France, information that speaks to the “deservingness” of immigrants—such as their intention to gain employment and learn the local language—modestly reduces opposition to immigration. In PNAS Nexus: https://ow.ly/AiB650XQ135

Explore the discoveries that shaped scientific conversations in 2025! The Proceedings of the National Academy of Sciences Selected Highlights collection features 12 studies that made a lasting impact on the public understanding of science. Read here: https://ow.ly/q4st50XQ0lO

Submit a Brief Report to Proceedings of the National Academy of Sciences or PNAS Nexus to share concise, interdisciplinary findings—published open access and designed for rapid impact. Learn more: PNAS: https://ow.ly/EzJx50XPnrr PNAS Nexus: https://ow.ly/R0rg50XPnqe

Japanese eels may move north, but unevenly, as the climate warms. The key variable, river water temperature, is increased by the presence of cities and farms in the watershed, and decreased by volcanic geology characterized by cool springs. In PNAS Nexus: https://ow.ly/tZvH50XPnnC

Final call for Cozzarelli Prize nominations! If a Proceedings of the National Academy of Sciences article published between December 16, 2024, and December 15, 2025, made a meaningful contribution to its field, nominate it by Jan 2: https://ow.ly/RNqN50XPn9o

In this week’s Advanced Articles: We delve into how farmers hold diverse and connected values toward crops, examine how environmental dynamics shape whether matching is optimal, and more. Explore now: https://ow.ly/BJPF50XOZtc

One of the most-viewed PNAS Nexus articles in the last week is “Less is more: Aesthetic liking is inversely related to metabolic expense by the visual system.” Explore now: https://ow.ly/EzOX50XNIkf To submit your own research, visit PNAS Nexus at https://ow.ly/VOVj50XNIjg.

Stay up to date with the latest open access research from PNAS Nexus. Sign up for email alerts and be notified as new articles are published. 🔗 https://ow.ly/QsWj50XNI5g

Using open-access Sentinel-1 images from the European Space Agency, researchers propose a method for detecting building destruction in disasters and warzones with a 12-day resolution, regardless of cloud cover conditions. In PNAS Nexus: https://ow.ly/spcy50XNIoc

How did dogs evolve from wolves—and what does their DNA reveal about behavior? 🐕 A new Proceedings of the National Academy of Sciences Special Feature explores canine domestication, migration, and genetic links to behavior and human traits. Read now: https://ow.ly/hezk50XNHZu

Tracking pixels send information about website visitors to third parties. A study of pixel tracking on US hospital sites suggests it increases data breach risk and is a threat to privacy that falls between the cracks of current regulations. In PNAS Nexus: https://ow.ly/KJWK50XNlvo

Hydrodynamic simulations of blood clotting factors in the smallest blood vessels show how Von Willebrand factor and blood platelets spontaneously form aggregates on vessel walls, which then move into the bulk flow and disaggregate. In PNAS Nexus: https://ow.ly/boUB50XNlrj

LLMs do more than generate text. A new study shows AI agents form social networks that mirror human behavior—from homophily to small-world structure—opening new doors for network science research. In Singularity Hub: https://ow.ly/Girp50XNkzg In PNAS Nexus: https://ow.ly/F9mw50XNkzP

Most people overestimate the proportion of Reddit users that post severely toxic comments or Facebook users that post fake news, misperceptions that contribute to a sense of moral decline. In reality, the trolls are a vocal minority. In PNAS Nexus: https://ow.ly/i82W50XMxIx

PNAS Nexus looks back on the 2025 articles that caught the attention of the public and sparked conversations about health, the environment, and society. Explore the collection here: https://ow.ly/ZOcy50XMxi4

Increasing adoption of rooftop solar panels can raise retail electricity rates, as utilities spread their fixed costs over a smaller customer base. Fees from customers with panels connected to the grid could recoup some lost revenue. In PNAS Nexus: https://ow.ly/En1R50XLBtR

In this week’s Advance Articles: We delve into structural basis for TIA-1 amyloid fibril formation revealed by cryo-EM, examine insights from a state-line wildlife disease outbreak, and more. Explore now: https://ow.ly/6tbX50XLAlF

Ready to publish your next breakthrough? Your research deserves a home that amplifies its impact. Discover what sets PNAS Nexus apart by hearing directly from the editors: https://ow.ly/gsNy50XKzt6 Submit your manuscript today: https://ow.ly/N6AA50XKzt8

One of the most-viewed PNAS Nexus articles in the last week is “Integrating indoor and outdoor nitrogen dioxide exposures in US homes nationally by ZIP code.” Explore now: https://ow.ly/KU8C50XKrt0 To submit your own research, visit PNAS Nexus at https://ow.ly/fmSr50XKrqf.

A Perspective calls for transparent, evidence-based public communication about the health risks of eating wild animal meat. The authors warn that co-opting public health messaging to protect threatened species may erode public trust. In PNAS Nexus: https://ow.ly/oaqI50XJOoV

A study finds that AI Chatbot summaries produce shallower knowledge than traditional web search. LLMs may therefore be less useful than web search if the goal is to build procedural knowledge. In Futurism: https://ow.ly/Fbpk50XJO6E In PNAS Nexus: https://ow.ly/NFBA50XJNz1

Explore the discoveries that defined 2025 in Selected Highlights from PNAS! Read the collection here: https://ow.ly/cjvU50XIwG4

In this week’s Advanced Articles: We delve into the self-organization of common good usage and its application to Internet services, explore visual quorum sensing in chiral suspensions, and more. Explore now: https://ow.ly/h69G50XHyxs

Our Committee on Human Rights serves as a bridge between the #HumanRights and scientific communities, in recognition of the importance of rights protection for scientific inquiry. Learn about the Committee's work for #HumanRightsDay: https://ow.ly/2T0R50XGYjU