As the climate warms, droughts and floods may occur in quicker succession. Researchers project more frequent drought–flood transitions across China, with greater risks for lower-income populations. In Science X / Phys.org: https://ow.ly/CUu250ZSqnM In PNAS Nexus: https://ow.ly/iLOg50ZSqnI

Smoking appears to be more deadly in recent decades. A study uncovers the reason for the trend: smokers are, on average, older than they once were, due to cultural changes that have reduced the number of young people taking up the habit. In PNAS Nexus: https://ow.ly/4Jkm50ZSkza

Explore peer-reviewed research in cell biology from Proceedings of the National Academy of Sciences, including intracellular transport and cytoskeletal organization. Discover articles that shed light on development, homeostasis, and the cellular basis of health and disease: https://ow.ly/4KMZ50ZRvth

In this week’s Advance Articles: Deep learning without weight symmetry; cultural proximity and local premiums in collective memory; model distillation for multimodal early-warning systems; and more. https://ow.ly/L3ON50ZRvvo

As the climate warms, droughts and floods are becoming more frequent. A study explores a natural consequence of these trends in China: back-to-back flood–drought and drought–flood events are also likely to become more frequent, causing complex compound risks. In PNAS Nexus: https://ow.ly/Nl1h50ZRuEY

One of the most-discussed Proceedings of the National Academy of Sciences articles on Reddit last month was “Evolutionary trends in Triceratops from the Hell Creek Formation, Montana.” Explore the article: https://ow.ly/MP5p50ZRvOA

One of the most-viewed PNAS Nexus articles in the last week is “Host nucleolin-targeting unique peptide drugs as potent broad-spectrum anti-influenza therapies.” Explore now: https://ow.ly/N5ve50ZPTrA To submit your own research, visit PNAS Nexus at https://ow.ly/9aKn50ZPTpu.

From elephants and manatees to fungi and comb jellies, explore the connections across the Tree of Life. Watch LabX Tree of Life series, then dig deeper with related research from the PNAS journals. Watch the series: https://ow.ly/T9TA50ZPTnj Explore research: https://ow.ly/RS9i50ZPTmR

New research from National Academy of Sciences and National Academy of Medicine member Ruslan Medzhitov and colleagues identifies a potential therapeutic target for improving survival during severe influenza infection. In PNAS Nexus: https://ow.ly/GqxQ50ZPSI4

One of the most-discussed Proceedings of the National Academy of Sciences articles on Reddit last month was “Value misalignment in X’s feed algorithm is a reflection of value tensions in engagement.” Explore the article: https://ow.ly/2a2m50ZPT3i

Less splashback, more science. 🚽🏆 Researchers used fluid physics and differential equations to design a splash-free urinal—work that earned the 2026 Ig Nobel Prize in Physics. In Smithsonian Magazine: https://ow.ly/K90x50ZPJnj In PNAS Nexus https://ow.ly/oHTq50ZPJnB

Studies in Hong Kong during the 2014 unrest and in Israel during a 2014 military escalation show that taking the time to reflect and write essays about threats reduced bias against outsiders—but only for those with multicultural experience. In PNAS Nexus: https://ow.ly/P0ck50ZPIGi

Discover one of the top-performing PNAS Nexus articles on Altmetric over the past three months! “Restoring indigenous trees can help combat malnutrition in Africa” by Vansant et al. scored 34, driven by strong media attention. Read more: https://ow.ly/p6hM50ZPIYO

Peer-reviewed applied mathematics research from Proceedings of the National Academy of Sciences, including machine learning, stochastic modeling, quantum computation, biological systems analysis, and more. Discover articles that advance understanding across disciplines: https://ow.ly/WJMw50ZPpSr

In this week’s Advance Articles: Craniofacial effects of nicotine metabolites, wind turbine performance across control settings, classroom social networks as predictors of student outcomes, and more. Explore now: https://ow.ly/yIV550ZPaPy

Extreme climate events can reveal how close marine ecosystems are to ecological tipping points and inform preparations for what comes next. A new PNAS Editorial builds on discussions from the 2026 US-UK Scientific Forum on ocean systems. Read more: https://ow.ly/ASkN50ZPcez #OceanScience

Warnowiid dinoflagellates have remarkably complex structures for single-celled organisms, including eye-like ocelloids and projectile weapons systems known as nematocysts. Explore an analysis of the transcriptomes of 44 warnowiid specimens. In PNAS Nexus: https://ow.ly/JT9g50ZPatX

Meet the 2026 #LaskerAward recipients, recognized for their groundbreaking contributions to science and medicine. In partnership with the Albert and Mary Lasker Foundation, PNAS highlights the work of this year’s recipients. Explore now: https://ow.ly/WXGR50ZParx #Lasker2026 #LaskerLaureate

How can we better prepare marine ecosystems for a warming ocean? A new Proceedings of the National Academy of Sciences Editorial calls for building resilience, protecting vulnerable #ecosystems, expanding monitoring, and strengthening #ocean forecasting systems. https://ow.ly/QcPi50ZOPqz

A developing El Niño could intensify marine heatwaves and push ocean ecosystems closer to critical thresholds. A new Proceedings of the National Academy of Sciences Editorial explores how marine scientists and managers can prepare. https://ow.ly/7hXP50ZOtlj #OceanScience #ElNino

Explore peer-reviewed scientific articles that have stood the test of time. Proceedings of the National Academy of Sciences Classics are landmark papers that have opened new avenues of research across their respective fields. Explore the collection: https://ow.ly/CJjX50ZNY7Z

One of the most-viewed PNAS Nexus articles in the last week is “Civilianized safety practitioners reduce crime and disorder: Evidence from a quasiexperimental evaluation in San Francisco.” Read now: https://ow.ly/C8KZ50ZNWRq To submit, visit PNAS Nexus at https://ow.ly/Sth050ZNWN6.

Discover one of the top-performing PNAS Nexus articles on Altmetric for the past three months! “Pulling up the ladder: Enduring adversity increases opposition to reform” by Yoosun Kim et al. scored 46—driven by strong media attention. Read more: https://ow.ly/9A2150ZNWIV

DNA looping plays a critical role in many biological processes. New research from National Academy of Medicine member Taekjip Ha, National Academy of Sciences member William Bialek, and colleagues identifies the sequence features that govern this process. In PNAS Nexus: https://ow.ly/BCWa50ZNXXu

For 26 years, Lasker Jury Chair Joseph L. Goldstein has explored the intersection of science and art in annual essays. This year, he reflects on “Reimagination in art and science.” Read the #PNAS Perspective: https://ow.ly/AoKS50ZNW5i #Lasker2026 #LaskerLaureate Albert and Mary Lasker Foundation

Integrating indigenous food trees into landscape restoration could boost biodiversity and nutrition. Researchers identify opportunities and challenges for integrating these trees in Malawi. In PNAS Nexus: https://ow.ly/9KXr50ZNyum In Mongabay: https://ow.ly/8vtz50ZNyur

Researchers investigated language change by studying Slovotvir, a Ukrainian website where users propose and rank alternatives for foreign-origin words. The site shows that people prefer shorter words, but not necessarily more common words. In PNAS Nexus: https://ow.ly/yS8R50ZNxT7

The 2026 Lasker~Bloomberg Public Service Award honors Michael J. Fox for empowering patients’ voices and accelerating research toward improved therapies and a cure for Parkinson’s disease. Read the QnA: https://ow.ly/P8WA50ZNuoE #Lasker2026 #LaskerLaureate Albert and Mary Lasker Foundation

Peer-reviewed research in applied biological sciences from Proceedings of the National Academy of Sciences including gene editing, biosensing, biotechnology, and more. Discover articles that advance research in healthcare, environmental monitoring, and food production: https://ow.ly/Vsso50ZMG8s

In an editorial, Charles Branas and Bruce Levine posit that while some AI tools can make the tedious parts of science easier, outsourcing the core tasks of science to generative AI will likely lead to derivative, unoriginal work. In PNAS Nexus: https://ow.ly/Blk250ZMF2n