Peaceful societies don’t happen by accident—they’re built. Explore peer-reviewed research from PNAS & PNAS Nexus advancing justice reform, institutional trust, human rights, and social equity in support of UN SDG 16: Peace, Justice, and Strong Institutions. https://ow.ly/Ty4c50XY2Ac

What if we could measure the many #EnvironmentalExposures shaping our health? After 20 years, #exposomics is poised to reveal the interacting drivers of #disease. A PNAS News Feature: https://ow.ly/oxN750XY3sL#EnvironmentalExposures#exposomics#disease#PublicHealth #EnvironmentalHealthScience #pesticides #pollution

A massive meteorite impact causing partial melting and crystallization reshaped the far side of the Moon, according to iron and potassium isotope compositions in samples collected by the China National Space Administration's Chang'e-6 mission. In PNAS: https://ow.ly/3jg850XY3Mc

🌍 SDG 9 Featured Research: A PNAS Nexus study explores wearable systems to predict physical fatigue in manufacturing—showing how peer-reviewed innovation can advance the UN SDGs. Read more: https://ow.ly/RjXO50XY25U

A genetic study of 125 Sudanese people explores how a gene variant responsible for malaria resistance emerged as Copts, a Sudanese minority group originally from Egypt, intermixed with local Nilo-Saharan individuals 1,000 to 1,500 years ago. In PNAS: https://ow.ly/o6C950XY3H0

In this week’s PNAS Nexus 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/ayCf50XY1tj

Spending time in outer space can literally change the position and shape of your brain. MRI scans of 15 astronauts before and after spaceflight revealed brains shifted backward and upward and tilted up within their skulls. In PNAS: https://ow.ly/yCeo50XXkYT

A trending PNAS article in the last week is “Long-term effects of forty-hertz auditory stimulation as a treatment of Alzheimer’s disease: Insights from an aged monkey model study.” Explore now: https://ow.ly/c6iF50XXkrS For more trending articles, visit https://ow.ly/KYuh50XXkih.

Queen bumblebees have tongues less capable of retaining nectar than worker bees, which may explain why queens stop foraging once workers emerge. In PNAS: https://ow.ly/TL1750XXkJJ

Paleontologists are closing in on the dawn of the dinosaurs—revealing the early evolutionary steps that set the stage for their rise. Read the PNAS News Feature: https://ow.ly/BxZp50XXke0 #dinosaurs #Paleontology #Triassic #Lewisuchus #Silesaurus #ornithischians #extinction

Climate-driven changes in pine cone availability trigger mass movements of pine siskins known as irruptions, which can predict outbreaks of salmonellosis, a bacterial infection that can lead to severe illness in humans and other animals. In PNAS: https://ow.ly/w7ju50XWUyl

In this issue: Sex-determination mechanisms in ants, bees, and wasps; prescription drug reference pricing and health care costs; and silver-laden viruses that create a powerful bacteria killer. In PNAS: https://ow.ly/VxB450XWMoB

In an Editorial, National Academy of Sciences President Marcia McNutt outlines steps the National Academies are taking to address recent reductions in federal research funding as well as the rapid emergence of disruptive technologies, such as AI. In PNAS: https://ow.ly/wYXM50XWMvS

#Pollen records suggest that early #humans thrived in relatively open #landscapes. In PNAS Journal Club: https://ow.ly/yniE50XWMgs#Pollen#humans#landscapes#hominin #HumanEvolution #steppes #SavannaHypothesis

New stratigraphic evidence refines the timing of a major ancient carbon isotope shift (2.445–2.018 Ga), tightening its link to the Great Oxidation Event—and Earth’s first snowball glaciations. In PNAS: https://ow.ly/AOb050XWizf

Inoculating mice with gut bacteria from humans and squirrel monkeys upregulated genes associated with energy production, suggesting that the microbiome may have played a supporting role in the evolution of energy-intensive brains. In PNAS: https://ow.ly/HRE550XWiXg

One of the most-viewed PNAS articles in the last week is “The variability of evolvability: Properties of dynamic fitness landscapes determine how phenotypic variability evolves.” Explore now: https://ow.ly/XouU50XWiiV For more trending articles, visit https://ow.ly/AiXL50XWi81.

Excited to have the chance to discuss my PhD research with PNAs for this article on the origin of dinosaurs www.pnas.org/doi/10.1073/...

A sex-determining gene region in ants, bees, and wasps has maintained its function for over 150 million years through its chromosomal position rather than its DNA sequence, as evidenced by the lack of sequence homology among lineages. In PNAS: https://ow.ly/n9eU50XWipU

Enjoyed @giacomoi.bsky.social commentary in PNAS on how #NeuroAI and Neuromorphic Engineering should come together to allow brain circuit motifs to positively influence the design of computing systems: Biological fidelity: The engine driving the neuromorphic renaissance www.pnas.org/doi/full/10....

Americans pay dramatically higher drug prices than patients in Canada, France, Germany, Japan, and the United Kingdom. Aligning US drug prices with those nations would save $184 billion annually, reducing national drug spending by 51%. In PNAS: https://ow.ly/qP9b50XWit1

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

A study in mice suggests that the ideal diet for a pregnant mother is not the same as the ideal diet for offspring growth. High protein levels are good for the fetus, but impair maternal glucose tolerance. In PNAS: https://ow.ly/I0ei50XVUo2

Discover how our closest primate cousins think! 🧠✨ A Smithsonian Magazine article highlights breakthroughs in human origins — including a PNAS study showing bonobos tailor communication based on what others know. 🤯: https://ow.ly/CL8n50XVx6J In PNAS: https://ow.ly/nHyn50XVwLi

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/S48U50XVwF8

Pyrophilous fungi are fungal species that thrive after wildfire. A genetic analysis of this group uncovered an ecologically important tradeoff between fast growth and the ability to break down post-fire aromatic carbon compounds. In PNAS: https://ow.ly/1A2P50XVxZc

Read highlights in this week’s issue of PNAS: We explore the climate and landscape dynamics in Pleistocene eastern Africa, analyze how Hawaiian bobtail squids manage their microbiota, and examine how insect pathogens detoxify host antimicrobial compounds. Explore now: https://ow.ly/SvWu50XVwl9

new paper by Sean Westwood: With current technology, it is impossible to tell whether survey respondents are real or bots. Among other things, makes it easy for bad actors to manipulate outcomes. No good news here for the future of online-based survey research

PNAS & PNAS Nexus are committed to advancing all 17 UN Sustainable Development Goals. Together, the PNAS journals publish peer-reviewed science that informs policy advances sustainability, and addresses urgent global challenges. 🌍 Learn more: https://ow.ly/ZaLB50XUCBS

Opinion piece: As we let #AI speak for us—as #researchers, #clinicians, even as people—we risk a new blind spot: #MachinalBypass. Why outsourcing presence matters more than we think. In PNAS Front Matter: https://ow.ly/T8U650XU6Tv#AI#researchers#clinicians#MachinalBypass#MentalHealth #Psychology #Psychiatry #LLM #ChatGPT

High levels of the soluble form of the interleukin-33 receptor ST2 suppress allergic responses to food in mice, clarifying the biomarker's role in inflammation and disease. In PNAS: https://ow.ly/npsN50XUcIC

PNAS honors the life of David John “Davo” Mangelsdorf—whose groundbreaking discoveries reshaped nuclear receptor and metabolic biology. Remembered not only for his science, but for his generosity and mentorship. Read more: https://ow.ly/1c8050XUcS8

Coastal communities in southern Alaska rely on dozens of wild food species across land and sea. A new study shows that access to diverse wild foods stabilizes harvests over time and makes food systems more resilient to species declines. In PNAS: https://ow.ly/QnwY50XUcyb

Discover the research that captured public attention in 2025. From PFAS in drinking water to ancient oceans on Mars, PNAS Selected Highlights showcase 12 studies that shaped conversations beyond the lab. Read here: https://ow.ly/azmj50XU6mi

An anthropologist proposes the concept of “cultural consonance,” the degree to which individuals, in their own behavior, approximate local cultural prototypes for behavior. One example is regularly eating culturally important foods. In PNAS: https://ow.ly/Kx1v50XUc2I

Can we measure how countless #EnvironmentalExposures shape our health? After 20 years, #exposomics is poised to untangle how #pesticides, #pollution, #wildfires, and more interact to drive #disease. A PNAS News Feature: https://ow.ly/IbwG50XU6Jz#EnvironmentalExposures#exposomics#pesticides#pollution#wildfires#disease#biobank #genomics #PublicHealth

High levels of the soluble form of the interleukin-33 receptor ST2 suppress allergic responses to food in mice, clarifying the biomarker's role in inflammation and disease. In PNAS: https://ow.ly/aaIy50XTxNg

A trending PNAS article in the last week is “Competition between a transmembrane helix on Scap and a membrane cholesterol regulates Scap–Insig interaction and SREBP activation.” Explore now: https://ow.ly/vzv650XTvhU For more trending articles, visit https://ow.ly/IeiN50XTvfF.

Juvenile Caribbean spiny lobsters are social and are attracted by the scent of larger conspecifics to dens also occupied by predatory red grouper, which can’t eat larger lobsters. The result is a rare natural ecological trap for the juveniles. In PNAS: https://ow.ly/UuAs50XTxvP

In this issue: Vulnerability of the West Antarctic Ice Sheet, silver-laden viruses as powerful bacteria killers, and climate and landscape dynamics in Pleistocene eastern Africa. In PNAS: https://ow.ly/wHeq50XTv2n

In the summer months, when food is plentiful, 13-lined ground squirrels excrete urea as a waste product. In the winter, while hibernating, they collaborate with their gut microbes to make use of urea’s carbon to form acetate, a source of energy. In PNAS: https://ow.ly/UvNl50XTxlR

Can #paleontologists pinpoint the dawn of the #dinosaurs? Researchers are uncovering the early evolutionary steps that set the stage for their impressive reign. A PNAS News Feature: https://ow.ly/Ntt050XTtUk#paleontologists#dinosaurs?#Lewisuchus #Triassic #Silesaurus #ornithischians #extinction

One of the most-viewed PNAS articles in the last week is “Behavioral, experiential, and physiological signatures of mind blanking.” Explore the article here: https://ow.ly/vRPz50XSqmA For more trending articles, visit https://ow.ly/BCNw50XSqmC.

Analysis of a sediment core from an ancient lake at Olduvai Gorge reveals that human ancestors living between 1.9 and 1.8 million years ago would have experienced a stable terrestrial ecosystem with a consistent mix of woodland and grassland. In PNAS: https://ow.ly/bxHM50XStFl

🌟 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:

A genomics-informed study of endangered marsh fritillary butterflies suggests that moving individuals between populations could help the species survive, with minimal outbreeding depression risks. The approach could help other species as well. In PNAS: https://ow.ly/VRXi50XStzn

In the latest Science Sessions episode, James Evans discusses how China's growing investment in science is translating into increased leadership in global research collaborations, and what that shift could mean for the United States. Listen now: https://ow.ly/NT8S50XSpOZ

A study of “the munchies” finds that inhalation of cannabis vapor increases food intake in humans and rats. Cannabis overrides homeostatic appetite regulation and increases interest in all food types. In PNAS: https://ow.ly/a7Kr50XS4mz

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/VlSv50XS3fK

Metamorphosis in solitary bee larvae is triggered by starvation, as maternal food provisions run out. These bee larvae are unable to forage for food themselves, making starvation an ecologically relevant cue for metamorphosis. In PNAS: https://ow.ly/OVTu50XS4yM