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Brought to you by Science Webinars  VOLUME 389 | ISSUE 6759 | 31 JUL 2025 Editorial Editorial Safeguarding US-China climate cooperation By Fan Dai Read more News In Depth  |  Astronomy Early universe’s ‘little red dots’ may be black hole stars By Daniel Clery Puzzling objects spotted by NASA’s JWST telescope come into focus Read more In Depth  |  Genetics Genome study a ‘quantum leap’ in explaining stuttering By Nazeefa Ahmed Analysis of 23andMe user data points to variants in genes linked to brain function and sense of rhythm Read more In Depth  |  Infectious Diseases Cheap drug could make human blood toxic to mosquitoes By Kai Kupferschmidt Study in Kenya shows ivermectin can reduce malaria in children—but is the strategy viable? Read more In Depth  |  Climate Change Beavers advance into the high Arctic By Warren Cornwall Dams and ponds will transform landscapes in northern Alaska Read more In Depth  |  Trump Administration Columbia makes costly deal to regain NIH money By Jocelyn Kaiser Some critics see pact with White House as erosion of academic independence Read more Feature Frontline science By Richard Stone As Ukraine’s war with Russia grinds on, the nation’s civilian scientists are playing a growing role in military R&D Read more Feature Caught in the crosshairs By Richard Stone Read more Feature The battle for Ukraine’s geological wealth By Richard Stone Read more Commentary Expert Voices Five rules for technology leapfrogging in Africa By Rose M. Mutiso Read more Perspective  |  Neuroscience The mind of a predatory worm By Maria Ahmed, P. Robin Hiesinger Widespread neural connectivity changes underlie a behavioral switch between worm species Read more Perspective  |  Chemistry Entangling molecules with a tiny motor By Jonathon Beves A molecular machine precisely controls complex synthesis of an interlocked molecule Read more Perspective  |  Immunology Evolving rare B cell lineages for an effective HIV vaccine By Sallie R. Permar, Patrick C. Wilson Clinical trials show that strategies to elicit the production of broadly neutralizing antibodies have a promising start Read more Perspective  |  Cell Biology Translational traffic jam in aging brains By Olivier Dionne, Benoit Laurent Ribosome stalling drives aging in the killifish brain Read more Policy Forum  |  Artificial Intelligence Advancing science- and evidence-based AI policy By Rishi Bommasani, Sanjeev Arora, et al. Policy must be informed by, but also facilitate the generation of, scientific evidence Read more Books et al.  |  Energy History An American energy experiment By Rasoul Sorkhabi A new book frames Benjamin Franklin as America’s first environmental engineer Read more Books et al.  |  Environmental Science Experiencing the Arctic By Jaime Herndon The rugged landscape resists digital translation, even as we develop new technologies to study it Read more Books et al.  |  Podcast Dead in Banaras: An Ethnography of Funeral Travelling Read more Letter Brazil’s Indigenous lands face legal setbacks By Lucas Ferrante, Rodrigo Machado Vilani, et al. Read more Letter Past as prologue: An Indian tradition of appreciating nature By Aashna Sharma Read more Letter US funding freeze threatens biomedical research By Guillermo Oliver Read more Reviews Review  |  CLIMATE POLICY Governing novel climate interventions in rapidly changing oceans By Tiffany H. Morrison, Gretta Pecl, et al. Read more Research Research Highlights In Science Journals By Jesse Smith, Jelena Stajic, et al. Highlights from the Science family of journals Read more Research Highlights In Other Journals By Bianca Lopez, Melissa McCartney, et al. Editors’ selections from the current scientific literature Read more Research Article  |  AGING Altered translation elongation contributes to key hallmarks of aging in the killifish brain By Domenico Di Fraia, Antonio Marino, et al. Read more Research Article  |  CELL BIOLOGY Silencing mitochondrial gene expression in living cells By Luis Daniel Cruz-Zaragoza, Drishan Dahal, et al. Read more Research Article  |  CLINICAL TRIALS Vaccination with mRNA-encoded nanoparticles drives early maturation of HIV bnAb precursors in humans By Jordan R. Willis, Madhu Prabhakaran, et al. Read more Research Article  |  CLINICAL TRIALS Precise targeting of HIV broadly neutralizing antibody precursors in humans By Tom G. Caniels, Madhu Prabhakaran, et al. Read more Research Article  |  NEUROSCIENCE Comparative connectomics of two distantly related nematode species reveals patterns of nervous system evolution By Steven J. Cook, Cristine A. Kalinski, et al. Read more Research Article  |  SPINTRONICS Spin-filter tunneling detection of antiferromagnetic resonance with electrically tunable damping By Thow Min Jerald Cham, Daniel G. Chica, et al. Read more Research Article  |  QUANTUM SIMULATION Spectroscopy of elementary excitations from quench dynamics in a dipolar XY Rydberg simulator By Cheng Chen, Gabriel Emperauger, et al. Read more Research Article  |  PALEOANTHROPOLOGY Behavior drives morphological change during human evolution By Luke D. Fannin, Chalachew M. Seyoum, et al. Read more Research Article  |  GENETICS Genomic convergence in hibernating mammals elucidates the genetics of metabolic regulation in the hypothalamus By Elliott Ferris, Josue D. Gonzalez Murcia, et al. Read more Research Article  |  GENETICS Conserved noncoding cis elements associated with hibernation modulate metabolic and behavioral adaptations in mice By Susan Steinwand, Cornelia Stacher Hörndli, et al. Read more Research Article  |  DEVICE TECHNOLOGY Negative capacitance overcomes Schottky-gate limits in GaN high-electron-mobility transistors By Asir Intisar Khan, Jeong-Kyu Kim, et al. Read more Research Article  |  SUPERCONDUCTIVITY High-field superconducting halo in UTe2 By Sylvia K. Lewin, Peter Czajka, et al. Read more Research Article  |  PLASMONICS Acoustic wave modulation of gap plasmon cavities By Skyler P. Selvin, Majid Esfandyarpour, et al. Read more Research Article  |  CLOUDS Dust-driven droplet freezing explains cloud-top phase in the northern extratropics By D. Villanueva, M. Stengel, et al. Read more Research Article  |  MOLECULAR MACHINES A molecular machine directs the synthesis of a catenane By Tommy Wachsmuth, Robert Kluifhooft, et al. Read more Research Article  |  DENDROCHRONOLOGY Pantropical tree rings show small effects of drought on stem growth By Pieter A. Zuidema, Peter Groenendijk, et al. Read more Errata Erratum for the Policy Forum “No new fossil fuel projects: The norm we need” by F. Green et al. Read more Careers Working Life Going back home By Raymond L. Allen Read more Association Affairs Association Affairs AAAS creates new partner and member opportunities By Juli Staiano, Becky Ham Partner institutions and AAAS expand collective reach Read more Essay Essay  |  Neuromodulation Targeting the brain after spinal cord injury: Targeted deep brain stimulation improves walking after injury By Newton Cho Targeted deep brain stimulation improves walking after injury Read more Essay  |  Neuromodulation Rapid deep brain chemogenetics: Minimally invasive, genetically targeted deep brain stimulation is achieved using ultrasound-activated nanocrystals By Huilang Wang Minimally invasive, genetically targeted deep brain stimulation is achieved using ultrasound-activated nanocrystals Read more FIRST RELEASE Read accepted papers posted online ahead of journal publication View all First Release Sign up for ScienceAdviser Science’s free daily newsletter delivers exclusive reporting and analysis as well as the latest science news, commentary, and research. 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