| Titre : | Science, 392(6797) - 30 April 2026 - Built to scale: the power law behind how deltas grow |
| Type de document : | Bulletin : Périodique |
| Paru le : | 30/04/2026 |
| Année de publication : | 2026 |
| Langues: | Anglais |
| Résumé : |
Sommaire :
In Depth - Trump fires entire body overseeing the National Science Foundation Dismissal of the National Science Board is widely seen as latest move to erase NSF’s independence - Vaginal bacteria turn newborn skin into a beneficial ‘bioreactor’ Lipid synthesized on skin may promote brain development—and a swabbing with vaginal fluid can provide it to C-section babies - Foot-and-mouth disease explodes in South Africa A strain originating in wild buffalo is spreading rapidly in cattle as UN agency warns of threats in other countries - How an HIV/AIDS tragedy spurred human evolution High death toll in a South African province rapidly shaped immune system genes - European funder alters rules, leaving scientists shut out Facing flood of proposals, European Research Council says unsuccessful applicants must wait longer to reapply - Bizarre Hawking radiation may smooth the jagged hearts of black holes Hawking’s signature prediction may prevent vexing singularities from forming Feature - The misinformation accelerator To misinformation researchers, AI is a scourge—and a powerful new tool - Reality check AI-generated images have left us questioning what is real. But the godfather of digital forensics, Hany Farid, is not giving up Commentary Expert Voices - To defeat gerrymandering, we must go back to the drawing board Perspectives - AI can reason like a physician—what comes next? Text-based AI can think like a physician; the challenge is achieving safe clinical implementation - Can AI simplify the alphabet of life? Generative AI design yields functional proteins with only 19 amino acids - Tracking the turning point in Alzheimer’s disease A blood biomarker reveals the mechanistic shift from amyloid to tau pathology - From alchemy to precision skeletal editing Atoms are selectively replaced, added, or deleted within ring-shaped molecules Letters - Support besieged Iranian scientists - Track wars’ environmental effects in real time - Measuring faith in a fragmented world Analysis Policy Articles - CDC communication undermines trust in vaccines - Uncertainty-based framing raises doubt, lowers vaccination intentions, and boosts science denial Research Articles - Lymphoid tissue chemokines limit priming duration to preserve CD8+ T cell functionality - Disordered protein LAT encodes relative levels of signaling pathways in T cell activation - Rumen ciliates modulate methane emissions in ruminants - Gene syntax defines supercoiling-mediated transcriptional feedback - Deeper detection limits in astronomical imaging using self-supervised spatiotemporal denoising - Toward life with a 19–amino acid alphabet through generative artificial intelligence design - Bypassing the yellow phase for extremely stable formamidinium lead iodide perovskite solar cells - Contingent evolution of thick enamel by kangaroos to resist dietary abrasion - Apparent Hack’s law in river deltas - A helper NLR channels organellar calcium to trigger plant immunity - Peer influence decay and behavioral diffusion in adolescent networks: A simulation approach - Precision indole skeletal editing for single-carbon replacement - Bridging experiment and theory of relaxor ferroelectrics with multislice electron ptychography - Performance of a large language model on the reasoning tasks of a physician - Divergent and consecutive skeletal editing of saturated primary amines - Scanning nitrogen in sp3-rich scaffolds enabled by carbonyl-to-nitrogen atom swap |
| En ligne : | https://www.science.org/toc/science/392/6797 |
Dépouillements
Article
Tian Dong, Auteur ;
Lawrence Vulis, Auteur ;
Hongbo Ma, Auteur ;
Alejandro Tejedor, Auteur ;
Timothy A. Goudge, Auteur
River deltas are densely populated, ecologically vital landscapes threatened by rising sea levels. Distributary channel networks disperse sediment to build deltaic land, yet the relationship between the network organization and land building rem[...]
Exemplaires (1)
| Code-barres | Cote | Support | Localisation | Section | Disponibilité |
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| 16773 | Science | Périodique | Bibliothèque | Indéterminé | Disponible |



