SciencePub Date : 2025-05-22DOI: 10.1126/science.ady1446
Peter M. Budd
{"title":"A refinery in a thin film","authors":"Peter M. Budd","doi":"10.1126/science.ady1446","DOIUrl":"10.1126/science.ady1446","url":null,"abstract":"<div >Many chemicals, pharmaceuticals, and petrochemicals must be isolated from a mixture of various molecules. Traditional separation processes such as distillation not only require a great deal of energy but also generate large amounts of greenhouse gases (<i>1</i>). An attractive alternative is reverse osmosis that filters liquid solutions through a semipermeable, thin membrane by applying pressure. This method has been broadly used to separate water from salts. However, it is a challenge to create membranes that can isolate molecules from a complex hydrocarbon mixture such as crude oil. On page 839 of this issue, Lee <i>et al</i>. (<i>2</i>) report the fabrication of a reverse osmosis membrane that can separate molecules from industrially relevant organic solvents. This could potentially replace energy-intensive distillation processes in industry.</div>","PeriodicalId":21678,"journal":{"name":"Science","volume":"388 6749","pages":""},"PeriodicalIF":44.7,"publicationDate":"2025-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144118294","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"综合性期刊","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
SciencePub Date : 2025-05-22DOI: 10.1126/science.adz1374
Sacha Vignieri, Stella M Hurtley, Ekeoma Uzogara, Madeleine Seale, Yury Suleymanov, Keith T Smith, Phil Szuromi
{"title":"In Other Journals.","authors":"Sacha Vignieri, Stella M Hurtley, Ekeoma Uzogara, Madeleine Seale, Yury Suleymanov, Keith T Smith, Phil Szuromi","doi":"10.1126/science.adz1374","DOIUrl":"https://doi.org/10.1126/science.adz1374","url":null,"abstract":"<p><p>Editors' selections from the current scientific literature.</p>","PeriodicalId":21678,"journal":{"name":"Science","volume":"388 6749","pages":"832"},"PeriodicalIF":44.7,"publicationDate":"2025-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144128575","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"综合性期刊","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
SciencePub Date : 2025-05-22DOI: 10.1126/science.adx8707
Colette J. Feehan, Karen Filbee-Dexter
{"title":"The silent signals of climate change","authors":"Colette J. Feehan, Karen Filbee-Dexter","doi":"10.1126/science.adx8707","DOIUrl":"10.1126/science.adx8707","url":null,"abstract":"<div >Climate change is transforming marine ecosystems in visible and stark ways, such as the bleaching of coral reefs. Yet, subtler though similarly profound disruptions are also happening to the chemical ecology of the ocean. These invisible changes are understudied and absent from most climate change models but may play fundamental roles in structuring future ocean ecosystems. On page 876 of this issue, Farrell <i>et al</i>. (<i>1</i>) show that climate-driven shifts of kelp forests into “turf algae” (carpets of filamentous red algae) alter the chemical environment of temperate reefs, making them less hospitable to young kelp. These findings indicate that climate change is not just reshaping physical habitats but also disrupting the chemical interactions that underpin key biological processes, which could have important implications for marine conservation efforts.</div>","PeriodicalId":21678,"journal":{"name":"Science","volume":"388 6749","pages":""},"PeriodicalIF":44.7,"publicationDate":"2025-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144118293","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"综合性期刊","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
SciencePub Date : 2025-05-22DOI: 10.1126/science.ado0769
Z. L. Yang, J. L. Han, D. J. Zhou, W. C. Jing, W. C. Chen, T. Wang, X. D. Li, S. Wang, B. Wang, H. W. Ge, Y. L. Guo, L. H. Li, Y. Shao, J. F. Liu, W. Q. Su, L. G. Hou, W. J. Huang, J. C. Jiang, P. Jiang, J. H. Sun, B. J. Wang, C. Wang, H. G. Wang, J. B. Wang, N. Wang, P. F. Wang, S. Q. Wang, H. Xu, J. Xu, R. X. Xu, W. M. Yan, Y. Yan, X. P. You, D. J. Yu, Z. S. Yuan, C. F. Zhang
{"title":"A pulsar-helium star compact binary system formed by common envelope evolution","authors":"Z. L. Yang, J. L. Han, D. J. Zhou, W. C. Jing, W. C. Chen, T. Wang, X. D. Li, S. Wang, B. Wang, H. W. Ge, Y. L. Guo, L. H. Li, Y. Shao, J. F. Liu, W. Q. Su, L. G. Hou, W. J. Huang, J. C. Jiang, P. Jiang, J. H. Sun, B. J. Wang, C. Wang, H. G. Wang, J. B. Wang, N. Wang, P. F. Wang, S. Q. Wang, H. Xu, J. Xu, R. X. Xu, W. M. Yan, Y. Yan, X. P. You, D. J. Yu, Z. S. Yuan, C. F. Zhang","doi":"10.1126/science.ado0769","DOIUrl":"10.1126/science.ado0769","url":null,"abstract":"<div >A stellar common envelope occurs in a binary system when the atmosphere of an evolving star expands to encompass an orbiting companion object. Such systems are predicted to evolve rapidly, ejecting the stellar envelope and leaving the companion in a tighter orbit around a stripped star. We used radio timing to identify a pulsar, PSR J1928+1815, with a spin period of 10.55 ms in a compact binary system with an orbital period of 3.60 hours. The companion star has 1.0 to 1.6 solar masses, eclipses the pulsar for about 17% of the orbit, and is undetected at other wavelengths, so it is most likely a stripped helium star. We interpret this system as having recently undergone a common envelope phase, producing a compact binary.</div>","PeriodicalId":21678,"journal":{"name":"Science","volume":"388 6749","pages":""},"PeriodicalIF":44.7,"publicationDate":"2025-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144118296","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"综合性期刊","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
SciencePub Date : 2025-05-22DOI: 10.1126/science.ado5323
Emily J. Zakem, Jesse McNichol, J. L. Weissman, Yubin Raut, Liang Xu, Elisa R. Halewood, Craig A. Carlson, Stephanie Dutkiewicz, Jed A. Fuhrman, Naomi M. Levine
{"title":"Functional biogeography of marine microbial heterotrophs","authors":"Emily J. Zakem, Jesse McNichol, J. L. Weissman, Yubin Raut, Liang Xu, Elisa R. Halewood, Craig A. Carlson, Stephanie Dutkiewicz, Jed A. Fuhrman, Naomi M. Levine","doi":"10.1126/science.ado5323","DOIUrl":"10.1126/science.ado5323","url":null,"abstract":"<div >Heterotrophic bacteria and archaea (“heteroprokaryotes”) drive global carbon cycling, but how to quantitatively organize their functional complexity remains unclear. We generated a global-scale understanding of marine heteroprokaryotic functional biogeography by synthesizing genetic sequencing data with a mechanistic marine ecosystem model. We incorporated heteroprokaryotic diversity into the trait-based model along two axes: substrate lability and growth strategy. Using genetic sequences along three ocean transects, we compiled 21 heteroprokaryotic guilds and estimated their degree of optimization for rapid growth (copiotrophy). Data and model consistency indicated that gradients in grazing and substrate lability predominantly set biogeographical patterns, and we identified deep-ocean “slow copiotrophs” whose ecological interactions control the surface accumulation of dissolved organic carbon.</div>","PeriodicalId":21678,"journal":{"name":"Science","volume":"388 6749","pages":""},"PeriodicalIF":44.7,"publicationDate":"2025-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144118301","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"综合性期刊","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
SciencePub Date : 2025-05-22DOI: 10.1126/science.ady2201
William Bement
{"title":"Rewriting the rules of cell division","authors":"William Bement","doi":"10.1126/science.ady2201","DOIUrl":"10.1126/science.ady2201","url":null,"abstract":"<div >Animal cell division has long been thought to represent a strict division of labor. Transporting, organizing, and then separating the chromosomes is the job of microtubules and microtubule-associated proteins that constitute the mitotic spindle, whereas splitting the cell itself is the job of actin filaments (F-actin) and myosin-2 (an F-actin–based motor protein that drives contraction) in the cell cortex, the layer of cytoplasm at the cell periphery just beneath the plasma membrane. This view has persisted for more than five decades, with any exceptions considered as special cases. However, on page 835 of this issue, Hernandez <i>et al</i>. (<i>1</i>) report that F-actin has a role in chromosome transport, organization, and spindle assembly during mitosis in early mouse embryos. These findings demonstrate that successful mitosis may draw on more mechanisms than commonly assumed.</div>","PeriodicalId":21678,"journal":{"name":"Science","volume":"388 6749","pages":""},"PeriodicalIF":44.7,"publicationDate":"2025-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144118307","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"综合性期刊","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
SciencePub Date : 2025-05-22DOI: 10.1126/science.adx4616
Mary Ellen Hannibal
{"title":"Rivers and their rights","authors":"Mary Ellen Hannibal","doi":"10.1126/science.adx4616","DOIUrl":"10.1126/science.adx4616","url":null,"abstract":"","PeriodicalId":21678,"journal":{"name":"Science","volume":"388 6749","pages":""},"PeriodicalIF":44.7,"publicationDate":"2025-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144118310","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"综合性期刊","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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