Shatter cones: (Mis)understood?

abstract：:Bioacoustic networks could vastly expand the coverage of wildlife monitoring to complement satellite observations of climate and vegetation. This approach would enable global-scale understanding of how climate change influences phenomena such as migratory timing of avian species. The enormous data sets that autonomous...

journal_title：Science advances

authors： Oliver RY,Ellis DPW,Chmura HE,Krause JS,Pérez JH,Sweet SK,Gough L,Wingfield JC,Boelman NT

更新日期：2018-06-20 00:00:00

abstract：:Controlling the polarization state and the propagation direction of photons is a fundamental prerequisite for many nanophotonic devices and a precursor for future on-chip communication, where the emission properties of individual emitters are particularly relevant. Here, we report on the emission of partially circular...

journal_title：Science advances

authors： Neugebauer M,Banzer P,Nechayev S

更新日期：2019-06-28 00:00:00

abstract：:Fluctuations in biodiversity, large and small, pervade the fossil record, yet we do not understand the processes generating them. Here, we extend theory from nonequilibrium statistical physics to describe the fat-tailed form of fluctuations in Phanerozoic marine invertebrate richness. Using this theory, known as super...

journal_title：Science advances

authors： Rominger AJ,Fuentes MA,Marquet PA

更新日期：2019-06-26 00:00:00

abstract：:Colloidal-scale assemblies that reconfigure on demand may serve as the next generation of soft "microbots," artificial muscles, and other biomimetic devices. This requires the precise arrangement of particles into structures that are preprogrammed to reversibly change shape when actuated by external fields. The design...

journal_title：Science advances

authors： Han K,Shields CW 4th,Diwakar NM,Bharti B,López GP,Velev OD

更新日期：2017-08-04 00:00:00

abstract：:Previous studies have extensively investigated the impact of Arctic sea ice anomalies on the midlatitude circulation and associated surface climate in winter. However, there is an ongoing scientific debate regarding whether and how sea ice retreat results in the observed cold anomaly over the adjacent continents. We p...

journal_title：Science advances

authors： Zhang P,Wu Y,Simpson IR,Smith KL,Zhang X,De B,Callaghan P

更新日期：2018-07-25 00:00:00

abstract：:Demonstration of ultralow energy switching mechanisms is imperative for continued improvements in computing devices. Ferroelectric (FE) and multiferroic (MF) order and their manipulation promise an ideal combination of state variables to reach attojoule range for logic and memory (i.e., ~30× lower switching energy tha...

journal_title：Science advances

authors： Manipatruni S,Nikonov DE,Lin CC,Prasad B,Huang YL,Damodaran AR,Chen Z,Ramesh R,Young IA

更新日期：2018-11-23 00:00:00

abstract：:The transcriptional repressors Polycomb repressive complex 1 (PRC1) and PRC2 are required to maintain cell fate during embryonic development. PRC1 and PRC2 catalyze distinct histone modifications, establishing repressive chromatin at shared targets. How PRC1, which consists of canonical PRC1 (cPRC1) and variant PRC1 (...

journal_title：Science advances

authors： Zepeda-Martinez JA,Pribitzer C,Wang J,Bsteh D,Golumbeanu S,Zhao Q,Burkard TR,Reichholf B,Rhie SK,Jude J,Moussa HF,Zuber J,Bell O

更新日期：2020-04-01 00:00:00

abstract：:G-quadruplex (G4) is one of the most important secondary structures in nucleic acids. Until recently, G4 RNAs have not been reported in any ribovirus, such as the hepatitis C virus. Our bioinformatics analysis reveals highly conserved guanine-rich consensus sequences within the core gene of hepatitis C despite the hig...

journal_title：Science advances

authors： Wang SR,Min YQ,Wang JQ,Liu CX,Fu BS,Wu F,Wu LY,Qiao ZX,Song YY,Xu GH,Wu ZG,Huang G,Peng NF,Huang R,Mao WX,Peng S,Chen YQ,Zhu Y,Tian T,Zhang XL,Zhou X

更新日期：2016-04-01 00:00:00

abstract：:Chronic suppurative otitis media (CSOM) is a neglected pediatric disease affecting 330 million worldwide for which no new drugs have been introduced for over a decade. We developed a mouse model with utility in preclinical drug evaluation and antimicrobial discovery. Our model used immune-competent mice, tympanic memb...

journal_title：Science advances

authors： Khomtchouk KM,Kouhi A,Xia A,Bekale LA,Massa SM,Sweere JM,Pletzer D,Hancock RE,Bollyky PL,Santa Maria PL

更新日期：2020-08-14 00:00:00

abstract：:Calcium silicate hydrate (C-S-H) is the binder in concrete, the most used synthetic material in the world. The main weakness of concrete is the lack of elasticity and poor flexural strength considerably limiting its potential, making reinforcing steel constructions necessary. Although the properties of C-S-H could be ...

journal_title：Science advances

authors： Picker A,Nicoleau L,Burghard Z,Bill J,Zlotnikov I,Labbez C,Nonat A,Cölfen H

更新日期：2017-11-29 00:00:00

abstract：:Mineralization is the most fundamental process in vertebrates. It is predominantly mediated by osteoblasts, which secrete mineral precursors, most likely through matrix vesicles (MVs). These vesicular structures are calcium and phosphate rich and contain organic material such as acidic proteins. However, it remains la...

journal_title：Science advances

authors： Iwayama T,Okada T,Ueda T,Tomita K,Matsumoto S,Takedachi M,Wakisaka S,Noda T,Ogura T,Okano T,Fratzl P,Ogura T,Murakami S

更新日期：2019-07-03 00:00:00

abstract：:Ascomycota, the largest and most well-studied phylum of fungi, contains three subphyla: Saccharomycotina (budding yeasts), Pezizomycotina (filamentous fungi), and Taphrinomycotina (fission yeasts). Despite its importance, we lack a comprehensive genome-scale phylogeny or understanding of the similarities and differenc...

journal_title：Science advances

authors： Shen XX,Steenwyk JL,LaBella AL,Opulente DA,Zhou X,Kominek J,Li Y,Groenewald M,Hittinger CT,Rokas A

更新日期：2020-11-04 00:00:00

abstract：:Capabilities for assembly of three-dimensional (3D) micro/nanostructures in advanced materials have important implications across a broad range of application areas, reaching nearly every class of microsystem technology. Approaches that rely on the controlled, compressive buckling of 2D precursors are promising becaus...

journal_title：Science advances

authors： Yan Z,Zhang F,Liu F,Han M,Ou D,Liu Y,Lin Q,Guo X,Fu H,Xie Z,Gao M,Huang Y,Kim J,Qiu Y,Nan K,Kim J,Gutruf P,Luo H,Zhao A,Hwang KC,Huang Y,Zhang Y,Rogers JA

更新日期：2016-09-23 00:00:00

abstract：:The symmetry of metallic nanocolloids, typically envisaged as simple geometrical shapes, is rarely questioned. However, the symmetry considerations are so essential for understanding their electronic structure, optical properties, and biological effects that it is important to reexamine these foundational assumptions ...

journal_title：Science advances

authors： Kim JY,Han MG,Lien MB,Magonov S,Zhu Y,George H,Norris TB,Kotov NA

更新日期：2018-02-09 00:00:00

abstract：:The wings of the black butterfly, Pachliopta aristolochiae, are covered by micro- and nanostructured scales that harvest sunlight over a wide spectral and angular range. Considering that these properties are particularly attractive for photovoltaic applications, we analyze the contribution of these micro- and nanostru...

journal_title：Science advances

authors： Siddique RH,Donie YJ,Gomard G,Yalamanchili S,Merdzhanova T,Lemmer U,Hölscher H

更新日期：2017-10-20 00:00:00

abstract：:Although electromagnetic brain stimulation is a promising treatment in neurology and psychiatry, clinical outcomes are variable, and underlying mechanisms are ill-defined, which impedes the development of new effective stimulation protocols. Here, we show, in vivo and ex vivo, that repetitive transcranial magnetic sti...

journal_title：Science advances

authors： Dufor T,Grehl S,Tang AD,Doulazmi M,Traoré M,Debray N,Dubacq C,Deng ZD,Mariani J,Lohof AM,Sherrard RM

更新日期：2019-10-30 00:00:00

abstract：:Crop diversification required to meet demands for food security and industrial use is often challenged by breeding time and amenability of varieties to genome modification. Cassava is one such crop. Grown for its large starch-rich storage roots, it serves as a staple food and a commodity in the multibillion-dollar sta...

journal_title：Science advances

authors： Bull SE,Seung D,Chanez C,Mehta D,Kuon JE,Truernit E,Hochmuth A,Zurkirchen I,Zeeman SC,Gruissem W,Vanderschuren H

更新日期：2018-09-05 00:00:00

abstract：:Although Al(III) hydrolysis, condensation, and nucleation play pivotal roles in the synthesis of Al-based compounds and determine their chemical behavior, we still lack experimental evidence regarding the chemistry of nucleation from solution. Here, by combining advanced titration assays, high-resolution transmission ...

journal_title：Science advances

authors： Lukić MJ,Wiedenbeck E,Reiner H,Gebauer D

更新日期：2020-06-03 00:00:00

abstract：:NSF (N-ethylmaleimide-sensitive factor) and α-SNAP (α-soluble NSF attachment protein) bind to the SNARE (soluble NSF attachment protein receptor) complex, the minimum machinery to mediate membrane fusion, to form a 20S complex, which disassembles the SNARE complex for reuse. We report the cryo-EM structures of the α-S...

journal_title：Science advances

authors： Huang X,Sun S,Wang X,Fan F,Zhou Q,Lu S,Cao Y,Wang QW,Dong MQ,Yao J,Sui SF

更新日期：2019-04-10 00:00:00

abstract：:LmrA is a bacterial ATP-binding cassette (ABC) multidrug exporter that uses metabolic energy to transport ions, cytotoxic drugs, and lipids. Voltage clamping in a Port-a-Patch was used to monitor electrical currents associated with the transport of monovalent cationic HEPES+ by single-LmrA transporters and ensembles o...

journal_title：Science advances

authors： Agboh K,Lau CHF,Khoo YSK,Singh H,Raturi S,Nair AV,Howard J,Chiapello M,Feret R,Deery MJ,Murakami S,van Veen HW

更新日期：2018-09-19 00:00:00

abstract：:Calcium homeostasis modulator 1 (CALHM1) is a voltage-gated ATP release channel that plays an important role in neural gustatory signaling and the pathogenesis of Alzheimer's disease. Here, we present a cryo-electron microscopy structure of full-length Ca2+-free CALHM1 from Danio rerio at an overall resolution of 3.1 ...

journal_title：Science advances

authors： Ren Y,Wen T,Xi Z,Li S,Lu J,Zhang X,Yang X,Shen Y

更新日期：2020-07-17 00:00:00

abstract：:Massive declines in population abundances of marine animals have been documented over century-long time scales. However, analogous loss of spatial extent of habitat-forming organisms is less well known because georeferenced data are rare over long time scales, particularly in subtidal, tropical marine regions. We use ...

journal_title：Science advances

authors： McClenachan L,O'Connor G,Neal BP,Pandolfi JM,Jackson JBC

更新日期：2017-09-06 00:00:00

abstract：:Polyphosphate, an energy-rich polymer conserved in all kingdoms of life, is integral to many cellular stress responses, including nutrient deprivation, and yet, the mechanisms that underlie its biological roles are not well understood. In this work, we elucidate the physiological function of this polymer in the acclim...

journal_title：Science advances

authors： Sanz-Luque E,Saroussi S,Huang W,Akkawi N,Grossman AR

更新日期：2020-09-30 00:00:00

abstract：:Weyl semimetals are of great interest because they provide the first realization of the Weyl fermion, exhibit exotic quantum anomalies, and host Fermi arc surface states. The separation between Weyl nodes of opposite chirality gives a measure of the robustness of the Weyl semimetal state. To exploit the novel phenomen...

journal_title：Science advances

authors： Chang G,Xu SY,Sanchez DS,Huang SM,Lee CC,Chang TR,Bian G,Zheng H,Belopolski I,Alidoust N,Jeng HT,Bansil A,Lin H,Hasan MZ

更新日期：2016-06-24 00:00:00

abstract：:A new set of time-of-day-dependent global maps of the lunar near-infrared water/hydroxyl (H2O/OH) absorption band strength near 2.8 to 3.0 μm constructed on the basis of Moon Mineralogy Mapper (M3) data is presented. The analyzed absorption band near 2.8 to 3.0 μm indicates the presence of surficial H2O/OH. To remove ...

journal_title：Science advances

authors： Wöhler C,Grumpe A,Berezhnoy AA,Shevchenko VV

更新日期：2017-09-08 00:00:00

abstract：:The formation of the biophotonic gyroid material in butterfly wing scales is an exceptional feat of evolutionary engineering of functional nanostructures. It is hypothesized that this nanostructure forms by chitin polymerization inside a convoluted membrane of corresponding shape in the endoplasmic reticulum. However,...

journal_title：Science advances

authors： Wilts BD,Apeleo Zubiri B,Klatt MA,Butz B,Fischer MG,Kelly ST,Spiecker E,Steiner U,Schröder-Turk GE

更新日期：2017-04-26 00:00:00

abstract：:It is fascinating but challenging for nanoscientists to organize nanoparticles (NPs) into ordered architectures just as it is for chemists to manipulate atoms and molecules to form functional molecules and supramolecules. We explore a strategy to assemble anisotropic NPs into open frame-like superstructures via orient...

journal_title：Science advances

authors： Nai J,Guan BY,Yu L,Lou XWD

更新日期：2017-08-23 00:00:00

abstract：:We examine the low-temperature states supported by the quasiperiodic host-guest structure of elemental bismuth at high pressure, Bi-III. Our electronic transport and magnetization experiments establish Bi-III as a rare example of type II superconductivity in an element, with a record upper critical field of ~ 2.5 T, u...

journal_title：Science advances

authors： Brown P,Semeniuk K,Wang D,Monserrat B,Pickard CJ,Grosche FM

更新日期：2018-04-13 00:00:00

abstract：:Membrane proteins must balance the sequence constraints associated with folding and function against the hydrophobicity required for solvation within the bilayer. We recently found the expression and maturation of rhodopsin are limited by the hydrophobicity of its seventh transmembrane domain (TM7), which contains pol...

journal_title：Science advances

authors： Penn WD,McKee AG,Kuntz CP,Woods H,Nash V,Gruenhagen TC,Roushar FJ,Chandak M,Hemmerich C,Rusch DB,Meiler J,Schlebach JP

更新日期：2020-03-04 00:00:00

abstract：:Myofibroblasts orchestrate wound healing processes, and if they remain activated, they drive disease progression such as fibrosis and cancer. Besides growth factor signaling, the local extracellular matrix (ECM) and its mechanical properties are central regulators of these processes. It remains unknown whether transfo...

journal_title：Science advances

authors： Kollmannsberger P,Bidan CM,Dunlop JWC,Fratzl P,Vogel V

更新日期：2018-01-17 00:00:00