Numerical cognition in honeybees enables addition and subtraction.

abstract：:Arthropod herbivores cause substantial economic costs that drive an increasing need to develop environmentally sustainable approaches to herbivore control. Increasing plant diversity is expected to limit herbivory by altering plant-herbivore and predator-herbivore interactions, but the simultaneous influence of these ...

journal_title：Science advances

authors： Barnes AD,Scherber C,Brose U,Borer ET,Ebeling A,Gauzens B,Giling DP,Hines J,Isbell F,Ristok C,Tilman D,Weisser WW,Eisenhauer N

更新日期：2020-11-06 00:00:00

abstract：:Understanding how surfaces direct nucleation is a complex problem that limits our ability to predict and control crystal formation. We here address this challenge using high-speed imaging to identify and quantify the sites at which ice nucleates in water droplets on the two natural cleavage faces of macroscopic feldsp...

journal_title：Science advances

authors： Holden MA,Whale TF,Tarn MD,O'Sullivan D,Walshaw RD,Murray BJ,Meldrum FC,Christenson HK

更新日期：2019-02-01 00:00:00

abstract：:Ants (Hymenoptera: Formicidae) are diverse and ubiquitous, and their ability to sting is familiar to many of us. However, their venoms remain largely unstudied. We provide the first comprehensive characterization of a polypeptidic ant venom, that of the giant red bull ant, Myrmecia gulosa. We reveal a suite of novel p...

journal_title：Science advances

authors： Robinson SD,Mueller A,Clayton D,Starobova H,Hamilton BR,Payne RJ,Vetter I,King GF,Undheim EAB

更新日期：2018-09-12 00:00:00

abstract：:Over the past decade, a growing number of studies have revealed that progressive changes to epigenetic information accompany aging in both dividing and nondividing cells. Functional studies in model organisms and humans indicate that epigenetic changes have a huge influence on the aging process. These epigenetic chang...

journal_title：Science advances

authors： Pal S,Tyler JK

更新日期：2016-07-29 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

abstract：:We analyze a collection of empirical networks in a wide spectrum of disciplines and show that strong non-normality is ubiquitous in network science. Dynamical processes evolving on non-normal networks exhibit a peculiar behavior, as initial small disturbances may undergo a transient phase and be strongly amplified in ...

journal_title：Science advances

authors： Asllani M,Lambiotte R,Carletti T

更新日期：2018-12-12 00:00:00

abstract：:The catalytic activity of alloy nanoparticles depends on the particle size and composition ratio of different metals. Alloy nanoparticles composed of Pd, Pt, and Au are widely used as catalysts for oxidation reactions. The catalytic activities of Pt and Au nanoparticles in oxidation reactions are known to increase as ...

journal_title：Science advances

authors： Takahashi M,Koizumi H,Chun WJ,Kori M,Imaoka T,Yamamoto K

更新日期：2017-07-26 00:00:00

abstract：:Soft robotics may enable many new technologies in which humans and robots physically interact, yet the necessary high-performance soft actuators still do not exist. The optimal soft actuators need to be fast and forceful and have programmable shape changes. Furthermore, they should be energy efficient for untethered a...

journal_title：Science advances

authors： Davidson ZS,Shahsavan H,Aghakhani A,Guo Y,Hines L,Xia Y,Yang S,Sitti M

更新日期：2019-11-22 00:00:00

abstract：:How mechanical forces regulate plant growth is a fascinating and long-standing question. After germination underground, buried seedlings have to dynamically adjust their growth to respond to mechanical stimulation from soil barriers. Here, we designed a lid touch assay and used atomic force microscopy to investigate t...

journal_title：Science advances

authors： Wu Q,Li Y,Lyu M,Luo Y,Shi H,Zhong S

更新日期：2020-11-27 00:00:00

abstract：:Goat domestication was critical for agriculture and civilization, but its underlying genetic changes and selection regimes remain unclear. Here, we analyze the genomes of worldwide domestic goats, wild caprid species, and historical remains, providing evidence of an ancient introgression event from a West Caucasian tu...

journal_title：Science advances

authors： Zheng Z,Wang X,Li M,Li Y,Yang Z,Wang X,Pan X,Gong M,Zhang Y,Guo Y,Wang Y,Liu J,Cai Y,Chen Q,Okpeku M,Colli L,Cai D,Wang K,Huang S,Sonstegard TS,Esmailizadeh A,Zhang W,Zhang T,Xu Y,Xu N,Yang Y,Han J,C

更新日期：2020-05-20 00:00:00

abstract：:Despite the important roles that horses have played in human history, particularly in the spread of languages and cultures, and correspondingly intensive research on this topic, the origin of domestic horses remains elusive. Several domestication centers have been hypothesized, but most of these have been invalidated ...

journal_title：Science advances

authors： Guimaraes S,Arbuckle BS,Peters J,Adcock SE,Buitenhuis H,Chazin H,Manaseryan N,Uerpmann HP,Grange T,Geigl EM

更新日期：2020-09-16 00:00:00

abstract：:The source regions of mid-ocean ridge basalts (MORB) are heterogeneous, consisting of chemically and lithologically distinct domains of variable size. Partial melting of such heterogeneous mantle sources gives rise to diverse isotopic compositions of MORB and abyssal peridotites. Variations in radiogenic isotope ratio...

journal_title：Science advances

authors： Liu B,Liang Y

更新日期：2017-11-22 00:00:00

abstract：:It has been proposed that Mars' moons formed from a disk produced by a large impact with the planet. However, whether such an event could produce tiny Phobos and Deimos remains unclear. Using a hybrid N-body model of moon accumulation that includes a full treatment of moon-moon dynamical interactions, we first identif...

journal_title：Science advances

authors： Canup R,Salmon J

更新日期：2018-04-18 00:00:00

abstract：:Cytosolic RNA sensing is a prerequisite for initiation of innate immune response against RNA viral pathogens. Signaling through RIG-I (retinoic acid-inducible gene I)-like receptors (RLRs) to TBK1 (Tank-binding kinase 1)/IKKε (IκB kinase ε) kinases is transduced by mitochondria-associated MAVS (mitochondrial antiviral...

journal_title：Science advances

authors： Xiang W,Zhang Q,Lin X,Wu S,Zhou Y,Meng F,Fan Y,Shen T,Xiao M,Xia Z,Zou J,Feng XH,Xu P

更新日期：2016-07-01 00:00:00

abstract：:Interactions between top-down and bottom-up processes in the cerebral cortex hold the key to understanding attentional processes, predictive coding, executive control, and a gamut of other brain functions. However, the underlying circuit mechanism remains poorly understood and represents a major challenge in neuroscie...

journal_title：Science advances

authors： Mejias JF,Murray JD,Kennedy H,Wang XJ

更新日期：2016-11-16 00:00:00

abstract：:Spider silk fiber rapidly assembles from spidroin protein in soluble state via an incompletely understood mechanism. Here, we present an integrated model for silk formation that incorporates the effects of multiple chemical and physical gradients on the different spidroin functional domains. Central to the process is ...

journal_title：Science advances

authors： Malay AD,Suzuki T,Katashima T,Kono N,Arakawa K,Numata K

更新日期：2020-11-04 00:00:00

abstract：:Dynamic modulation of soft helix in terms of the molecular organization, handedness, and pitch length could result in a sophisticated control over its functions, opening numerous possibilities toward the exploration of previously unidentified applications. Here, we report a dynamic and reversible transformation of a s...

journal_title：Science advances

authors： Yuan CL,Huang W,Zheng ZG,Liu B,Bisoyi HK,Li Y,Shen D,Lu Y,Li Q

更新日期：2019-10-04 00:00:00

abstract：:The miraculously preserved 2000-year-old Dead Sea Scrolls, ancient texts of invaluable historical significance, were discovered in the mid-20th century in the caves of the Judean desert. The texts were mainly written on parchment and exhibit vast diversity in their states of preservation. One particular scroll, the 8-...

journal_title：Science advances

authors： Schuetz R,Maragh JM,Weaver JC,Rabin I,Masic A

更新日期：2019-09-06 00:00:00

abstract：:Adaptation is a fundamental property of sensory systems that can change subjective experiences in the context of recent information. Adaptation has been postulated to arise from recurrent circuit mechanisms or as a consequence of neuronally intrinsic suppression. However, it is unclear whether intrinsic suppression by...

journal_title：Science advances

authors： Vinken K,Boix X,Kreiman G

更新日期：2020-10-14 00:00:00

abstract：:Plasmonic metasurfaces are a promising route for flat panel display applications due to their full color gamut and high spatial resolution. However, this plasmonic coloration cannot be readily tuned and requires expensive lithographic techniques. Here, we present scalable electrically driven color-changing metasurface...

journal_title：Science advances

authors： Peng J,Jeong HH,Lin Q,Cormier S,Liang HL,De Volder MFL,Vignolini S,Baumberg JJ

更新日期：2019-05-10 00:00:00

abstract：:Silicic volcanic activity has long been framed as either violently explosive or gently effusive. However, recent observations demonstrate that explosive and effusive behavior can occur simultaneously. Here, we propose that rhyolitic magma feeding subaerial eruptions generally fragments during ascent through the upper ...

journal_title：Science advances

authors： Wadsworth FB,Llewellin EW,Vasseur J,Gardner JE,Tuffen H

更新日期：2020-09-23 00:00:00

abstract：:In vitro selection of antibodies from large repertoires of immunoglobulin (Ig) combining sites using combinatorial libraries is a powerful tool, with great potential for generating in vivo scavengers for toxins. However, addition of a maturation function is necessary to enable these selected antibodies to more closely...

journal_title：Science advances

authors： Smirnov IV,Golovin AV,Chatziefthimiou SD,Stepanova AV,Peng Y,Zolotareva OI,Belogurov AA Jr,Kurkova IN,Ponomarenko NA,Wilmanns M,Blackburn GM,Gabibov AG,Lerner RA

更新日期：2016-10-19 00:00:00

abstract：:Homologous recombination is exquisitely activated only during specific cell phases. In the G1 phase, homologous recombination activity is completely suppressed. According to previous reports, the activation of homologous recombination during specific cell phases depends on the kinase activity of cyclin-dependent kinas...

journal_title：Science advances

authors： Lim G,Chang Y,Huh WK

更新日期：2020-02-07 00:00:00

abstract：:Estimating minimum ice volume during the last interglacial based on local sea-level indicators requires that these indicators are corrected for processes that alter local sea level relative to the global average. Although glacial isostatic adjustment is generally accounted for, global scale dynamic changes in topograp...

journal_title：Science advances

authors： Austermann J,Mitrovica JX,Huybers P,Rovere A

更新日期：2017-07-07 00:00:00

abstract：:The first example of a homogeneous silver(I)-catalyzed aerobic oxidation of aldehydes in water is reported. More than 50 examples of different aliphatic and aromatic aldehydes, including natural products, were tested, and all of them successfully underwent aerobic oxidation to give the corresponding carboxylic acids i...

journal_title：Science advances

authors： Liu M,Wang H,Zeng H,Li CJ

更新日期：2015-03-27 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：:Efforts at altering the dismal prognosis of pediatric midline gliomas focus on direct delivery strategies like convection-enhanced delivery (CED), where a cannula is implanted into tumor. Successful CED treatments require confirmation of tumor coverage, dosimetry, and longitudinal in vivo pharmacokinetic monitoring. T...

journal_title：Science advances

authors： Tosi U,Kommidi H,Adeuyan O,Guo H,Maachani UB,Chen N,Su T,Zhang G,Pisapia DJ,Dahmane N,Ting R,Souweidane MM

更新日期：2020-07-24 00:00:00

abstract：:The notorious ~60° bend separating the Hawaiian and Emperor chains marked a prominent change in the motion of the Pacific plate at ~47 Ma (million years ago), but the origin of that change remains an outstanding controversy that bears on the nature of major plate reorganizations. Lesser known but equally significant i...

journal_title：Science advances

authors： Domeier M,Shephard GE,Jakob J,Gaina C,Doubrovine PV,Torsvik TH

更新日期：2017-11-08 00:00:00

abstract：:Helicobacter pylori is a leading cause of peptic ulceration and gastric cancer worldwide. To achieve colonization of the stomach, this Gram-negative bacterium adheres to Lewis(b) (Le(b)) antigens in the gastric mucosa using its outer membrane protein BabA. Structural information for BabA has been elusive, and thus, it...

journal_title：Science advances

authors： Hage N,Howard T,Phillips C,Brassington C,Overman R,Debreczeni J,Gellert P,Stolnik S,Winkler GS,Falcone FH

更新日期：2015-08-14 00:00:00

abstract：:Marine ecosystems are responsible for virtually all production of omega-3 (ω3) long-chain polyunsaturated fatty acids (PUFA), which are essential nutrients for vertebrates. Current consensus is that marine microbes account for this production, given their possession of key enzymes including methyl-end (or "ωx") desatu...

journal_title：Science advances

authors： Kabeya N,Fonseca MM,Ferrier DEK,Navarro JC,Bay LK,Francis DS,Tocher DR,Castro LFC,Monroig Ó

更新日期：2018-05-02 00:00:00