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View article: Early Transmission Dynamics in Wuhan, China, of Novel Coronavirus–Infected Pneumonia
Early Transmission Dynamics in Wuhan, China, of Novel Coronavirus–Infected Pneumonia Open
On the basis of this information, there is evidence that human-to-human transmission has occurred among close contacts since the middle of December 2019. Considerable efforts to reduce transmission will be required to control outbreaks if …
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Joint effect of ageing and multilayer structure prevents ordering in the voter model Open
The voter model rules are simple, with agents copying the state of a random neighbor, but they lead to non-trivial dynamics. Besides opinion processes, the model has also applications for catalysis and species competition. Inspired by the …
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Scalable molecular dynamics on CPU and GPU architectures with NAMD Open
NAMD is a molecular dynamics program designed for high-performance simulations of very large biological objects on CPU- and GPU-based architectures. NAMD offers scalable performance on petascale parallel supercomputers consisting of hundre…
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Early dynamics of transmission and control of COVID-19: a mathematical modelling study Open
Wellcome Trust, Health Data Research UK, Bill & Melinda Gates Foundation, and National Institute for Health Research.
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Deep Potential Molecular Dynamics: A Scalable Model with the Accuracy of Quantum Mechanics Open
We introduce a scheme for molecular simulations, the deep potential molecular dynamics (DPMD) method, based on a many-body potential and interatomic forces generated by a carefully crafted deep neural network trained with ab initio data. T…
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The echo chamber effect on social media Open
Significance We explore the key differences between the main social media platforms and how they are likely to influence information spreading and the formation of echo chambers. To assess the different dynamics, we perform a comparative a…
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OpenSim: Simulating musculoskeletal dynamics and neuromuscular control to study human and animal movement Open
Movement is fundamental to human and animal life, emerging through interaction of complex neural, muscular, and skeletal systems. Study of movement draws from and contributes to diverse fields, including biology, neuroscience, mechanics, a…
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EEG microstates as a tool for studying the temporal dynamics of whole-brain neuronal networks: A review Open
The present review discusses a well-established method for characterizing resting-state activity of the human brain using multichannel electroencephalography (EEG). This method involves the examination of electrical microstates in the brai…
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The Global Ecosystem Dynamics Investigation: High-resolution laser ranging of the Earth’s forests and topography Open
Obtaining accurate and widespread measurements of the vertical structure of the Earths forests has been a longsought goal for the ecological community. Such observations are critical for accurately assessing the existing biomass of forests…
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Word embeddings quantify 100 years of gender and ethnic stereotypes Open
Significance Word embeddings are a popular machine-learning method that represents each English word by a vector, such that the geometry between these vectors captures semantic relations between the corresponding words. We demonstrate that…
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How long will it take? Conceptualizing the temporal dynamics of energy transitions Open
Transitioning away from our current global energy system is of paramount importance. The speed at which a transition can take place—its timing, or temporal dynamics—is a critical element of consideration. This study therefore investigates …
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Investigating Non-Newtonian Fluid Behavior in Hydrocyclones Via Computational Fluid Dynamics Open
Expert researchers examine complex patterns of pressure, viscosity, and velocity in a CFD study of viscoelastic food inside hydrocyclones to obtain a detailed grasp of particle behavior and fluid dynamics. Velocity profiles show how fluids…
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Brain network dynamics are hierarchically organized in time Open
Significance We address the important question of the temporal organization of large-scale brain networks, finding that the spontaneous transitions between networks of interacting brain areas are predictable. More specifically, the network…
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Generating Videos with Scene Dynamics Open
We capitalize on large amounts of unlabeled video in order to learn a model of scene dynamics for both video recognition tasks (e.g. action classification) and video generation tasks (e.g. future prediction). We propose a generative advers…
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The effect of using Kahoot! for learning – A literature review Open
Kahoot! is a game-based learning platform used to review students' knowledge, for formative assessment or as a break from traditional classroom activities. It is among the most popular game-based learning platforms, with 70 million monthly…
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Valley-polarized exciton dynamics in a 2D semiconductor heterostructure Open
Stacking to prolong valley lifetime In the material MoSe 2 , which, like graphene, has a two-dimensional honeycomb crystal lattice, the electronic structure has two “valleys.” Electrons can be distinguished by the valley they reside in, ma…
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Recurrent Recommender Networks Open
Recommender systems traditionally assume that user profiles and movie attributes are static. Temporal dynamics are purely reactive, that is, they are inferred after they are observed, e.g. after a user's taste has changed or based on hand-…
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Modeling the dynamics of novel coronavirus (2019-nCov) with fractional derivative Open
The present paper describes the mathematical modeling and dynamics of a novel corona virus (2019-nCoV). We describe the brief details of interaction among the bats and unknown hosts, then among the peoples and the infections reservoir (sea…
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Forest microbiome: diversity, complexity and dynamics Open
Globally, forests represent highly productive ecosystems that act as carbon sinks where soil organic matter is formed from residuals after biomass decomposition as well as from rhizodeposited carbon. Forests exhibit a high level of spatial…
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Polariton chemistry: controlling molecular dynamics with optical cavities Open
Strong coupling of molecules with confined electromagnetic fields provides novel strategies to control chemical reactivity and spectroscopy.
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Covasim: An agent-based model of COVID-19 dynamics and interventions Open
The COVID-19 pandemic has created an urgent need for models that can project epidemic trends, explore intervention scenarios, and estimate resource needs. Here we describe the methodology of Covasim (COVID-19 Agent-based Simulator), an ope…
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Integrating evolutionary dynamics into treatment of metastatic castrate-resistant prostate cancer Open
Abiraterone treats metastatic castrate-resistant prostate cancer by inhibiting CYP17A, an enzyme for testosterone auto-production. With standard dosing, evolution of resistance with treatment failure (radiographic progression) occurs at a …
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Establishment and lineage dynamics of the SARS-CoV-2 epidemic in the UK Open
Lineage dynamics The scale of genome-sequencing efforts for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is unprecedented. The United Kingdom has contributed more than 26,000 sequences to this effort. This volume of data al…
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Unitary-projective entanglement dynamics Open
Starting from a state of low quantum entanglement, local unitary time\nevolution increases the entanglement of a quantum many-body system. In\ncontrast, local projective measurements disentangle degrees of freedom and\ndecrease entanglemen…
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Dynamics of CTCF- and cohesin-mediated chromatin looping revealed by live-cell imaging Open
Animal genomes are folded into loops and topologically associating domains (TADs) by CTCF and loop-extruding cohesins, but the live dynamics of loop formation and stability remain unknown. Here, we directly visualized chromatin looping at …
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Controlling interdependent meso-nanosecond dynamics and defect generation in metal 3D printing Open
Circumventing spatter Laser powder bed fusion is an additive manufacturing technique that laser-melts powder layer by layer to build a three-dimensional (3D) part. Khairallah et al. used experiments and a multiphysics model to determine th…
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Generating Videos with Scene Dynamics Open
We capitalize on large amounts of unlabeled video in order to learn a model of scene dynamics for both video recognition tasks (e.g. action classification) and video generation tasks (e.g. future prediction). We propose a generative advers…
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GPU-Accelerated Molecular Dynamics and Free Energy Methods in Amber18: Performance Enhancements and New Features Open
We report progress in graphics processing unit (GPU)-accelerated molecular dynamics and free energy methods in Amber18. Of particular interest is the development of alchemical free energy algorithms, including free energy perturbation and …
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Dynamics of epigenetic regulation at the single-cell level Open
Quantitative analysis of epigenetic memory To explore quantitative and dynamic properties of transcriptional regulation by epigenetic modifications, Bintu et al. monitored a transcriptional reporter gene carried on a human artificial chrom…
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Quantum-classical computation of Schwinger model dynamics using quantum computers Open
We present a quantum-classical algorithm to study the dynamics of the\ntwo-spatial-site Schwinger model on IBM's quantum computers. Using rotational\nsymmetries, total charge, and parity, the number of qubits needed to perform\ncomputation…