Browsing FAS Scholarly Articles by Title
Now showing items 13028-13047 of 18292
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Quantifying fitness distributions and phenotypic relationships in recombinant yeast populations
(Proceedings of the National Academy of Sciences, 2007)Studies of the role of sex in evolution typically involve a longitudinal comparison of a single ancestor to several intermediate descendants and to one terminally evolved descendant after many generations of adaptation ... -
Quantifying Green Life: Grand Challenges in Plant Biophysics and Modeling
(Frontiers Research Foundation, 2011) -
Quantifying Nonspecific TEM -Lactamase (blaTEM) Genes in a Wastewater Stream
(American Society for Microbiology, 2008)To control the antibiotic resistance epidemic, it is necessary to understand the distribution of genetic material encoding antibiotic resistance in the environment and how anthropogenic inputs, such as wastewater, affect ... -
Quantifying Observational Projection Effects Using Molecular Cloud Simulations
(American Astronomical Society, 2013)The physical properties of molecular clouds are often measured using spectral-line observations, which provide the only probes of the clouds' velocity structure. It is hard, though, to assess whether and to what extent ... -
Quantifying resilience to recurrent ecosystem disturbances using flow–kick dynamics
(Springer Nature America, Inc, 2018-11-13)Shifting ecosystem disturbance patterns due to climate change (e.g. storms, droughts, wildfires) or direct human interference (e.g. harvests, nutrient loading) highlight the importance of quantifying and strengthening the ... -
Quantifying Resources in General Resource Theory with Catalysts
(American Physical Society (APS), 2018-11-09)We consider a general resource theory that allows the use of free resource as a catalyst. We show that the amount of `resource' contained in a given state, in the asymptotic scenario, is equal to the regularized relative ... -
Quantifying Stochastic Noise in Cultured Circadian Reporter Cells
(Public Library of Science, 2015)Stochastic noise at the cellular level has been shown to play a fundamental role in circadian oscillations, influencing how groups of cells entrain to external cues and likely serving as the mechanism by which cell-autonomous ... -
Quantifying the Dependence of Westerly Wind Bursts on the Large-Scale Tropical Pacific SST
(American Meteorological Society, 2007)The correlation between parameters characterizing observed westerly wind bursts (WWBs) in the equatorial Pacific and the large-scale SST is analyzed using singular value decomposition. The WWB parameters include the ... -
Quantifying the Eddy–Jet Feedback Strength of the Annular Mode in an Idealized GCM and Reanalysis Data
(American Meteorological Society, 2017)A linear response function (LRF) that relates the temporal tendency of zonal-mean temperature and zonal wind to their anomalies and external forcing is used to accurately quantify the strength of the eddy–jet feedback ... -
Quantifying the Evolutionary Dynamics of Language
(Nature Publishing Group, 2007)Human language is based on grammatical rules. Cultural evolution allows these rules to change over time. Rules compete with each other: as new rules rise to prominence, old ones die away. To quantify the dynamics of language ... -
Quantifying the Fraction of Missing Information for Hypothesis Testing in Statistical and Genetic Studies
(Institute of Mathematical Statistics, 2008)Many practical studies rely on hypothesis testing procedures applied to data sets with missing information. An important part of the analysis is to determine the impact of the missing data on the performance of the test, ... -
Quantifying the impact of an extreme climate event on species diversity in fragmented temperate forests: the effect of the October 1987 storm on British broadleaved woodlands
(Wiley-Blackwell, 2014)We report the impact of an extreme weather event, the October 1987 severe storm, on fragmented woodlands in southern Britain. We analysed ecological changes between 1971 and 2002 in 143 200-m2 plots in 10 woodland sites ... -
Quantifying the relation between adhesion ligand–receptor bond formation and cell phenotype
(National Academy of Sciences, 2006)One of the fundamental interactions in cell biology is the binding of cell receptors to adhesion ligands, and many aspects of cell behavior are believed to be regulated by the number of these bonds that form. Unfortunately, ... -
Quantifying the roles of ecology and geography in spatial genetic divergence
(Wiley-Blackwell, 2012)Investigating the properties of ecological landscapes that influence gene flow among populations can provide key insights into the earliest stages of biological divergence. Both ecological and geographical factors can ... -
Quantifying the Seasonal and Interannual Variability of North American Isoprene Emissions Using Satellite Observations of the Formaldehyde Column
(American Geophysical Union, 2006)Quantifying isoprene emissions using satellite observations of the formaldehyde (HCHO) columns is subject to errors involving the column retrieval and the assumed relationship between HCHO columns and isoprene emissions, ... -
Quantifying the Strategyproofness of Mechanisms via Metrics on Payoff Distributions
(AUAI, CoRR, and ACM Digital Libraries, 2009)Strategyproof mechanisms provide robust equilibrium with minimal assumptions about knowledge and rationality but can be unachievable in combination with other desirable properties such as budget-balance, stability against ... -
Quantifying visual preferences around the world
(Association of Computing Machinery, 2014)Website aesthetics have been recognized as an influential moderator of people's behavior and perception. However, what users perceive as "good design" is subject to individual preferences, questioning the feasibility of ... -
Quantile Regression Analysis of the Distributional Effects of Air Pollution on Blood Pressure, Heart Rate Variability, Blood Lipids, and Biomarkers of Inflammation in Elderly American Men: The Normative Aging Study
(National Institute of Environmental Health Sciences, 2016)Background: Previous studies have observed associations between air pollution and heart disease. Susceptibility to air pollution effects has been examined mostly with a test of effect modification, but little evidence is ... -
Quantile Uncorrelation and Instrumental Regressions
(Walter de Gruyter GmbH, 2012)We introduce a notion of median uncorrelation that is a natural extension of mean (linear) uncorrelation. A scalar random variable Y is median uncorrelated with a k-dimensional random vector X if and only if the slope from ... -
Quantitative Analysis of Culture Using Millions of Digitized Books
(American Association for the Advancement of Science, 2011)We constructed a corpus of digitized texts containing about 4% of all books ever printed. Analysis of this corpus enables us to investigate cultural trends quantitatively. We survey the vast terrain of ‘culturomics,’ ...