News tagged with dynamical models
From herd immunity and complacency to group panic: How vaccine scares unfold
Worries over vaccine risks can allow preventable contagious diseases, such as measles and whooping cough, to make a comeback. A new study, published in PLoS Computational Biology, shows how to predict ways in which popula ...
Apr 05, 2012 |
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Simulator computes evacuation scenarios for major events
Predicting how large numbers of visitors to major events will behave is difficult. To prevent disasters, however, the police, rescue services and event organizers have to be able to identify dangerous bottlenecks, ...
Technology / Computer Sciences
Mar 01, 2012 |
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To create 2.4 million jobs invest excess corporate cash: study
U.S. corporations have far less cash on hand to invest than popularly believed - but enough to provide a significant economic stimulus and renewed employment growth in the midst of a tepid economic recovery, ...
Other Sciences / Economics & Business
Feb 16, 2012 |
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Stock market network reveals investor clustering
(PhysOrg.com) -- The stock price of a company continuously changes, going up or down depending on the collective activity of a large number of investors. Although this process seems fairly straightforward, ...
Jan 27, 2012 |
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Backing out of the nanotunnel: New method for nucleic acid analysis
Nanopores provide a versatile tool for probing molecular structures. A new German study shows that one can obtain more detailed information about the dynamic behavior of nucleic acids during passage through nanopores by directing ...
Jan 10, 2012 |
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New model more accurately describes migratory animals' extinction risk
Predicting the risk of extinction is a complicated task, especially for species that migrate between breeding and wintering sites. Researchers at the University of Georgia and Tulane University have developed a mathematical ...
Nov 16, 2011 |
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Biocomplexity researchers announce multi-scale model of early embryonic development in vertebrates
(PhysOrg.com) -- Scientists at Indiana University's Biocomplexity Institute have developed a computational model for the intricate cellular dance that occurs during the earliest stages of animal development ...
Oct 21, 2011 |
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Supercomputers may help predict climate changes locally
Even a century ago, scientists working out equations on paper understood that gases in the atmosphere absorbed and emitted energy, keeping Earth from being a ball of ice. Today they use supercomputers to make increasingly ...
Space & Earth / Earth Sciences
Aug 07, 2011 |
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Toucans wearing GPS backpacks help Smithsonian scientists study seed dispersal
Nutmeg-loving toucans wearing GPS transmitters recently helped a team of scientists at the Smithsonian Tropical Research Institute in Panama address an age-old problem in plant ecology: accurately estimating ...
Jul 28, 2011 |
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Long-standing question about swimming in elastic liquids, answered
A biomechanical experiment conducted at the University of Pennsylvania School of Engineering and Applied Science has answered a long-standing theoretical question: Will microorganisms swim faster or slower in elastic fluids? ...
May 18, 2011 |
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Religion on the verge of extinction in many countries: math study
(PhysOrg.com) -- A study recently released by a team from Northwestern University and the University of Arizona shows that religion and religious affiliations may be on the verge of extinction in the nine ...
Mar 23, 2011 |
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Using supercomputers to explore ice sheet dynamics
Recently, Rhode Island-sized chunks of ice have separated from Greenland and Antarctica, garnering worldwide attention. But is this calving due to typical seasonal variations or a long-term warmer world? Climate ...
Space & Earth / Earth Sciences
Feb 28, 2011 |
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Gas rich galaxies confirm prediction of modified gravity theory
(PhysOrg.com) -- Recent data for gas rich galaxies precisely match predictions of a modified theory of gravity know as MOND according to a new analysis by University of Maryland Astronomy Professor Stacy McGaugh. ...
Feb 23, 2011 |
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Archaeologists model past and future landscapes
Archaeology is a vital tool in understanding the long-term consequences of human impact on the environment. Computational modeling can refine that understanding. But according to Arizona State University archaeologist C. ...
Other Sciences / Archaeology & Fossils
Feb 20, 2011 |
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Korean researchers reveal new sea defense model
Military tension between North Korea and the Republic of Korea (South Korea) extends to areas of the Yellow Sea. Now defence experts based in the Republic of Korea have devised improved methods to model underwater warfare, ...
Jan 18, 2011 |
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