Mathematical Modeling News -- ScienceDaily
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Math modeling. Browse research on mathematical models. Read about math models explaining the shape of the ear, stock performance, musical expression, diseases and more.en-usWed, 23 Apr 2014 18:11:22 EDTWed, 23 Apr 2014 18:11:22 EDT60ScienceDailyMathematical Modeling Newshttp://www.sciencedaily.com/images/scidaily-logo-rss.png
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For more science news, visit ScienceDaily.sciencedaily/computers_math/mathematical_modelinghttp://feedburner.google.comMapping the road to quantum gravity
http://feeds.sciencedaily.com/~r/sciencedaily/computers_math/mathematical_modeling/~3/siadpio2cD4/140423150939.htm
The road uniting quantum field theory and general relativity -- the two great theories of modern physics -- has been impassable for 80 years. Could a tool from condensed matter physics finally help map the way?<img src="http://feeds.feedburner.com/~r/sciencedaily/computers_math/mathematical_modeling/~4/siadpio2cD4" height="1" width="1"/>Wed, 23 Apr 2014 15:09:39 EDThttp://www.sciencedaily.com/releases/2014/04/140423150939.htmhttp://www.sciencedaily.com/releases/2014/04/140423150939.htmComputer simulations help predict effective drug candidates
http://feeds.sciencedaily.com/~r/sciencedaily/computers_math/mathematical_modeling/~3/miYP6xYPpBw/140421135928.htm
Using computer simulations to predict which drug candidates offer the greatest potential has thus far not been very reliable, because both small drug-like molecules and the amino acids of proteins vary so much in their chemistry. Researchers have now cunningly managed to develop a method that has proven to be precise, reliable and general.<img src="http://feeds.feedburner.com/~r/sciencedaily/computers_math/mathematical_modeling/~4/miYP6xYPpBw" height="1" width="1"/>Mon, 21 Apr 2014 13:59:28 EDThttp://www.sciencedaily.com/releases/2014/04/140421135928.htmhttp://www.sciencedaily.com/releases/2014/04/140421135928.htmComputational method dramatically speeds up estimates of gene expression
http://feeds.sciencedaily.com/~r/sciencedaily/computers_math/mathematical_modeling/~3/bfoTiIsamOs/140420131806.htm
With gene expression analysis growing in importance for both basic researchers and medical practitioners, researchers have developed a new computational method that dramatically speeds up estimates of gene activity from RNA sequencing data. With the new method, dubbed Sailfish after the famously speedy fish, estimates of gene expression that previously took many hours can be completed in a few minutes, with accuracy that equals or exceeds previous methods.<img src="http://feeds.feedburner.com/~r/sciencedaily/computers_math/mathematical_modeling/~4/bfoTiIsamOs" height="1" width="1"/>Sun, 20 Apr 2014 13:18:06 EDThttp://www.sciencedaily.com/releases/2014/04/140420131806.htmhttp://www.sciencedaily.com/releases/2014/04/140420131806.htmTracking flu levels with Wikipedia
http://feeds.sciencedaily.com/~r/sciencedaily/computers_math/mathematical_modeling/~3/bXklDPhkg0M/140417191626.htm
Can monitoring Wikipedia hits show how many people have the flu? Researchers have developed a method of estimating levels of influenza-like illness in the American population by analyzing Internet traffic on specific flu-related Wikipedia articles.<img src="http://feeds.feedburner.com/~r/sciencedaily/computers_math/mathematical_modeling/~4/bXklDPhkg0M" height="1" width="1"/>Thu, 17 Apr 2014 19:16:26 EDThttp://www.sciencedaily.com/releases/2014/04/140417191626.htmhttp://www.sciencedaily.com/releases/2014/04/140417191626.htmFear of the cuckoo mafia: In fear of retaliation, birds accept and raise brood parasites' young
http://feeds.sciencedaily.com/~r/sciencedaily/computers_math/mathematical_modeling/~3/YzMEIhigHxU/140417124507.htm
If a restaurant owner fails to pay the 'protection money' demanded of him by the mob, he can expect his premises to be trashed. Warnings like these are seldom required, however, as fear of the consequences is enough to make restaurant owners pay up. Similarly, mafia-like behavior is observed in parasitic birds, which lay their eggs in other birds' nests. If the host birds throw the cuckoo's egg out, the brood parasites take their revenge by destroying the entire nest. Consequently, it is beneficial for hosts to be capable of learning and to cooperate. Previously seen only in field observations, scientists have now modeled this behavior mathematically to confirm it as an effective strategy.<img src="http://feeds.feedburner.com/~r/sciencedaily/computers_math/mathematical_modeling/~4/YzMEIhigHxU" height="1" width="1"/>Thu, 17 Apr 2014 12:45:07 EDThttp://www.sciencedaily.com/releases/2014/04/140417124507.htmhttp://www.sciencedaily.com/releases/2014/04/140417124507.htmNet neutrality balancing act
http://feeds.sciencedaily.com/~r/sciencedaily/computers_math/mathematical_modeling/~3/FgDbGIlwnho/140416090527.htm
Researchers have demonstrated that net neutrality benefits content creator and consumers without compromising provider innovation nor profits. There is a war raging online between those who wish to modulate, control and throttle the flow of information, usually the internet service providers and content creators and consumers who seek neutrality. Net neutrality is the principle on which open democracy and social benefits of the communication age can best be played out, the latter two parties argue. Governments and regulatory authorities must guarantee net neutrality in other words.<img src="http://feeds.feedburner.com/~r/sciencedaily/computers_math/mathematical_modeling/~4/FgDbGIlwnho" height="1" width="1"/>Wed, 16 Apr 2014 09:05:27 EDThttp://www.sciencedaily.com/releases/2014/04/140416090527.htmhttp://www.sciencedaily.com/releases/2014/04/140416090527.htmSurgeons develop personalized 3-D printed kidney to simulate surgery prior to cancer operation
http://feeds.sciencedaily.com/~r/sciencedaily/computers_math/mathematical_modeling/~3/9ILhaNhysvA/140414100801.htm
For the first time, surgeons have used 3-D printing to produce exact models of tumor-containing kidneys, allowing them to simulate surgery prior to the real operation. These models can be personalized to each patient, giving doctors a 3-D model of each individual’s tumor. The ability to produce exact 3-dimensional models of objects means that 3D printing is set to revolutionize many fields.<img src="http://feeds.feedburner.com/~r/sciencedaily/computers_math/mathematical_modeling/~4/9ILhaNhysvA" height="1" width="1"/>Mon, 14 Apr 2014 10:08:01 EDThttp://www.sciencedaily.com/releases/2014/04/140414100801.htmhttp://www.sciencedaily.com/releases/2014/04/140414100801.htmOdds that global warming is due to natural factors: Slim to none
http://feeds.sciencedaily.com/~r/sciencedaily/computers_math/mathematical_modeling/~3/NJJ_1ohuarc/140411153453.htm
An analysis of temperature data since 1500 all but rules out the possibility that global warming in the industrial era is just a natural fluctuation in the earth’s climate, according to a new study.<img src="http://feeds.feedburner.com/~r/sciencedaily/computers_math/mathematical_modeling/~4/NJJ_1ohuarc" height="1" width="1"/>Fri, 11 Apr 2014 15:34:53 EDThttp://www.sciencedaily.com/releases/2014/04/140411153453.htmhttp://www.sciencedaily.com/releases/2014/04/140411153453.htm3-D printing cancer cells to mimic tumors
http://feeds.sciencedaily.com/~r/sciencedaily/computers_math/mathematical_modeling/~3/1kWIdnvgZZY/140410194613.htm
A 3-D model of a cancerous tumor using a 3-D printer has been successfully created by researchers. The model consists of a grid structure, 10 mm in width and length, made from gelatin, alginate and fibrin, which recreates the fibrous proteins that make up the extracellular matrix of a tumor. "With further understanding of these 3D models, we can use them to study the development, invasion, metastasis and treatment of cancer using specific cancer cells from patients. We can also use these models to test the efficacy and safety of new cancer treatment therapies and new cancer drugs," the lead author stated.<img src="http://feeds.feedburner.com/~r/sciencedaily/computers_math/mathematical_modeling/~4/1kWIdnvgZZY" height="1" width="1"/>Thu, 10 Apr 2014 19:46:13 EDThttp://www.sciencedaily.com/releases/2014/04/140410194613.htmhttp://www.sciencedaily.com/releases/2014/04/140410194613.htm'Body hack' app by math researchers shortcuts jet-lag recovery
http://feeds.sciencedaily.com/~r/sciencedaily/computers_math/mathematical_modeling/~3/1jgCcepw9JQ/140410194609.htm
A different kind of jet-lag mobile app released today by mathematicians reveals previously unknown shortcuts that can help travelers snap their internal clocks to new time zones as efficiently as possible.<img src="http://feeds.feedburner.com/~r/sciencedaily/computers_math/mathematical_modeling/~4/1jgCcepw9JQ" height="1" width="1"/>Thu, 10 Apr 2014 19:46:09 EDThttp://www.sciencedaily.com/releases/2014/04/140410194609.htmhttp://www.sciencedaily.com/releases/2014/04/140410194609.htmVirus structure inspires novel understanding of onion-like carbon nanoparticles
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Symmetry is ubiquitous in the natural world. It occurs in gemstones and snowflakes and even in biology, an area typically associated with complexity and diversity. There are striking examples: the shapes of virus particles, such as those causing the common cold, are highly symmetrical and look like tiny footballs.<img src="http://feeds.feedburner.com/~r/sciencedaily/computers_math/mathematical_modeling/~4/ChovUhkuMdw" height="1" width="1"/>Thu, 10 Apr 2014 12:22:16 EDThttp://www.sciencedaily.com/releases/2014/04/140410122216.htmhttp://www.sciencedaily.com/releases/2014/04/140410122216.htmShould you trust your financial advisor? Pseudo-mathematics and financial charlatanism
http://feeds.sciencedaily.com/~r/sciencedaily/computers_math/mathematical_modeling/~3/lhXigx1sG68/140410103005.htm
Your financial advisor calls you up to suggest a new investment scheme. Drawing on 20 years of data, he has set his computer to work on this question: If you had invested according to this scheme in the past, which portfolio would have been the best? His computer assembled thousands of such simulated portfolios and calculated for each one an industry-standard measure of return on risk. Out of this gargantuan calculation, your advisor has chosen the optimal portfolio. After briefly reminding you of the oft-repeated slogan that "past performance is not an indicator of future results," the advisor enthusiastically recommends the portfolio, noting that it is based on sound mathematical methods. Should you invest?<img src="http://feeds.feedburner.com/~r/sciencedaily/computers_math/mathematical_modeling/~4/lhXigx1sG68" height="1" width="1"/>Thu, 10 Apr 2014 10:30:05 EDThttp://www.sciencedaily.com/releases/2014/04/140410103005.htmhttp://www.sciencedaily.com/releases/2014/04/140410103005.htmHedge funds generally make financial markets work more smoothly, expert argues
http://feeds.sciencedaily.com/~r/sciencedaily/computers_math/mathematical_modeling/~3/NJhmikVy2dE/140409094038.htm
Financial markets generally work better thanks to so called “hedge” funds. “Although hedge funds are not well understood by the general public, they provide many important services to the wider economy,” said an expert.<img src="http://feeds.feedburner.com/~r/sciencedaily/computers_math/mathematical_modeling/~4/NJhmikVy2dE" height="1" width="1"/>Wed, 09 Apr 2014 09:40:38 EDThttp://www.sciencedaily.com/releases/2014/04/140409094038.htmhttp://www.sciencedaily.com/releases/2014/04/140409094038.htmTechnical tests of biodiversity: When physicists play with genetics of populations
http://feeds.sciencedaily.com/~r/sciencedaily/computers_math/mathematical_modeling/~3/HLs79WDnkeM/140409093943.htm
The effect of migration on biodiversity (intended as the coexistence of different genetic traits) is an open question: does migration increase or decrease the genetic variability of populations? Or is the relationship more complex than that? A team of physicists has developed and analyzed a model that simulates the effect of migration on the genetic biodiversity of populations, and discovered that the effect is all but trivial.<img src="http://feeds.feedburner.com/~r/sciencedaily/computers_math/mathematical_modeling/~4/HLs79WDnkeM" height="1" width="1"/>Wed, 09 Apr 2014 09:39:43 EDThttp://www.sciencedaily.com/releases/2014/04/140409093943.htmhttp://www.sciencedaily.com/releases/2014/04/140409093943.htmIs the U.S. power grid too big?
http://feeds.sciencedaily.com/~r/sciencedaily/computers_math/mathematical_modeling/~3/fMH0uGeaTeU/140408121922.htm
Researchers are asking whether there is a "right" size for the U.S. power grid; they believe that smaller grids would reduce the likelihood of severe outages, such as the 2003 Northeast blackout, likening the grid behavior to sandpiles: “Sandpiles are stable until you get to a certain height. Then you add one more grain and the whole thing starts to avalanche.”<img src="http://feeds.feedburner.com/~r/sciencedaily/computers_math/mathematical_modeling/~4/fMH0uGeaTeU" height="1" width="1"/>Tue, 08 Apr 2014 12:19:22 EDThttp://www.sciencedaily.com/releases/2014/04/140408121922.htmhttp://www.sciencedaily.com/releases/2014/04/140408121922.htmMethod offers potential for understanding anti-bacterial resistance
http://feeds.sciencedaily.com/~r/sciencedaily/computers_math/mathematical_modeling/~3/VLq4L5umMsA/140408074829.htm
Biologists could gain a deeper understanding about how species have evolved -- and even find ways to address antibiotic resistance -- using tools that were recently developed. By basing their methods on mathematical models and Bayesian analysis, the researchers succeeded in producing tools for biologists who are interested in jumping genes and the traits they carry with them.<img src="http://feeds.feedburner.com/~r/sciencedaily/computers_math/mathematical_modeling/~4/VLq4L5umMsA" height="1" width="1"/>Tue, 08 Apr 2014 07:48:29 EDThttp://www.sciencedaily.com/releases/2014/04/140408074829.htmhttp://www.sciencedaily.com/releases/2014/04/140408074829.htmSynthetic genetic clock keeps accurate time across a range of temperatures
http://feeds.sciencedaily.com/~r/sciencedaily/computers_math/mathematical_modeling/~3/rl5iE1krK-8/140404140403.htm
A long-standing challenge in synthetic biology has been to create gene circuits that behave in predictable and robust ways. Mathematical modeling experts and experimental biologists have now created a synthetic genetic clock that keeps accurate time across a range of temperatures.<img src="http://feeds.feedburner.com/~r/sciencedaily/computers_math/mathematical_modeling/~4/rl5iE1krK-8" height="1" width="1"/>Fri, 04 Apr 2014 14:04:03 EDThttp://www.sciencedaily.com/releases/2014/04/140404140403.htmhttp://www.sciencedaily.com/releases/2014/04/140404140403.htmComputer models soybean crop with 8.5 percent more productivity, using 13 percent less water
http://feeds.sciencedaily.com/~r/sciencedaily/computers_math/mathematical_modeling/~3/yJrs50IyEiI/140403132355.htm
Crops that produce more while using less water seem like a dream for a world with a burgeoning population and already strained resources. This dream is closer to reality for researchers who developed a new computer model to help plant scientists breed better soybean crops. The model predicts a soybean crop with 8.5 percent more productivity, but using 13 percent less water, by breeding for slightly different leaf distribution, angles and reflectivity.<img src="http://feeds.feedburner.com/~r/sciencedaily/computers_math/mathematical_modeling/~4/yJrs50IyEiI" height="1" width="1"/>Thu, 03 Apr 2014 13:23:55 EDThttp://www.sciencedaily.com/releases/2014/04/140403132355.htmhttp://www.sciencedaily.com/releases/2014/04/140403132355.htm'Unbreakable' security codes inspired by nature
http://feeds.sciencedaily.com/~r/sciencedaily/computers_math/mathematical_modeling/~3/816NSN-yqEs/140403132111.htm
A revolutionary new method of encrypting confidential information has been patented by scientists inspired by their discoveries from human biology, which model how the heart and lungs coordinate their rhythms by passing information between each other.<img src="http://feeds.feedburner.com/~r/sciencedaily/computers_math/mathematical_modeling/~4/816NSN-yqEs" height="1" width="1"/>Thu, 03 Apr 2014 13:21:11 EDThttp://www.sciencedaily.com/releases/2014/04/140403132111.htmhttp://www.sciencedaily.com/releases/2014/04/140403132111.htmOvercoming structural uncertainty in computer models
http://feeds.sciencedaily.com/~r/sciencedaily/computers_math/mathematical_modeling/~3/aAcigoDtqWE/140401112121.htm
A computer model is a representation of the functional relationship between one set of parameters, which forms the model input, and a corresponding set of target parameters, which forms the model output. A true model for a particular problem can rarely be defined with certainty. The most we can do to mitigate error is to quantify the uncertainty in the model. Scientists have now offered a method to incorporate judgments into a model about structural uncertainty that results from building an 'incorrect' model.<img src="http://feeds.feedburner.com/~r/sciencedaily/computers_math/mathematical_modeling/~4/aAcigoDtqWE" height="1" width="1"/>Tue, 01 Apr 2014 11:21:21 EDThttp://www.sciencedaily.com/releases/2014/04/140401112121.htmhttp://www.sciencedaily.com/releases/2014/04/140401112121.htmComputer maps 21 distinct emotional expressions -- even 'happily disgusted'
http://feeds.sciencedaily.com/~r/sciencedaily/computers_math/mathematical_modeling/~3/9Y5mk9beMmI/140331153518.htm
Researchers have found a way for computers to recognize 21 distinct facial expressions -- even expressions for complex or seemingly contradictory emotions such as “happily disgusted” or “sadly angry.” The study more than triples the number of documented facial expressions that researchers can now use for cognitive analysis.<img src="http://feeds.feedburner.com/~r/sciencedaily/computers_math/mathematical_modeling/~4/9Y5mk9beMmI" height="1" width="1"/>Mon, 31 Mar 2014 15:35:18 EDThttp://www.sciencedaily.com/releases/2014/03/140331153518.htmhttp://www.sciencedaily.com/releases/2014/03/140331153518.htmMathematician releases 2014 Major League Baseball projections
http://feeds.sciencedaily.com/~r/sciencedaily/computers_math/mathematical_modeling/~3/jntR7ZV7wqw/140327142451.htm
As Opening Day rapidly approaches for most Major League Baseball teams, a professor has prepared his annual MLB projections for the upcoming season.<img src="http://feeds.feedburner.com/~r/sciencedaily/computers_math/mathematical_modeling/~4/jntR7ZV7wqw" height="1" width="1"/>Thu, 27 Mar 2014 14:24:51 EDThttp://www.sciencedaily.com/releases/2014/03/140327142451.htmhttp://www.sciencedaily.com/releases/2014/03/140327142451.htmData mining disaster: Computer technology can mine data from social media during disasters
http://feeds.sciencedaily.com/~r/sciencedaily/computers_math/mathematical_modeling/~3/UGuXk84W7Ls/140327100614.htm
Computer technology that can mine data from social media during times of natural or other disaster could provide invaluable insights for rescue workers and decision makers, according to scientists.<img src="http://feeds.feedburner.com/~r/sciencedaily/computers_math/mathematical_modeling/~4/UGuXk84W7Ls" height="1" width="1"/>Thu, 27 Mar 2014 10:06:14 EDThttp://www.sciencedaily.com/releases/2014/03/140327100614.htmhttp://www.sciencedaily.com/releases/2014/03/140327100614.htmModel predicts blood glucose levels 30 minutes later
http://feeds.sciencedaily.com/~r/sciencedaily/computers_math/mathematical_modeling/~3/6Xhgna-W0SA/140325164443.htm
A mathematical model can predict with more than 90 percent accuracy the blood glucose levels of individuals with type 1 diabetes up to 30 minutes in advance of imminent changes in their levels -- plenty of time to take preventative action. A person's blood glucose levels fluctuate in response to his or her insulin dose, meal intake, physical activity and emotional state. How great these fluctuations are depends on the individual, explain the researchers.<img src="http://feeds.feedburner.com/~r/sciencedaily/computers_math/mathematical_modeling/~4/6Xhgna-W0SA" height="1" width="1"/>Tue, 25 Mar 2014 16:44:43 EDThttp://www.sciencedaily.com/releases/2014/03/140325164443.htmhttp://www.sciencedaily.com/releases/2014/03/140325164443.htmModel now capable of street-level storm-tide predictions
http://feeds.sciencedaily.com/~r/sciencedaily/computers_math/mathematical_modeling/~3/zn_aT65CrxU/140325133542.htm
A new modeling study demonstrates the ability to predict a hurricane's storm tide at a much finer scale than current operational methods. The water that surged into the intersection of New York City's Canal and Hudson streets during Hurricane Sandy -- to choose just one flood-ravaged locale -- was ultimately driven ashore by forces swirling hundreds of miles out in the Atlantic. That simple fact shows not only the scale and power of a tropical cyclone, but the difficulty of modeling and forecasting its potential for coastal flooding on the fine scale needed to most effectively prepare a response.<img src="http://feeds.feedburner.com/~r/sciencedaily/computers_math/mathematical_modeling/~4/zn_aT65CrxU" height="1" width="1"/>Tue, 25 Mar 2014 13:35:42 EDThttp://www.sciencedaily.com/releases/2014/03/140325133542.htmhttp://www.sciencedaily.com/releases/2014/03/140325133542.htmBlack markets for hackers increasingly sophisticated, specialized, maturing
http://feeds.sciencedaily.com/~r/sciencedaily/computers_math/mathematical_modeling/~3/FBCGZW4xW64/140325121503.htm
Black and gray markets for computer hacking tools, services and byproducts such as stolen credit card numbers continue to expand, creating an increasing threat to businesses, governments and individuals, according to a new study. One dramatic example is the December 2013 breach of retail giant Target, in which data from approximately 40 million credit cards and 70 million user accounts was hijacked. Within days, that data appeared -- available for purchase -- on black market websites.<img src="http://feeds.feedburner.com/~r/sciencedaily/computers_math/mathematical_modeling/~4/FBCGZW4xW64" height="1" width="1"/>Tue, 25 Mar 2014 12:15:03 EDThttp://www.sciencedaily.com/releases/2014/03/140325121503.htmhttp://www.sciencedaily.com/releases/2014/03/140325121503.htmStrange materials cropping up in condensed matter laboratories
http://feeds.sciencedaily.com/~r/sciencedaily/computers_math/mathematical_modeling/~3/RDSc_iN1nI0/140325094223.htm
Physicists are using surprising ideas and mathematical tools originating in string theory to guide research into strange materials that are cropping up in condensed matter laboratories. There are a handful of systems that cannot be described by considering electrons (or any other kind of quasi-particle) moving around.<img src="http://feeds.feedburner.com/~r/sciencedaily/computers_math/mathematical_modeling/~4/RDSc_iN1nI0" height="1" width="1"/>Tue, 25 Mar 2014 09:42:23 EDThttp://www.sciencedaily.com/releases/2014/03/140325094223.htmhttp://www.sciencedaily.com/releases/2014/03/140325094223.htmMathematical route to fighting viruses taken by scientists
http://feeds.sciencedaily.com/~r/sciencedaily/computers_math/mathematical_modeling/~3/McO1GCrJum0/140324181434.htm
Mathematicians have joined forces with experimentalists to take an important step in discovering how viruses make new copies of themselves during an infection. The researchers have constructed a mathematical model that provides important new insights about the molecular mechanisms behind virus assembly which helps to explain the efficiency of their operation.<img src="http://feeds.feedburner.com/~r/sciencedaily/computers_math/mathematical_modeling/~4/McO1GCrJum0" height="1" width="1"/>Mon, 24 Mar 2014 18:14:34 EDThttp://www.sciencedaily.com/releases/2014/03/140324181434.htmhttp://www.sciencedaily.com/releases/2014/03/140324181434.htmParallel programming may not be so daunting: 'Lock-free' parallel algorithms match performance with wait-free
http://feeds.sciencedaily.com/~r/sciencedaily/computers_math/mathematical_modeling/~3/tWWn4P0p1kk/140324154049.htm
Computer chips have stopped getting faster: The regular performance improvements we've come to expect are now the result of chipmakers' adding more cores, or processing units, to their chips, rather than increasing their clock speed.<img src="http://feeds.feedburner.com/~r/sciencedaily/computers_math/mathematical_modeling/~4/tWWn4P0p1kk" height="1" width="1"/>Mon, 24 Mar 2014 15:40:49 EDThttp://www.sciencedaily.com/releases/2014/03/140324154049.htmhttp://www.sciencedaily.com/releases/2014/03/140324154049.htmFor neurons in the brain, identity can be used to predict location
http://feeds.sciencedaily.com/~r/sciencedaily/computers_math/mathematical_modeling/~3/gIR6ymuzFxw/140324154038.htm
There are many types of neurons, defined largely by the patterns of genes they use, and they 'live' in distinct brain regions. But researchers do not yet have a comprehensive understanding of these neuronal types and how they are distributed in the brain. A team of scientists describes a new mathematical model that combines large data sets to predict where different types of cells are located within the brain.<img src="http://feeds.feedburner.com/~r/sciencedaily/computers_math/mathematical_modeling/~4/gIR6ymuzFxw" height="1" width="1"/>Mon, 24 Mar 2014 15:40:38 EDThttp://www.sciencedaily.com/releases/2014/03/140324154038.htmhttp://www.sciencedaily.com/releases/2014/03/140324154038.htmComputer models solve geologic riddle millions of years in the making
http://feeds.sciencedaily.com/~r/sciencedaily/computers_math/mathematical_modeling/~3/wHNxSJivF8Y/140324133311.htm
An international team of scientists has used computer modeling to reveal, for the first time, how giant swirls form during the collision of tectonic plates -- with subduction zones stuttering and recovering after continental fragments slam into them.<img src="http://feeds.feedburner.com/~r/sciencedaily/computers_math/mathematical_modeling/~4/wHNxSJivF8Y" height="1" width="1"/>Mon, 24 Mar 2014 13:33:11 EDThttp://www.sciencedaily.com/releases/2014/03/140324133311.htmhttp://www.sciencedaily.com/releases/2014/03/140324133311.htmImportant and complex systems, from the global financial market to groups of friends, may be highly controllable
http://feeds.sciencedaily.com/~r/sciencedaily/computers_math/mathematical_modeling/~3/Ke0J4YsKVnc/140320140740.htm
Scientists have discovered that all complex systems, whether they are found in the body, in international finance, or in social situations, actually fall into just three basic categories, in terms of how they can be controlled.<img src="http://feeds.feedburner.com/~r/sciencedaily/computers_math/mathematical_modeling/~4/Ke0J4YsKVnc" height="1" width="1"/>Thu, 20 Mar 2014 14:07:40 EDThttp://www.sciencedaily.com/releases/2014/03/140320140740.htmhttp://www.sciencedaily.com/releases/2014/03/140320140740.htmSwing voters hold more sway over candidates on economic issues
http://feeds.sciencedaily.com/~r/sciencedaily/computers_math/mathematical_modeling/~3/aokXpEIJvgQ/140320131430.htm
Economics professors have published a paper on a theory of candidate competition that accounts for the influence of both economic and cultural issues on individual voting behavior. The researchers tested their theory using what they term a "differentiated candidates framework" in which two office-motivated candidates differ in their ideological position and choose a level of government spending and implied taxes to maximize their vote share.<img src="http://feeds.feedburner.com/~r/sciencedaily/computers_math/mathematical_modeling/~4/aokXpEIJvgQ" height="1" width="1"/>Thu, 20 Mar 2014 13:14:30 EDThttp://www.sciencedaily.com/releases/2014/03/140320131430.htmhttp://www.sciencedaily.com/releases/2014/03/140320131430.htmSmall step towards growing tissue in the lab
http://feeds.sciencedaily.com/~r/sciencedaily/computers_math/mathematical_modeling/~3/Wo8DMtJTtdg/140319093830.htm
Mathematicians have devised a method for identifying how cell clusters have formed by analyzing an image of the cluster. Their modelling tool will be useful in helping biologists and tissue engineers to move towards growing human tissue such as liver in the laboratory.<img src="http://feeds.feedburner.com/~r/sciencedaily/computers_math/mathematical_modeling/~4/Wo8DMtJTtdg" height="1" width="1"/>Wed, 19 Mar 2014 09:38:30 EDThttp://www.sciencedaily.com/releases/2014/03/140319093830.htmhttp://www.sciencedaily.com/releases/2014/03/140319093830.htmComputer analyzes massive clinical databases to properly categorize asthma patients
http://feeds.sciencedaily.com/~r/sciencedaily/computers_math/mathematical_modeling/~3/cjHz7om_x20/140318112211.htm
A computer program capable of tracking more than 100 clinical variables for almost 400 people has shown it can identify various subtypes of asthma, which perhaps could lead to targeted, more effective treatments. A computational biologist led the analysis of patient data for the study.<img src="http://feeds.feedburner.com/~r/sciencedaily/computers_math/mathematical_modeling/~4/cjHz7om_x20" height="1" width="1"/>Tue, 18 Mar 2014 11:22:11 EDThttp://www.sciencedaily.com/releases/2014/03/140318112211.htmhttp://www.sciencedaily.com/releases/2014/03/140318112211.htmWho’s afraid of math? Study finds some genetic factors
http://feeds.sciencedaily.com/~r/sciencedaily/computers_math/mathematical_modeling/~3/PWmcqpXisSU/140317095843.htm
A new study of math anxiety shows how some people may be at greater risk to fear math not only because of negative experiences, but also because of genetic risks related to both general anxiety and math skills. The results don't mean that math anxiety can be blamed solely or even mostly on genetic factors, the researchers emphasized. In this study, genetic factors explained about 40 percent of the individual differences in math anxiety.<img src="http://feeds.feedburner.com/~r/sciencedaily/computers_math/mathematical_modeling/~4/PWmcqpXisSU" height="1" width="1"/>Mon, 17 Mar 2014 09:58:43 EDThttp://www.sciencedaily.com/releases/2014/03/140317095843.htmhttp://www.sciencedaily.com/releases/2014/03/140317095843.htmBig data tackles tiny molecular machines
http://feeds.sciencedaily.com/~r/sciencedaily/computers_math/mathematical_modeling/~3/OeiEDZVuG4s/140314111533.htm
Open, feed, cut. Such is the humdrum life of a motor molecule that eats and excretes damaged proteins and turns them into harmless peptides for disposal. The why is obvious: Without these trash bins, the Escherichia coli bacteria they serve would die. And thanks to new research, the how is becoming clearer. Researchers have combined genetic and structural data to begin to solve one of the most compelling mysteries in biology: how proteins perform the regulatory mechanisms in cells upon which life depends.<img src="http://feeds.feedburner.com/~r/sciencedaily/computers_math/mathematical_modeling/~4/OeiEDZVuG4s" height="1" width="1"/>Fri, 14 Mar 2014 11:15:33 EDThttp://www.sciencedaily.com/releases/2014/03/140314111533.htmhttp://www.sciencedaily.com/releases/2014/03/140314111533.htmEquation to describe competition between genes
http://feeds.sciencedaily.com/~r/sciencedaily/computers_math/mathematical_modeling/~3/kxD7khBWS3U/140313134354.htm
Biologists typically conduct experiments first, and then develop models afterward to show how data fit with theory. New research flips that practice on its head. A biophysicist tackles questions in cellular biology as a physicist would -- by first formulating a model that can make predictions and then testing those predictions. Using this strategy, this research group has recently developed a mathematical model that accounts for the way genes compete with each other for the proteins that regulate their expression.<img src="http://feeds.feedburner.com/~r/sciencedaily/computers_math/mathematical_modeling/~4/kxD7khBWS3U" height="1" width="1"/>Thu, 13 Mar 2014 13:43:54 EDThttp://www.sciencedaily.com/releases/2014/03/140313134354.htmhttp://www.sciencedaily.com/releases/2014/03/140313134354.htmCancer cells don't take 'drunken' walks through body
http://feeds.sciencedaily.com/~r/sciencedaily/computers_math/mathematical_modeling/~3/vwTnJqiRDEc/140311123820.htm
Biologists have believed that cancers cells spread through the body in a slow, aimless fashion, resembling a drunk who can't walk three steps in a straight line. They now know that's true in a flat petri dish, but not in the three-dimensional space of an actual body. This finding is important because it should lead to more accurate results for scientists studying how cancer spreads through the body, often leading to a grim prognosis. To address this dimensional disagreement, the study's authors have produced a new mathematical formula that they say better reflects the behavior of cells migrating through 3D environments.<img src="http://feeds.feedburner.com/~r/sciencedaily/computers_math/mathematical_modeling/~4/vwTnJqiRDEc" height="1" width="1"/>Tue, 11 Mar 2014 12:38:20 EDThttp://www.sciencedaily.com/releases/2014/03/140311123820.htmhttp://www.sciencedaily.com/releases/2014/03/140311123820.htmScientist uses physics (again) to fight cancer
http://feeds.sciencedaily.com/~r/sciencedaily/computers_math/mathematical_modeling/~3/RH5j0Aq_7sY/140311100320.htm
Researchers describe how they applied their "Master Equations of Cancer" to pancreatic cancer. It’s an application that will soon help oncologists use the mathematical model to develop treatment plans for all cancer patients.<img src="http://feeds.feedburner.com/~r/sciencedaily/computers_math/mathematical_modeling/~4/RH5j0Aq_7sY" height="1" width="1"/>Tue, 11 Mar 2014 10:03:20 EDThttp://www.sciencedaily.com/releases/2014/03/140311100320.htmhttp://www.sciencedaily.com/releases/2014/03/140311100320.htmTuring's theory of chemical morphogenesis validated 60 years after his death
http://feeds.sciencedaily.com/~r/sciencedaily/computers_math/mathematical_modeling/~3/dD73MX3mUPg/140310152158.htm
Sixty years after Alan Turing's death, researchers have provided the first experimental evidence that validates Turing's theory of chemical morphogenesis in cell-like structures. This research could impact not only the study of biological development, and how similar patterns form in nature, but materials science as well. Turing's model could help grow soft robots with certain patterns and shapes.<img src="http://feeds.feedburner.com/~r/sciencedaily/computers_math/mathematical_modeling/~4/dD73MX3mUPg" height="1" width="1"/>Mon, 10 Mar 2014 15:21:58 EDThttp://www.sciencedaily.com/releases/2014/03/140310152158.htmhttp://www.sciencedaily.com/releases/2014/03/140310152158.htmComputer system simulates the behavior of tax evaders
http://feeds.sciencedaily.com/~r/sciencedaily/computers_math/mathematical_modeling/~3/89wxHVuETmQ/140310111705.htm
Researchers have developed a computer model which, in different situations, simulates the behavior of taxpayers when faced with the possibility of committing tax evasion. The simulator analyzes the factors motivating tax evasion and allows to determine which measures are effective in reducing it, such as an improvement in tax inspections by increasing their frequency and efficacy.<img src="http://feeds.feedburner.com/~r/sciencedaily/computers_math/mathematical_modeling/~4/89wxHVuETmQ" height="1" width="1"/>Mon, 10 Mar 2014 11:17:05 EDThttp://www.sciencedaily.com/releases/2014/03/140310111705.htmhttp://www.sciencedaily.com/releases/2014/03/140310111705.htmAre you smarter than a 5-year-old? Preschoolers can do algebra
http://feeds.sciencedaily.com/~r/sciencedaily/computers_math/mathematical_modeling/~3/GMI0zRGiAVc/140306130048.htm
Millions of high school and college algebra students are united in a shared agony over solving for x and y, and for those to whom the answers don't come easily, it gets worse: Most preschoolers and kindergarteners can do some algebra before even entering a math class. A new study finds that most preschoolers and kindergarteners, or children between 4 and 6, can do basic algebra naturally.<img src="http://feeds.feedburner.com/~r/sciencedaily/computers_math/mathematical_modeling/~4/GMI0zRGiAVc" height="1" width="1"/>Thu, 06 Mar 2014 13:00:48 ESThttp://www.sciencedaily.com/releases/2014/03/140306130048.htmhttp://www.sciencedaily.com/releases/2014/03/140306130048.htmClassroom focus on social, emotional skills can lead to academic gains, study shows
http://feeds.sciencedaily.com/~r/sciencedaily/computers_math/mathematical_modeling/~3/OpkOeZjXP6c/140306095522.htm
Classroom programs designed to improve elementary school students' social and emotional skills can also increase reading and math achievement, even if academic improvement is not a direct goal of the skills building, according to a study. The benefit holds true for students across a range of socio-economic backgrounds.<img src="http://feeds.feedburner.com/~r/sciencedaily/computers_math/mathematical_modeling/~4/OpkOeZjXP6c" height="1" width="1"/>Thu, 06 Mar 2014 09:55:22 ESThttp://www.sciencedaily.com/releases/2014/03/140306095522.htmhttp://www.sciencedaily.com/releases/2014/03/140306095522.htmThe birds and the bees of proteins
http://feeds.sciencedaily.com/~r/sciencedaily/computers_math/mathematical_modeling/~3/r1JL-HR1o7s/140305105946.htm
A split-second snapshot of an early stage of protein formation could someday lead to more effective antibiotics. Proteins are the worker bees of cells. They get rid of waste, transmit cellular signals and carry out the chemical reactions that enable the human body to function. Without proteins, cells would be unable to function, replicate, and die. Viruses, bacteria and cancer cells also need proteins to reproduce. Using computer modelling, researchers examined the role of one specific protein, and its ultimate effect on health.<img src="http://feeds.feedburner.com/~r/sciencedaily/computers_math/mathematical_modeling/~4/r1JL-HR1o7s" height="1" width="1"/>Wed, 05 Mar 2014 10:59:46 ESThttp://www.sciencedaily.com/releases/2014/03/140305105946.htmhttp://www.sciencedaily.com/releases/2014/03/140305105946.htmTeam models photosynthesis, finds room for improvement
http://feeds.sciencedaily.com/~r/sciencedaily/computers_math/mathematical_modeling/~3/K48rqM2beQo/140304113536.htm
Teaching crop plants to concentrate carbon dioxide in their leaves could increase photosynthetic efficiency by 60 percent and yields by as much as 40 percent, researchers report in a new study. The team used a computer model to simulate how adding genes from algae known as cyanobacteria might influence photosynthetic efficiency in plants.<img src="http://feeds.feedburner.com/~r/sciencedaily/computers_math/mathematical_modeling/~4/K48rqM2beQo" height="1" width="1"/>Tue, 04 Mar 2014 11:35:36 ESThttp://www.sciencedaily.com/releases/2014/03/140304113536.htmhttp://www.sciencedaily.com/releases/2014/03/140304113536.htmMath anxiety factors into understanding genetically modified food messages
http://feeds.sciencedaily.com/~r/sciencedaily/computers_math/mathematical_modeling/~3/5ovpHhA2NX0/140227125514.htm
People who feel intimidated by math may be less able to understand messages about genetically modified foods and other health-related information, according to researchers.<img src="http://feeds.feedburner.com/~r/sciencedaily/computers_math/mathematical_modeling/~4/5ovpHhA2NX0" height="1" width="1"/>Thu, 27 Feb 2014 12:55:14 ESThttp://www.sciencedaily.com/releases/2014/02/140227125514.htmhttp://www.sciencedaily.com/releases/2014/02/140227125514.htm3-D model of child's heart helps surgeons save life
http://feeds.sciencedaily.com/~r/sciencedaily/computers_math/mathematical_modeling/~3/HEtjJnTbzq4/140224123756.htm
Experts created a 3-D model of a child's heart using images from a CT scan. The model helped doctors figure out the best approach to fix the child's multiple heart defects. The result of the Rapid Prototyping Center's work was a model heart 1.5 times the size of the child's. It was built in three pieces using a flexible filament and required about 20 machine hours -- and only about $600 -- to make, and was a "game changer" for the planning of a complex surgery, the surgeon involved said.<img src="http://feeds.feedburner.com/~r/sciencedaily/computers_math/mathematical_modeling/~4/HEtjJnTbzq4" height="1" width="1"/>Mon, 24 Feb 2014 12:37:56 ESThttp://www.sciencedaily.com/releases/2014/02/140224123756.htmhttp://www.sciencedaily.com/releases/2014/02/140224123756.htmForest model predicts canopy competition: Airborne lasers help researchers understand tree growth
http://feeds.sciencedaily.com/~r/sciencedaily/computers_math/mathematical_modeling/~3/slsmSqIImhs/140220083330.htm
Scientists use measurements from airborne lasers to gauge changes in the height of trees in the forest. Tree height tells them things like how much carbon is being stored. But what accounts for height changes over time -- vertical growth or overtopping by a taller tree? A new statistical model helps researchers figure out what's really happening on the ground.<img src="http://feeds.feedburner.com/~r/sciencedaily/computers_math/mathematical_modeling/~4/slsmSqIImhs" height="1" width="1"/>Thu, 20 Feb 2014 08:33:30 ESThttp://www.sciencedaily.com/releases/2014/02/140220083330.htmhttp://www.sciencedaily.com/releases/2014/02/140220083330.htmMulti-scale simulation software for chemistry research
http://feeds.sciencedaily.com/~r/sciencedaily/computers_math/mathematical_modeling/~3/6SnhLc3sekA/140219174946.htm
New software greatly expands the types of multi-scale QM/MM (mixed quantum and molecular mechanical) simulations of complex chemical systems that scientists can use to design new drugs, better chemicals, or improved enzymes for biofuels production.<img src="http://feeds.feedburner.com/~r/sciencedaily/computers_math/mathematical_modeling/~4/6SnhLc3sekA" height="1" width="1"/>Wed, 19 Feb 2014 17:49:46 ESThttp://www.sciencedaily.com/releases/2014/02/140219174946.htmhttp://www.sciencedaily.com/releases/2014/02/140219174946.htmClutter cutter: Computer modeling used to understand how messy cells contribute to cancer
http://feeds.sciencedaily.com/~r/sciencedaily/computers_math/mathematical_modeling/~3/BfE-IJRw804/140219173144.htm
In a messy house, people use computers to manage paper and photo clutter; companies use computer systems to track their inventory. Researchers are taking a similar approach to cell-molecular inventory control for cancer. They have created computer models, using their programming framework (PySB), which enable them to explore the complex biochemical processes that drive cancer growth.<img src="http://feeds.feedburner.com/~r/sciencedaily/computers_math/mathematical_modeling/~4/BfE-IJRw804" height="1" width="1"/>Wed, 19 Feb 2014 17:31:44 ESThttp://www.sciencedaily.com/releases/2014/02/140219173144.htmhttp://www.sciencedaily.com/releases/2014/02/140219173144.htmStatistics research could build consensus around climate predictions
http://feeds.sciencedaily.com/~r/sciencedaily/computers_math/mathematical_modeling/~3/PDh_82_lGvE/140219160408.htm
Vast amounts of data related to climate change are being compiled by researchers worldwide with varying climate projections. This requires combining information across data sets to arrive at a consensus regarding future climate estimates. Scientists propose a statistical hierarchical Bayesian model that consolidates climate change information from observation-based data sets and climate models.<img src="http://feeds.feedburner.com/~r/sciencedaily/computers_math/mathematical_modeling/~4/PDh_82_lGvE" height="1" width="1"/>Wed, 19 Feb 2014 16:04:08 ESThttp://www.sciencedaily.com/releases/2014/02/140219160408.htmhttp://www.sciencedaily.com/releases/2014/02/140219160408.htmBetter way to make sense of 'Big Data?'
http://feeds.sciencedaily.com/~r/sciencedaily/computers_math/mathematical_modeling/~3/bRstspd7s1M/140218185128.htm
Big data is everywhere, and we are constantly told that it holds the answers to almost any problem we want to solve. But simply having lots of data is not the same as understanding it. New mathematical tools are needed to extract meaning from enormous data sets. Researchers now challenge the most recent advances in this field, using a classic mathematical concept to tackle the outstanding problems in big data analysis.<img src="http://feeds.feedburner.com/~r/sciencedaily/computers_math/mathematical_modeling/~4/bRstspd7s1M" height="1" width="1"/>Tue, 18 Feb 2014 18:51:28 ESThttp://www.sciencedaily.com/releases/2014/02/140218185128.htmhttp://www.sciencedaily.com/releases/2014/02/140218185128.htmScientists successfully simulate 'neutronics' — the behavior of neutrons in a reactor core
http://feeds.sciencedaily.com/~r/sciencedaily/computers_math/mathematical_modeling/~3/Z4Xg2oUYq24/140218153726.htm
Scientists and engineers developing more accurate approaches to analyzing nuclear power reactors have successfully tested a new suite of computer codes that closely model “neutronics” — the behavior of neutrons in a reactor core.<img src="http://feeds.feedburner.com/~r/sciencedaily/computers_math/mathematical_modeling/~4/Z4Xg2oUYq24" height="1" width="1"/>Tue, 18 Feb 2014 15:37:26 ESThttp://www.sciencedaily.com/releases/2014/02/140218153726.htmhttp://www.sciencedaily.com/releases/2014/02/140218153726.htmOptimizing donor kidney distribution in the United States
http://feeds.sciencedaily.com/~r/sciencedaily/computers_math/mathematical_modeling/~3/JHcIskAW8R4/140214111100.htm
Nearly 5,000 people die each year in the US waiting for a kidney transplant. A researcher has now developed a mathematical model that simulates and optimizes donor kidney distribution. The model identifies areas for policy changes, including encouraging more sharing within states. The innovative model could help ease inequities among regions in the US and ultimately help save hundreds of lives.<img src="http://feeds.feedburner.com/~r/sciencedaily/computers_math/mathematical_modeling/~4/JHcIskAW8R4" height="1" width="1"/>Fri, 14 Feb 2014 11:11:00 ESThttp://www.sciencedaily.com/releases/2014/02/140214111100.htmhttp://www.sciencedaily.com/releases/2014/02/140214111100.htmGeophysicist teams with mathematicians to describe how river rocks round
http://feeds.sciencedaily.com/~r/sciencedaily/computers_math/mathematical_modeling/~3/172EnJyjUV4/140212183715.htm
For centuries, geologists have recognized that the rocks that line riverbeds tend to be smaller and rounder further downstream. But these experts have not agreed on the reason these patterns exist. Abrasion causes rocks to grind down and become rounder as they are transported down the river. Does this grinding reduce the size of rocks significantly, or is it that smaller rocks are simply more easily transported downstream? A new study has arrived at a resolution to this puzzle.<img src="http://feeds.feedburner.com/~r/sciencedaily/computers_math/mathematical_modeling/~4/172EnJyjUV4" height="1" width="1"/>Wed, 12 Feb 2014 18:37:15 ESThttp://www.sciencedaily.com/releases/2014/02/140212183715.htmhttp://www.sciencedaily.com/releases/2014/02/140212183715.htmMathematical beauty activates same brain region as great art or music
http://feeds.sciencedaily.com/~r/sciencedaily/computers_math/mathematical_modeling/~3/VNECMacGdXE/140212183557.htm
People who appreciate the beauty of mathematics activate the same part of their brain when they look at aesthetically pleasing formula as others do when appreciating art or music, suggesting that there is a neurobiological basis to beauty.<img src="http://feeds.feedburner.com/~r/sciencedaily/computers_math/mathematical_modeling/~4/VNECMacGdXE" height="1" width="1"/>Wed, 12 Feb 2014 18:35:57 ESThttp://www.sciencedaily.com/releases/2014/02/140212183557.htmhttp://www.sciencedaily.com/releases/2014/02/140212183557.htmNew application of physics tools used in biology
http://feeds.sciencedaily.com/~r/sciencedaily/computers_math/mathematical_modeling/~3/uYxDHQCxnJE/140207133018.htm
A physicist and his colleagues have found a new application for the tools and mathematics typically used in physics to help solve problems in biology.<img src="http://feeds.feedburner.com/~r/sciencedaily/computers_math/mathematical_modeling/~4/uYxDHQCxnJE" height="1" width="1"/>Fri, 07 Feb 2014 13:30:18 ESThttp://www.sciencedaily.com/releases/2014/02/140207133018.htmhttp://www.sciencedaily.com/releases/2014/02/140207133018.htmBottom-up insight into crowd dynamics: Preparing for stampedes, mass evacuations
http://feeds.sciencedaily.com/~r/sciencedaily/computers_math/mathematical_modeling/~3/S-tj0BEWK2Y/140207114150.htm
Stampedes unfortunately occur on too regular a basis. Previously, physicists developed numerous models of crowd evacuation dynamics. Now, a new study outlines a procedure for quantitatively comparing different crowd models, which also helps to compare these models with real-world data. In a new paper, researchers have demonstrated that these crowd evacuation dynamics models are a viable decision-making tool in safety preparation and planning concerning real-world human crowds.<img src="http://feeds.feedburner.com/~r/sciencedaily/computers_math/mathematical_modeling/~4/S-tj0BEWK2Y" height="1" width="1"/>Fri, 07 Feb 2014 11:41:50 ESThttp://www.sciencedaily.com/releases/2014/02/140207114150.htmhttp://www.sciencedaily.com/releases/2014/02/140207114150.htmNew kinds of maths skills needed in the future – and new educational practices
http://feeds.sciencedaily.com/~r/sciencedaily/computers_math/mathematical_modeling/~3/iPWP5GwjVfU/140205091548.htm
The nature of the mathematical skills required from competent citizens is changing. Gone are the days of inertly applying and performing standard calculations. The mathematical minds of the future will need to understand how different economic, social, technological and work-related processes can be mathematically represented or modeled. A project is exploring new pedagogical practices and technological environments to prepare students for the flexible use of their math skills in future environments.<img src="http://feeds.feedburner.com/~r/sciencedaily/computers_math/mathematical_modeling/~4/iPWP5GwjVfU" height="1" width="1"/>Wed, 05 Feb 2014 09:15:48 ESThttp://www.sciencedaily.com/releases/2014/02/140205091548.htmhttp://www.sciencedaily.com/releases/2014/02/140205091548.htm