Tag Archives: model

New Method For Estimating Parameters May Boost Biological Models

Modeling biological systems can provide key insights for scientists and medical researchers, but periodic cycles that repeat themselves – so-called oscillatory systems – pose some key challenges. Researchers at North Carolina State University have developed a new method for estimating the parameters used in such models – which may advance modeling in research areas ranging from cancer to fertility. (more…)

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High Population Density is Greatest Risk Factor For Water-Linked Diseases

COLUMBUS, Ohio – Water-associated infectious disease outbreaks are more likely to occur in areas where a region’s population density is growing, according to a new global analysis of economic and environmental conditions that influence the risk for these outbreaks.

Ohio State University scientists constructed a massive database containing information about 1,428 water-associated disease outbreaks that were reported between 1991 and 2008 around the world. By combining outbreak records with data on a variety of socio-environmental factors known about the affected regions, the researchers developed a model that can be used to predict risks for water-associated disease outbreaks anywhere in the world. (more…)

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MU Unveils 3-D Visual Immersion Laboratory

*New “iLab” will allow undergraduate students to design projects in a 3-D environment*

COLUMBIA, Mo. – One of the most difficult tasks architects and interior designers face when designing buildings and rooms is visualizing exactly what their projects will look like when they are finished. Now, the University of Missouri architectural studies department has developed the Immersive Visualization Lab (iLab) to help students visualize their designs more accurately. Bimal Balakrishnan, an assistant professor of architectural studies in MU College of Human Environmental Sciences, says the iLab will be one of few labs in the country to allow undergraduate students to get hands-on experience using immersive 3-D technology to complete and test their designs as part of their design studio curriculum.

“Most university immersion labs are reserved primarily for graduate students to use for research purposes,” Balakrishnan said. “While the MU iLab will be used for research, it will also serve as an excellent teaching and experiential tool for undergraduate students.” (more…)

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New Study to Test Unusual Hypothesis on Beta Brainwaves

Beta oscillations are tightly linked to Parkinson’s disease and the ability to process sensory information, such as touch. Two neuroscientists have brought their collaboration to Brown University and won funding from the National Science Foundation to see if they can finally provide a definitive, if unorthodox, explanation for beta brainwaves.

Before she could seek to convince the world that her computer model of a key brain circuit explains a fundamental, 80-year-old mystery of neuroscience with potential relevance to Parkinson’s disease, Stephanie Jones sought to convince Christopher Moore. The new Brown neuroscience professors are now close collaborators, but when they first started talking about the beta oscillations of the cortex, Moore thought Jones was plain wrong, if not a bit nuts. (more…)

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A Tailored Pair of Genes

*For ancient plants, two genes were definitely better than one*

In the wake of the disaster that killed the dinosaurs, the ancestors of today’s crop plants reinvented themselves.

They doubled their genomes, and in that single act set the stage for feeding the world 60 million years later.

In a study published in the Nov. 16 issue of the journal Nature, researchers from the University of Minnesota and other institutions recount how sequencing the genome of a model, alfalfa-like legume revealed the monumental benefits that flowed when the ancestor of legumes acquired an extra copy of every gene. (more…)

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Berkeley Lab to Build Cost Model for Fuel Cells

*A $2-million award from DOE will help bring down the cost of next-generation fuel cells.*

Fuel cells seem like an ideal energy source—they’re clean, efficient, silent and don’t require transmission lines. The hitch? They can be costly. Now scientists at Lawrence Berkeley National Laboratory (Berkeley Lab) hope to change that equation by building a sophisticated cost model that will take into account the total cost of ownership.

With a $2-million grant from the U.S. Department of Energy, a team of scientists led by Eric Masanet will perform a detailed assessment of fuel cell design and manufacturing that takes into account both intrinsic and external benefits. The aim is to quantify not only traditional manufacturing costs but also benefits that may previously have been overlooked and may ultimately bring down the cost of fuel cells. (more…)

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MU Study Identifies Protective Factors that Help Women Recover from Childhood Violence

COLUMBIA, Mo. – Children who witness domestic violence are more likely to be in abusive intimate relationships and experience psychological problems such as post traumatic stress disorder (PTSD) in adulthood, according to the Centers for Disease Control and Prevention. A University of Missouri researcher has found that certain protective factors foster resilience and increase the likelihood that the cycle of violence will end for women who, as children, were exposed to their mothers’ battering.

Kim Anderson, associate professor in the MU School of Social Work, found that women are less likely to suffer from PTSD if they are more resilient, or better able to overcome adversity. In regard to childhood protective factors that increase adult resilience, Anderson found that mothers who were employed full-time had a positive influence on their children’s recovery from witnessing domestic violence. (more…)

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Global Model Confirms: Cool Roofs Can Offset Carbon Dioxide Emissions and Mitigate Global Warming

Can light-colored rooftops and roads really curb carbon emissions and combat global climate change?  

The idea has been around for years, but now, a new study by researchers at Lawrence Berkeley National Laboratory that is the first to use a global model to study the question has found that implementing cool roofs and cool pavements in cities around the world can not only help cities stay cooler, they can also cool the world, with the potential of canceling the heating effect of up to two years of worldwide carbon dioxide emissions.

(more…)

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