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Particle Accelerator That Can Fit on a Tabletop Opens New Chapter for Science Research

By Guest PostJune 21, 2013Scienceaustin, charged particles, conventional accelerator, electrons, Environment, factor, gev, gev electron beam, gigaelectronvolts, laser plasma accelerator, laser pulse, mike downer, motorboat, multi gigaelectronvolt, particle accelerator, physicist, physicists, puff of gas, science research, space charge fields, tabletop, Technology, texas petawatt laser, toshiki tajima, university of texas, xray source

AUSTIN, Texas — Physicists at The University of Texas at Austin have built a tabletop particle accelerator that can generate energies and speeds previously reached only by major facilities that are hundreds of meters long and cost hundreds of millions of dollars to build.

“We have accelerated about half a billion electrons to 2 gigaelectronvolts over a distance of about 1 inch,” said Mike Downer, professor of physics in the College of Natural Sciences. “Until now that degree of energy and focus has required a conventional accelerator that stretches more than the length of two football fields. It’s a downsizing of a factor of approximately 10,000.” (more…)

Despite free health care, household income affects chronic disease control in kids

By Guest PostApril 28, 2013Healthblood molecules, child university hospital, chronic disease, chu sainte justine, diabetes, factor, glycated hemoglobin levels, hba1c, johnny deladoey, kids, louis geoffroy, ontario, sainte justine mother, social workers, statistics canada, sugar, type 1 diabetes, university of montreal

Researchers at the University of Montreal have found that the glycated hemoglobin levels of children with type 1 diabetes followed at its affiliated Sainte-Justine Mother and Child University Hospital (CHU Sainte-Justine) is correlated linearly and negatively with household income. Glycated hemoglobin is the binding of sugar to blood molecules – over time, high blood sugar levels lead to high levels of glycated hemoglobin, which means that it can be used to assess whether a patient properly controls his or her blood glucose level. “Our study highlights a marked disparity between the rich and the poor in an important health outcome for children with type 1 diabetes, despite free access to health care”, explained Dr. Johnny Deladoëy, who led the study. (more…)

Stemming Russia’s HIV Epidemic

By Guest PostMarch 21, 2013Healthblood borne pathogens, bmc public health, clean syringes, disease, district level, drug users, factor, hiv epidemic, hiv prevalence, hiv-positive, pharmacies, public health, public health sector, robert heimer, russia, sex partners, social costs, social structures, st. petersburg, state university, transmission, unsafe injection practices, virus, yale school

Clean Syringes Often Unavailable in St. Petersburg, YSPH Research Finds

Russia’s HIV epidemic is among the fastest growing in the world and injection drug users who often share needles and other supplies are hardest hit. This occurs even though pharmacies are a legal source for clean syringes and can sell them without restriction.

A recent study led by the Yale School of Public Health and St. Petersburg State University mapped the city’s 965 pharmacies and compared their locations and density to HIV prevalence at the district level. (more…)

Biodiversity Protects Against Disease, Scientists Find

By Guest PostFebruary 15, 2013Natureamphibian eating birds, amphibian infections, amphibian species, aquatic parasite cycle, biodiversity, biodiversity matters, bird species, boulder, california tiger salamander, community of frogs, complex ecosystems, dan preston, decrease in disease, deformed frogs, disease transmission, doug levey, egrets, factor, grasslands, herons, humans, humans and wildlife, hypothesis, infection with ribeiroia, jason hoverman, katie richgels, large scale ecosystems, life cycle, lyme disease, malformations, national science foundation, northern leopard frog, organisms, parasite transmission, parasitic infections, pathogen, pieter johnson, pond, pond community, protects against disease, purdue university, replicate, reservoir hosts, ribeiroia ondatrae, salamanders, toads, university of colorado, west nile virus

Discovery resulted from study of amphibians in ponds

The richer the assortment of amphibian species in a pond, the more protection that community of frogs, toads and salamanders has against a parasitic infection that can cause severe deformities, including the growth of extra legs.

The findings, published in a paper in this week’s issue of the journal Nature, support the idea that greater biodiversity in large-scale ecosystems, such as forests or grasslands, may also provide greater protection against diseases, including those that affect humans.

A larger number of mammal species in an area may curb cases of Lyme disease, while a larger number of bird species may slow the spread of West Nile virus. (more…)

Credit Card Debt: Younger People Borrow More Heavily and Repay More Slowly, Study Finds

By Guest PostJanuary 18, 2013Economyamericans, borrow, cardholders, credit card, credit card behavior, credit card companies, credit card debt, data, debt level, factor, financial problems, grandparents, life cycle hypothesis, lucia dunn, marital status, minimum payments, minimum payoff rate, monthly payment, ohio economic survey, parents, psychological jolt, repay, sarah jiang, statistical model, younger americans

COLUMBUS, Ohio – Younger Americans not only take on relatively more credit card debt than their elders, but they are also paying it off at a slower rate, according to a first-of-its-kind study.

The findings suggest that younger generations may continue to add credit card debt into their 70s, and die still owing money on their cards.

“If what we found continues to hold true, we may have more elderly people with substantial financial problems in the future,” said Lucia Dunn, co-author of the study and professor of economics at Ohio State University. (more…)

Americans Have Worse Health than People in Other High-Income Countries

By Guest PostJanuary 11, 2013Healthadvantaged american, aids, american, ana diez roux, australia, average, better health, blood pressure, canada, cholesterol level, chronic lung disease, diabetes, die, disability, disease, environmental, factor, gravity, health disadvantage, healthy behaviour, heart disease, high income countries, higher rate, hiv, homicide, injury, Japan, mortality gap, non hispanic whites, obesity, policy factor, rich nation, sexually transmitted infections, steven woolf, teenage pregnancies, united states, university of michigan, western european countries

WASHINGTON — On average, Americans die sooner and experience higher rates of disease and injury than people in other high-income countries, says a new report from the National Research Council and Institute of Medicine.

The report finds that this health disadvantage exists at all ages from birth to age 75 and that even advantaged Americans—those who have health insurance, college educations, higher incomes and healthy behaviors—appear to be sicker than their peers in other rich nations. (more…)

Study Reveals New Factor that could Limit the Life of Hybrid and Electric Car Batteries

By Guest PostDecember 25, 2012Science, Technologyautomotive industry, battery electrodes, battery life, bharat bhushan, car batteries, cathode, current collector, electric car batteries, electrical system, electrodes, electron transfer, factor, giorgio rizzoni, gregory downing, hybrid, hybrid electric cars, life, limit, lithium ion batteries, ndp, neutron depth profiling, ohio state university, set of particles, sheet of copper, shrikant nagpure, suresh babu, yann guezennec

COLUMBUS, Ohio – A new study of the batteries commonly used in hybrid and electric-only cars has revealed an unexpected factor that could limit the performance of batteries currently on the road.

Researchers led by Ohio State University engineers examined used car batteries and discovered that over time lithium accumulates beyond the battery electrodes – in the “current collector,” a sheet of copper which facilitates electron transfer between the electrodes and the car’s electrical system. (more…)

Business Promotional Products Explained – What They Are and How They Are Used

By Guest PostDecember 18, 2012Small Businessaction, bottled beer promotion, brand, business, campaign, christmas, factor, flip flops, language, lexicon, promote business, promotional items, promotional products, promotions manager, summer fun, usb stick

Business promotional products are any items that may be used to promote something about a business. That might be the whole brand – or it might be a specific product or message from within that brand.

Promotional items may be anything at all, as long as they are either directly branded or used in a way that has immediate relevance to a promotion or campaign. Such a promotion or campaign can be targeted for immediate return (as in a product launch) – or it can be a long term promotion, like getting workers within a company to wear branded protective clothing when they do a job. (more…)

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