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Science News | Science Current Events | Brightsurf | January 06, 2005

Protein transformation gives new twist to medical research
It was a transforming moment. Researchers could barely believe their eyes.
Backcountry water quality tests are good news for campers
Data collected by experts from the UC Davis School of Medicine have revealed that except for some heavily used areas, streams and lakes in the high country of the Sierra Nevada are generally clean and fresh.
Don't count on vitamin C to boost your exercise performance
University of Colorado physiologists confirmed that large doses of vitamin C decreased oxidative stress, but found
No advantage of combination drug therapy for chronic hepatitis B Infection
Results of an international study in this week's issue of The Lancet suggest that pegylated interferon alpha offers the best treatment option for people with chronic hepatitis B infection.
Systems microbiology has great scientific promise in health and environment
Systems microbiology treats microorganisms or microbial communities as a whole, integrating fundamental biological knowledge with genomics and other data to create an integrated picture of how a microbial cell or community operates.
Substructure maps show that dark matter clumps in galaxies
Hubble Space Telescope data, analyzed by a Yale astronomer using gravitational lensing techniques, has generated a spatial map demonstrating the clumped substructure of dark matter inside clusters of galaxies.
Researchers tease out one critical role of tumor-suppressor gene
Scientists are taking the first steps to find out how a gene that is mutated in many cancer cells functions in healthy cells.
Doctors must consider potentially inappropriate medications when treating elderly
Just as our bodies physically slow down as we age, changes occur in the way that older bodies handle pharmaceuticals, and prescribing physicians need to be aware of those medications inappropriate for the elderly.
WSU geologist uses satellite imagery to study surface water quality within Ohio River watershed
A Wright State University research scientist is using satellite imagery to evaluate water quality within the streams and rivers of the Ohio River watershed.
Put science at center of decision-making on third world development, experts tell UN
Science and technology is so critically important to improving conditions in poor countries that scientific advisors should join economists at the center of government policy-making on development issues, an eminent group of 27 international experts says in a landmark report to the United Nations.
Gene sequencing explains bioremediation 'bug'
Gene sequencing of a bacterium with an appetite for chlorinated pollutants, Dehalococcoides ethenogenes Strain 195, reveals the secret of its unique talent.
Scientists discover key genetic factor in determining HIV/AIDS risk
People with more copies of a gene that helps to fight HIV are less likely to become infected with the virus or to develop AIDS than those of the same geographical ancestry, such as European Americans, who have fewer copies of the gene, according to a study funded by the National Institute of Allergy and Infectious Diseases (NIAID), part of the National Institutes of Health (NIH).
The dynamo in the Cornfield
In an underground bunker that brushes up against a barnyard on one side and a cornfield on the other, scientists from the University of Wisconsin, Madison, are trying to solve an enduring cosmic mystery.
The Lancet calls for creation of Int'l Commission on Global Responses to Complex Emergencies
The international community is failing to coordinate and strategically plan aid for the tsunami-struck regions of south Asia, comments this week's editorial in The Lancet.
New therapeutic vaccine for HIV/AIDS eliminates needles and excessive toxicity
DermaVir, a novel treatment for HIV/AIDS, offers a new option which complements and improves present drug therapies.
It's all in who you know
The traditional stranglehold on access to power and money may have weakened, but who-you-know continues to open doors in school as well as in life - apparently with particular significance for children of Mexican descent.
National Academy news: Water quality improvement in southwestern Pennsylvania
A new report outlines a regional approach to solving water quality problems in southwestern Pennsylvania.
Scientists find that the human nose is more complicated than a jumbo jet
Researchers have discovered how air moves through the nose bringing you those smells but their work may lead to new ways of unblocking it and helping you to breathe more easily.
More precise radiation therapy lets prostate cancer patients avoid erectile dysfunction
Researchers at the University of Michigan Comprehensive Cancer Center are using innovative planning techniques to help men with prostate cancer avoid erectile dysfunction after radiation treatment.
Penn Museum begins ground-breaking project to create underground image of pre-Inca city
University of Pennsylvania Museum archaeologists working at the ancient site of Tiwanaku in Bolivia-a pre-Inca city sometimes called the
How women can avoid migraines during that time-of-the-month
The American Council for Headache Education (ACHE) launches its new Patient Education Page (PEP) in the journal, Headache.
Simple sputum test for confirmation of childhood tuberculosis
Results of a South African study in this week's issue of The Lancet show how a diagnosis of tuberculosis in young children can be confirmed by a straightforward sputum test, rather than the conventional and invasive procedure of gastric lavage.
Review supports link between HRT and stroke
Hormone replacement therapy (HRT) is associated with an increased risk of stroke, especially ischaemic stroke, finds a review of trials published on
Most alcohol-related plane crashes occur at night and in worsening weather conditions
Researchers at Johns Hopkins have found that nighttime flying and worsening weather conditions are two key characteristics of fatal plane crashes in general aviation where alcohol consumption by the pilot was also a factor.
DNA movement linked to formation of antibody genes
Peter W. Atkinson, a University of California, Riverside professor of entomology is part of a team that has linked the movement of small pieces of DNA, known as transposable elements, to a process called V(D)J recombination that produces the genetic diversity responsible for the production of antibodies.
Study suggests isolation of patients with MRSA does not reduce cross-infection in ICUs
Results of a UK study published online today (Friday 7 January 2005) suggest that the widely practised approach of isolating intensive-care patients infected with MRSA does not reduce cross-infection.
New method simplifies search for genetic changes associated with disease
It is now significantly easier to search long stretches of DNA for genetic changes associated with disease, thanks to scientists at Washington University School of Medicine in St.
MSI releases 'moleculizer' - a new approach to simulation of intracellular biochemical networks
MSI announced today the release of a new approach to simulation of intracellular biochemical networks in the January 2005 edition of Nature Biotechnology.
Pitt scientists study how cancer cells get out of control
Researchers at the University of Pittsburgh have identified how a single aberrant cell can duplicate to form cancerous tumors, suggesting a specific protein mechanism as a target for the treatment of cancer, they report in a paper in the January 7 issue of Science. Specifically, they found that overexpression of a single protein can cause changes in a cell associated with the formation of tumors.
No blind mice, thanks to UF scientists
Using a common antibody, researchers stopped the progression of blindness in mice afflicted with a condition similar to one that robs thousands of diabetic Americans of their eyesight each year.
Scientists decipher genome of bacterium that helps clean up major groundwater pollutants
Scientists have deciphered the genome sequence of a microbe that can be used to clean up pollution by chlorinated solvents - a major category of groundwater contaminants that are often left as byproducts of dry cleaning or industrial production.
Weight loss strategies work in people with pre-diabetes
Adults with pre-diabetes can lose up to 3 percent of their body weight using diet, exercise and behavioral strategies, according to a systematic review of studies that analyzed weight-loss strategies for pre-diabetics.
Story tips from the Department of Energy's Oak Ridge National Laboratory, January 2005
Story ideas from the Department of Energy's Oak Ridge National Laboratory, including articles on forensics, materials, nanoscience, sensors.
Mayo Clinic Cancer Center receives SPORE grant for brain cancer research from NCI
Mayo Clinic Cancer Center has received a Specialized Programs of Research Excellence (SPORE) grant from the National Cancer Institute (NCI) for brain cancer research.
Scientists study ocean to understand global cooling
In the current issue of Nature, URI Graduate School of Oceanography (GSO) visiting scientist Helen Coxall describes how the deepening of the CCD in the Pacific Ocean correlated to global cooling approximately 34 million years ago, when the first significant permanent ice sheets appeared on Antarctica.
Children at risk from unexploded military material
Unexploded military material in Afghanistan cause more injuries and deaths than landmines especially among children, according to research published on

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