Brightsurf Science News & Current Events

January 08, 2007
Drug linked to increase in brain hemorrhage cases
The rate of brain hemorrhages associated with blood thinning drugs quintupled during the 1990s, according to a study published in the January 9, 2007, issue of Neurology, the scientific journal of the American Academy of Neurology.

'Red tide toxins' leave beachgoers breathless
A new study in the January 2007 issue of the journal CHEST shows that the ecological phenomenon, known as Florida red tide, can be harmful for people with asthma.

Allergic reactions to insulin have declined and CSII could reduce them further
A review of published research from the University of Liege, Belgium, reveals a decline in the number of people experiencing allergic reactions to insulin.

Trusting your instincts leads you to the right answer
A UCL (University College London) study has found that you are more likely to perform well if you do not think too hard and instead trust your instincts.

Hopeful nurses are more comfortable, confident in caring for dying children
Nurses with higher levels of hopefulness are more likely to report feeling confident and competent in their ability to care for dying children and their families.

Dartmouth researchers find that arsenic triggers unique mechanism in rare leukemia
Dartmouth Medical School researchers have identified a new way that arsenite, a form of arsenic, acts in treating a rare cancer known as APL, or acute promyelocytic leukemia.

Is evidence-based medicine sufficient for complementary and alternative medicine research?
Evidence-based medicine is widely accepted among researchers as the

New stars shed light on the past
A new image from the Hubble Space Telescope shows N90, one of the star-forming regions in the Small Magellanic Cloud.

USC study in Nature Genetics supports a stem cell origin of cancer
Researchers at the University of Southern California found genes that are reversibly repressed in embryonic stem cells are over-represented among genes that are permanently silenced in cancers.

BC physicists transmit visible light through miniature cable
Physicists at Boston College have beamed visible light through a cable hundreds of times smaller than a human hair, an achievement they anticipate will lead to advances in solar power and optical computing.

AAAS applauds nationwide science and math standards based on existing guidelines
The American Association for the Advancement of Science today applauded a bipartisan proposal for voluntary nationwide standards to ensure that all American children receive a high-quality education in mathematics and science.

No breakfast and frequent fast food leads to extra pounds in aging teens
The phrase

Nutrition studies' conclusions tied to funding source
A systematic analysis of the medical literature shows that nutrition studies' conclusions correlate with who funds them -- much like the bias found for pharmaceutical studies, but with potentially greater public health implications.

Caregiving for those at end of life rewarding despite challenges, survey finds
Family or friends served as informal caregivers to almost three-quarters of disabled older adults living in the community during their final year of life, according to an article in the January 8 issue of Archives of Internal Medicine, one of the JAMA/Archives journals.

It is no mirage!
Using ESO's Very Large Telescope and the W.M. Keck Observatory, astronomers at the Ecole Polytechnique Fédérale de Lausanne in Switzerland and the California Institute of Technology, USA, have discovered the first known triplet of quasars.

Women with migraines more likely to have depression
Women with chronic headache, especially migraines, are more likely to be depressed, feel tired, and have a host of other severe physical symptoms, according to a study published in the January 9, 2007, issue of Neurology, the scientific journal of the American Academy of Neurology.

Researchers using Arecibo Telescope discover never-before-seen pulsar blasts in Crab Nebula
Astronomers and physicists using the Cornell-managed Arecibo Telescope in Puerto Rico have discovered radio interpulses from the Crab Nebula pulsar that feature never-before-seen radio emission spectra.

ACS News Service Weekly PressPac -- January 3, 2007
The American Chemical Society News Service Weekly Press Package with reports from 35 major peer-reviewed journals on chemistry, health, medicine, energy, environment, food, nanotechnology and other hot topics.

Astronomers find triple interactions of supermassive black holes to be common in early universe
New cosmological computer simulations produced by a team of astronomers from Northwestern University, Harvard University and the University of Michigan show for the first time that supermassive black holes, which exist at the centers of nearly all galaxies, often come together during triple galaxy interactions.

Turning green gunk to gold, anti-cancer gold
Combining synthetic chemistry techniques with a knowledge of the properties and actions of enzymes, scientists have been able to produce an exciting class of anti-cancer drugs originally isolated from blue-green algae.

We have lift off...
Just 18 months after the publication of its first ever issue, Soft Matter has now officially taken flight as a solo publication.

Hybrid structures combine strengths of carbon nanotubes and nanowires
A team of researchers at Rensselaer Polytechnic Institute has created hybrid structures that combine the best properties of carbon nanotubes and metal nanowires.

Higher folate levels linked to reduced risk for Alzheimer's disease
Individuals who take in higher levels of the nutrient folate through both diet and supplements may have a reduced risk of developing Alzheimer's disease, according to a report in the January issue of Archives of Neurology, one of the JAMA/Archives journals.

Tracing agent, ultrasound combo helps test cancer therapy's effectiveness
An inexpensive tracing agent used in combination with ultrasound can pinpoint how effectively drugs targeting pancreatic cancer work, researchers at UT Southwestern Medical Center have demonstrated for the first time.

Independent panel recommends strong, clear guidelines for development of marine aquaculture
Congress should enact legislation to ensure that strong environmental standards are in place to regulate the siting and conduct of offshore marine aquaculture, according to an independent panel of leaders from scientific, policymaking, business and conservation institutions.

Saving endangered whales at no cost
By comparing the productivity of lobster fishing operations in American and Canadian waters of the Gulf of Maine, researchers have identified ways in which cost-saving alterations in fishing strategies can substantially reduce fishing-gear entanglements of the critically endangered North Atlantic right whale.

Genetically altered cells may help artificial skin fight infection
Cincinnati burn researchers have created genetically modified skin cells that, when added to cultured skin substitutes, may help fight off potentially lethal infections in patients with severe burns.

Young single men are more likely to bank sperm before testicular cancer treatment
A quarter of men with testicular cancer banked their sperm before treatment, but only six percent of those used the sperm to father a child.

Energy Dept.'s Office of Science awards 95 million hours of supercomputing time to advance research
The DOE's Office of Science has awarded 45 projects a total of 95 million hours of computing time on some of the world's most powerful supercomputers.

Jefferson cardiologists fix broken heart
Unexplained chest pain after a heart attack might be more dangerous than many physicians originally think.

There's no scent like home
New research from MBL scientists and their colleagues shows that some fish larvae can discriminate odors in ocean currents and use scent to return to the reefs where they were born.

Excess weight and adult weight gain increase the risk of dying from prostate cancer
A new study finds that obesity increases the risk of death from prostate cancer, even though it does not increase the overall risk a man will be diagnosed with the disease.

Newsbriefs from the journal CHEST, January 2007
Newsbriefs from the January issue of the journal CHEST highlight the following studies: ICU quality measure easily biased; Sleep apnea linked to family history of death from heart disease; and BETA blockers reduce severity of central sleep apnea.

Superstrings could add gravitational cacophony to universe's chorus
Albert Einstein theorized that moving matter would warp the fabric of four-dimensional space-time, sending out ripples of gravity called gravitational waves.

NHLBI media availability: Overweight girls at risk for cardiovascular disease
Results from the NHLBI Growth and Health Study of more than 2,300 girls suggest that girls as young as age 9 who are overweight are at increased risk for short-term and long-term problems that increase the chances of developing cardiovascular disease.

U of M study shows fast food as family meals limits healthy food intake, increases obesity risk
Families whose meals frequently consist of fast food are more likely to have unhealthy eating habits, poor access to healthy foods at home and a higher risk for obesity, according to researchers at the University of Minnesota Medical School.

University of Chicago receives supercomputer time for supernova simulations
The University of Chicago's Center for Astrophysical Thermonuclear Flashes will perform the world's most advanced simulations of exploding white dwarf stars with an allocation of 2.5 million hours of processing time on the US Department of Energy's high-performance computers.

Study finds limited options for backup HIV treatment in some developing countries
Thai researchers have discovered that patients who fail treatment with a commonly used, inexpensive, first-line antiretroviral therapy (ART) are also usually resistant to other, similar drugs, leaving progressively fewer options for replacement therapies.

Genetic variation may reduce Alzheimer's risk
Adults with a genetic variation enabling them to express higher levels of fetal hemoglobin may have a reduced risk of Alzheimer's disease, researchers say.

Genetics and lifestyle interact to increase risk for age-related blindness
The interplay between genetic predisposition and exposure to modifiable risk factors can multiply the risk for age-related macular degeneration, according to a report in the January issue of Archives of Ophthalmology, one of the JAMA/Archives journals.

Homing nanoparticles pack multiple assault on tumors
Researchers have developed nanoparticles that seek out tumors and bind to their blood vessels, and then attract more nanoparticles to the tumor target.

High hospital house staff workload associated with worse patient outcomes
A heavier workload for hospital residents on patient admission days was associated with increased length of hospital stay, total costs and risk of inpatient death, according to a report in the January 8 issue of the Archives of Internal Medicine, one of the JAMA/Archives journals.

Antibody therapy prevents type 1 diabetes in mice
University of Pittsburgh investigators have successfully prevented the onset of type 1 diabetes in mice prone to developing the disease using an antibody against a receptor on the surface of immune T cells.

Published study shows benefits of Diachrome for people with type 2 diabetes
Nutrition 21 Inc., today announced the results of a recent placebo controlled, double-blind, randomized, single center study that demonstrated that Diachrome, a patented combination of chromium picolinate and biotin, safely improves blood glucose levels and cholesterol metabolism in people with type 2 diabetes.

Quasar light variability linked to black hole mass
Quasars are some of the most luminous and distant objects in the universe -- and appear to have something in common with ordinary light bulbs, say researchers at the University of Illinois at Urbana-Champaign and the National Center for Supercomputing Applications.

Congenital heart disease increasingly more common in adults, children
The prevalence of congenital heart disease has increased strikingly in adults and children in a new population study, researchers reported in Circulation: Journal of the American Heart Association.

Researchers warn milk eliminates cardiovascular health benefits of tea
Research published online Tuesday, Jan. 9, 2007, in European Heart Journal has found that the protective effect tea has on the cardiovascular system is totally wiped out by adding milk.

BioMed Central launches BMC Systems Biology, a new open access journal
BioMed Central, the leading open access publisher, today announced the launch of BMC Systems Biology, the first open access journal focussed solely on the entire emerging subject of systems biology.

Scientists discover how body fights to control spread of cancer
Scientists at the University of Liverpool have found how two molecules fight in the blood to control the spread of cancer cells.

Study finds obese patients fair better than lean patients when hospitalized for acute heart failure
UCLA researchers report that for patients hospitalized with acute heart failure, a higher body mass index (BMI) was associated with a substantially lower in-hospital mortality rate.

Bias in research on soft drinks -- new treatment for schistosomiasis
New findings highlight bias in research on health benefits of non-alcoholic drinks.

Gas giants jump into planet formation early
Gas-giant planets like Jupiter and Saturn form soon after their stars do, according to new research.

Rice's Drezek wins $3M grant for breast cancer research
The Department of Defense has named Rice University the recipient of a $3 million award for a five-year program to develop miniaturized molecular imaging technologies for screening, diagnosis and monitoring of breast cancer.

New Congress should focus on covering the uninsured, reducing health costs, according to new survey
Expanding coverage for the uninsured should be the top health care priority for the new Congress over the next five years, identified as

New therapy for chronic fatigue syndrome to be tested at Stanford
A preliminary study suggests there may be hope in the offing for some sufferers of chronic fatigue syndrome with a new therapy being tested by researchers at the Stanford University School of Medicine.

Availability may influence cancer treatment decisions
Utilization of cancer treatments with limited evidence of benefit may depend on the therapy's availability according to a new study.

Intervention can cut job stress while protecting the heart and bottom line
A simple workplace intervention can reduce the impact of stress on the heart, researchers reported in Hypertension: Journal of the American Heart Association.

Public shares views on environmental, health and safety research needs for nanoscale materials
Approximately 150 people took part in the National Nanotechnology Initiative's (NNI) public meeting on research needs related to the environmental, health, and safety aspects of engineered nanoscale materials.

Hypertension, prehypertension in young linked with heart enlargement
Hypertension and prehypertension in adolescents and young adults was associated with a higher risk of having an abnormally enlarged heart, researchers report in Circulation: Journal of the American Heart Association.

CDF precision measurement of W-boson mass suggests a lighter Higgs particle
Scientists at Fermilab announced the world's most precise measurement by a single experiment of the mass of the W-boson, the carrier of the weak nuclear force and a key parameter of the Standard Model of particles and forces.

European scientists receive funding from EU to develop novel therapy for cancer
New research program, code-named Apotherapy, intergrates the core skills and expertise of academic scientists, oncologists and biotechnology researchers from seven European countries.

Elsevier launches Journal of Hydro-environment Research
In April 2007, Elsevier will launch a new journal entitled Journal of Hydro-environment Research.

Annual plants may cope with global warming better than long-living species
Countering Charles Darwin's view that evolution occurs gradually, UC-Irvine scientists have discovered that plants with short life cycles can evolutionally adapt in just a few years to climate change.

Healthy eating is at a supermarket near you
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