Brightsurf Science News & Current Events

March 31, 2008
Spirit II explores long-term performance of XIENCE V stent
Early results of the SPIRIT II study showed that the XIENCE V stent was superior to the Taxus stent in both six-month findings on angiography and one-year clinical outcomes.

MicroRNAs, EMT and cancer progression
In the April 1 issue of G&D, a research team led by Dr.

Indiana University study finds majority of US physicians favor national health insurance
The largest survey ever of American physicians' opinions on health-care financing has found that 59 percent of doctors support government legislation to establish national health insurance while only 32 percent oppose it.

Brown hosts regional bioengineering conference
Brown University for the first time hosts the 34th Annual Northeast Bioengineering Conference on April 4-6, 2008.

Good sexual intercourse lasts minutes, not hours, therapists say
Satisfactory sexual intercourse for couples lasts from 3 to 13 minutes, contrary to popular fantasy about the need for hours of sexual activity, according to a survey of US and Canadian sex therapists.

Data storage using ultra-small needles
Dutch researcher Alexander le Febre has demonstrated that a field-emission current signal can be used to arrange the position of thousands of nanometer-sharp needles.

Lung transplants not dangerous for children with cystic fibrosis, after all
Responding to a study published in the New England Journal of Medicine, which concluded that lung transplants were harmful for children with cystic fibrosis, articles published in the latest issue of Pediatric Transplantation refute the conclusions and argue that the highly influential research was severely flawed.

Belimed Inc. and 3M Sterilization assurance to collaborate on education
Belimed Inc, a world leader in infection control systems, and 3M Sterilization Assurance, a world leader in sterilization monitoring products and a part of 3M Health Care, have formed a collaboration to jointly promote best practices in sterile processing in the United States.

Global Sourcing Council: 'Globalization and Sustainable Development in the Information Age'
Professor Christine Bullen, president of the Global Sourcing Council and a faculty member at the Howe School of Technology Management, Stevens Institute of Technology, has announced the next meeting of the GSC,

Harvard researchers publish MRI images of genes in action in the living brain
Biologists have just confirmed what poets have known for centuries: eyes really are windows of the soul -- or at least of the brain.

Running out of treatments: The problem superbugs resistant to everything
Doctors are running out of treatments for today's trauma victims and critically ill patients because of infections due to drug resistant microbes -- even after resorting to using medicines thrown out 20 years ago because of severe side effects, scientists heard today at the Society for General Microbiology's 162nd meeting being held this week at the Edinburgh International Conference Center.

Chloroform provides clue to 150 year old medical puzzle
One of the earliest general anesthetics to be used by the medical profession, chloroform, has shed light on a mystery that's puzzled doctors for more than 150 years -- how such anesthetics actually work.

How HIV hides itself
Researchers have discovered how Human Immunodeficiency Virus, which causes AIDS, can hide itself in our cells and dodge the attention of our normal defences, scientists heard today (Tuesday, April 1, 2008) at the Society for General Microbiology's 162nd meeting being held this week at the Edinburgh International Conference Center.

New research shows benefits of ultrasound contrast agents outweigh potential risk to heart patients
A Saint Louis University cardiologist called upon the US Food and Drug Administration today to reconsider a strong warning it recently placed on a diagnostic tool, stating that the warning could prevent doctors from detecting life-threatening cardiac events.

Self-organization of sandpile models
Dutch mathematician Anne Fey has investigated probability calculations in mathematical sandpile models.

American Chemical Society's Weekly PressPac -- March 26, 2008
The American Chemical Society's News Service Weekly PressPac contains reports from 36 major peer-reviewed journals on chemistry, health, medicine, energy, environment, food, nanotechnology and other hot topics.

Young black men are at higher risk of suicide than their white counterparts
A study examining suicide rates and pre-suicide clinical symptoms in people from different ethnic groups, has found that rates of suicide vary between ethnic groups with young black men aged 13 to 24 at highest risk.

Great Ape Trust to gather internationally recognized scientists for 'Decade of the Mind III'
Scientists from a variety of disciplines will gather in Des Moines May 7-9 when Great Ape Trust of Iowa hosts a free symposium,

Are you my mother? Transference more pronounced when we are tired
Extending the logic from existing research showing that individuals exhibited more stereotypic biases at a non-optimal time of day (i.e., in the morning for evening types and in the evening for morning types) Kruglanski and Pierro examined the occurrence of transference in participants' as related to their circadian rhythm.

For the paper trail of life on Mars or other planets, find cellulose
Looking for evidence of life on Mars or other planets?

Hydrogen storage in nanoparticles works
Dutch chemist Kees Balde has demonstrated that hydrogen can be efficiently stored in nanoparticles.

Study indicates diabetes medication may help slow plaque build-up in coronary arteries
A comparison of two types of medications to treat type 2 diabetes finds that pioglitazone is more effective at lowering the rate of progression of plaque build-up in the coronary arteries than glimepiride, according to a study in the April 2 issue of JAMA.

Pensioners relaxed in front of the computer
How can pensioners with little if any computer skills successfully cope with a digital information system?

'Alien'-type viruses to treat MRSA
New methods that involve sticking thousands of bacteria-killing viruses to wound dressings are offering ways to prevent hospital operating theaters from spreading infections, scientists heard Tuesday, April 1, 2008 at the Society for General Microbiology's 162nd meeting being held this week at the Edinburgh International Conference Center.

Climate change and human hunting combine to drive the woolly mammoth extinct
Climate models together with population models provide quantitative evidence that the combined effects of climate change and anthropogenic pressures can explain the extinction of the woolly mammoths.

Cuneiform clay tablet translated for the first time
A cuneiform clay tablet that has puzzled scholars for over 150 years has been translated for the first time.

Warming world holds new threats for Aussie wildlife
Climate change is likely to transform many of Australia's natural landscapes, according to a new study by CSIRO scientists.

Community-acquired MRSA spreads
Drug resistant hospital superbugs like MRSA have been kept under control in Denmark for more than 30 years.

2,500 researchers, 1 supermachine, 1 new snapshot of the universe
Deep in the bowels of the earth -- 100 meters below ground in Geneva, Switzerland -- lies a supermachine of 27 kilometers circumference that has been built to unlock the mysteries of the universe.

Researcher discovers pathway plants use to fight back against pathogens
Plants are not only smart, but they also wage a good fight, according to a University of Missouri biochemist.

Fatality rates increase with repeal of helmet laws, MU study finds
A recent study by a University of Missouri professor found that the motorcyclist fatality rate has increased in states that repealed their universal helmet laws during the past decade.

UK takes action against PVL-producing strains of Staphylococcus aureus
Lots of work is being done to recognize and control infections such as community-acquired MRSA and the UK is learning from situations in community and health care settings both here and abroad to stay ahead of the game, scientists will be told today at the Society for General Microbiology's 162nd meeting being held this week at the Edinburgh International Conference Center.

Lingering bacteria don't indicate chronic Lyme disease
The bacteria that cause Lyme disease can linger in mouse tissues long after a full round of antibiotic treatment is completed, report researchers from the University of California-Davis.

Engineers make first 'active matrix' display using nanowires
Engineers have created the first

Diabetics have same risk for heart attack, stroke or death from cardiovascular diseases
People with diabetes have the same high risk for heart attack or stroke or cardiovascular death as people who've already had a heart attack, researchers reported in Circulation: Journal of the American Heart Association.

No benefit found from continuing neuroleptic drugs in Alzheimer's patients
Results of a randomized trial published in PLoS Medicine show no benefit in cognitive or neuropsychiatric outcomes from continuing neuroleptic drugs in patients with Alzheimer's disease.

Mental disorders and exposure to war in Lebanon
In the first study in the Arab world to document mental illness and treatment on a national level, researchers from Lebanon have described the prevalence of mental disorders and their relation to exposure to war.

Howe School Alliance: 'Managing Risk and Uncertainty in Pursuit of Innovation'
The tension that exists between innovation and uncertainty has long been recognized: We could live in a safer world, but who would want to achieve it by abandoning innovation?

Annals of Internal Medicine tip sheet for April 1, 2008, issue
The Annals of Internal Medicine April 1, 2008 issue includes articles titled

Climate changing gas from some surprising microbial liaisons
The climate changing gas dimethyl sulphide is being made by microbes at the rate of more than 200 million tons a year in the world's seas, scientists heard today at the Society for General Microbiology's 162nd meeting being held this week at the Edinburgh International Conference Center.

Radioactive progenies of thoron can be measured accurately, thanks to the PTB
Approximately one fourth of our annual radiation exposure we absorb by breathing within our own four walls.

A new way to fight cancer: the silver shield
A unique study proposes a new paradigm in cancer treatment: instead of selectively attacking cancer cells, protect all the healthy cells.

UCLA researchers design nanomachine that kills cancer cells
A novel type of nanomachine that traps molecules such as anticancer drugs inside tiny pores and releases them inside cancer cells in response to light has been developed by researchers from the Nano Machine Center at the California NanoSystems Institute at UCLA.

US promotes democracy with book by Rutgers law professor
America's secret weapon in the global effort to promote understanding of US law and democracy just might be a book authored by a respected Rutgers-Camden legal scholar.

Physical activity delays onset of Huntington's in mouse model
The simple act of running in an exercise wheel delays the onset of some symptoms of Huntington's disease in a mouse model of the fatal human disorder according to research published in the open-access journal BMC Neuroscience.

Poor kids 4 times as likely to be seriously injured on roads as rich kids
Rates of serious injury among child pedestrians in poor areas of England are four times as high as those among children in affluent areas, finds research published ahead of print in the Archives of Disease in Childhood.

Successful qualification firing test for Zefiro 23
On March 27, 2008, the second stage motor for Vega -- Europe's new small launcher -- successfully completed a static firing test at the Salto Di Quirra Inter-force Test Range in Sardinia, Italy.

The Holocaust was not experienced in the same way by everyone
Jewish experiences of the Holocaust are complex. Swedish researcher Laura Palosuo from Uppsala University has studied the testimony of Hungarian survivors, and in her dissertation she shows that the way different people experienced the anti-Jewish legislation and the violence in the German occupied areas is linked to gender, age and social class.

Replacing absent microRNAs could make tumors less invasive, more treatable
One group of small, noncoding RNA molecules could serve as a marker to improve cancer staging and may also be able to convert some advanced tumors to more treatable stages.

New blood pressure medication has fewer side effects: global study
A major Canadian-led global study has found that a new blood pressure medication is effective in reducing cardiovascular death, with fewer side effects than the current standard of care.

Childhood leukemia survivors struggle with long-term comorbidities
Survival rates of childhood cancers, especially leukemia, have improved greatly in the past three decades, but survivors of this disease still seem to face many health and lifestyle challenges as young adults.

Registry unveils 'real-world' data on novel excel stent
Results of the CREATE study, which focused on the sirolimus-eluting Excel stent, are being reported today in a Late-Breaking Clinical Trials session at the SCAI Annual Scientific Sessions in Partnership with ACC i2 Summit in Chicago.

2-drug blood pressure therapy lowers cardiovascular risk
An international blood pressure study comparing two single-pill drug combinations has yielded results so significant that the study has been stopped early -- and the researchers say their findings might alter the way high blood pressure is treated worldwide.

Stanford researchers develop tool that 'sees' internal body details 1,000 times smaller
A team of Stanford University School of Medicine researchers has developed a new type of imaging system that can illuminate tumors in living subjects-getting pictures with a precision of nearly one-trillionth of a meter.

Newly discovered galaxy cluster in early stage of formation is farthest ever identified
UC Irvine scientists have discovered a cluster of galaxies in a very early stage of formation that is 11.4 billion light years from Earth -- the farthest of its kind ever to be detected.

Are women voters more likely to vote for female candidates?
Most people assume that women voters will automatically support female candidates with their votes, a phenomenon known as

UC San Diego researchers eliminate drug discovery bottleneck
Determining the structure of unknown natural compounds is a slow and expensive part of drug screening and development -- but this may now change thanks to a new combination of experimental and computational protocols developed at the University of California, San Diego and presented at RECOMB 2008 (Research in Computational Molecular Biology) on March 31 in Singapore.

AIDS may partly be the consequence of an evolutionary accident says scientist
AIDS, a fatal disease in humans, may partly be the consequence of an evolutionary accident, scientists heard today (Tuesday, April 1, 2008) at the Society for General Microbiology's 162nd meeting being held this week at the Edinburgh International Conference Center.

Tooth Bank seeks milk teeth from 100,000 children
The Norwegian Tooth Bank is requesting milk teeth from 100,000 children in Norway and could become the biggest tooth bank in the world.

Study finds concerns with biofuels
Biofuels are widely considered one of the most promising sources of renewable energy by policy makers and environmentalists alike.

International workshop to address capacity building for rainforest leaders
A major landmark in preparing for the dialogue with authorities of the UN Framework Convention on Climate Change will take place from April 1-4 in Manaus, Brazil, when forest leaders from 13 countries and experts will be participating in the workshop

First national autism registry shows notable impact on autism research in opening year
On April 2, the Kennedy Krieger Institute will commemorate World Autism Awareness Day and National Autism Awareness Month with the one-year anniversary of the Interactive Autism Network, the first national autism registry.

Mathematician foresees romps for Major League Baseball's American League in 2008
NJIT's indefatigable math professor Bruce Bukiet is once again opining on outcomes for this season's Major League Baseball teams.

Iowa State, ConocoPhillips and National Renewable Energy Lab to cooperate on biofuels research
Iowa State University, ConocoPhillips and the National Renewable Energy Laboratory have agreed to cooperate on research projects designed to advance the conversion of cellulosic biomass into biofuels.

Fewer babies born after Caesarean delivery
Women who have their first child by Caesarean subsequently have fewer children than women who give birth in the normal way.

Investigational anti-restenosis drug pimecrolimus disappoints
A new medication that researchers had hoped would reduce the risk of arterial renarrowing after stenting has turned in a disappointing performance in a multicenter clinical trial, but the multi-reservoir stent that was used to deliver the drug is still considered promising.

Tai Chi exercises improve type 2 diabetes control
Tai Chi exercises can improve the control of type 2 diabetes, suggests a small study, published ahead of print in the British Journal of Sports Medicine.

From bones to berserkers -- Vikings under the spotlight
Viking experts will be gathering at the University of Nottingham to discuss the findings of latest research into the Norsemen.

New data showed Actos prevented progression of atherosclerotic plaque volume in patients
New data from a clinical trial using intravascular ultrasound technology found that in patients living with type 2 diabetes, Actos reduced the atherosclerotic burden in the coronary arteries compared to glimepiride, and prevented progression compared to baseline.

Hospital Clínic conducts the first kidney extraction through the vagina in Europe
A group of the Urology Service of the Hospital Clínic, led by Dr.

Significant reductions in mortality shown using blood pressure-lowering treatment in very elderly
Lowering the blood pressure of elderly patients could cut their total mortality by a fifth and their rate of cardiovascular events by a third, according to a new study presented today at the American College of Cardiology in Chicago and published simultaneously in the New England Journal of Medicine.

Fat kids need less intensive exercise for effective weight loss
Fat kids are better off doing less intensive exercise if they are to shed the pounds effectively, suggests a study of pubescent boys, published ahead of print in the British Journal of Sports Medicine.

Survival of the fattest: TB accumulates fat to survive -- and spread
Medical scientists from the University of Leicester, together with colleagues from St.

Virtual reality underground ride reveals extent of public paranoia
A virtual reality underground ride has been used by researchers to reveal the extent that paranoia occurs in the general public.

Veterinary college researcher studying brain tumors in people and animals
Gliomas are an aggressive form of brain cancer that affects dogs and people.

Feathered friends favor fruity flavonoids
Fruit-eating birds actively select fruit with the highest concentrations of antioxidants -- compounds that help them maintain a healthy immune system -- ecologists have found.

Fire without smoke
Could combustion without flames be used to build industrial gas turbines for power generation that are much more efficient than current models and produce almost no polluting emissions?

Researchers identify a gene responsible for cases of Lou Gehrig's disease
A team of Canadian and French researchers has identified a novel gene responsible for a significant fraction of ALS (sporadic amyotrophic lateral sclerosis) cases.

Study questions 'cost of complexity' in evolution
Higher organisms do not have a

LLNL teams with Quantum Fuel Systems to accelerate development of hydrogen storage technologies
Lawrence Livermore National Laboratory is working with Quantum Fuel Systems Technologies on a next-generation manufacturing technique for hydrogen storage vessels.

Matrix registry probes adherence to clopidogrel at 1 year
A large community-based registry of patients treated with drug-eluting stents is providing important insight into how long patients with complex coronary artery disease typically stick to their doctors' orders to take clopidogrel, a drug that prevents unwanted blood clots; why they stop taking the drug; and the long-term consequences of that decision.

Turn that frown upside down -- healthy gums are something to smile about
A smile is one of the most universally recognizable facial expressions, helping to depict an individual's happiness, confidence, attractiveness, sociability and sincerity.

Brain lesions more common than previously thought
New research shows cerebral microbleeds, which are lesions in the brain, are more common in people over 60 than previously thought.

Drug-coated balloon overcomes in-stent restenosis
An angioplasty balloon coated with a drug that reduces renarrowing of the coronary arteries appears to be more effective than a drug-eluting stent in treating an unwanted build-up of tissue inside a bare-metal coronary stent.

Collaborative research database to benefit complementary and alternative medicine
The McGill University Health Center Research Institute and the University of Calgary in collaboration with Centennial College are launching the first-ever searchable database of outcome measures intended for complementary and alternative medicine researchers -- the IN-CAM Outcomes Database.

Stigma clings stubbornly to women living with HIV/AIDS
HIV-positive women in the United States face strikingly high levels of stigma, according to survey results released by amfAR, The Foundation for AIDS Research.

Faster and more sensitive electronics thanks to compact cooling
Electronics work better under cold conditions: with less thermal noise, detectors are more sensitive and low-noise amplifiers reduce noise further.

Think green, UO's Hutchison says, to reduce nanotech hazards
The University of Oregon's Jim Hutchison already holds three patents in the emerging field of nanotechnology as well as leadership roles in organizations that promote the technology's potential in materials science and medicine.

Study finds support for PCI in unprotected left main disease
Percutaneous coronary intervention may be a reasonable alternative to bypass surgery in patients with blockages in the left main coronary artery, according to a study that found no significant difference in rates of survival when stents and bypass surgery were used to restore blood flow through this critically important artery.

2 new star systems are first of their kind ever found
Astronomers have spied a faraway star system that is so unusual, it was one of a kind -- until its discovery helped them pinpoint a second one that was much closer to home.

Scientists: New technique identifies molecular 'biomarkers' for disease
University of Florida chemists are the first to use a new tool to identify the molecular signatures of serious diseases -- without any previous knowledge of what these microscopic signatures or

Are blood thinners post-op killers?
Current US guidelines for the prescription of potent anticoagulants by surgeons who perform joint replacement operations could be doing patients more harm than good, according to Dr.

First Mosaic laureate to gain doctorate for work on heart function
Dutch medical researcher Christiaan Tji-Joong Gan has established that patients with a high blood pressure in the lungs die because the right ventricle is not capable of pumping blood against this pressure.

Exploding star in NGC 2397
The latest image from the NASA/ESA Hubble Space Telescope reveals a sharp view of the spiral galaxy NGC 2397.

Hands-Only CPR simplifies saving lives for bystanders
Chest compressions alone, or Hands-Only Cardiopulmonary Resuscitation, can save lives and can be used to help an adult who suddenly collapses, according to a new American Heart Association scientific statement.

Researchers study why high school boys dodge 'Phys Ed'
As obesity and inactivity among North America's youth becomes a growing concern, new research based at the University of Western Ontario is asking why some high school boys are reluctant to participate in physical education classes.

Boosting self-esteem can backfire in decision-making
Smart business leaders understand that confidence affects decision-making and ultimately a company's earnings.

Angina drug potentially useful against heart rhythm disorders
A recently approved angina drug may also represent a powerful new treatment for a rare hereditary syndrome that places teens at risk for sudden cardiac death, according to research presented to today at the 57th Annual Scientific Sessions of the American College of Cardiology in Chicago.

New research provides insight into menopause
Insight into why females of some species undergo menopause while others do not has proven elusive despite an understanding of the biological mechanisms behind the change.

Specially designed soils could help combat climate change
Could part of the answer to saving the Earth from global warming lie in the earth beneath our feet?
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