Brightsurf Science News & Current Events

July 16, 2009
USC study finds links between obesity and adolescents' social networks
Researchers from the Institute of Prevention Research at the Keck School of Medicine of the University of Southern California found in a recent study that overweight youth were twice as likely to have overweight friends.

What are the characteristics of clarithromycin-resistant Helicobacter pylori?
Clarithromycin resistance is an uncommon occurrence among Malaysian isolates of Helicobacter pylori strains, and the mutations A2142G and A2143G detected were associated with low-level resistance.

Barrow researchers identify new brain receptor, possible target for Alzheimer's treatment
Barrow Neurological Institute researchers have identified a novel receptor in the brain that is extremely sensitive to beta-amyloid peptide and may play a key role in early stages of Alzheimer's disease.

Survey finds 6 in 10 Americans believe serious outbreak of H1N1 likely in fall/winter
The Harvard Opinion Research Program at the Harvard School of Public Health is releasing a national poll that focuses on Americans' views and concerns about the potential for a more severe outbreak of Influenza A (H1N1) in the fall or winter.

34 US Nobel Laureates urge inclusion of $150 billion in climate legislation
A group of 34 US Nobel Laureates is calling on President Obama to urge Congress to include the president's proposed $150 billion Clean Energy Technology Fund in the climate legislation it is considering.

Active video games a good alternative for kids
Scientists at the University of Oklahoma Health Sciences Center have found that playing active video games can be as effective for children as moderate exercise.

New science of learning offers preview of tomorrow's classroom
Of all the qualities that distinguish humans from other species, how we learn is one of the most significant.

Secrets of a life-giving amino acid revealed by Yale researchers
Selenium is a trace element crucial to life -- too little or too much of it is fatal.

Historic 'moon issue' of Science freely available
The historic Jan. 30, 1970, edition of the journal Science, featuring analysis of the first geological samples from the Moon, is now freely available to the public to commemorate the 40th anniversary of the first lunar landing on July 20, 1969.

LSUHSC post-doc awarded prestigious fellowship
Huijing Xia, Ph.D., a postdoctoral research associate in the Department of Pharmacology at LSU Health Sciences Center New Orleans, has been selected by the American Physiological Society to receive the APS Postdoctoral Fellowship in Physiological Genomics.

Enhancement of pancreatic cancer on dynamic CT: Does it correlate with angiogenesis and fibrosis?
Tumor angiogenesis has been recognized as a useful prognostic marker in human cancer, including pancreatic cancer.

UT Southwestern researchers investigate high-risk populations for bladder-cancer screenings
A new study by UT Southwestern Medical Center researchers sheds light on the challenges involved in identifying which high-risk population would benefit most from bladder-cancer screening.

Private and public insurance choices could help pay for national health care reform
As lawmakers debate how to pay for an overhaul of the nation's health care system, a new report from the Commonwealth Fund projects that including both private and public insurance choices in a new insurance exchange would save the United States as much as $265 billion in administrative costs from 2010 to 2020.

Gene regulates immune cells' ability to harm the body
A recently identified gene allows immune cells to start the self-destructive processes thought to underlie autoimmune diseases such as multiple sclerosis and rheumatoid arthritis, researchers at Washington University School of Medicine in St.

Cystic fibrosis treatments may have unseen long-term benefits
Cystic fibrosis medicines that help to break down mucus in the lungs may carry an unexpected long-term benefit, a study suggests.

A potential targeting gene therapy for developing HCV
An HCV-specific promoter is required to restrict transgene expression only in HCV infected cells.

Panel to commerate 40th anniversary of Apollo Eagle lunar landing
The American Institute of Aeronautics and Astronautics is pleased to announce that it will host a panel discussion commemorating the 40th anniversary of the Apollo Eagle lunar landing, which took place on July 21, 1969.

Springer to partner with the Indian Association of Surgical Oncology
Springer, one of the leading publishers in the fields of science, technology and medicine, has signed a co-publishing agreement with the Indian Association of Surgical Oncology, to launch the society's official publication, the Indian Journal of Surgical Oncology.

Mayo Clinic researchers find previous exercise helps stroke patients recover faster
A person who has exercised regularly prior to the onset of a stroke appears to recover more quickly, say researchers from Mayo Clinic in Florida, who led a national study.

Springer signs co-publishing agreement with the Association of Food Scientists and Technologists (India)
Springer, one of the leading publishers in the fields of science, technology and medicine, has signed a co-publishing agreement with the Association of Food Scientists and Technologists, India, for one of their publications, the Journal of Food Science and Technology.

Quantum goes massive
An astrophysics experiment in America has demonstrated how fundamental research in one subject area can have a profound effect on work in another as the instruments used for the Laser Interferometer Gravitational-Wave Observatory pave the way for quantum experiments on a macroscopic scale.

Argonne develops program for cyber security 'neighborhood watch'
US Department of Energy laboratories fight off millions of cyber attacks every year, but a near real-time dialogue between these labs about this hostile activity has never existed -- until now.

Male sex chromosome losing genes by rapid evolution, study reveals
Scientists long have suspected that the sex chromosome that only males carry, the Y chromosome, is deteriorating, but until now, no one has understood the evolutionary processes that control this chromosome's demise.

University of Guam scientist mite study
USEPA is funding an integrated pest management study for invasive mites on Guam.

Columbia University 1 of 4 sites to lead largest ever study of suicide in the military
Four of the nation's leading experts in suicide research, including Dr.

'Motion picture' of past warming paves way for snapshots of future climate change
By accurately modeling Earth's last major global warming -- and answering pressing questions about its causes -- scientists led by a University of Wisconsin-Madison climatologist are unraveling the intricacies of the kind of abrupt climate shifts that may occur in the future.

Preemies born in poverty 4 times less likely ready for school
Advances in neonatal care enable two-thirds of premature babies born with respiratory problems to be ready for school at an appropriate age, but those living in poverty are far less likely to be ready on time.

Our metallic reflection: Considering future human-android interactions
Everyday human interaction is not what you would call perfect, so what if there was a third party added to the mix -- like a metallic version of us?

Improving postoperative quality of life in gastric cancer patients by a special reconstruction method
Postoperative quality of life (QOL) is the main outcome for judging the efficacy of treatment modalities when no overall survival differences are demonstrated in patients with gastric cancer.

JNCI news brief: Thalidomide does not improve survival in small cell lung cancer
Treating patients with thalidomide in combination with chemotherapy for small cell lung cancer did not improve their survival but did increase their risk of blood clots, according to a new study published online July 16 in the Journal of the National Cancer Institute.

Solar cycle linked to global climate
Establishing a key link between the solar cycle and global climate, research led by scientists at the National Science Foundation-funded National Center for Atmospheric Research in Boulder, Colo., shows that maximum solar activity and its aftermath have impacts on Earth that resemble La Niña and El Niño events in the tropical Pacific Ocean.

Multitasking ability can be improved through training
Training increases brain processing speed and improves our ability to multitask, new research from Vanderbilt University published in the June 15 issue of Neuron indicates.

Stress and depression worsen childhood asthma, UB researchers show
Young people with asthma have nearly twice the incidence of depression compared to their peers without asthma, and studies have shown that depression is associated with increased asthma symptoms and, in some cases, death.

Serum bile acid profiling for inflammatory bowel disease characterization
Bile acids (BAs) are affected by inflammatory bowel disease (IBD) and their blood levels may reflect different clinical manifestations in the two IBD phenotypes, Crohn's disease and ulcerative colitis.

Genes and the environment interact to influence adolescent alcohol use
Adolescent alcohol use and behavior problems are influenced by both genetic and environmental factors.

Ancient global warming episode holds clues to future climate, UH Manoa researcher says
A global warming event 55 million years ago cannot be solely explained by atmospheric carbon dioxide levels, a study published in Nature Geoscience shows.

Is a society with smokers profitable?
The latest rise in the indirect taxation on tobacco and alcohol took place in June.

New geothermal heat extraction process to deliver clean power generation
A new method for capturing significantly more heat from low-temperature geothermal resources holds promise for generating virtually pollution-free electrical energy.

Gliomas exploit immune cells of the brain for rapid expansion
Gliomas are among the most common and most malignant brain tumors.

1 disease, 2 effects: Stroke
While both males and females are at risk for stroke, males have a particular sensitivity.

Obesity raises risk of complications in pregnancy, study shows
Expectant mothers who are obese are much more likely to suffer from minor complications such as heart burn and chest infections during pregnancy, a study suggests.

Genetic source of muscular dystrophy neutralized
Researchers at the University of Rochester Medical Center have found a way to block the genetic flaw at the heart of a common form of muscular dystrophy.

The American Society of Hematology announces new honorific award
The American Society of Hematology announces the debut of the Ernest Beutler Lecture and Prize, to be awarded at ASH's annual meeting in December.

Caltech, JPL scientists say that microbial mats built 3.4-billion-year-old stromatolites
Stromatolites are dome- or column-like sedimentary rock structures that are formed in shallow water, layer by layer, over long periods of geologic time.

Research indicates ocean current shutdown may be gradual
The findings of a major new study are consistent with gradual changes of current systems in the North Atlantic Ocean, rather than a more sudden shutdown that could lead to rapid climate changes in Europe and elsewhere.

Targeting MMPs to halt advanced metastatic breast cancer
An upcoming G&D paper reveals how two specific matrix metalloproteinase (MMP) proteins contribute to bone metastasis in advanced breast cancer -- lending important new insight into the design of clinically useful small molecule inhibitors.

Estrogen can reduce stroke damage by inactivating protein
Estrogen can halt stroke damage by inactivating a tumor-suppressing protein known to prevent many cancers, Medical College of Georgia researchers say.

Military model shows why defeating insurgent groups like Taliban is so difficult
Insurgent groups like the Taliban can only be effectively engaged with timely and accurate military intelligence, and even good intelligence may only succeed in containing the insurgency, not defeating it, according to a new study in the current issue of Operations Research, a flagship journal of the Institute for Operations Research and the Management Sciences.

Primate archaeology, proposal of a new research field
Recent research has highlighted the need to include other species such as gorillas and orangutans, as well as other extinct primate groups prior to hominids, in order to situate, for the first time in history, the full evolution of human behavior within a greater biological context.

Data show ATryn effectively prevents serious blood clots
Data presented at the annual meeting of the International Society on Thrombosis and Hemostasis show that ATryn safely prevents peri-operative and peri-partum acute deep vein thrombosis and other venous thromboembolic events in patients with hereditary antithrombin deficiency.

NIH funds support UAB joint replacement research
Newly announced National Institutes of Health funding will expand the reach of ongoing University of Alabama at Birmingham research into a unique nanostructured coating to improve the performance and longevity of total joint replacement components.

White House honors Los Alamos physicist's early career work
The White House has announced that Los Alamos National Laboratory physicist Ivan Vitev has received a prestigious Presidential Early Career Award for Scientists and Engineers.

An eagle of cosmic proportions
Today ESO has released a new and stunning image of the sky around the Eagle Nebula, a stellar nursery where infant star clusters carve out monster columns of dust and gas.

Discovery of new transmission patterns may help prevent rotavirus epidemics
New vaccines have the potential to prevent or temper epidemics of the childhood diarrhea-causing disease rotavirus, protect the unvaccinated and raise the age at which the infection first appears in children, federal researchers reported in a study today.

New pheromone helps female flies tell suitors to 'buzz off'
Using a new form of high-resolution laser mass spectrometry, researchers scanning the surface of fruit flies discovered a previously unidentified pheromone -- CH503 -- that contributes to the anti-aphrodisiac effects observed in female fruit flies after copulation.

Nepean Dyspepsia Index applies to functional dyspepsia in China
Functional dyspepsia research in China was limited by absence of a valid instrument for assessment of the disease.

HJF enters cooperative agreement to support US Army's suicide research
The Henry M. Jackson Foundation for the Advancement of Military Medicine Inc. has entered a cooperative agreement with the Uniformed Services University of the Health Sciences, the Army, the National Institute of Mental Health and three leading research universities to study suicide risk among US service members and to develop intervention measures.

Children with FASD have more severe behavioral problems than children with ADHD
Children with fetal alcohol spectrum disorders (FASD) have a high risk of psychiatric problems, including attention deficit hyperactivity disorder (ADHD).

Study reveals sandfish tucks legs and swims like a snake through desert sand
A study published in the July 17 issue of the journal Science details how sandfish -- small lizards with smooth scales -- move rapidly underground through desert sand.

Falling birth rates shift rotavirus epidemics
Fewer births in states such as California may be delaying the annual onset of a common intestinal virus in the southwest, according to epidemiologists.

New online publication for the molecular life sciences
Cold Spring Harbor Laboratory Press today launched a new monthly publication, Cold Spring Harbor Perspectives in Biology, that provides comprehensive, systematically structured surveys of research in exciting areas of molecular and cellular biology, genetics, developmental biology, neuroscience, cancer biology and molecular pathology.

La Jolla Institute discovers genetic trigger for disease-fighting antibodies
A research team led by the La Jolla Institute for Allergy & Immunology has identified the specific gene which triggers the body to produce disease-fighting antibodies -- a seminal finding that clarifies the exact molecular steps taken by the body to mount an antibody defense against viruses and other pathogens.

Edible coating makes fish filets longer-lasting, healthier
Consumers may soon be able to eat longer-lasting, potentially healthier fish filets.

Researchers discover evolutionary event underlying the origin of dachshunds, dogs with short legs
A single evolutionary event appears to explain the short, curved legs that characterize all of today's dachshunds, corgis, basset hounds and at least 16 other breeds of dogs, a team led by the National Human Genome Research Institute, part of the National Institutes of Health, reported today.

Solar cycle linked to global climate, drives events similar to El Nino, La Nina
New research shows that maximum solar activity and its aftermath have impacts on Earth that resemble La Niña and El Niño events in the tropical Pacific Ocean.

Higher speed limits cost lives
The repeal of the federal speed control law in 1995 has resulted in an increase in road fatalities and injuries, according to researchers at the University of Illinois at Chicago School of Public Health.

Learning is social, computational, supported by neural systems linking people
Education is on the cusp of a transformation because of recent scientific findings in neuroscience, psychology, and machine learning that are converging to create foundations for a new science of learning.

Less trouble at mill, thanks to earthworms
Waste from the textiles industry could with the assistance of earthworms and some animal manure become a rich compost for agriculture, according to a report in the International Journal of Environment and Pollution.

Knowing me, myself and I: What psychology can contribute to self-knowledge
How well do you know yourself? It's a question many of us struggle with, as we try to figure out how close we are to who we actually want to be.

Cost-effective strategy to screen second primary colorectal cancers in cancer survivors
To suggest a feasible economic strategy for second primary colorectal cancer screening of cancer survivors in Korea, a research group constructed a decision-analytic model, compared cost-effectiveness results of cancer screening in male cancer survivors.

Circumcision of HIV-infected men does not reduce HIV transmission to female partners
A randomized trial in Uganda has shown that circumcision of HIV-infected men does not reduce HIV transmission to female partners.

Doctors angry about BNP campaign tactics
Correspondence and a linked editorial in this week's Lancet criticize the election tactics employed by the British National Party prior to the recent European Elections.

1 small step in the search for moonwalk tapes
The world will get the first glimpse of what the historic Apollo 11 moonwalk really looked like thanks to the exceptional footage taken from Australian telescopes on July 21 (Australian time), 1969.

Baking soda: For cooking, cleaning and kidney health?
A daily dose of sodium bicarbonate -- baking soda, already used for baking, cleaning, acid indigestion, sunburn and more -- slows the decline of kidney function in some patients with advanced chronic kidney disease, reports an upcoming study in the Journal of the American Society of Nephrology.

New information about DNA repair mechanism could lead to better cancer drugs
Researchers at Washington University School of Medicine in St. Louis have shed new light on a process that fixes breaks in the genetic material of the body's cells.

Researchers find that eating high levels of fructose impairs memory in rats
Researchers at Georgia State University have found that diets high in fructose -- a type of sugar found in most processed foods and beverages -- impaired the spatial memory of adult rats.

Researchers uncover genetic variants linked to blood pressure in African-Americans
A team led by researchers from the National Institutes of Health today reported the discovery of five genetic variants related to blood pressure in African-Americans, findings that may provide new clues to treating and preventing hypertension.

Technology is key for biofuel success
To make the conversion of biomass to biofuels more cost-effective, new technologies are essential, according to Dr.
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