Brightsurf Science News & Current Events

November 29, 2004
Brain imaging with MRI could replace lie detector
When people lie, they use different parts of their brains than when they tell the truth, and these brain changes can be measured by functional magnetic resonance imaging (fMRI), according to a study presented today at the annual meeting of the Radiological Society of North America.

Improved molecular switch could serve as sensor, medical tool
Improving significantly on an early prototype, researchers have found a new way to join two unrelated proteins to create a molecular switch, a nanoscale

Promising results in the battle against incurable ALS muscle disease
New VIB research shows that rats with a severe form of ALS live longer following the administration of the VEGF protein as a remedy.

New biopsy technique helps assess breast cancer's spread
Researchers at the University of Michigan Comprehensive Cancer Center have found a new non-surgical technique can help doctors determine when breast cancer has invaded the lymph nodes, sparing some women an extra trip to the operating room.

Oral saline spray may slash spread of exhaled pathogens
Some individuals exhale many more pathogen-laden droplets than others in the course of ordinary breathing, scientists have found, but oral administration of a safe saline spray every six hours might slash exhalation of germs in this group by an average 72 percent.

Alliance congratulates Congress and NIH
The Alliance for Taxpayer Access, a national coalition of organizations that support enhanced public access to published NIH-funded research, today expressed appreciation to Congress for signaling support through the year-end omnibus appropriations bill for the proposed NIH policy.

Stratosphere temperature data support scientists' proof for global warming
A new interpretation for satellite data published earlier this year raised controversy when its authors claimed it eliminated doubt that, on average, the lower atmosphere is warming as fast as the Earth's surface.

Brain remapping may be key to recovery from stroke
People suffering from paralysis due to stroke or traumatic brain injury may be able to reprogram their brains to improve motor skills and to control artificial limbs, according to a study presented today at the annual meeting of the Radiological Society of North America (RSNA).

New pheromone creates buzz about the clout of older bees
A recent discovery unveils the chemical secret that gives old bees the authority to keep young bees home babysitting instead of going out on the town.

Is the '3 by 5' initiative the best approach to tackling the HIV pandemic?
Jim Yong Kim, of the World Health Organization, argues that getting 3 million HIV positive people on antiretroviral treatment by the end of 2005 is the right strategy.

Differences in gene usage dramatically change bacteria's 'lifestyles'
When and where a bacterium uses its DNA can be as important as what's in the DNA, according to researchers at Washington University School of Medicine in St.

A global view of gene expression in the aging kidney
A study of human aging in the kidney reveals similar changes in the transcriptional profile in cortex and medulla, suggesting that a common underlying aging process is taking place.

Smokers' lung cancer risk identified in CT screening study
For the first time, researchers can predict the lung cancer risk for social smokers as well as habitual smokers.

Disoriented T cells cause liver disease
T cells activated in the gut during inflammatory bowel disease can be re-routed to the liver and cause chronic liver disease, according to Eksteen and colleagues in the December 1 issue of The Journal of Experimental Medicine.

NIH convenes State-of-the-Sceince Conference on Improving End-of-Life Care
The National Institutes of Health (NIH) will hold a State-of-the-Science Conference on Improving End-of-Life Care, December 6-8, 2004 at the Natcher Conference Center on the NIH campus in Bethesda, Maryland.

Researchers compost old mobile phones & transform them into flowers
Researchers at the University of Warwick in England, in conjunction with PVAXX Research & Development Ltd, have devised a novel way to recycle discarded mobile telephones - bury them and watch them transform into the flower of your choice.

Robots - our helpers in space
A big advantage of space robots is that they need neither food nor drink and can support very inhospitable conditions.

Psychological stress and disease: UCSF-led study suggests connection
Increasing scientific evidence suggests that prolonged psychological stress takes its toll on the body, but the exact mechanisms by which stress influences disease processes have remained elusive.

World's largest scientific society to hold ProSpectives conference on process chemistry
The American Chemical Society, the world's largest scientific society, will hold its fourth annual ACS ProSpectives Conference on process chemistry Feb.

Using celebrities to market drugs and diseases: what's the problem?
Drug industry insiders share their tips on using celebrities to market drugs and diseases.

MRC study reinforces effectiveness of spinal manipulation
The American Chiropractic Association (ACA) is applauding a new study from the Medical Research Council (MRC) that shows that spinal manipulation - the primary form of care performed by doctors of chiropractic - combined with an exercise program offers effective treatment for those suffering from back pain.

University of Texas at Austin researchers identify drug-tolerance mechanism in flies
A nerve-cell protein makes fruit flies tolerate a drug after a single, brief exposure, potentially paving the way to addiction, scientists have determined.

New study by UGA researcher shows that Salmonella uses hydrogen as an energy source
New research, headed by microbiologists from the University of Georgia, show for the first time that Salmonella - a widespread and often deadly bacterial pathogen - use molecular hydrogen to grow and become virulent.

Pain reliever may help treat life-threatening childhood disease
A drug withdrawn from pharmacy shelves over 20 years ago may point the way to a new treatment for spinal muscular atrophy, or SMA, a muscle-wasting and often life-threatening childhood disease.

'Lighter than air' breathing more than doubles COPD patients' exercise endurance
Breathing a helium/oxygen mixture allowed COPD patients to more than double their exercise time.

MBL scientists embark on international effort to uncover microbial diversity in world's oceans
In an unprecedented effort to catalog the Earth's known marine microbes, and explore the ocean's yet untold microbial diversity, Mitchell L.

Brains of people with autism recall letters of the alphabet in brain areas dealing with shapes
In contrast to people who do not have autism, people with autism remember letters of the alphabet in a part of the brain that ordinarily processes shapes, according to a study from a collaborative program of the National Institute of Child Health and Human Development of the National Institutes of Health.

Imaging technology solves 400-year-old mystery
Using multi-detector computed tomography (MDCT), scientists have confirmed that scurvy killed nearly half of America's first colonists on Saint Croix Island 400 years ago, according to research presented today at the annual meeting of the Radiological Society of North America (RSNA).

Testosterone deficiency found in one-third of diabetic men
Low testosterone production appears to be a common complication of type 2 diabetes in men, affecting 1 out of 3 diabetic patients, a new study has shown.

Antibiotic rifampicin shows promise for fighting Parkinson's disease in lab tests
Researchers have shown that rifampicin, an antibiotic used to treat leprosy and tuberculosis, can prevent the formation of protein fibrils associated with the death of brain cells in people with Parkinson's disease.

Resistin integral part of the inflammatory response
The role of the hormone resistin in human metabolic diseases has been questioned because it is primarily secreted by macrophages in rather than fat cells, as in mice.

Primary teacher development project in Vietnam secures $6 million funding
The University of Manchester's Centre for Formative Assessment Studies (CFAS) has been contracted by The World Bank and the UK government's Department for International Development (DfID) to initiate a potential $6 million programme to improve the quality of primary education through upgrading the national primary teacher training programme in Vietnam.

Novel imaging technique shows abnormal brain anatomy in children with ADHD
Children with attention deficit hyperactivity disorder (ADHD) display anatomical brain abnormalities beyond chemical imbalance, according to research presented at the annual meeting of the Radiological Society of North America (RSNA).

Columbia researchers identify drug as therapeutic candidate for spinal muscular atrophy
Using a newly developed technology, a team of Columbia University researchers has uncovered that indoprofen, a nonsteroidal anti-inflammatory drug, may increase the production of a protein lacking in patients with spinal muscular atrophy (SMA), a fatal pediatric genetic disease.

Scientists first to grow common cause of food poisoning in the lab
Scientists at Washington University School of Medicine in St. Louis have become the first to successfully grow a norovirus in the lab.

President Bush appoints Arden Bement as NSF director
President Bush on Nov. 24 officially appointed Arden L Bement, Jr. as the 12th director of the National Science Foundation (NSF), the independent federal agency that supports fundamental research and education across nearly all fields of science and engineering.

New method to measure ancient land elevation developed by Field Museum scientist
A novel way to determine land elevation as continents moved around the Earth through geological ages.

The poppy-seed bagel theorem
Vanderbilt mathematicians have come up with a new and improved way to distribute points uniformly on various types of surfaces: a procedure that has a surprising number of applications.

Gene therapy shows promise in model of Parkinson's disease
Scientists at the Ecole Polytechnique Federale in Lausanne, Switzerland, have conducted experiments that might lead to gene therapy treatment options for patients with Parkinson's disease.

Patients' own stem cells used to cure incontinence
Austrian researchers are successfully treating incontinent women with the patient's own muscle-derived stem cells.

Humble Planaria worm offers ideal model for drug withdrawal research
Through the humble Planaria worm, Temple University researchers hope to discover what happens when drug abusers who take more than one drug --a common practice-- go into withdrawal.

'Sobering' disparity: African-Americans receive less compensation for job-related back injuries
New Saint Louis University research shows African-Americans and the poor fare worse when it comes to getting treated and compensated for work-related back pain.

Study in Royal Society journal on possible genetic factors in social responsiblity
Weekly Royal Society journals release includes genetic and environmental factors in social responsibility plus possible spread of Argentinian ants through global warming.

Stronger therapy better for AML with normal genetics
New research is helping select which therapies improve the chances of remission in the largest category of people affected by acute myeloid leukemia (AML) - those whose cancer cells have normal-looking chromosomes.

Finding could improve safety of stem cell transplants
A lipid that helps destroy potentially harmful cells during brain development shows promise for improving the safety and efficacy of stem cell transplants, say researchers at the Medical College of Georgia and University of Georgia.

Third Williams student in recent years wins Apker award in physics
Recent Williams College graduate, Nathan Hodas '04, has been awarded the 2004 American Physical Society's Leroy Apker Award for achievement in undergraduate physics.

Radiologists help provide worldwide access to ancient art
Using computed tomography (CT) and 3-D modeling, radiologists are assisting in the restoration and display of a 5,300-year-old Egyptian mummy mask.

World AIDS day: US women with HIV lack access to health care
On this World AIDS Day, December 1, one in five women with HIV in the United States has no health insurance.
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