Brightsurf Science News & Current Events

August 09, 2007
Using MRI for diagnosis could help prevent breast cancer progression
Using magnetic resonance imaging to diagnose breast cancer in its intraductal stage could help prevent the development of invasive cancer, conclude authors of an article in this week's edition of the Lancet.

Scuppering pirates improves Internet audio
A new digital watermarking system published today in Inderscience's International Journal of Advanced Media and Communication not only protects music and media files from online pirates, but also ensures that the quality for legitimate users is as good as it gets.

Preventive treatments in elderly people needs rethinking
Rather than prolonging life, preventive treatments in elderly people may simply change the cause of death -- the manner of our dying, say doctors in this week's BMJ.

Cities incite thunderstorms, researchers find
Summer thunderstorms become much more fierce when they collide with a city than they would otherwise be in the open countryside, according to research led by Princeton engineers.

ESF EURYI award winner aims to stop cancer cells reading their own DNA
A promising new line in anticancer therapy by blocking the molecular motors involved in copying genetic information during cell division is being pursued by young Dutch researcher Dr.

New contracts support clinical trials on antibiotic-resistant, community-acquired staph infections
NIAID today announced the award of two new five-year contracts to study whether selected oral, off-patent antibiotics can effectively treat uncomplicated cases of skin and soft tissue infections caused by community-acquired methicillin-resistant Staphylococcus aureus bacteria.

Despite claims, not all probiotics can treat diarrhea say experts
Several probiotic products are marketed as effective treatments for acute diarrhea in children, but a study published online today finds that not all of these preparations are effective.

Nationwide data highlight encouraging trends, 'staggering' costs of ESRD
Recent progress in the prevention and treatment of end-stage renal disease in the United States give reason for

NIH scientists target future pandemic strains of H5N1 avian influenza
Preparing vaccines and therapeutics that target a future mutant strain of H5N1 influenza virus sounds like science fiction, but it may be possible, according to a team of scientists at the National Institute of Allergy and Infectious Diseases, a component of the National Institutes of Health, and a collaborator at Emory University School of Medicine.

Seat belt injuries could signal more serious trauma in children
Ill-fitting seatbelts raise the risk of serious injury to children involved in car accidents.

Gilbert Foundation and American Fed for Aging Research award grants on Alzheimer's disease
To address the need for more research into the prevention, diagnosis and treatment of Alzheimer's, six early-career scientists were awarded the first Rosalinde and Arthur Gilbert Foundation/AFAR New Investigator Awards in Alzheimer's disease.

Swarming starlings help probe plasma, crowds and stock market
Researchers at the University of Warwick's Physics Department's Center for Fusion, Space and Astrophysics have found a powerful technique that could be used to detect precisely when ordered patterns form in everything from plasma in the solar wind and fusion reactors, to crowds of people, or flocks of birds.

Most seniors now have drug coverage, U-M study shows
More than 90 percent of Americans age 65 and older now have prescription drug coverage, compared to more than 75 percent who were covered in 2004, according to a University of Michigan analysis.

deCODE discovers cause of major subtype of glaucoma
deCODE scientists have identified a sequence variant responsible for virtually all cases of a major subtype of glaucoma.

New system of wastewater treatment could reduce the size of treatment plants by half
UGR researchers have developed new technologies to obtain cheaper water of higher quality that would also reduce unwanted mud production.

Chromatin remodeling complex connected to DNA damage control
When molecular disaster strikes, causing structural damage to DNA, players in two important pathways talk to each other to help contain the wreckage, scientists at the University of Texas M.

Climate change and permafrost thaw alter greenhouse gas emissions in northern wetlands
Permafrost -- the perpetually frozen foundation of the north -- isn't so permanent anymore, and scientists are scrambling to understand the pros and cons when terra firma goes soft.

Emory physicist opens new window on glass puzzle
When most people look at a window, they see solid panes of glass, but for decades, physicists have pondered the mysteries of window glass: Is glass a solid, or merely an extremely slow moving liquid?

UCLA researchers awarded $9M contract for study identifiying antibiotic treatment for MRSA
The National Institute of Allergy and Infectious Diseases, part of the National Institutes of Health, has awarded a UCLA research team a five-year, $9 million contract to fund a multicenter study investigating antibiotic treatments for MRSA, a staph infection seen increasingly in communities across the nation that is resistant to antibiotics most commonly used to treat skin infections.

Abandoned mines on public lands: cleaning up is hard to do
Preventing release of toxic materials from abandoned mines on public lands is both a huge problem and a daunting task.

OHSU turns mouse into factory for human liver cells
Oregon Health & Science University researchers have figured out how to turn a mouse into a factory for human liver cells that can be used to test how pharmaceuticals are metabolized.

Advisory -- World's largest gathering for the study of politics in Chicago Labor Day weekend
The 103rd Annual Meeting of the American Political Science Association will convene from Aug.

Pathway links inflammation, angiogenesis and breast cancer
A well-known inflammatory protein spawns an enzyme that inactivates two tumor-suppressing genes, ultimately triggering production of new blood vessels to nourish breast cancer cells, researchers at the University of Texas M.

Researchers suggest TB screening for all international adoptees
University of Alberta researchers stress that all children adopted from outside North America should be screened for tuberculosis.

Warfarin better than aspirin at stroke prevention in elderly people with atrial fibrillation
Warfarin is more effective than aspirin in prevention of stroke in people with a certain type of irregular heartbeat who are aged 75 or over, conclude authors of an article published in this week's edition of the Lancet.

Women with migraines and visual symptoms may have higher stroke risk
Women who have migraine headaches with visual symptoms (or aura) may be at increased risk for stroke compared to women who do not have migraines, researchers reported in Stroke: Journal of the American Heart Association.

A unique arrangement for egg cell division
Using a powerful microscope, researchers from the European Molecular Biology Laboratory have now revealed how the molecular machinery functions that is responsible for chromosome reduction of egg cells in mice.

Genetic variation helps to understand predisposition to schizophrenia
Scientists have provided new insight into how a gene is related to schizophrenia.

Render smoke and fog without being a computation hog
Computer scientists from UC-San Diego have developed a way to generate images like smoke-filled bars, foggy alleys and smog-choked cityscapes without the computational drag and slow speed of previous computer graphics methods.

Reductive stress linked to heart disease
Antioxidants are widely considered an important defense against heart disease, but University of Utah researchers have found excessive levels of one antioxidant -- reduced glutathione -- actually may contribute to the disease.

Computers expose the physics of NASCAR
Computer scientists at the UW developed a new way to simulate and display complex situations very quickly.

A study by the MUHC and McGill University opens a new door to understanding cancer
An in-depth understanding of the mechanisms that trigger cancer cell growth is vital to the development of more targeted treatments for the disease.

New search engine ranks tables by title, document content, text reference
Penn State researchers have developed a search engine -- TableSeer -- which not only can identify and extract tables from PDF documents but also can index and rank the search results using factors including the table's title, text references to the table and date of publication.

New molecular regulators of hyperthyroidism and goiter
Thyroid gland function is regulated by the hormone TSH. Increased levels of TSH and increased signaling through its receptor cause hyperthyroidism and goiter.

New study suggests Concord grape juice may provide protection against breast cancer
According to a new study, published in the current issue of the Journal of Medicinal Foods, natural compounds in Concord grape juice protected healthy human breast cells from DNA damage.

Research shows skeleton to be endocrine organ
Researchers at Columbia University Medical Center have now identified a surprising and critically important novel function of the skeleton.

Arctic climate study reveals impact of industrial soot
Scientists from the Desert Research Institute and their collaborators have determined that Northern Hemisphere industrial pollution resulted in a seven-fold increase in black carbon in Arctic snow during the late 19th and early 20th centuries.

Penguins march into new park
The Bronx Zoo-based Wildlife Conservation Society announced today that the government of Argentina will create a new marine park along its isolated and windswept Patagonia coast to safeguard more than half a million penguins and other rare seabirds.

JCI table of contents: Aug. 9, 2007
This release contains summaries, links to PDFs and contact information for the following newsworthy papers to be published online, Aug.

New study counts the economic cost of persistent pain in Australia
Pain medicine experts are setting out to conduct the first ever study to determine the true economic cost of persistent pain in Australia in a project being funded by the MBF Foundation.

'Heroes of Chemistry' honored for medical, energy, environmental breakthroughs
An improved antipsychotic medicine, a cost-effective, environmentally friendly polyester production process, a new treatment for patients with iron-overload from transfusions, a new method using corn instead of petrochemicals to create numerous products and a process that improves packaging for food are the inventions of the 2007 Heroes of Chemistry.

No evidence that widely prescribed statins protect against prostate cancer
A large community-based study refutes previous findings that statins -- a top-selling drug class, worldwide -- might cut one's risk of developing prostate cancer by reducing production of the male hormones that fuel cancer growth.

Tropical insects 'go the distance' to inform rainforest conservation
The long-held belief that plant-eating insects in tropical forests are picky eaters that stay

Stanford researchers find culprit in aging muscles that heal poorly
Workers who get incomplete instructions produce an incomplete product, and that's exactly what happens with the stem cells in our aging muscles, according to researchers from the Stanford University School of Medicine.

Antioxidant overload may underlie a heritable human disease
Despite the popular notion that antioxidants, such as vitamins C and E, offer health-promoting benefits by protecting against damaging free radicals, a new study in the Aug.

A woman who heard voices with her own speech impairments
The unusual case of a woman who heard voices with her own speech impairments in her head after a bicycle accident is examined in a case report in this week's edition of the Lancet.

Bioengineering to prevent iron deficiency?
Using selective plant breeding and genetic engineering could be used to reduce the incidence of iron deficiency worldwide by improving the quality of dietary iron, conclude authors of a seminar in this week's edition of the Lancet.

Galileo to support global search and rescue
The detection of emergency beacons will be greatly improved by the introduction of Europe's satellite positioning system, Galileo.

Researchers directly deposit gold nanoparticles in suspension
Researchers from Northwestern University have demonstrated the ability of a third-generation nanofountain probe to directly deposit gold nanoparticles, 15 nanometers in diameter, onto silicon substrates.

Evolution is driven by gene regulation
It is not just what's in your genes, it's how you turn them on that accounts for the difference between species -- at least in yeast -- according to a report by Yale researchers in this week's issue of Science.

Hormone regulates fondness for food
Scientists have discovered that leptin, one of the key hormones responsible for reducing hunger and increasing the feeling of fullness, also controls our fondness for food.

Ultrafast laser spectrometer measures heat flow through molecules
As reported in the Aug. 10 issue of the journal Science, Dana Dlott, engineering professor David Cahill and colleagues at Illinois have now developed an ultrafast thermal measurement technique capable of exploring heat transport in extended molecules fastened at one end to a metal surface.

FSU physicist takes a trip to nuclear 'island of inversion'
Far from the everyday world occupied by such common elements such as gold and lead lies a little-understood realm inhabited by radioactive, or unstable, elements.

1 of deep ocean's most turbulent areas has big impact on climate
More than a mile beneath the Atlantic's surface, roughly halfway between New York and Portugal, seawater rushing through the narrow gullies of an underwater mountain range much as winds gust between a city's tall buildings is generating one of the most turbulent areas ever observed in the deep ocean.

Smokeless tobacco more effective than cigarettes for delivering dangerous carcinogens into the body
It may not be inhaled into the lungs, but smokeless tobacco exposes users to some of the same potent carcinogens as cigarettes.

Reanalysis of controversial meta-analysis says writing off rosiglitazone may be premature
A reanalysis of the data used in a previous analysis of the drug Rosiglitazone -- marketed by GlaxoSmithKoine as Avandia -- using different statistical models suggests that the earlier methodology may have resulted in inflated risk estimates.

Some women benefit more from exercise when emphasis is on health, not appearance
A new study suggests that women with chronic issues with their body-image are more likely to benefit from an exercise class where the instructor emphasizes the health benefits of the workout over improved appearance, even if those women chose the class in hopes of improving their physique.

Rain forest protection works in Peru
A new regional study shows that land-use policies in Peru have been key to tempering rain forest degradation and destruction in that country.

Man-made soot contributed to warming in Greenland in the early 20th century
New research shows that industrial development in North America between 1850 and 1950 greatly increased the amount of black carbon -- commonly known as soot -- that fell on Greenland's glaciers and ice sheets. is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to