Brightsurf Science News & Current Events

February 10, 2005
Teaching a less obvious medical skill -- Ethical decision-making
One of the things medical students paradoxically learn about ethical decision-making in patient care is that an

Electronic medical records reduce hours, cut cost
A new clinical study published today in this month's American Journal of Managed Care demonstrated that a technology-driven clinical decision support system applying evidence-based clinical guidelines to patient's electronic medical data helps flag potentially serious clinical errors or deviations from accepted best practices, while making a significant improvement on the cost and quality of medical care.

New study affirms reliability of fossil record
The fossil record may not be perfect, but it passed a critical test with flying colors, according to a study by University of Chicago paleontologist Susan M.

Newly identified gene cluster on mouse X chromosome provides insights into fertility
Researchers at The University of Texas M. D. Anderson Cancer Center have discovered a cluster of 12 genes on the X chromosome in mice that appears to play an important role in reproduction.

Joslin scientists show knocking out two key signals will cause diabetes
Using a revolutionary technique to turn off chemical signals inside the cell, scientists at Joslin Diabetes Center have discovered that the different metabolic abnormalities present in type 2 diabetes can be caused by knocking out two key signals in liver cells.

High levels of airborne mouse allergen in inner-city homes could trigger asthma attacks
The amount of mouse allergen found in the air in many inner-city homes could be high enough to trigger asthma symptoms in the children who live there, say researchers at the Johns Hopkins Children's Center.

Chemical compounds found in whale blubber are from natural sources, not industrial contamination
Whale blubber provides definitive clues to the source of chemical compounds found in humans and marine mammals, produced for industrial use but also naturally by plants and animals.

Progress toward a new remedy for chronic urinary tract infections?
Researchers from the Flanders Interuniversity Institute for Biotechnology (VIB) at the Free University of Brussels have recently published results that show promise in the quest for a new remedy for chronic urinary tract infections.

Research news from the Friedman School of Nutrition Science and Policy at Tufts University
Research news includes the following releases: 'Genetics Research Unlocks a Key Regulator of Weight in White Women' and 'Researchers in Quest of Osteoporosis Prevention Find Benefits in Vitamin B12.'

Preschoolers' motivation and temperament relate to attention skills
Attention in young children may be more complicated than we think.

Iranian woman's solution to 20-year molecular riddle earns Young Scientist Award
For correctly identifying

UT Southwestern doctors track Oklahoma Alzheimer's patients via telemedicine
Checking on Alzheimer's patients miles away is now as close as a simple satellite linkup.

Overseas junior doctors warned to expect unemployment in the UK
So many junior overseas doctors are struggling to get jobs in the United Kingdom that they are now being warned to be prepared for long periods of unemployment, writes Peter Trewby, of the Royal College of Physicians in this week's BMJ Career Focus.

New system can measure productivity of oceans
Researchers at Oregon State University, NASA and other institutions announced today the discovery of a method to determine from outer space the productivity of marine phytoplankton - a breakthrough that may provide a new understanding of life in the world's oceans.

Leadership gift from Sulpizio Family for new state-of-the-art cardiovascular center at UCSD
The University of California, San Diego today announced a leadership gift of $10 million from Richard and Maria (Gaby) Sulpizio, to support the construction of a new state-of-the-art facility that will centralize UCSD's cutting-edge patient care and clinical research activities in heart and vascular disease and stroke management.

UCSD discovery may help extend life of natural pesticide
A team led by biologists at the University of California, San Diego has discovered a molecule in roundworms that makes them susceptible to Bacillus thuringiensis toxin, or Bt toxin--a pesticide produced by bacteria and widely used by organic farmers and in genetically engineered crops to ward off insect pests.

Babies can learn words before their first birthday
A new study has shown that, contrary to previously held beliefs, babies under the age of one can learn specific words not related to their interests or routines.

Researchers uncover secrets behind nanotube formation
A multinational team of scientists has discovered that multi-walled carbon nanotubes made by the pure carbon arc method are, in fact, carbon crystals that form inside drops of glass-coated liquid carbon.

Over prescribing causing high rates of antibiotic resistance in south and east Europe
Resistance to antibiotics is more common in southern and eastern Europe than in northern Europe because the regions have high rates of antibiotic use, suggests a study published in this week's issue of The Lancet.

Kids and parents: A two way street
New findings show not only that marital conflict increases behavioral problems in children, but also that behavioral problems in children lead to increased marital conflict over time.

Pollution can convert airborne iron into soluble form required for phytoplankton growth
A surprising link may exist between ocean fertility and air pollution over land, according to Georgia Institute of Technology research reported in the Feb.

Engineers develop biowarfare sensing elements for future highly sensitive nerve-gas detectors
A sensing element tailored for mass production of cheap, highly sensitive nerve-gas detectors has been developed by a research group led by a mechanical engineer at The University of Texas at Austin.

Biomedical showcase March 4 in Bethesda
A Biomedical Engineering and Science Research Showcase on March 4 at the Bethesda Marriott, sponsored by the Virginia Tech-Wake Forest School of Biomedical Engineering and Science, will offer sessions ranging from biomechanics to drug discovery presented by scientists from 11 institutions and agencies.

Study finds markers for premature birth risk at the molecular level
Researchers have successfully used metabolomic profiling of the amniotic fluid to identify which women who have had preterm labor are at risk for a premature baby.

HIV infection still on the rise
Preventive measures are failing to stem the rising rate of HIV infection, warn two senior doctors in an editorial in this week's BMJ.

Scientists propose new approach to estimating global ocean productivity
Tiny marine plants known as phytoplankton provide clues to ocean health and the state of the climate, but for half a century, scientists have struggled to estimate changes in the size and condition of phytoplankton stocks.

British conservatives should beware of Australian health service reforms
Australia is held up as a model of how to increase use of private health care in the United Kingdom.

Simple treatment could prevent many child malaria deaths
A simple drug, given to children with severe malaria before they reach hospital, has the potential to save many lives, say researchers in this week's BMJ.

UCF stem cell research may hold promise for treating Alzheimer's disease
University of Central Florida professor Kiminobu Sugaya and his colleagues found that bromodeoxyuridine made adult human stem cells more likely to develop as brain cells after they were implanted in adult rat brains.

Alcohol drinkers three times as likely to die from injury
Researchers from the Johns Hopkins Bloomberg School of Public Health found that people who regularly drink alcohol are three times as likely to die from injury as are non-drinkers and former drinkers.

Mom's job affects her teen's well-being and education
When the employment status of single mothers change, their teenaged children are impacted.

New study finds link between self-mutilation and risky sexual behavior
Teens who cut themselves are more likely to engage in unprotected sex according to a new study by researchers at the Bradley/Hasbro Children's Psychiatric Research Center (BHCPRC) in Providence, RI.

Herbal extract as effective as commonly prescribed anti-depressant
A specially manufactured extract from the herb St John's Wort is at least as effective in treating depression as a commonly prescribed anti-depressant, according to new research published on
Prehistoric jawbone reveals evolution repeating itself
A 115-million-year-old fossil of a tiny egg-laying mammal thought to be related to the platypus provides compelling evidence of multiple origins of acute hearing in humans and other mammals.

Findings by Scripps scientists cast new light on undersea volcanoes
Researchers at Scripps Institution of Oceanography at UCSD have produced new findings that may help alter commonly held beliefs about how chains of undersea mountains formed by volcanoes, or

New mosquito control strategy proves successful against dengue fever
Over 380,000 people have been protected from dengue fever in Vietnam thanks to the implementation of a novel strategy to control mosquitoes in the country, concludes a report in this week's issue of The Lancet.

Brain synapse formation linked to proteins, Stanford study finds
Critical connections that neurons form in the brain during development turn out to rely on common but overlooked cells, called glia.

Tufts-NEMC researchers identify enzyme that activates cancer cell growth and invasion
Researchers from Tufts-New England Medical Center have identified a long-sought-after enzyme that interacts with a specific protease-activated receptor, PAR1, on breast cancer cells.

Juliet? Can we talk? Secret relationships go sour quickly, according to new study by psychologists
Secret romantic relationships are hot, right? Movies and television dramas are full of them, and they almost always seem intense, the gateway to a new life filled with promise if not outright ecstasy.

The shapes of life
The Protein Structure Initiative (PSI), a national program aimed at determining the three-dimensional shapes of a wide range of proteins, has now determined more than 1,000 different structures.

William C. Aird, MD, receives Established Investigator Award from American Heart Association
William C. Aird, MD, Associate Director of the Vascular Biology Research Center at Beth Israel Deaconess Medical Center (BIDMC), has been named the recipient of a 2005 Established Investigator Award from the National Research Committee of the American Heart Association (AHA).

Scientists find flaw in quantum dot construction
Nanoscientists dream of developing a quantum computer, a device the size of a grain of sand that could be faster and more powerful than today's PCs.

Devising nano vision for an optical microscope
Contrary to conventional wisdom, technology's advance into the vanishingly small realm of molecules and atoms may not be out of sight for the venerable optical microscope, after all.

Novel 'canary on a chip' sensor measures tiny changes in cell volume; Provides assay results
A novel technology that can test cells in minutes for responses to any stimulus, including antibiotics, pathogens, toxins, radiation or chemotherapy, has been developed by scientists at the University at Buffalo.

Women successfully treated to prevent preterm labor at low risk for recurrent episode
Mayo Clinic and Medical University of South Carolina researchers have found that the large majority of expectant mothers treated to prevent preterm labor will deliver at or near term.

Scientists disprove two tenets of common leukemia
Scientists at the Institute for Medical Research at North Shore-LIJ (Manhasset, NY) have made a discovery that refutes two longstanding beliefs about the most common leukemia in the western hemisphere.

South Africa in denial over number of deaths from HIV/AIDS
Deaths from HIV/AIDS in South Africa are being misclassified because of the social stigma associated with the disease, states an editorial in this week's issue of The Lancet.

Nonhuman primate males more susceptible to age-related cognitive decline than females
Research conducted in nonhuman primates shows male nonhuman primates are more susceptible to age-related cognitive decline.

New measurement undermines physicists' theories for nature's hidden 'particle-force' collaboration
A new measurement by a student and professor at the University of Rochester has shed new light on the limits of scientists' standard model of physics.

Children, TV, computers and more media: New research shows pluses, minuses
A consortium of researchers has reported that very young children's interactions with TV and computers are a mixed bag of opportunities and cautions, while teenagers' Internet use has changed so much that the myths of several years ago need to be debunked.

Study finds happiness persists, despite illness
Despite what able-bodied healthy people might think, people with severe illnesses and disabilities don't wallow in misery and self-pity all the time.

Carnegie Mellon West Coast campus hosts the Space Art Workshops Feb. 10-12
Research fellows at the STUDIO for Creative Inquiry at Carnegie Mellon University's College of Fine Arts, have organized the

Mom's work schedule significantly impacts her child's cognitive development
Mothers' nonstandard work schedules may have a significant impact on young children's intellectual development.

Trial reveals safer and simpler approach to treating children with cystic fibrosis
Treating chest infections in young cystic fibrosis patients with an antibiotic once instead of three times daily is as effective and less toxic, conclude the results of a randomised trial published in this week's issue of The Lancet.

New RNA polymerase discovered in plants
Biologists at Washington University in St. Louis have discovered an entirely new cellular

Promising anti-TB compound finally can be synthesized with ease
An efficient new strategy for synthesizing a natural marine product, which shows promising anti-tuberculosis activity but cannot be efficiently synthesized using conventional chemistry, is being reported by University at Buffalo organic chemists online on Feb.

Study casts doubt on increased mobility among US population
A great deal of public policy advocacy has been influenced by the notion that the United States is becoming an

The very unexpected life and death of a leukemic cell
In CLL bone marrow cells become malignant (leukemic). There was little information on kinetics of production and death of CLL cells.

Children control questioning interviews; not adults
The types of questions asked of children impact the way children respond to interview questions.

Why do we overcommit? Study suggests we think we'll have more time in future than today
Research by two business-school professors reveals that people over-commit because we expect to have more time in the future than we have in the present. 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