Brightsurf Science News & Current Events

August 30, 1999
Proposed security restrictions would restrict scientific discovery
Tighter restrictions in the wake of alleged security breaches at the nation's laboratories could jeopardize the free exchange of scientific information.

Landmark obesity study
Scientists at Denver's Eleanor Roosevelt Institute and Oklahoma Medical Research Foundation report a novel method for treating obesity in mice that could lead to treatments for overweight people.

Study finds parental influence still important during adolescence
New research suggests that parents continue to influence their adolescents' behavior, even as friends and schools loom larger in teens' eyes.

New study finds a mouthful of reasons to consider hormone replacement therapy
Postmenopausal women weighing the pros and cons of hormone replacement therapy may be able to add another benefit to their list - protecting their teeth.

Injured elite athletes need team support
Maintaining ties with teammates will help injured elite athletes recover more quickly, according to research at the University of Toronto.

Marriage rates differ only slightly in childhood cancer survivors
Children who survive cancer have a slightly lower rate of marriage when they reach adulthood than the general population, although the rate varies somewhat by sex and race, new research shows.

Gene protects tubby mouse strain from hearing loss
Researchers at Jackson Laboratory have found a chromosomal region that interacts with the tub mutation to prevent normally occurring deafness in the tubby mouse model.

Alcohol researchers identify new medication that lessens relapse risk
A study in the current Archives of General Psychiatry (Volume 56, pages 719-724) shows that nalmefene, an opioid antagonist that is not now commercially available in the oral form studied, is effective in preventing relapse to heavy drinking in alcohol dependent individuals.

UCSF Center for Health and Community receives over $11 million for infertility treatment research
The UCSF Center for Health and Community recently received a grant of more than $11 million dollars from the National Institutes of Health to study infertility and the use of new technologies to become pregnant.

Sandia, General Atomics unveil new fine resolution synthetic-aperture radar system
Lynx, a new fine resolution, real time synthetic-aperture radar (SAR) system, was unveiled here Saturday, Aug.

Diversity, inequality, community in America
A new book,

3-D, virtual man simulates radiation's effect on the body
Xie George Xu, assistant professor of nuclear engineering and engineering physics at Rensselaer Polytechnic Institute, has created a 3-D virtual man called

UMass polymer scientists: Tackiness is a matter of degrees
A team of French scientists is developing a coating that's sticky when a person touches it, but almost immediately cools to a slick, Teflon-like surface when the person lets go.

Scientists suggest genetic shutdown links estrogen, heart disease
An age-related drop in estrogen may not be the only reason heart disease in women sharply increases after menopause, a new study by Johns Hopkins researchers suggests.

Researchers overcome hurdle of transporting large amounts of DNA to the nucleus using nonviral vectors
University of Pennsylvania bioengineers increased the expression of marker DNA in cardiovascular cells by 60 times over previous attempts with nonviral vectors.

Inflammatory pain may help deter inflammatory diseases like arthritis
Pain alerts the body to danger, but UC San Francisco researchers report that it may play another crucial role -- helping to prevent the body from slipping into the chronic inflammation associated with such diseases as arthritis, colitis and asthma.

Light alcohol use may protect against sudden cardiac death
In the largest study of its kind, researchers have found that consuming two to six alcoholic drinks per week was associated with a reduced risk of sudden cardiac death in men, according to a report in today's Circulation: Journal of the American Heart Association.

Chandra observes star's corona with unprecedented clarity
NASA's Chandra X-ray Observatory opened a new era in astronomy Saturday, August 28, by making the most precise measurements ever recorded of the energy output from the 10 million degree corona of a star.

Discussing trauma not always helpful in coping, study shows
Pushing people to talk about past traumas may not be the best way of dealing with them, says a University of Toronto psychiatrist in a new book documenting a 10-year study of Canada's original boat people.

Electronic dental anesthesia helps allay needle injection pain
Using electronic anesthesia reduces discomfort and disruptive behaviors in young, sedated dental patients, new research shows.

Study finds unprecedented delay in appointing federal judges
A new study suggests that U.S. Senate confirmation of federal judges has slowed to an unprecedented pace, contributing to a shortage of judges in federal courts.

SPARC impacts journal purchasing trends worldwide
SPARC (The Scholarly Publishing and Academic Resources Coalition), committed to fostering competition in scientific communication, announces new members in Europe, Asia and Australia.

School violence and student mental health needs will be highlighted at Denver conference
In an effort to address issues of school violence and the emotional health of students, more than 500 educators, school health professionals, and mental health experts from around the world will meet in Denver, Colorado, on September 16-18, for the Fourth Annual Conference on Advancing School-Based Mental Health.

Students get better grades when tested frequently in class
Students may hate frequent tests in their classes, but new research suggests this teaching strategy may help them earn better grades.

Discovery could introduce new age in electronics
A research team from the University of Toronto has discovered a new method of producing carbon nanotubes.

'Knockout' mouse may lead to major understanding of human kidney disorder
A basic science advance has provided a major clue to the possible cause and treatment of IgA nephropathy, a kidney disorder that affects hundreds of millions of people throughout the world.

Microbes in basalt thrive on mixed diet of toxic waste
Berkeley Lab scientists have shown that underground microbes can transform toxic pollutants into less toxic compounds.

UI researchers discover that aggressive cancer cells may make their own blood vessels
Until now, researchers assumed that tumors attracted blood vessels to provide tumors with nutrition and pathways for tumor cells to spread throughout the body.

Behavioral program boosts antibody that fights breast cancer
Women with breast cancer who participated in a psychological intervention program showed lower levels of a stress hormone and higher levels of an antibody that fights breast tumors than did other patients, a new study has found.

St. Jude researchers discover genetic reason why some patients resist HIV therapy
The gene MRP4 appears to help T cells, key components of the human immune system,

Study finds Latin American heart patients receive less treatment than North Americans and are nearly twice as likely to die
A new analysis of data gathered from an international drug study shows that patients in Latin America were treated with a more conservative approach and were nearly twice as likely to die within a month of being hospitalized for heart problems than were patients treated in North America.

North by northwest to catch a neutrino in the act
A century-old radiation detection tool may be pressed into service to see if neutrinos change flavor.

University of Florida researchers test drug from 'transgenic sheep' in study at Shands at UF teaching hospital
In an early test of breakthrough technology, University of Florida researchers have begun the first pilot study to determine whether the milk of genetically modified sheep can help people prone to life-threatening lung problems caused by a specific protein deficiency.

New technique builds microscopic medical devices for transplants
The same technology that creates computer microchips may one day help treat diseases like diabetes.

Seafood was brain food, says researcher
The first humans may have been beach-dwellers foraging for shellfish, not grassland hunter-gatherers, says a University of Toronto scientist.

Some adults believe illness can be 'payback' for bad behavior
Up to 44 percent of adults believe that, in some cases, people may get a serious illness because they deserve it for bad behavior.

Common drug associated with improved performance in race horses
A drug legally given before a race to horses for a certain medical condition is suspected of having a positive effect on their performance.
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