Brightsurf Science News & Current Events

June 11, 2001
New wireless architecture would extend cell-phone coverage to where it is needed most
A new architecture for next-generation wireless systems for cellular phones proposed by University at Buffalo researchers could provide an efficient and flexible way to extend outdoor coverage, as well as provide indoor coverage, without building additional cellular phone towers.

Beyond global warming: Where on Earth are we going?!
Planet Earth has entered an era that has no precedent.

Fear, anxiety affect pain
Human emotion can be a powerful force, acting as the fuel for everything from improbable sports championships to tragic acts of violence, and now there's evidence showing how powerful human emotional states can be when it comes to determining a person's ability to feel pain.

Study finds marijuana use may pose health threat to baby boomers
Researchers at Beth Israel Deaconess have found that people who smoke marijuana may increase their risk of a heart attack.

Sad workers may make better workers
In the past few decades, the popular belief in the area of organizational behaviour and organizational psychology has been that happy workers are better workers.

Instruments aboard CONTOUR spacecraft will provide first surface 'fingerprint' of comet nucleus
An instrument aboard a spacecraft that will be launched in 2001 to explore two, and perhaps three or more, comets in the solar system will for the first time provide a

The HIV-infected health care worker and patient safety
The balance between patient protection and health care workers' rights is one theme that emerges from Irving Salit and coauthors' review of the evidence for risk of HIV transmission from health care workers, particularly dentists, to patients.

UCSF study shows short-term delay in AIDS progression is possible even when patients fail to take all of their antiviral medications
UCSF researchers have found that HIV-infected homeless and marginally housed people who have trouble sticking to their antiviral regimens may temporarily delay the onset of full blown AIDS if they manage to take at least half of their anti-HIV medications.

Tiny air pollutants linked to heart attack
As few as two hours after being inhaled, tiny, invisible air pollutants can penetrate the lungs' natural defenses and may trigger a heart attack, according to a report in today's Circulation: Journal of the American Heart Association.

Blood clots are found in retinas of patients with diabetic retinopathy
Diabetic patients show a four-fold increase of blood clots in retinal capillaries than nondiabetic patients.

Homing in on better bone marrow transplants
Researchers have identified a protein that allows cells to

The clinical side of health care report cards
Dr. Jack Tu and colleagues state that since many provinces are developing ways to measure various aspects of system, hospital and even individual performance,

Study helps predict children with difficult-to-treat epilepsy
A new study may help neurologists predict which children with epilepsy will not respond to the most common medications, and thus may be candidates for treatment with more aggressive approaches.

Recommendations on the prevention of breast cancer with tamoxifen and raloxifene
In the latest of Canadian Medical Association Journal series of clinical practice guidelines for the diagnosis and management of breast cancer, the Canadian Task Force on Preventive Health care and the Steering Committee on Clinical Practice Guidelines for the Care and Treatment of Breast Cancer examine the evidence surrounding the use of these agents for the prevention of breast cancer in women at normal, low and high risk.

Short-term exposure to air pollution may trigger heart attack in at-risk patients
Brief exposure to elevated levels of fine particulate air pollution - as little as two hours - may temporarily increase the risk of heart attack particularly among people already at risk for heart disease, according to a Circulation study led by researchers at Beth Israel Deaconess Medical Center.

Some women may have gene sequence that reduces breast cancer risk, SFVAMC study finds
Some postmenopausal women carry a gene sequence that may lower their risk of breast cancer, according to new research from San Francisco Veterans Affairs Medical Center.

Half of HIV patients don't prepare for end-of-life decisions; physicians least likely to communicate with blacks and Hispanics
The first survey of end-of-life decisions in a nationally representative group of patients with a chronic disease revealed that half the people with HIV have not communicated their end-of-life wishes to their physicians.

Dietary study finds marijuana users have normal nutritional status, risky lifestyle habits
Smoking marijuana and

Using computer doesn't increase risk of carpal tunnel syndrome
Using a computer at work doesn't increase your chances of developing carpal tunnel syndrome, according to a study published in the June 12 issue of Neurology, the scientific journal of the American Academy of Neurology.

UAF part of university without walls
The University of the Arctic (UArctic), a cooperative effort that was initiated nearly four years ago, is an independent international network of universities, colleges, researchers and indigenous peoples in the Far North dedicated to sharing knowledge on circumpolar subjects.

Virginia Tech physics professor wins Humboldt Research Award
Royce Zia, professor of physics at Virginia Tech, won an Alexander von Humboldt Research Award for his work in the area of theoretical condensed matter physics, a discipline devoted to the understanding of the cooperative behavior in systems with large numbers of constituent particles.

The heart has no need for weed, especially for middle-aged people
Researchers who previously reported that marijuana is a trigger for heart attack are now warning that the drug may play a more pivotal role as some users enter middle age - a time when their risk for heart disease is already increasing - according to a study in today's Circulation: Journal of the American Heart Association.

Mayo Clinic study debunks possible link between heavy computer use and carpal tunnel syndrome
Surprising even the researchers themselves, a new study from Mayo Clinic found that heavy computer use, even up to seven hours per day, did not increase a person's risk of carpal tunnel syndrome (CTS).

Discover Magazine honors landmine detector, cellular research
Discover Magazine and the Christopher Columbus Foundation recognized scientists at the Department of Energy's Pacific Northwest National Laboratory in a ceremony today for developing two innovative technologies that address vital health and humanitarian issues.

Science education: bringing neurobiology and addiciton research to the public
A NIDA-supported workshop designed to provide science teachers with tools to introduce school-aged children and adults to issues related to drug abuse and addiction.

Medicine must open its window on the world
In almost every nation in the world, increased burdens of morbidity and mortality afflict racial and ethnic minorities and new immigrant populations.
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