Brightsurf Science News & Current Events

June 10, 2002
Beta-blockers after heart surgery show double benefits
Beta-blockers should be used as a first-line medication to prevent postoperative atrial fibrillation, a common complication of heart surgery, researchers report in today's rapid access issue of Circulation: Journal of the American Heart Association.

'Trojan horse' technology destroys blood supply to cancer tumors in mice
Researchers at The University of Texas M. D. Anderson Cancer Center in Houston and The University of Texas Southwestern Medical Center at Dallas have demonstrated in mice that a new drug formed by linking a vascular endothelial growth factor to a toxin will target and destroy the blood vessels supplying a malignant tumor.

Findings show exceptional longevity runs in families
Brothers and sisters of centenarians are much more apt to survive to age 100 than other people and have lower mortality rates throughout life, according to a study published in the June 11, 2002 issue of the Proceedings of the National Academy of Sciences.

UMass researcher finds most people lie in everyday conversation
Most people lie in everyday conversation when they are trying to appear likable and competent, according to a study conducted by University of Massachusetts psychologist Robert S.

In evolution game, survival doesn't equal success
A significant number of organisms that survived the five greatest mass extinctions in Earth's history subsequently failed to achieve evolutionary success, according to a new study funded by the National Science Foundation (NSF) and conducted by University of Chicago scientist David Jablonski.

How does serotonin effect depression
University Hospitals of Cleveland investigators, working to help predict who is vulnerable to major depression and also to help patients reduce their anti-depression dosages, have begun a clinical trial that looks at the effect of serotonin levels upon depression.

Bacterial control of zebra mussels, low power radio
Sea Grant research points to new bacterial toxin as possible zebra mussel control; Zebra mussel spread a boater and fishing concern; Low power radio effect communication tool.

Interplanetary rapid transit system
Human Mars exploration is closer to reality with the report of Global Aerospace Corp. to the NASA Institute for Advanced Concepts on June 11, 2002.

Genetic engineering could salvage once-promising anti-cancer agents
A group of anti-cancer agents that once produced dismal results in clinical trials could once again be a promising tool in fighting the deadly disease, thanks to research by a team of chemists at the University of Washington and in Germany.

Faith-based welfare-to-work programs rely less on government funding than secular programs
Faith-based groups that offer welfare-to work programs are less dependent on government funds than secular organizations that offer the same services.

UCLA researchers check brain waves to predict effectiveness of antidepressants
UCLA researchers are using brain scans to predict the effectiveness of antidepressants within days of treatment, cutting weeks off the time needed to evaluate the effectiveness of the medicine.

Expeditions find no evidence of ivory-billed woodpecker
Recordings from the Pearl River, Louisiana, expedition searching for the ivory-billed woodpecker contained sounds of distant gun shots but no woodpeckers, biologists at the Cornell Laboratory of Ornithology report.

Mimicking a human disease in mice
In this month's issue of EMBO Reports Kahle et al.

Update on national asthma guidelines released
The National Asthma Education and Prevention Program (NAEPP), has issued an update of selected topics in the Guidelines for the Diagnosis and Management of Asthma.

Want to save gorillas? Enforce laws, experts say
The most immediate threat to western gorillas is not habitat destruction as previously believed, but poaching and lack of law enforcement, said a group of experts from the New York-based Wildlife Conservation Society and other organizations.

American Heart Association weighs in on fat substitutes
The jury is still out on whether fat substitutes provide a health benefit, because individuals who use them seldom lose weight, according to a new American Heart Association statement published today in Circulation: Journal of the American Heart Association.

Cell phone use in cars causes tunnel vision
Preliminary results of a University of Rhode Island analysis of the eye-movements of automobile drivers using cell phones found that the drivers have a reduced field of view - tunnel vision.

In Tarantula territory
New spectacular photos have been obtained of the largest emission nebula in the sky, the Tarantula Nebula in the Large Magellanic Cloud (LMC), one of the satellite galaxies to our own Milky Way system.

Osteoporosis is costly for Californians, according to UCSF researchers
Costs for osteoporosis in California topped $2.4 billion in 1998, with hip fracture accounting for 64 percent of the burden, according to researchers in the UCSF School of Nursing Institute for Health & Aging.

Herbal assisted weight loss causes neurological ailment in woman
Slimming down is supposed to be healthy. It was not in the case of a woman who developed a series of serious neurological problems after losing forty pounds over an eleven-month period, according to a study in Neurology, the journal of the American Academy of Neurology.

Electrodiagnostic studies the better alternative for diagnosing carpal tunnel syndrome
Boards of three medical organizations are in agreement on the most accurate tool for diagnosing carpal tunnel syndrome (CTS).

French footballing loss will be Le Pen's gain, says expert
A World Cup exit for the multi-ethnic French football team will be seen as a major political boost for the country's Far Right leader, Jean-Marie Le Pen, says a leading French football expert.

The greening of the North: real, and caused by climate change
Twenty years of satellite observations have indicated a

Breast cancer rising among Asian-American women
Asian-American women have traditionally had a lower risk of breast cancer than others, but epidemiologists at the Keck School of Medicine of USC and USC/Norris Comprehensive Cancer Center have found that their breast cancer rates have been rising.

New natural method of family planning over 95% effective in preventing pregnancy, study finds
The Standard Days Method (TM), a new natural method of family planning, is more than 95% effective at preventing pregnancy, according to an international study conducted by Georgetown University Medical Center's Institute for Reproductive Health.

Mosquitoes repelled by tomato-based substance
A substance produced by tomatoes repels mosquitoes and other insects more effectively and is safer than DEET, the chemical most commonly used in insect repellents, a North Carolina State University scientist has discovered.
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