Brightsurf Science News & Current Events

July 03, 2003
The definitive beta-blocker for heart failure?
Results of a European study in this week's issue of The Lancet suggest that the beta-blocker carvedilol offers substantial survival benefit compared with another widely-used beta blocker for the treatment of chronic heart failure.

Helping people quit remains a challenge
Over half the people who stopped smoking for a year during a trial of nicotine replacement therapy were still not smoking eight years later, according to a study in this week's BMJ.

Drug improves the sense of touch, Science study says
Scientists used a stimulation technique to improve the sensitivity of people's fingertips, and then gave them drugs that either doubled or deleted this effect.

New understanding of sea salt to help climate modeling
A new scientific study has revealed that tiny sea salt particles drifting into the atmosphere participate in a chemical reaction that may have impacts on climate and acid rain.

NIH Clinical Center marks 50 years of clinical research
The Warren Grant Magnuson Clinical Center of the National Institutes of Health marks its fiftieth year of clinical research in 2003-04.

Cold-climate creatures may be the ultimate survivors of global warming, study finds
Science has a way of forcing us to reexamine some of our basic assumptions about nature.

Publishing surgeons' performance may encourage risk averse behaviour
Publishing the performance of individual surgeons using crude figures on death rates (as is planned in the United Kingdom) can be misleading and is not in the best interests of patients, conclude researchers in this week's BMJ.

A victory for affirmative action
This week's editorial welcomes the recent US Supreme Court's decision to uphold an American law school's policy of affirmative action to increase the proportion of students from ethnic minorities.

Medical expenses similar for white, black, hispanic Medicare seniors
Black, white and Hispanic seniors who receive Medicare spend similar amounts on medical care each year, according to a new study in the Milbank Quarterly.

Sustained reduction in AIDS since introduction of highly active antiretroviral therapy
European research in this week's issue of The Lancet highlights how the introduction of highly active antiretroviral therapy has had a sustained effect in reducing illness and death from HIV/AIDS over the past few years.

Farming the tigers of the sea undermines the promise of aquaculture
A new report by the SeaWeb Aquaculture Clearinghouse strongly disputes the notion that fish farming will prove any kind of panacea.

Prenatal diagnosis could aid treatment of beta thalassaemia
Authors of a research letter in this week's issue of The Lancet highlight how prenatal testing could identify fetuses with appropriate tissue for treating beta thalassaemia in their older siblings.

Astronomers find 'home from home' - 90 light years away!
Astronomers looking for planetary systems that resemble our own solar system have found the most similar formation so far.

Scientists discover planetary system similar to our own
An international team of scientists has discovered a planet and star that may share the same relationship as Jupiter and our Sun, the closest comparison that researchers have found since they began their search for extra-solar planets nearly a decade ago.

Is there a benefit to having been vaccinated against smallpox as a child?
Adults who were vaccinated against smallpox as children can be successfully revaccinated by using diluted doses of the vaccine and with fewer side effects, according to research published by Saint Louis University this week in the Journal of the American Medical Association.

Breast cancer survivors have fewer heart attacks
A study of 6,000 women aged 67 or older who had survived postmenopausal early-stage breast and 23,000 women who had never had cancer found that breast cancer survivors were 34 percent less likely to be hospitalized for heart attacks than women who had not had breast cancer.

Science historians ponder naming 'enemies' in science literature
In a perspective article forthcoming in the journal Science, two ASU historians of science examine the rhetorical nature of key metaphors used in the field of ecology and point to potential problems caused by cultural biases in the language of science.They find ecological discussions concerning introduced species to be dominated by emotionally charged metaphors of warfare and conflict.

Tufts researchers find new cost-effective catalyst for hydrogen production for fuel cells
Researchers at Tufts University have discovered that it's possible to make hydrogen from fossil fuels using far less platinum or gold than current fuel processing technology has required.

Fourth of July no picnic for the nation's environment
When an estimated 60 million Americans fire up their barbecue grills this Fourth of July, they'll be burning the equivalent of 2,300 acres of forest and consuming enough energy to meet the residential demand of a town the size of Flagstaff, Ariz., for an entire year.

SOHO's antenna anomaly: things are much better than expected
After a number of tests and new insights, SOHO engineers now say there will be no 'blackout' periods for SOHO science data.

Reducing nationwide obesity starts in neighborhoods
Children, adolescents, and adults reported adopting healthier behaviors -- such as choosing heart-healthy foods more often - after participating in a Hearts N' Parks program, according to a new report on the community-based lifestyle initiative.

NASA global lightning maps highlight Lightning Safety Week
The arrival of summer brings increased chances of thunderstorms and dangerous lightning.

Emergency treatment for chest pain saves lives
A system whereby paramedics administer anti-clotting drugs to patients with emergency chest pain (thrombolysis) before they reach hospital is safe, feasible, and saves lives, according to two studies in this week's BMJ. 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