Brightsurf Science News & Current Events

April 08, 2003
Succulent Karoo to benefit from $8 million in grants
Local groups working to conserve the Succulent Karoo's biodiversity will receive much-needed assistance through US$8 million in grants from the Critical Ecosystem Partnership Fund (CEPF).

How far can a dentist's drill go?
When ESA's Mars Express reaches the Red Planet in December 2003, there will be a drill on board its Beagle 2 lander.

Kids carry bike helmet safety message into middle school
Children taught to wear bicycle helmets in a fourth-grade safety program say they are still wearing their helmets in fifth and sixth grade, according to a new study.

Study demonstrates that low dose tamoxifen may be effective in treating breast cancer
Administering tamoxifen at lower doses than the current standard dose appears to effectively reduce breast cancer proliferation while causing fewer side effects, according to data published in the Proceedings for the 2003 Annual Meeting of the American Association for Cancer Research (AACR).

Biodiversity and resilience of coral reefs
Indo-Pacific coral reefs incorporate diverse ecosystems but changes in ecosystem function on coral reefs at regional biogeographical scales as a result of overfishing of the parrotfish.

Obese children and their parents report impaired quality of life
Obese children and their parents report that health-related quality of life for overweight kids is significantly impaired and as bad as that experienced by children with cancer who are undergoing chemotherapy.

United States late to recognize brutal dictators and regimes
The American public's image of bad guys around the world is shaped by the nature of the United States' diplomatic relations with their governments far more than by their evil deeds, says a University of Florida researcher and author of a new book.

Enzyme structure holds key to cocaine, heroin metabolism
A new study at the University of North Carolina at Chapel Hill offers the first molecular explanation of how the body metabolizes and detoxifies cocaine and heroin.

Regional warming-induced species shift in NW Mediterranean marine caves
Chevaldonné and Lejeusne found the first convincing illustration that climate change is directly affecting marine organisms.

Tumor cells in blood may indicate more aggressive breast cancer
If patients with breast cancer have tumor cells circulating in the blood, they may have a more dangerous form of the disease, according to a study by researchers at The University of Texas M.

Study implicates human coronavirus as main cause of SARS
Research from Hong Kong fast-tracked for publication on THE LANCET's website -
Over-the-counter pain relievers effective in protecting against breast cancer
Regular use of ibuprofen and aspirin inhibits the formation and growth of breast cancer, according to data published in the Proceedings for the 94th Annual Meeting of the American Association for Cancer Research (AACR).

Computers provide answer to rural transport problems
A new form of rural bus service - demand responsive transport -is being piloted by the University of Newcastle upon Tyne, UK and Northumberland County Council.

Over-the-counter pain relievers may prevent breast cancer
Results of an important new study, published in the Proceedings from the 94th Annual Meeting of the American Association for Cancer Research (AACR), reveal taking regular doses of non-steroidal anti-inflammatory drugs (NSAIDs), such as ibuprofen or aspirin, inhibit the growth of breast cancer.

50 Arctic lakes show dramatic effects of climate warming
Dramatic clues to North American climate change have been discovered by a team of Queen's University scientists in the bottom of 50 Arctic lakes.

Free shuttles can close the grocery gap
Inner-city supermarkets can improve their profit margins and the health of the communities they serve by offering shoppers free transportation, according to a report released today by researchers at the UC Davis Center for Advanced Studies in Nutrition and Social Marketing.

Prostate cancer patients with highest risk of progression
Based on a large study of prostate cancer patients, researchers are finding that maintaining a normal body mass index, frequent physical activity and screening before diagnosis appear to be important in stopping prostate cancer from progressing.

Researcher shows aggregation of cancers in families of lung cancer patients
Interim results of a large lung cancer case-control study suggest there is a genetic basis for development of lung cancer and other smoking related cancers, say researchers from The University of Texas M.

Nutrition services are an essential component of school health programs
A joint position statement by the American Dietetic Association, Society for Nutrition Education and American School Food Service Association urges that comprehensive nutrition services be provided to all the nation's schools to educate children and help them develop healthful eating habits for life.

Internet weight loss program effective among adults at risk for diabetes
In a 12-month study of an Internet weight loss program, overweight adults at risk for type 2 diabetes lost enough weight to reduce their chances of getting the disease.

Stanford researchers review efficacy and safety of low-carbohydrate diets
People who go on low-carbohydrate diets typically lose weight, but restricted caloric intake and longer diet duration are the biggest reasons why, according to a study from Stanford University Medical Center and collaborators at Yale University.

Medication helps overweight teens lose weight
Adolescents using sibutramine (brand name MERIDIA) lost more than twice as much weight as their peers did, in the first controlled trial of an FDA-approved drug in a teen patient population.

Link made between dietary folate, genetic instability and bladder cancer risk
Individuals who are especially susceptible to genetic damage to their cells and who don't eat enough dietary folate are almost three times as likely to develop bladder cancer as are those who eat plenty of fruit and vegetables and who have efficient capacity to repair DNA damage, say researchers from The University of Texas M.

Researchers identify new gene associated with breast cancer
Researchers have identified a new gene, C35, that appears to be closely associated with breast cancer.

Unfavourable price comparisons still benefit e-businesses
New research from the University of Alberta has found that an online business can benefit from listing its competitors' products, even if some of those comparisons are unfavourable for the firm.

Ames Laboratory director receives FLC Award
Tom Barton, director of the U.S. Department of Energy's Ames Laboratory at Iowa State University has been named Laboratory Director of the Year by the Federal Laboratory Consortium for Technology Transfer.

New treatment for ovarian cancer studied at MCG
An agent that stimulates the immune system to identify and eliminate abnormal cells may give women with the most common type of ovarian cancer new hope, says a Medical College of Georgia gynecologic oncologist.

Identifying naturally-occurring active ingredients for use in skin-care products
A deeper understanding of the active compounds in plants leads to more advanced skin care products.

Human reproductive rates follow biological scaling rules
In nations with high per capita energy consumption, women have fewer children.

Good housekeeping: why do shelter-dwelling caterpillars fling their frass?
Why do many caterpillars go to great lengths to distance themselves from their waste?

Two genes -- Dax 1 and Sry -- required for testis formation
The sex of newborns is dictated by the X and Y chromosomes -- girls are XX whereas boys are XY.

Ames Laboratory researchers hope to 'sunproof' solar cells
Researchers at the U.S. Department of Energy's Ames Laboratory may have solved the mystery of why sunlight causes solar cells to degrade in their electrical output after prolonged exposure.

Novel COX-2 combination treatment may reduce colon cancer risk
A combination of low-dose COX (cyclooxygenase)-2 inhibitors (celecoxib) and a biologically active component of fish oil (n-3 PUFAs, such as docosahexanoic acid, DHA) may prevent, and even treat, colon cancer, according to data published in the Proceedings for the 94th Annual Meeting of the American Association for Cancer Research (AACR).
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