Brightsurf Science News & Current Events

July 03, 2001
Second breast cancers may be more difficult to treat in women who take the drug tamoxifen, study suggests
A new study confirms that tamoxifen use decreases the risk of a second cancer, but it also finds that the drug may cause a fivefold increased risk of estrogen-receptor (ER)-negative breast cancer -- a cancer that is more difficult to treat -- in the breast opposite, or contralateral, to the initial tumor.

Male infertility: Scientists discover candidate gene for impaired spermatogenesis
Researchers in the Netherlands believe they have identified a gene that is involved in causing infertility in men.

Drugs from sea study finds sponge health link to bacteria
In research aimed at finding natural compounds from the sea for drugs and other products, a team of scientists report in the journal Marine Biology on a bacterium that seems to provide an essential

USC study shows raloxifene may increase ovarian cancer growth rate
The drug raloxifene may increase the growth rate of ovarian cancer and its risk of recurrence, according to researchers from the Keck School of Medicine of the University of Southern California.

Evidence reveals highly oxidizing environment at South Pole
A team of scientists led by the Georgia Institute of Technology has found a surprisingly high level of an air-purifying oxidizing agent in the near-surface atmosphere over the South Pole.

Doctors perform more IVF treatments, but multiple births decline
The latest figures on in vitro fertilization in Europe reveal the welcome news that while the number of IVF treatment cycles has increased, the number of multiple births is decreasing.

Animal model developed to study accelerated atherosclerosis in diabetics
An animal model for diabetes that mimics human diabetics' dramatically accelerated rate of cardiovascular disease has been developed by researchers at the Medical College of Georgia.

Testosterone therapy - spotlight on the older man at last
A spotlight is at last being turned on to the health needs of older men and there is going to be an upsurge of interest in combating the hormonal problems of male ageing, an international conference on reproductive medicine was told.

Technology-transfer revenue 10 times what it was two years ago
Pioneering research in both biotechnology and imaging enabled the University of Rochester to double the amount of revenue its basic research earned this year.

Rutgers-led researchers discover new photosynthetic bacteria that appear to be significant component of ocean's carbon cycle
A team of scientists led by Rutgers Professor Zbigniew S.

Discovery of follicles offers hope of babies for Turner's syndrome girls
Swedish researchers have found that teenage girls with Turner's syndrome still have follicles in their ovaries, which may be capable of producing eggs.

Screening for bowel cancer must include general population, not just those at risk
If screening for bowel cancer is to get the go-ahead in the UK, it must include everyone, not just those with a family history, who are known to be at increased risk.

Uninsured patients don't manage chronic illness well, UCSF study finds
Compared to insured health care consumers, uninsured people are much less effective at managing their illnesses.

Ovarian cancer and Raloxifene - US researchers advise caution
Researchers in the USA have sounded a cautionary note over the use of Raloxifene for some women with ovarian cancer.

Study of aquatic bird genes reveals surprising relationships and evolutionary history
An analysis of the genes of aquatic birds has revealed a family tree dramatically different from traditional relationship groupings based on the birds' body structure.

Study reveals differing attitudes to PGD among
Couples who are at risk from transmitting an inherited disease to their offspring have significantly different attitudes on a range of ethical and moral concerns, compared to couples who attend clinics for more general infertility problems, according to Australian researchers.

Ohio State genome map
Ohio State researchers have produced a third map of the human genome -- one containing twice the number of genes proposed earlier and providing annotations that explain the function of all 66,000 genes.

MelTec GmbH announces new technology for High-Throughput Topological Analysis of human cells
By using the described algorithm integrated with a robotic imaging technology, the researchers were able to monitor in tissue sections the number of fluorescent marked migratory cells, thus identifying, through unique protein networks, the individual immune-cells that invade a tissue/organ.

Michigan Media Award for Excellence
The Michigan Media Award for Excellence in Coverage of Women and Gender is presented annually by the University of Michigan's Institute for Research on Women and Gender (IRWG).

World-first study allays fears over emotional health
The world's first study to follow the fortunes of children born through assisted reproduction from babyhood to the brink of adolescence has found the children generally emotionally healthy, well-adjusted and thriving in the care of stable and loving parents, Europe's leading reproductive medicine conference is told.

Cool gas makes more than great fizzy drinks - New "Koolgas" injection method increases plastic production by 40%
Many people think the most useful use of a cool gas in a product is as a key part of fizzy drinks but researchers at the University of Warwick's Warwick Manufacturing Group have found that that cool gases also prove amazingly useful if injected into plastics.

KETEK highly active in vitro against European isolates of community-acquired respiratory pathogens
New studies presented today at the 22nd International Congress of Chemotherapy (ICC), in Amsterdam, Netherlands may change the way patients are treated with infections in the future.

DNA analysis of salamanders turns up new species under almost every log, UC Berkeley zoologists find
UC Berkeley herpetologists have found an amazing example of parallelism - two species developing independently the same adaptation to an environment.

Multi center study finds 'AIDS cocktail' therapy effective in advanced AIDS cases
Highly active anti-retroviral therapy (HAART), also known as

Researchers determine global warming during the 20th century may be slightly larger than earlier estimates
Researchers at Lawrence Lab have concluded that global warming during the 20th century may have been slightly larger than the previously estimated value of roughly 0.6 degrees Celsius.

From July 21-Aug. 20, Smith College and collaborators to retrace historic Harriman Expedition to Alaska
This summer, a Smith College-sponsored expedition will retrace the original route of the 1899 Harriman Expedition, in a voyage designed to assess the ecological and societal changes that have occurred in Alaska over the last century.

World-first study allays fears over emotional health
The world's first study to follow the fortunes of children born through assisted reproduction from babyhood to the brink of adolescence has found the children generally emotionally healthy, well-adjusted and thriving in the care of stable and loving parents, Europe's leading reproductive medicine conference is told.

New study shows smoking lessens chances of IVF success
Smoking lessens the chance of successful IVF treatment and women should be actively encouraged to quit before undergoing IVF, A French doctor told the European Society of Human Reproduction and Embryology. 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