Brightsurf Science News & Current Events

September 26, 2001
Medication prevents osteoporosis in men treated for prostate cancer
One of the fastest-growing osteoporosis risk groups consists of men with prostate cancer who receive androgen-deprivation therapy to lower testosterone levels.

Regulation of vascular tone by a secreted mitochondrial peptide
The F0F1 ATP synthase is a large, multi-subunit complex expressed in the mitochondrial inner membrane.

National Biomedical Engineering Society meeting Oct. 4-7 in North Carolina
The annual fall meeting of the Biomedical Engineering Society is expected to attract more than 1,100 researchers to Research Triangle Park area Oct.

Listening for an ocean
Things are cracking up on the Jovian moon Europa, but nobody's laughing.

World's largest scientific society convenes regional meeting September 23-26 in Savannah
More than 600 research findings will be presented at the 53rd Southeast regional meeting of the American Chemical Society, the world's largest scientific society, in Savannah, Ga., September 23-26.

Bacterial communities found to follow water
Observing several different species of soil crust-inhabiting cynobacteria, researchers found that bacterial colonies follow water - the first time such behavior has ever been observed in bacteria.

Study by Boston College chemistry team shows critical role of water in protein function
A new study by Boston College chemists published this week in Proceedings of the National Academy of Science identifies the critical role of water in protein function.

Research season will feature use of sophisticated technologies to map Antarctica
Researchers plan to map the surface of the vast Antarctic ice sheet with airborne radar, measure the movement of the Earth's crust beneath the ice with Global Positioning System transceivers and deploy buoys to explore the waters off the Antarctic Peninsula when the U.S.

Most rocks on 433 Eros ejected from a single crater
The first detailed global mapping of the asteroid 433 Eros has found that that most of the larger rocks strewn across the body were ejected from a single crater in a meteorite collision perhaps a billion years ago, Cornell University astronomers say.

U.S. Department of Defense awards University of South Florida $4 milliion to prepare state's public health system for bioterrorism threat
Preparing frontline public health workers for the threat of a bioterrorist attack is the focus of a new $4-million award to the University of South Florida Center for Biological Defense from the U.S.

UK researchers raise hopes of preserving fertility for women with cancer
UK fertility experts have sounded a note of cautious optimism about the safety of preserving ovarian tissue and transplanting it back into women after cancer treatment.

Scientists chart iron cycle in ocean
Scientists at the University of California have found that sunlight plays an important role in cycling iron in the ocean and making it available to marine life.

Search of galactic halo yields a treasure trove of variable stars
A project supported by the United States Department of Energy (DOE) and the National Science Foundation (NSF) to determine the nature of dark matter in the halo of the Milky Way has yielded a treasure trove of data on 73 million stars, many of them variable.

The RANKL cytokine at 2.6 Å
The tumor necrosis factor (TNF) superfamily represents a large, loosely related, and versatile group of homotrimeric cytokines.

Atmosphere, not oceans, carries most heat to poles
According to a new study from the National Center for Atmospheric Science, the atmosphere redistributes annually as much heat from the tropics to the poles as would be produced by five million of the world's biggest power stations, generating 1,000 megawatts each.

Space Research Briefs - Sept./Oct. 2001
(1) Measuring bone loss in space and on Earth: NSBRI scientists are designing a compact machine to allow precise bone and tissue measurements in space.

Researchers discover how micro-organisms affect global cycling of iron
A research team, led by University of California chemist Alison Butler, report findings that

Hospital spending drives largest health care cost increase in a decade
Hospital spending, not prescription drugs, accounted for the largest share of increased health care costs in 2000, according to a study by the Center for Studying Health System Change (HSC) published 24 September 2001 on as a Web-exclusive article.

Fractal extremes predict impending breakdowns
How long will a steel pillar support a bridge before rust eats deep enough to let it snap?

Brainy cameras
Office of Naval Research is funding a camera that mimics the brain's ability to do mental mapping and decide whether or not to pay attention.

Censoring self-specific B cells
Any one of 50 human VH regions can be included in the final rearranged immunoglobulin as B cell precursors mature.

From rockets to hot rods to....
Small business in Arizona funded by the Office of Naval Research has gone from producing rocket nozzles and bicycle brake pads to torpedo casings and artificial hearts.

Search of galactic halo yields a treasure trove
A project supported by the National Science Foundation (NSF) to determine the nature of dark matter in the halo of the Milky Way has yielded a treasure trove of data on 73 million stars.

Spinach protein could offer new hope for the blind
Spinach, touted in the Popeye cartoon for its ability to strengthen the body, may prove even more valuable for restoring vision to people who are legally blind.

Chandra sheds light on the knotty problem of the M87 jet
NASA's Chandra X-ray Observatory has given astronomers their most detailed look to date at the X-ray jet blasting out of the nucleus of M87, a giant elliptical galaxy 50 million light years away in the constellation Virgo.

Study finds hemochromatosis patients' blood is as safe as other donated blood -- may help alleviate blood shortage
Blood donors with hemochromatosis do not pose a greater risk to blood safety than other donors, according to the results of a new study.

NHLBI supported study finds inhaled steroids accelerate bone loss in women with asthma -- treatment still recommended for persistent asthma
In a three-year study of 109 premenopausal women with asthma, inhaled steroids were found to accelerate bone density loss. 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