Brightsurf Science News & Current Events

November 01, 2002
Overfishing may diminish genetic diversity even when millions of fish remain
Populations of marine fish may lose genetic diversity even if fishing stops while there are still several million individuals - a number previously assumed to be enough to preserve a diverse gene pool.

New NSF 'middleware' advances collaborative research and education
A new suite of software products that allows researchers to manage massive physics datasets online, simulate earthquakes via large

Americans' self-esteem undermined by focus on body image
American college students are much more likely to worry about the way they look and to spend time obsessing over their bodies than their German counterparts, according to a new study.

Hibernating squirrels provide clues for stroke, Parkinson's
A compound that enables squirrels to hibernate may one day help minimize brain damage that results from stroke, according to a researcher at the Medical College of Georgia and Veterans Affairs Medical Center in Augusta.

Smoking may change type of lymphoma into more lethal form of cancer
A Northwestern University investigator has hypothesized that smoking may play a dual role in the development of a cancer of the lymph glands called follicular lymphoma -- first causing it to develop and then transforming it into diffuse large cell lymphoma, an aggressive cancer generally associated with a poor prognosis.

No significant rise in cancer deaths in 3-Mile Island residents over 20 years, says Pitt
In a 20-year follow-up of mortality data on residents living within a five-mile radius of Three Mile Island, researchers at the University of Pittsburgh's Graduate School of Public Health found no significant increase overall in deaths from cancer.

Northwestern launches major gene banking project
The Center for Genetic Medicine at Northwestern University has launched a major gene banking project that will use information from the human genome sequence to unravel the genetic cause of many diseases and eventually help scientists develop new tests, determine which patients will respond best to a particular drug and develop therapies targeted to fight specific illnesses.

Depression after bypass surgery linked to later problems
Patients who are depressed one month after undergoing bypass surgery are more likely to have chest pain and other cardiac problems five years after the surgery, says new research.

Genetic variant may impact smoking cessation
Smokers with a specific genetic variant may be more vulnerable to cigarette cravings and relapse when trying to quit smoking, a study by researchers from the Tobacco Use Research Center of the University of Pennsylvania School of Medicine indicates.

Purdue scientists lead $5.9 million plant study to improve products
Everyday products from food to chairs could be improved through research led by a Purdue University scientist and funded by a new four-year, nearly $6 million National Science Foundation grant.

Obesity study focuses on after-school hours
Whether after-school hours filled with study, exercise and nutritious snacks can help turn around unprecedented obesity rates in children is the focus of a new study at the Medical College of Georgia.

Unlike hotels, restaurants follow the pack on long-term debt
Restaurant companies listed on the stock exchange followed the majority of firms in their use of long-term debt, incurring less long-term debt when there was potential for growth, according to hospitality industry experts.

International Space Station Expedition Five science operations
Engines for airplanes and rockets -- and fuels to power them -- will benefit from the materials and processes studied on the International Space Station this week.

Seeing into the Alzheimer's brain
Right now, doctors can only diagnose Alzheimer's disease definitively through an autopsy - but research results are leading some doctors to believe that PET scanning could soon be used to give a trustworthy diagnostic and guide treatment for those with Alzheimer's and the dementia disorders that mimic it.

Internal medicine organizations agree on principles of recertification program
Internal Medicine Organizations Agree on The American Board of Internal Medicine (ABIM) and American College of Physicians-American Society of Internal Medicine (ACP-ASIM) announced agreement on principles to guide development of the recertification program for board-certified internal medicine physicians.

Jefferson scientists find evidence of greater sensitivity to addictive drugs in adolescence
Researchers at Jefferson Medical College have evidence in animals that the young, adolescent brain may be more sensitive to addictive drugs such as cocaine and amphetamines than either the adult or newborn.

Story tips from DOE's Oak Ridge National Laboratory Nov 2002
Highlights include stories in physics (Probing stellar violence and Magic nucleix2), health (Organ lifesaver), and homeland security (Portable radiation analysis).

High selenium consumption may protect ex-smokers from bladder cancer
Former smokers with high quantities of selenium in their toenails experienced half as many bladder tumors as their counterparts with low amounts of the element, according to a study published in the November issue of the American Association for Cancer Research's journal Cancer Epidemiology Biomarkers & Prevention.

US and Scottish astronomers explain hot star disks
Astronomers have been puzzled for decades as to how the rings of hot gas surrounding certain types of star are formed.

Snakes, robots, and the war on terrorism
The magnitude of the devastation on 9/11 exceeded the available resources of urban search and rescue specialists, dogs, and sensors.

Perception of punishment undermines HIV treatment adherence
Although advances in drug therapies have made HIV a manageable illness, patients' negative attitudes about the disease may undermine treatment, according to new research.

German and U.S. laboratories to collaborate on the development of X-ray free electron lasers
DESY, Germany's leading particle physics and synchrotron radiation laboratory, and the DOE's SLAC, established a unique international collaboration for the development of X-ray free-electron lasers.

Nearness of supermarkets boosts people's intake of nutritious fruits and vegetables, study reveals
Black Americans' fruit and vegetable intake increased by 32 percent for each additional supermarket in the neighborhoods where they lived, according to a new University of North Carolina at Chapel Hill School of Public Health study.

Space Shuttle returns first soybeans grown on Space Station in commercial farming experiment
Like farmers across the nation bringing in their crops this season, researchers in Wisconsin are carefully taking stock of a very special harvest - one grown aboard the International Space Station.

Religious coping may ease depression in cancer patients' spouses
Prayer and other forms of religious coping, especially in moderation, may help reduce depression among the spouses of people with lung cancer, a new study suggests.

McLean Hospital and Repligen announce results of brain imaging study of secretin
Researchers from the Brain Imaging Center at McLean Hospital and Repligen Corporation (Nasdaq: RGEN) reported today the results of a clinical trial designed to assess the neurological activity of secretin by functional magnetic resonance imaging. 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