Brightsurf Science News & Current Events

November 14, 2000
Emory researchers report abnormal gene silencing may lead to breast cancer progression
Emory University scientists have discovered that a mistake in the way DNA is labeled and packaged by methyltransferase enzymes could lead to the abnormal silencing of TMS-1, a gene that plays an important role in keeping breast cancer cells in check, thus contributing to breast cancer progression.

New center seeks environment-friendly growth
Cornell University and the University of Southern California will use a seed grant of $175,000 from the U.S.

Monkeys control a robot arm via brain signals
Duke University Medical Center researchers and their colleagues have tested a neural system on monkeys that enabled the animals to use their brain signals, as detected by implanted electrodes, to control a robot arm to reach for a piece of food.

American Chemical Society recognizes landmark chemistry research at DuPont
Research in 1930s by DuPont chemist Wallace H. Carothers that led to the production of nylon- a revolution in the textile industry - will be honored as an International Historic Chemical Landmark by the American Chemical Society, the world's largest scientific society, on November 17.

Smooth regulation of lipid metabolism
As published in the November 15th issue of Genes & Development, a collaboration between a medical school and a biotech company gives hope in the fight against cardiovascular disease.

How much of the world do we really see?
How much of the world around us do we actually see?

Emory reports successes in angioplasty to American Heart Association: lower risk, lower cost, improved outcomes
From 1980 through 1999, physicians at Emory University Hospital performed 34,508 coronary angioplasties.

Venomous dinosaurs really existed
The poison-spitting dinosaurs in Jurassic Park were pure fiction. But now the first evidence that venomous dinosaurs may really have existed has been revealed from a tooth found in Mexico with a groove down the back, like the venom- delivering teeth of poisonous snakes.

Hartford Institute/AACN award honors nursing schools for innovative gerontology education
The Award for Exceptional Baccalaureate Curriculum in Gerontologic Nursing, presented by the Hartford Institute for Geriatric Nursing and the American Association of Colleges of Nursing recognizes schools and programs of nursing that exhibit exceptional and innovative baccalaureate curricula in gerontological nursing education.

Physicians need better training in end-of-life care, according to UCSF editors of new JAMA series
Too frequently, clinicians feel lost and out of place caring for dying patients.

Balloon treatment yields results similar to surgery
For patients with rheumatic mitral stenosis, balloon mitral valvotomy yields similar long-term results compared to a surgical procedure called commissurotomy, according to a University of Pittsburgh study presented today at the American Heart Association annual meeting in New Orleans.

Unified theory relates microbial metabolism to lab and field
The ability to describe the rates at which microbial populations metabolize in the natural environment has been limited by the lack of a general theory of microbial kinetics.

UF scientists discover novel mechanism underlying bone destruction
University of Florida researchers have discovered a new way bone-destroying cells function in the body that could pave the way for the development of new drugs to treat osteoporosis as well as some of the most deadly forms of cancer.

Mammalian telomere maintenance
Research into telomere maintenance is at the forefront of the biomedical investigation of aging and cancer.

Dr. May L. Wykle to be honored with the Doris Schwartz Gerontological Nursing Research Award for her work with minority caregivers
Dr. May L. Wykle has been selected as the recipient of the Doris Schwartz Gerontological Nursing Research Award by the Hartford Institute for Geriatric Nursing and the Gerontological Society of America for all her outstanding contributions to the field of gerontological nursing research and specifically her work with minority caregivers.

Cardiologist: potential benefits outweigh small time delay in enrolling patients with chest pain in clinical trial
Enrolling patients with chest pain in a cardiology clinical trial takes time, but not enough to offset the benefits of clinical research, researchers at Duke University Medical Center say.

Jobs plentiful for new chemistry grads
For the fourth consecutive year, chemistry graduates at all levels will find themselves in a strong position as they look for work this spring, according to a report in the current issue of Chemical & Engineering News, the weekly news magazine of the American Chemical Society, the world's largest scientific society

AstraZeneca reaffirms belief in CHARM study
New data reinforce the relevance of the CHARM study programme in investigating the benefits of AT1-receptor blockade in heart failure

Food in flight fights fainting spells and heart attacks
Having a quick snack and a non-alcoholic drink before boarding a plane can lower your chances of becoming an in- flight emergency statistic, according to a study presented today at the American Heart Association's Scientific Sessions 2000.

Therapeutic opportunities in neurodegenerative diseases
This conference will examine the latest research efforts towards understanding and treating neurodegenerative diseases such as Alzheimer's Disease, Parkinson's Disease, amyotrophic lateral sclerosis, and prion diseases.

Study sheds new light on how the 'mind's eye' works
In a first-ever demonstration, UCLA School of Medicine and CalTech researchers have shed new light on how the

Space age teaching resources: 'NASAexplores' coming to classrooms soon -- courtesy of NASA Marshall Center
Educators around the country will soon receive science and math lessons delivered to their classrooms with the ease of the Internet.

Researchers identify new genetic risk factor for HIV infection
Two groups of people especially intrigue AIDS researchers: those who resist HIV infection despite repeated exposure to the virus and those who progress very slowly to AIDS after infection.

Walking a Good Path: 2001 calendar
Several American Indian Organizations and the National Institute on Drug Abuse have produced a free, science-based calendar on drug abuse and addiction.

Laser technology provides long-term angina relief to heart patients
The results of a long-term study on transmyocardial revascularization (TMR) were presented today at the American Heart Association Scientific Sessions 2000.

Study finds blacks have a higher rate of mortality
A new study showing that blacks have a higher mortality rate than whites as a result of coronary artery bypass surgery (CABG) suggests that blacks would benefit from earlier diagnosis and treatment of risk factors for heart disease.

Deep mantle volcanic plumes cause of atmospheric oxygenation
If the initial rise in the Earth's atmospheric oxygen occurred between 2400 and 1800 million years ago, as most researchers agree, but oxygen producing bacteria existed more than 300 million years before that, Penn State geologists wonder what caused the delay?

European commission grants "orphan" status for new acute myeloid leukaemia treatment
The European Commission has designated Mylotarg™ (gemtuzumab ozogamicin) - a potential new treatment for patients over 60 years with CD33 positive relapsed acute myeloid leukaemia (AML) - as an

Laughter is good for your heart, according to a new University of Maryland Medical Center study
Laughter, along with an active sense of humor, may help protect you against a heart attack, according to a new study by cardiologists at the University of Maryland Medical Center in Baltimore.

First systematic study of Greek quarries may make it possible to locate area where famed Elgin Marbles originated
An extensive new field and laboratory study using cutting- edge scientific techniques may make it possible for archaeologists to pinpoint the quarries that supplied stone for some of the most famous statues and architecture of antiquity.

Welfare to work does not improve mental health
While studies have shown paid employment is good for women's mental health, new University of Florida research suggests that may not hold true for those women moving from welfare to low-wage work.

Imaging technique predicts success of bypass surgery or angioplasty
An advance in MRI developed by researchers at Northwestern University Medical School and Siemens Medical Systems has radically improved the ability to determine which patients with coronary artery disease will benefit from bypass surgery or angioplasty.

Energy department's Idaho lab teams with Russia to establish Ecological Biotrade facility
The Department of Energy's (DOE) Idaho National Engineering and Environmental Laboratory and four Russian biological institutes announced plans to work with Diversa Corporation to establish a Russian Ecological Biotrade Center to explore that country's biodiversity potential for developing important new commercial products.

Women more vulnerable to effects of cigarette smoke than men
Women seem to be more vulnerable to the damaging effects of cigarette smoke than men, shows new research in the Journal of Epidemiology and Community Health.

Sex and age could influence treatment for heart attack sufferers
Women heart attack victims are likely to be given a poorer deal than their male counterparts, shows research in the Journal of Epidemiology and Community Health.

DNA research reveals a new whale species
Genetic research by the Bronx Zoo-based Wildlife Conservation Society, American Museum of Natural History, and other organizations has revealed that right whales living in the North Pacific Ocean are actually a unique species, according to a study published in the recent issue of the journal Molecular Ecology.

Don'g get mad, get funny
One of the best ways to protect yourself against a heart attack is to laugh often and exuberantly - even in situations that many people would find unfunny or irritating - according to a study presented today at the American Heart Association's Scientific Sessions 2000 meeting.

Global warming: lessons taught by snails and crabs
If you think that global warming is some far-off problem for future generations to worry about, consider what George Somero has to say.

Trauma and stress in early life increases vulnerability to cocaine addiction in adulthood, Yale researchers find
The trauma that a majority of drug addicts suffer in early life has now been shown to increase their vulnerability to drug addiction, Yale researchers report in a new study.

Defibrillators offer safe landing for cardiac arrest
Strategically placing automated external defibrillators (AEDs) one minute apart, and making them easy to spot, has helped prevent sudden cardiac deaths at Chicago's heavily trafficked O'Hare and Midway Airports, according to a study presented today at the American Heart Association's Scientific Sessions 2000

Stress may cause excess abdominal fat in otherwise slender women, study conducted at Yale shows
Non-overweight women who are vulnerable to the effects of stress are more likely to have excess abdominal fat, and have higher levels of the stress hormone cortisol, a study conducted at Yale suggests.
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