Brightsurf Science News & Current Events

June 19, 2000
Salmon expert resource guide website
The National Sea Grant College Program has available on-line, (PDF), its 70-page

ORNL joins computing elite, surpasses 1 teraflop
OAK RIDGE, Tenn., June 20, 2000 -- Recently acquired supercomputers from IBM and Compaq have made Oak Ridge National Laboratory (ORNL) home to the most powerful unclassified computers in the nation and are advancing its leadership role in computational science.

Former astronaut and solar physicist wins prestigious award for studies of the Sun
Loren Acton, a former astronaut who founded the solar physics group at Montana State University-Bozeman, has received the George Ellery Hale Prize, a major award in the field of solar physics.

Pizza, brownies to be part of 'low-fat' diabetes diet
A new diet study aimed at trying to reverse diabetes or diminishing its symptoms will allow participants to eat favorite high-fat foods like brownies and pizza by replacing the real fat with Olestra, a fat substitute now found only in snack foods like potato chips.

Tumor-specific antibody eradicates brain tumors in mice
A new monoclonal antibody that targets a mutated protein found only in cancer cells can eradicate tumors in mice without the aid of additional toxic substances, Duke Comprehensive Cancer Center researchers and others reported Tuesday.

Researchers create a strong new molecule in the fight against AIDS
Researchers have created a new molecule that appears to survive in cells longer than existing treatments to combat the virus that leads to AIDS, according to a new study reported in the June 21 edition of the Journal of the American Chemical Society, published by the world's largest scientific society.

Researchers decipher chemical 'cross talk' that determines survival of immunecells
Molecular biologists at the University of California, San Francisco have deciphered a pattern of signals that spells life or death to each T cell of the immune system and may control the development of the body's natural defense arsenal.

Virus linked to Kaposi's sarcoma sabotages immune system with a new and unusual strategy
The virus that causes a common form of AIDS-related cancer sabotages the body's immune system in a novel and previously unsuspected way, University of California, San Francisco scientists have discovered.

Carnegie Mellon brain scientists find human brain applies law of least effort when solving problems
Using brain imaging, scientists at Carnegie Mellon University have discovered how the human brain goes to work on solving a problem and how it employs surprising economies of effort in the process.

Exercise improves heart health for those with chronic heart failure
Exercise can help patients with chronic heart failure improve their circulation, increase the amount of blood pumped by the heart with each beat and reduce heart enlargement, according to an article appearing in the June 21 issue of The Journal of the American Medical Association (JAMA).

Bad neighborhoods can cause depression
Neighborhoods are often thought merely to reflect the people who live in them, but a new study suggests that bad neighborhoods contribute to feelings of depression in residents.

Study of cocaine withdrawal shows symptoms are less daunting than previously thought
Withdrawal from cocaine is no picnic, but a study by a researcher at the University at Buffalo has shown that it may not involve the wrenching ups and downs and intense cravings that specialists in the field have considered the norm.

Recommendations for the establishment of primary stroke centers
The Brain Attack Coalition's recommendations for a Primary Stroke Center address the following 11 major aspects of acute stroke care: Acute Stroke Teams; Written Care Protocols; Emergency Medical Services; Emergency Department; Stroke Unit; Neurosurgical Services; Support of Medical Organization; Neuroimaging; Laboratory Services; Outcomes/Quality Improvement; and Educational Programs.

It's a snap: magnetic fields seen 'snapping' back to the sun
A decades-old mystery about the behavior of magnetic fields in solar flares may now be solved, thanks to careful observations by a pair of solar scientists.

Annals of Internal Medicine, tip sheet, June 20, 2000
1)Erectile Dysfunction Drug May Be Cost-Effective, But Should Health Insurance Pay for It?; 2) Hemophilia patients infected with HIV and hepatitis G virus (HGV), a virus that is prevalent but not known to be associated with any chronic disease, had better AIDS-free survival rates than those not infected with HGV.

Two-drug combination therapy shows promise against melanoma
Melanoma researchers at UCSD have developed a new drug- combination therapy that has proven in Phase II clinical trials to be significantly better at extending patients' lives than any other drug therapy.

The effect of education on depression increases with age
The protective effect of higher education against depression increases as people age, suggest the results of a new study.

UF researchers find oldest bones of new giant ground sloth species
Bones of a newly discovered ground sloth that is the oldest of its kind ever found in North America have been uncovered by a University of Florida research team.

Male circumcision appears to protect from HIV infection
Scientific evidence supports the conclusion that circumcised men in sub-Saharan Africa are at reduced risk of HIV infection.

Establishing "stroke centers" in hospitals would reduce deaths and disabilities, say stroke experts
The June 21, 2000, issue of the Journal of the American Medical Association (JAMA) features the first-ever recommendations for hospital stroke centers, authored by members of the Brain Attack Coalition, a group of professional, volunteer and government organizations dedicated to improving stroke treatment and prevention.

New test for presence of nitric oxide could improve medical knowledge
Researchers supported by the National Science Foundation (NSF) have developed a means to detect nitric oxide that could help improve scientists' understanding of this molecule's role in neurological signaling and other biological functions.
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