Brightsurf Science News & Current Events

July 01, 1998
National Science Board To Solicit Input On K-12 Science & Mathematics Education Reform
The National Science Board (NSB) will hold a public hearing in Chicago on July 20, hosted by the Chicago Public Schools, to investigate the effectiveness of various school-based reform strategies to improve the nation's teaching and learning of mathematics and science.

Horses Prefer Bridles That Have A Bit Missing
An ex-cowboy from California has worked out how to control a horse using a new type of bitless bridle, which takes the pressure away from the horse's sensitive mouth.

Sacramento Glows With Urban Heat
California's capital city glows in its own summer heat in this false-color infrared image taken as part of the NASA/EPA Urban Heat Island Pilot Project (UHIPP).

New Survey Finds Physicians Seek More Clarity In MS Diagnosis And Management
A new survey shows that seven in 10 U.S. neurologists who treat multiple sclerosis believe the current definitions used to classify MS patients -- from the least to the most severe -- fail to adequately address the diagnosis and management of patients in each of the disease categories.

Researchers Document Transmission Of Protease-Resistant HIV
A team of AIDS researchers has reported a case in which a person has become infected with HIV that is resistant to six of the 11 approved HIV anti-retroviral drugs, including protease inhibitors.

Professional Nursing Care Related To Fewer Adverse Patient Occurrences, Study Finds
University of Iowa researcher finds that higher proportions of care delivered by registered nurses related to fewer adverse patient occurrences in 81 hospital nursing units.

Only Eight Percent Of San Francisco HIV-Positive Urban Poor Receive Protease Inhibitors
In the first large-scale study of HIV treatment among the urban poor, University of California San Francisco AIDS researchers have found that very few of the HIV-infected poor receive drugs to combat the virus.

Summer Science: Where Have All The Honeybees Gone? UD 'Bee Guy' Asks Why--From America To The Amazon
If the backyard isn't buzzing this summer, blame it on mites and the diseases they carry, says Dewey Caron, UD's 'bee guy,' who braves apiaries from America to the Amazon.

UCSF Researchers Investigate Mystery Of People Who Remain Uninfected With HIV Despite Multiple Exposures To The Virus
People repeatedly exposed to HIV but not infected may have some kind of immune protection that allows their cells to resist invasion by the virus.

New Penn State Software Predicts Battery Failure
Penn State engineers have developed neural network pattern recognition software --

Wake Forest Study: Dermatologists Provide Better, Cheaper Care For Fungal Skin Disease
Should you see a specialist for athlete's foot? You should if you want the infection cleared up faster and at less cost, according to researchers at the Wake Forest University School of Medicine.

LBS-Neurons For Treating Stroke
Physicians at the University of Pittsburgh Medical Center (UPMC) are evaluating the use of LBS-Neurons in the world's first clinical human neuron transplant into a patient's brain.

Malnutrition In AIDS Patients
This study evaluated the ability of malnourished AIDS patients to respond to supplemental protein-rich formulas.

Thousands Of AIDS Deaths Could Be Prevented With Expanded Medicaid Coverage, UCSF Study Concludes
Thousands of U.S. AIDS deaths and late-stage cases of the disease could be averted by expanding federal Medicaid coverage of HIV drugs, according to a new study by University of California San Francisco AIDS policy researchers.

UNC Surgery Pioneer Publishes Third Edition Of Laparoscopy Text
Laparoscopy, a controversial technique when introduced into the United States in the late 1960s, is now a widely used form of surgery and the topic of the third edition of Dr.

Treating Anemia Reduces Risk Of Death For People With HIV
New data presented at the 12th World AIDS Conference in Geneva show that untreated anemia alone can significantly increase the risk of death in people with HIV/AIDS.

Novel Liver Steroid Slows Brain Tumor Growth
Laboratory studies at Johns Hopkins have dramatically confirmed the power of a chemical discovered from the liver of sharks to slow the formation of new blood vessels destined to feed brain cancers as well as other tumors.

Testosterone Improves Quality Of Life In Men With AIDS Wasting Syndrome
A research team based at the Massachusetts General Hospital has found that testosterone administration significantly increases lean body mass and improves the quality of life in men with AIDS wasting syndrome.

Many Gay Men Infected With HIV Are Opting To Delay Treatment, Despite Availability Of Drugs
HIV-infected gay men in the United States who want drug therapy for HIV are generally able to get it, but not all of them are immediately jumping on the drug bandwagon, according to a study by University of California San Francisco AIDS researchers.

Upswing In Industrial R&D Creating Positive Economic Benefits
Increases in industrial research and development (R&D) activities are the highest recorded since the early 1980s, according to a new National Science Board (NSB) report to Congress.

HIV Patients' Mental Health Affects How Seriously They Take Treatment
HIV patients who feel they have a meaningful life and are well cared for take their treatment more seriously than those who don't, a new University of California San Francisco study has found.

Obesity And Breathing Capacity
While extreme obesity is known to impair breathing, less is known about the effects of body fat on breathing capacity.

"Sagging Brain" Case Dramatizes Importance Of Exhaustive Neurological Exams In Patients With Puzzling Conditions
The successful treatment of a man ultimately diagnosed as having a

EPA Choosing Lab Science Over Epidemiology To Establish Drinking Water Guidelines
To support its view that chloroform only presents a danger as a carcinogen when its concentration in drinking water exceeds 300 parts per billion, EPA has had to favor toxicological data over conflicting epidemiological data.

Monogamy Has Its Rewards For Flies
Having sex with only one partner makes males nicer and females less defensive, at least in fruit flies.

Designing A New Cockpit: Researchers Help Australian Navy Transform Helicopters
Georgia Tech human factors researchers are working with two industrial contractors to help the Australian Navy update a dozen SH-2 Seasprite helicopters.

Destructive Algae Overtaking Mediterranean Waters
An unusually agressive, novel type of algae is carpeting the Mediterranean seafloor in an invasion that has crossed the borders of five countries in just a decade, reports the July 4 issue of Science News.

Scientists Make Progress Toward Gene Therapy For HIV Infection
Scientists at the National Institute of Allergy and Infectious Diseases have reported their first findings from a novel study to determine whether virus-fighting immune cells can be genetically altered to boost the immune system's response to HIV infection.

Astronomers Find New Class Of Asteroid
University of Hawaii astronomers have discovered a new type of asteroid,whose orbits lie completely within the orbit of the Earth.

AHA Comment:Effects Of Diet And Exercise In Men And Postmenopausal Women With Low Levels Of HDL Cholesterol And High Levels Of LDL Cholesterol
A new study shows that a combination of diet and physical activity can reduce LDL cholesterol levels in men and postmenopausal women at risk for coronary heart disease because of elevated levels of LDL (

Discovering Virology From Beijerinck To Hyperlinks
The American Phytopathological Society (APS) commemorates, through its feature home page at, the 100th anniversary of the discovery of tobacco mosaic virus with hyperlinks to the historical research of Beijerinck, articles featuring the discovery, a photo gallery of associated images and links to related sites.

Pharmacologists Discover Linkage Of Key Cell Switches
Two critical molecular on and off switches that govern cell processes are intricately bound together in a single control unit, cancer pharmacologists at Vanderbilt University School of Medicine and the Duke University Medical Center have reported.

Scientists Learn How Cells Limit Their Stress
Northwestern scientists have learned how stress molecules in cells turn off so they don't keep cells in a chronically stressed state.

Evidence From Old Tumors Foretells Which New Breast Cancer Patients Will RequireAdditional Treatment
In the largest study ever completed of node-negative breast cancer patients treated with surgery alone, researchers found that two biological markers -- nm23 and micro-vessel count -- could predict which breast cancers were likely to spread.

World's First Producer To Repair Brain Damage From Stroke
On June 23, 1998, doctors at the University of Pittsburgh Medical Center (UPMC) performed the world's first cell transplant to reverse brain damage from stroke on a 62-year old woman with paralysis of the right leg and arm and loss of most speech.

Science And Engineering Indicators '98 Survey Shows Americans' Interest In Science Grows
Americans say they are more interested and more aware than ever about scientific discoveries, inventions and new technologies.

Robert Wood Johnson Health Policy Fellows Named For 1998-1999
Seven health professionals have been named Robert Wood Johnson Health Policy Fellows for 1998-1999 by the Institute of Medicine (IOM) and the National Academy of Sciences.

Fish Oils And Heart Disease
While fish oils are known to lower triglyceride and decrease blood clotting, little is known about their effects on the function of the heart. 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