Brightsurf Science News & Current Events

June 17, 1999
Caterpillars foiled when tomato plants summon parasitic wasps
In a study of tomato plants, beet armyworms and parasitic wasps, a UC Davis researcher found that wasps on tomato plants whose defense systems were artificially stimulated killed twice as many armyworms as did wasps on untreated plants.

USGS assesses nation's biological resources at century end
The U.S. Geological Survey has released the first large-scale assessment of the nation's natural resource heritage in a two-volume report,

Metal parts made in the microwave oven
Anyone who uses a microwave knows that metals, such as aluminum foil, should not be placed in these ovens, but a team of Penn State material scientists is microwaving a wide range of powder metals and producing machine components with improved properties.

Ginkgo herbal supplements vary widely in content
Consumers of Ginkgo biloba herbal products may not be getting their money's worth, according to a new study by scientists at the University of Idaho.

The dark side of telemedicine
Illegal access and misuse of online medical or psychiatric data, whether in transit or stored, could lead to job turndowns, insurance refusals, blackmail, scandal and even death.

WHO issues wake up call against microbial threats
The World Health Organization (WHO) today warned that the world has dangerously underestimated the threat bacteria and viruses are posing to national security and economic growth, and may soon miss its opportunity to protect people from this risk.

Interpersonal and social rhythm therapy may offer patients with bipolar disorder an improved chance of long-term health
In research findings presented today at the Third International Conference on Bipolar Disorder, doctors at the University of Pittsburgh School of Medicine found that interpersonal and social rhythm therapy (IPSRT) may have an important role in improving the quality of long-term remission in patients with bipolar disorder.

Biomedical engineers working to help kids with special needs
CHAPEL HILL - Getting permission to go to the bathroom during class can be trouble enough for healthy children, but imagine how much more difficult it would be if you couldn't talk.

Summer science: Watermelon ripeness sensor might promise huge savings for growers worldwide
Forget thumping watermelons to check for ripeness. Green watermelons -- a serious economic threat to farmers and a disappointment for consumers -- may be quickly and automatically rejected by a new machine invented by four University of Delaware engineering students.

Breast cancer cells shown to migrate toward hormone source - novel mechanism for metastasis seen
Acting as a chemical attractant, the hormone prolactin stimulates the coordinated movement of breast cancer cells in culture, according to a new study.

Treatment restores normal heart rhythm in patients
Researchers from the University of Michigan restored normal heart rhythms in 100 percent of study patients with atrial fibrillation through treatment with an ibutilide fumarate injection prior to an electrical shock to the heart.
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