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Science News for March 18, 1998


Study Shows Weight Loss, Dietary Changes Achievable For Many Older People

A study of 975 older adults with hypertension found that about 40 percent maintained diet and exercise changes, enabling them to stop taking medication for high blood pressure. Participants who made moderate changes in body weight and salt intake showed impressive results, controlling blood pressure without medication.

SourceAtrium Health Wake Forest Baptist·JournalJAMA·DateMar 18, 1998

Cost, Use Of Health Services Is Not Affected By Physician Compensation: A StudyOf Washington State Medical Groups/Managed Care Organizations

Researchers analyzed data from 60 medical groups in Washington state, finding that physician compensation type did not affect patient costs or utilization. However, factors such as patient age, gender, health plan benefit level, and physician age were identified as significant influencers of health service use.

SourceUniversity of Washington·JournalJAMA·DateMar 18, 1998

Mirror Surfaces With Nary An Atom Exposed

A team of researchers is working on creating silicon surfaces that are essentially totally flat, which could improve the performance of transistors in the semiconductor industry. The technique uses a basic hydrofluoric acid solution to etch away surface atoms one by one, producing small areas with perfect flatness.

SourceCornell University·DateMar 18, 1998
SAMSUNG T9 Portable SSD 2TB

SAMSUNG T9 Portable SSD 2TB transfers large imagery and model outputs quickly between field laptops, lab workstations, and secure archives.

Tighter Chemical Binding = Better Meds

Researchers at Yale University are using computer simulations to design more effective pharmaceuticals by optimizing chemical binding to target proteins. This approach has the potential to improve treatment outcomes for diseases such as dementia, diabetes, and spinal cord injuries.

SourceYale University·DateMar 18, 1998

El Nino Forecasting Benefits Agriculture

A cost-benefit analysis found El Nino forecasting provides an annual economic return of 13-26% to the US agricultural industry, exceeding the government's minimum standard. The Tropical Ocean Global Atmosphere (TOGA) climate research program yields benefits worth $240-266 million annually.

SourceGeorgia Institute of Technology·DateMar 18, 1998

Mom Was Right: If You Don't Have Anything Nice To Say About Someone, Don't Say Anything At All: The Boomerang Effect Of Gossip Is Discovered

Researchers discovered the spontaneous trait transference phenomenon, where people who describe positive or negative traits in others are often attributed those same traits. This occurs even when participants are told there's no connection between the speakers and statements, suggesting an irrational, unconscious process.

SourceAmerican Psychological Association·JournalJournal of Personality and Social Psychology·DateMar 18, 1998