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Science News for March 25, 2000


Several new single-molecule magnets discovered

New single-molecule magnets have been discovered by Indiana University researchers, offering a promising solution for increasing the density of digital information in hard drives and other devices. The breakthrough could enable storage densities up to 30 terabits per square centimeter, surpassing current bests.

SourceIndiana University·DateMar 25, 2000

Virginia Tech researchers advancing fuel cell materials

Researchers at Virginia Tech are developing new proton exchange membrane (PEM) materials for fuel cells, which can operate at higher temperatures and improve efficiency. The materials being developed have demonstrated better results than existing materials in terms of heat tolerance.

SourceVirginia Tech·DateMar 25, 2000

Creating a standard spectrum of smell

Researchers at Cornell University have developed a standard spectrum of smell to identify individuals with specific anosmia, which can distort data in sensory research labs. The new approach uses gas chromatography olfactometry to categorize people into three sensitivity levels: hyperosmic, hyposmic, and anosmic.

SourceCornell University·DateMar 25, 2000

Illegal drug use patterns are important to adolescents when selecting friends

A new study found that adolescents from different ethnic groups share similar levels of illegal drug use with their friends. The study suggests that historical and cultural circumstances may influence the selection of friends, but not to an extent that identical friends are avoided.

SourceAmerican Psychological Association·JournalDevelopmental Psychology·DateMar 25, 2000
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