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Science News for May 10, 1999


Tougher Than Silicon

Researchers have created an alloy that can handle high-power and high-frequency microelectronic devices better than pure silicon-carbide. The alloy conducts twice as much current, making it a promising material for next-generation electronics.

Marker Found For The Most Malignant Brain Tumors

Researchers at Penn State's College of Medicine have identified a marker for certain types of brain tumors, including glioblastoma multiforme (GBM), which are the most prevalent and difficult-to-manage. The marker, interleukin 13 receptor, is present in over 90% of patients with GBM, making it a valuable diagnostic tool.

SourcePenn State·JournalClinical Cancer Research·DateMay 10, 1999

Less Bleeding On The Battlefield

Researchers have identified a compound with blood clot-forming abilities without normal clotting proteins, promising reduced bleeding on the battlefield. The Marine Polymer Technologies company found that poly-n-acetyl glucosamine effectively stops severe bleeding even without fibrin or thrombin.

Male Moth's Sperm Protects Females

A male rattlebox moth donates a plant-derived chemical to his female, protecting her against spiders and her eggs. The female can also benefit from this nuptial gift, with the Cornell study proving that she profits from the male's alkaloidal gift.

SourceCornell University·JournalProceedings of the National Academy of Sciences·DateMay 10, 1999

UCSB Transistor Triumphs

The UCSB transistor achieved a world record frequency of 1200 gigahertz, significantly improving the sensitivity of solid-state radar systems. This innovation enables Navy systems to detect small objects in cluttered environments, such as coastal zones.

Exploring Ocean Optics

A five-year ONR-sponsored initiative aims to investigate optical properties of the shallow ocean floor to enhance remote sensing and underwater imaging capabilities. The experiment will aid in mine detection and provide high-resolution maps of coral reef ecosystems, enabling easier disease spotting.