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Science News for September 24, 1997


Stiffening The Spines Of Large Space Structures

A Stanford doctoral student has developed a dynamic control system that uses Global Positioning System signals to actively control errant oscillations in large space structures. The system can detect centimeter-level precision and automatically fire thrusters to compensate for wayward motions, allowing for stable structure operation.

SourceStanford University·DateSep 24, 1997

Research Indicates Earth's Moon May Have Formed In Year Or Less

A team of researchers estimated that the moon formed in a year or less after a massive collision between Earth and a rogue 'protoplanet'. The study, published in Nature, suggests that only about half of the debris from the collision coalesced into the moon, with the rest falling back to Earth.

SourceUniversity of Colorado at Boulder·JournalNature·DateSep 24, 1997

New, Environmentally Friendly Technique For Separating Liquids Invented At UNC-CH

Researchers at UNC-CH have invented a process using carbon dioxide to separate liquids, promising a more environmentally friendly alternative to toxic solvents. The new method, described in Nature, has shown success in removing dye from water and could be applied in industries releasing vast amounts of waste water into the environment.

SourceUniversity of North Carolina at Chapel Hill·JournalNature·DateSep 24, 1997
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Plant-Based Therapies Examined For Colon Cancer Prevention

Researchers at Rockefeller University are conducting a study to examine the potential of three plant-derived compounds - curcumin, rutin, and quercetin - to prevent colorectal cancer. The study aims to determine whether these compounds can safely inhibit the development of colon polyps and reduce cancer risk.

SourceRockefeller University·DateSep 24, 1997