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Science News for May 12, 1999


Physicists Find Simple Solution To Great-And-Small Mystery

A team of physicists has devised a general theorem to explain the phenomenon of allometric quarter-power scaling, which describes how biological processes vary in predictable ways depending on an organism's mass. The researchers found that efficient transportation networks, including those in plants and animals, follow this scaling law.

SourcePenn State·JournalNature·DateMay 12, 1999

Enzyme Required To Prolong Life In Worms Identified By Researchers At Columbia; Key Enzyme Appears To Protect Animal Cells From Oxidative Damage

Scientists discover cytosolic catalase enzyme protects cells from oxidative damage in long-lived worms, offering insight into aging process and potential therapy for nervous system diseases. The study suggests that increasing cellular health through antioxidant measures could extend lifespan, rather than relying on genetic regulation.

SourceColumbia University·JournalNature·DateMay 12, 1999

NYU Chemist Supports New Theory For Origin Of Life

NYU chemist Robert Shapiro challenges existing assumptions about life's universality with a new theory that simple cellular life may arise from organic chemistry and self-organizing systems. He also advocates for continued search for extraterrestrial life in nearby worlds like Mars, Europa, and Titan.

SourceNew York University·JournalProceedings of the National Academy of Sciences·DateMay 12, 1999

Normal Cameras Can Now Take Digital Pictures

Kodak and Intel are teaming up to produce a device that lets normal stills cameras take digital pictures. The new technology uses microchips that can be built into film cameras, allowing images to be transferred to CD-ROM for permanent storage.

SourceNew Scientist·JournalThe New Scientist·DateMay 12, 1999

American Heart Association Comment: The Effect Of Folic Acid Fortification On Plasma Folate And Total Homocysteine Concentrations

Researchers found that folic acid fortification in grains increased plasma folate levels and reduced total homocysteine concentrations. This study provides important information on the impact of consuming specific amounts of folate on blood homocysteine levels, which may have implications for reducing heart disease risk.

SourceAmerican Heart Association·JournalNew England Journal of Medicine·DateMay 12, 1999