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Science News for August 1, 1997


Resistance To Leptin Contributes To Obesity

A study published in the Proceedings of the National Academy of Sciences found that mice with resistance to leptin are more likely to become obese. The researchers used a novel technique called ICV infusion to deliver leptin directly into the brain, which resulted in significant weight loss and fat reduction in lean mice.

SourceRockefeller University·JournalProceedings of the National Academy of Sciences·DateAug 1, 1997

DNA Won't Carry Electrons Very Far

Research at Northwestern University and Argonne National Laboratory reveals DNA's limitations as a molecular material. Despite carrying electrons, the rate of electron transfer falls off quickly with distance, rendering it unsuitable for practical applications.

SourceDOE/Argonne National Laboratory·JournalScience·DateAug 1, 1997
Sky-Watcher EQ6-R Pro Equatorial Mount

Sky-Watcher EQ6-R Pro Equatorial Mount provides precise tracking capacity for deep-sky imaging rigs during long astrophotography sessions.

New Research Suggests Method For Pre-Symptomatic Diagnosis Of Dementias

A study published in The American Journal of Psychiatry found that brain activity in individuals with Down's syndrome can predict Alzheimer's-like dementia, offering new hope for early detection and intervention. Researchers used PET scans to measure brain activity while subjects were at rest or stimulated by visual stimulation.

SourceNIH/National Institute on Aging·JournalAmerican Journal of Psychiatry·DateAug 1, 1997

The American Phytopathological Society Announces 1997 Awards

The American Phytopathological Society recognizes distinguished members with the Fellows designation for their contributions to plant pathology. The Society also presents several awards, including the Excellence in Extension Award and the Ruth Allen Award, to honor outstanding research and teaching achievements in the field.

SourceAmerican Phytopathological Society·DateAug 1, 1997