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Science News for April 25, 2000


Mighty things from small beginnings

A study found that moderate alcohol consumption can inhibit internal platelet aggregation, reducing the risk of heart attacks and coronary artery disease. However, the study's lead author emphasized that individual drinking habits should not be directly linked to the findings.

SourceAlcoholism: Clinical & Experimental Research·DateApr 25, 2000

'Obesity gene' causes cancer of fat tissue, Schepens scientists find

Researchers at Schepens Eye Research Institute have found that the HMG I-C gene causes tumors called lipomas in fat tissue, which can become malignant. The study suggests targeting this molecule could be useful for treating obesity and lipoma-related cancers.

SourceSchepens Eye Research Institute·JournalJournal of Biological Chemistry·DateApr 25, 2000
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Dementia patients in hospitals longer, increase costs

Studies found dementia patients had significantly longer hospital stays than those without the condition, translating to higher costs. Early detection of dementia is crucial in reducing treatment costs and improving patient outcomes.

SourceAmerican Psychiatric Association·JournalAmerican Journal of Psychiatry·DateApr 25, 2000
Aranet4 Home CO2 Monitor

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New immigrants find streets aren't paved with gold: Study

A recent University of Toronto study found that new immigrants to Canada are significantly worse off financially than earlier generations of newcomers. The study attributes this trend to the rising level of education in native-born Canadians, making it difficult for new immigrants to compete for jobs. As a result, the income gap betwee...

SourceUniversity of Toronto·JournalJournal of Social Issues·DateApr 25, 2000

Tarlike macro-molecules detected in 'stardust'

Researchers have found that most of the interstellar dust particles consist of 3-dimensionally cross-linked organic macro-molecules, called polymeric-heterocyclic-aromates. These molecules have been detected in five impact mass spectrometer samples from NASA's STARDUST spacecraft.

SourcePlaceholder·DateApr 25, 2000

ONR looks to human visual system to improve satellite images

Researchers at ONR have developed a new wavelet technique that reveals objects in satellite images using highly sophisticated neural network technology. The technique uses a smart sensing capability modeled on the human visual system, surveying the scene with two sensors to compare and contrast data.

SourceOffice of Naval Research·DateApr 25, 2000

New antibiotic-resistant salmonella bacteria identified; Study appears in New England Journal of Medicine

Researchers have identified a new strain of antibiotic-resistant salmonella bacteria in the US, prompting concerns over effective treatment options. The bacteria, which is resistant to cephalosporins, has been linked to outbreaks in poultry and other foods, posing a significant threat to public health.

SourceUniversity of Nebraska Medical Center·JournalNew England Journal of Medicine·DateApr 25, 2000
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Supercomputer finds a flat universe in BOOMERANG data

The BOOMERANG experiment found a flat universe by analyzing cosmic microwave background radiation data. The team used the NERSC supercomputer to process the large dataset and derive fundamental cosmic parameters with high accuracy.

SourceDOE/Lawrence Berkeley National Laboratory·JournalNature·DateApr 25, 2000

Cancer-protective regimen demonstrated, for first time, to prevent tobacco smoke-related lung tumors -- in mice

A chemoprevention regimen containing myoinositol and dexamethasone has been shown to effectively prevent lung tumors in male mice exposed to cigarette smoke. The regimen worked when given daily during exposure or after the mice had returned to clean air, reducing tumor incidence by nearly 40%.

SourceNIH/National Institute of Environmental Health Sciences·JournalCarcinogenesis·DateApr 25, 2000

The power of the mother-child bond

A study found that infant rats nursed by intoxicated mothers exhibit greater distress and aversion to alcohol, suggesting the mother's altered behavior is what causes their reaction. The researchers also suggest that early learning about alcohol is based on sensory experiences and context.

SourceAlcoholism: Clinical & Experimental Research·DateApr 25, 2000