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Science News for December 17, 1997


Expanding AIDS Epidemic In India Includes Monogamous Wives

A recent study found that risk factors for HIV infection among married women in India include having a sex partner with a sexually transmitted disease. The researchers discovered a significant correlation between HIV transmission and the cultural norm of not discussing sexual behavior, emphasizing the need for accessible STD prevention...

SourceJohns Hopkins Medicine·JournalJAMA·DateDec 17, 1997

Researchers Improve Treatment Of Industrial Waste

Using heat-resistant microbes, researchers can treat waste air and water emissions at temperatures up to 70 degrees Celsius. The new process eliminates the need for cooling, saving companies time and money while reducing environmental impact.

SourceUniversity of Toronto·DateDec 17, 1997
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New Bacterium May Aid War On Insect Pests

Scientists have discovered a new bacterium, Photorhabdus luminescens, with a toxin effective against a broad range of insect pests. The bacteria can be used as a spray or fed directly to insects, and its genetic material has been licensed for use in crop plants.

SourceUniversity of Wisconsin-Madison·DateDec 17, 1997

Symptoms Found That Identify Early-Stage HIV Infection

A study published in the Journal of the American Medical Association found that certain symptoms like fever, joint pain, and night sweats can identify people with recent HIV infection before a positive blood test. The researchers screened over 3,800 patients and found that those with these symptoms were more likely to have the virus.

SourceJohns Hopkins Medicine·JournalJAMA·DateDec 17, 1997

Green Tea Ingredient Can Kill Cancer Cells

Researchers at Case Western Reserve University have discovered that epigallocatechin-3-gallate, a green tea compound, can induce programmed cell death in cancer cells without harming healthy cells. This finding offers new hope for cancer prevention and treatment, and may lead to the development of purified polyphenolic derivatives.

SourceCase Western Reserve University·JournalJNCI Journal of the National Cancer Institute·DateDec 17, 1997
GoPro HERO13 Black

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Red Wine's Health Benefits May Be Due In Part To

Researchers at Northwestern University Medical School found that resveratrol in red wine is a form of estrogen with cardioprotective properties. Moderate consumption of red wine may reduce cardiovascular disease risk due to its resveratrol content, which activates estrogen receptors and increases HDL cholesterol.

SourceNorthwestern University·JournalProceedings of the National Academy of Sciences·DateDec 17, 1997