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Science News for June 22, 1998


Brain Antibodies Provide New Clues To Origins Of Tourette's

Researchers at Johns Hopkins Medicine have discovered that brain antibodies may trigger Tourette's syndrome in part by attacking brain nerve cells after a bacterial infection. The study found higher levels of antibodies against proteins in the putamen area of the brain, suggesting a link between infections and Tourette's symptoms.

SourceJohns Hopkins Medicine·JournalNeurology·DateJun 22, 1998

"A Little Bit Here" And "A Little Bit There" Can Add Up To A Big Problem

The report highlights the problems caused by nonpoint source pollution, including eutrophication, which can lead to fish kills, coral reef destruction, and shellfish poisoning. The report provides solutions, such as reducing fertilizer applications, improving sewer systems, and restoring wetlands.

SourceEcological Society of America·JournalEcological Applications·DateJun 22, 1998
GQ GMC-500Plus Geiger Counter

GQ GMC-500Plus Geiger Counter logs beta, gamma, and X-ray levels for environmental monitoring, training labs, and safety demonstrations.

Jefferson Researchers Provide Leads To Potential Parkinson's Treatment

Researchers at Thomas Jefferson University found that a naturally occurring substance in the cell membrane, GM1 ganglioside, improved symptoms in Parkinson's disease patients and slowed progression. The study showed significant differences in motor abilities between those who received the drug and those who did not.

SourceThomas Jefferson University·JournalNeurology·DateJun 22, 1998

Getting A Solid View Of The Suns's Corona

Scientists plan to use stereo imaging to analyze the three-dimensional structures of the Sun's corona, which can help predict explosive events like coronal mass ejections and solar flares.

SourceNASA/Marshall Space Flight Center--Space Sciences Laboratory·DateJun 22, 1998

Why Some Microwaved Foods Explode

A Cornell University professor has developed mathematical and computer models to explain how different foods are affected by microwave heating. The models take into account food characteristics, placement in the oven, and oven power, providing a quantum leap in understanding of microwaving behavior. This research aims to improve the U....

SourceCornell University·DateJun 22, 1998
Sony Alpha a7 IV (Body Only)

Sony Alpha a7 IV (Body Only) delivers reliable low-light performance and rugged build for astrophotography, lab documentation, and field expeditions.

One-Time Needles Don't Reduce HIV Among Addicts, Study Shows

A study by INFORMS shows that introducing difficult-to-reuse syringes, also known as DTRs, into the current needle population does not reduce HIV rates among addicts. In fact, it increases the risk of exposure to infectious needles due to increased reuse of regular syringes.

SourceInstitute for Operations Research and the Management Sciences·JournalInterfaces·DateJun 22, 1998

Heart Disease Kills More Women In Poorer Neighborhoods

New research reveals that women living in low-income areas with single-parent households are more likely to die from heart disease, possibly due to increased social and physical stress. The study also found that African American women face higher mortality rates due to neighborhood environments that exacerbate health disparities.

SourceCenter for Advancing Health·JournalJournal of Health and Social Behavior·DateJun 22, 1998

New Journal Issue Updates Alternative Testing Advances

New research from the Ispra, Italy meeting of the Scientific Group on Methodologies for the Safety Evaluation of Chemicals has made significant progress in developing and validating alternative methods to animal testing. These advances aim to reduce animal pain and distress while improving human health protection and environmental prot...

SourceNIH/National Institute of Environmental Health Sciences·JournalEnvironmental Health Perspectives·DateJun 22, 1998

Remembering And Forgetting Childhood Sexual Abuse: It's How Events Are Encoded In Memory And How People View Themselves, Not Repression

A new study suggests that people can forget instances of childhood sexual abuse through normal means, rather than relying on repression or 'recovered memories'. Events that are not well understood or frequently thought about are more difficult to retrieve from memory. The researchers found that people's views of themselves can be a pow...

SourceUniversity of Washington·JournalMemory·DateJun 22, 1998

A Hint Why Hormone Therapy For Prostate Cancer Ultimately Fails

Researchers found that anti-androgen drugs can trigger the protein that makes prostate and cancerous cells grow, leading to a possible explanation for why hormone therapy loses effectiveness after one or two years. The study suggests that more research is needed to confirm the results.

SourceUniversity of Rochester·JournalProceedings of the National Academy of Sciences·DateJun 22, 1998
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