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Science News for October 24, 2002


Psychological, physical abuse equally harmful to health

A recent study found that psychological abuse is equally damaging to physical health as physical abuse, with both forms of abuse linked to chronic illnesses and poor general health. The study analyzed data from the National Violence Against Women Survey and found that men and women who experienced either form of violence were more like...

SourceCenter for Advancing Health·JournalAmerican Journal of Preventive Medicine·DateOct 24, 2002

Scientists produce the script for life

Researchers at Whitehead Institute have created a global script describing how the yeast genome produces life, revealing the complex relationships between genes and proteins. This breakthrough allows for a vast network of interactions to be mapped, enabling targeted pharmaceutical approaches for diseases such as cancer.

SourceWhitehead Institute for Biomedical Research·JournalScience·DateOct 24, 2002

Untangling the web of tropical biodiversity

A new study by the Smithsonian Tropical Research Institute uses a large sample of live caterpillars to analyze tropical insect community composition. The research finds that there is indeed a predictable structure in caterpillar communities, allowing for more accurate measurements and applications in various studies.

SourceSmithsonian Tropical Research Institute·JournalProceedings of the Royal Society of London·DateOct 24, 2002

Butterfly restrains Darwin

Researchers from Leiden investigated the role of constraints in evolution using tropical butterflies. They found that constraints sometimes play a role and sometimes do not, contradicting previous assumptions about natural selection.

SourceNetherlands Organization for Scientific Research·DateOct 24, 2002
Apple iPhone 17 Pro

Apple iPhone 17 Pro delivers top performance and advanced cameras for field documentation, data collection, and secure research communications.

Study: Acidic surfaces on atmospheric aerosols greatly increase secondary aerosol formation

Researchers at the University of North Carolina at Chapel Hill have discovered an acid-catalyzed process that brings about secondary organic aerosol formation, potentially generating five to 10 times more aerosol in the atmosphere. The study's findings appear to explain various phenomena leading to aerosol formation and have important ...

SourceUniversity of North Carolina at Chapel Hill·JournalScience·DateOct 24, 2002

Coils slash death/disabilty from brain aneurysms

The International Subarachnoid Aneurysm Trial (ISAT) study found that coiling significantly reduces death and disability from brain aneurysms. Over 2,000 patients were treated with either surgical clipping or coiling, resulting in favorable outcomes for those receiving the coils.

SourceJohns Hopkins Medicine·JournalThe Lancet·DateOct 24, 2002

Study exposes dangers of snuff for smokers wanting to quit

A study by Dr. Scott Tomar found that men using snuff were more than twice as likely to switch to cigarettes than vice versa, with 40% of former snuff users continuing or starting smoking. The study also linked snuff use to increased cancer risk and other health problems.

SourceUniversity of Florida·JournalAmerican Journal of Preventive Medicine·DateOct 24, 2002
Meta Quest 3 512GB

Meta Quest 3 512GB enables immersive mission planning, terrain rehearsal, and interactive STEM demos with high-resolution mixed-reality experiences.

Procedure to help Parkinson’s disease could shed light on psychiatric disorder

Researchers have found that high-frequency stimulation of the brain can alleviate obsessive-compulsive disorder (OCD) symptoms in patients with Parkinson's disease. Two patients who underwent electrode implantation showed significant improvement in compulsive behaviors, suggesting a potential therapeutic approach for severe OCD.

SourceThe Lancet_DELETED·JournalThe Lancet·DateOct 24, 2002

Endovascular coil superior to neurosurgery for treatment of brain haemorrhage

A recent study published in The Lancet found that endovascular coil therapy is significantly more effective than neurosurgical clipping in treating subarachnoid hemorrhage. For patients with suitable conditions, the treatment resulted in a relative reduction of 25% in risk of dependency or death after one year, as well as an absolute r...

SourceThe Lancet_DELETED·JournalThe Lancet·DateOct 24, 2002

Rutgers wins funds to create online index of moving brain images

The Rutgers project aims to develop software that allows medical researchers and physicians to share and analyze brain imaging data online, improving the understanding of brain disorders. The new search tools will focus on dynamic brain activity, filtering away secondary signals to reveal underlying pathways.

SourceRutgers University·DateOct 24, 2002

NSF establishes center for biophotonics at UC Davis

The Center for Biophotonics Science and Technology will bring together researchers to develop new technology that enables scientists and physicians to see living cells in real-time. Applications of biophotonics include selectively treating tumors, sequencing DNA, and identifying single biomolecules within cells.

SourceUniversity of California - Davis·DateOct 24, 2002
Apple iPad Pro 11-inch (M4)

Apple iPad Pro 11-inch (M4) runs demanding GIS, imaging, and annotation workflows on the go for surveys, briefings, and lab notebooks.

‘Twin sister’ mechanism prevents formation of genetic mutations

Researchers at Weizmann Institute of Science observe 'sister chromosome' repair mechanism, which is responsible for 85% of last-resort repairs. This system enables cells to repair genetic damage without creating mutations, increasing genetic diversity and driving evolution.

SourceAmerican Committee for the Weizmann Institute of Science·JournalMolecular Cell·DateOct 24, 2002

Scientists identify motor that powers parasitic cell invasion

Researchers at Imperial College London discovered that Toxoplasma gondii's myosin A gene is essential for its gliding motion and host cell invasion. The motor enables the parasite to penetrate cells within 10-30 seconds, allowing it to replicate safely.

SourceImperial College London·JournalScience·DateOct 24, 2002
Davis Instruments Vantage Pro2 Weather Station

Davis Instruments Vantage Pro2 Weather Station offers research-grade local weather data for networked stations, campuses, and community observatories.

Methane bacteria possess pressure valve

A team of researchers has discovered that methane-producing microorganisms use a 'pressure valve' mechanism to regulate energy consumption. By allowing hydrogen ions to leak through the cell membrane at high concentrations, the bacteria minimize energy loss and maintain optimal conditions for growth.

SourceNetherlands Organization for Scientific Research·DateOct 24, 2002

Questionnaire identifies depressions in children

A self-reporting questionnaire for children aged six to eight years has been developed and validated as a tool for identifying depressive children. The study found that the new questionnaire was just as effective as the American standardized tests in measuring depression, with promising results compared to those tests.

SourceNetherlands Organization for Scientific Research·DateOct 24, 2002

New study promises safer hormone replacement therapy

A new study found that synthetic hormone estren can build bone in animals without affecting reproductive organs. The researchers tested estren, estrogen, and testosterone in mice with and without sex organs, showing estren's potential to provide a safe form of hormone replacement therapy.

SourceVeterans Affairs Research Communications·JournalScience·DateOct 24, 2002

Study predicts Amazon deforestation could affect climate in US

A new study by Duke University researchers suggests that deforestation in the Amazon can lead to a significant reduction of rainfall in the Midwest and Dakotas during summer months. The simulation used mathematical equations to model climate behavior, finding a 10-15% decrease in precipitation in these regions.

SourceDuke University·DateOct 24, 2002
SAMSUNG T9 Portable SSD 2TB

SAMSUNG T9 Portable SSD 2TB transfers large imagery and model outputs quickly between field laptops, lab workstations, and secure archives.

Working in Britain survey - older workers, women

The survey found that older workers and women are less happy at work, with a significant decline in job satisfaction over the past decade. Women, in particular, face long working hours and limited career progression opportunities, while older workers struggle with pension security and retirement conditions.

SourceEconomic & Social Research Council·DateOct 24, 2002

New drug stops stroke damage to brain

Researchers have discovered a new drug that can prevent brain damage caused by strokes in the majority of patients. The drug, developed by University of Toronto researchers, works by blocking negative NMDA receptor stimulation, making it a potential practical stroke therapy.

SourceUniversity of Toronto·JournalScience·DateOct 24, 2002

Aggressive exercise program helps inner city, low-income disabled

A 12-week aggressive exercise program showed high adherence rates among low-income, inner-city participants with disabilities. Participants experienced improved cardiovascular fitness, muscle strength, and flexibility despite chronic health conditions.

SourceCenter for Advancing Health·JournalAmerican Journal of Preventive Medicine·DateOct 24, 2002

PhD student filters water vapour information from satellite data

A PhD student developed a method to filter water vapor information from satellite data, enabling accurate predictions of the greenhouse effect. The research is important for understanding the complex influence of water vapor in the atmosphere and its impact on global temperatures.

SourceNetherlands Organization for Scientific Research·DateOct 24, 2002
Celestron NexStar 8SE Computerized Telescope

Celestron NexStar 8SE Computerized Telescope combines portable Schmidt-Cassegrain optics with GoTo pointing for outreach nights and field campaigns.

New drug may reverse bone loss without estrogen’s side effects, Science study says

A new study published in the journal Science suggests that estren, a synthetic compound, can build bone and improve bone density and strength without affecting reproductive organs. The findings may indicate a potential alternative to standard hormone replacement therapy for treating osteoporosis in both men and women.

SourceAmerican Association for the Advancement of Science (AAAS)·JournalScience·DateOct 24, 2002

Asian dust storm causes plankton to bloom in the North Pacific

A recent Asian dust storm triggered a massive bloom of phytoplankton in the North Pacific, suggesting that wind-blown iron from terrestrial dust can stimulate plankton growth. This observation challenges the long-held 'iron hypothesis,' which proposed that adding iron to ocean waters could offset global warming.

SourceDOE/Lawrence Berkeley National Laboratory·JournalScience·DateOct 24, 2002

Endovascular coils beat neurosurgery for treating brain haemorrhage

The International Subacrachnoid Aneurysm Trial (ISAT) found that inserting platinum coils via an artery reduced dependency or death by nearly a quarter and absolute risk by seven percent compared to surgery. The study involved over 2,000 patients in 43 centers across Europe, North America, and Australia.

SourceRadcliffe Infirmary·JournalThe Lancet·DateOct 24, 2002
Fluke 87V Industrial Digital Multimeter

Fluke 87V Industrial Digital Multimeter is a trusted meter for precise measurements during instrument integration, repairs, and field diagnostics.

Aluminum shows strange behavior; research solves old mystery

Research at Ohio State University solves a decades-old mystery about aluminum's behavior, revealing it may exhibit directional bonding and superior strength to copper under large shear strains. The findings have significant implications for nanotechnology and the development of tiny devices.

SourceOhio State University·JournalScience·DateOct 24, 2002

Experimental 'gene switch' increases lifespan with no ill effects

Researchers at UCSF used a new technique to decouple hormone pathways controlling reproduction and longevity in worms, finding that daf-2 activity can be turned on or off independently. This allows for the potential extension of lifespan without suppressing reproduction, offering a promising avenue for human aging research.

SourceUniversity of California - San Francisco·JournalScience·DateOct 24, 2002

Livestock in salt marshes help farmers and geese

Research found that geese prefer short-grass areas where protein ingestion is highest, helping to keep the grass short and maintaining its nutritional value. Grazing livestock, such as cows and horses, also prevent salt marsh vegetation from becoming too coarse, protecting the geese's food source.

SourceNetherlands Organization for Scientific Research·DateOct 24, 2002
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.

Combination of HIV/malaria increases complications during pregnancy

Research in Kenya found that pregnant women with both HIV and malaria are at higher risk of developing anaemia, while their children also face a greater risk. However, the transmission of HIV from mother to child is less frequent when the mother has a mild malaria infection.

SourceNetherlands Organization for Scientific Research·DateOct 24, 2002
AmScope B120C-5M Compound Microscope

AmScope B120C-5M Compound Microscope supports teaching labs and QA checks with LED illumination, mechanical stage, and included 5MP camera.