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Science News for November 26, 2002


How crayfish do the locomotion

Researchers have developed a comprehensive understanding of crayfish locomotion, revealing an intricate eight-module system that integrates signals from each segment and the brain. This complex neural network is likely to be found in other animals, including insects and humans.

SourceUniversity of California - Davis·DateNov 26, 2002

Lesson improves rural students' knowledge of farm safety

A farm safety lesson improved rural students' knowledge of farm safety, with significant gains in correct answers. The program reduced the risk of farm-related injuries and deaths among elementary school children.

SourceUniversity of South Florida (USF Health)·JournalJournal of Agricultural Safety and Health·DateNov 26, 2002
Apple iPhone 17 Pro

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

Optical communications using cell phone technology

Researchers at UC Davis are developing optical CDMA devices that encode information across a spread of wavelengths for fast and secure telecommunications. This technology has the potential to improve network security and provide faster connections.

SourceUniversity of California - Davis·DateNov 26, 2002

Depression more dangerous for elderly men than women

A recent study published in Psychosomatic Medicine found that depression is more deadly for men over 70 than women, despite occurring less frequently. Depression was associated with increased mortality rates in men after accounting for other factors, while chronic and remitted depression had no significant impact on mortality rates.

SourceCenter for Advancing Health·JournalPsychosomatic Medicine·DateNov 26, 2002

Study finds EMS is risky occupation

A recent study examined three independent databases to develop a comprehensive picture of the occupational hazards faced by EMS workers. The findings reveal that EMS personnel are exposed to various risks, including ambulance crashes, assaults, and exposure to infectious diseases.

SourceAmerican College of Emergency Physicians·JournalAnnals of Emergency Medicine·DateNov 26, 2002
GoPro HERO13 Black

GoPro HERO13 Black records stabilized 5.3K video for instrument deployments, field notes, and outreach, even in harsh weather and underwater conditions.

New test speeds diagnosis of chest pain

A new test protocol has been shown to accurately diagnose chest pain in emergency patients, with a 100% sensitivity rating for heart attacks. The protocol's accelerated evaluation tool may reduce hospital admissions and improve patient outcomes by enabling earlier diagnosis and treatment.

SourceAmerican College of Emergency Physicians·JournalAnnals of Emergency Medicine·DateNov 26, 2002

'Knot' to be undone, researchers discover unusual protein structure

Scientists have discovered an unusual protein structure, known as a 'knot', which defies traditional understanding of protein folding. The newly found knot may stabilize amino acid subunits in the protein, shedding light on its mysterious function and potential applications in disease diagnosis and drug development.

SourceNIH/National Institute of General Medical Sciences·DateNov 26, 2002

Holidays are open season for open container laws

A NHTSA analysis shows that states without open-container laws experience more alcohol-involved fatal crashes. Four of every 10 highway fatalities involve alcohol, highlighting the need for better laws. Dr. Phillip Brewer calls on emergency physicians to advocate for stronger laws.

SourceAmerican College of Emergency Physicians·DateNov 26, 2002
Sky & Telescope Pocket Sky Atlas, 2nd Edition

Sky & Telescope Pocket Sky Atlas, 2nd Edition is a durable star atlas for planning sessions, identifying targets, and teaching celestial navigation.

Loss of major hub cities could cripple Internet, study suggests

A study by researchers at Ohio State University suggests that a disaster crippling major Internet nodes, such as Los Angeles and New York, could disconnect smaller cities from the entire network. This vulnerability is a concern due to the hub-and-spoke model of the modern Internet, which relies heavily on these central locations.

SourceOhio State University·JournalTelematics and Informatics·DateNov 26, 2002

Environmental enrichment reverses learning impairments caused by lead poisoning

A study published in Annals of Neurology found that environmental enrichment can reverse cognitive deficits caused by lead poisoning in rats. The researchers observed significant improvements in learning ability and a recovery in brain receptor function among lead-exposed rats raised in enriched environments.

SourceJohns Hopkins Bloomberg School of Public Health·JournalAnnals of Neurology·DateNov 26, 2002

Stress may trigger multiple sclerosis flare-ups in women

Women with relapsing-remitting MS experienced an average of 2.6 MS exacerbations that lasted 29 days, with 85% linked to stressful life events in the prior six weeks. Stressors from various sources and severity levels were equally associated with flare-ups.

SourceCenter for Advancing Health·JournalPsychosomatic Medicine·DateNov 26, 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.

Emergency medicine drug shortages likely to increase

The study found that drug shortages affecting patients in emergency departments have grown significantly since 1995. Emergency physicians can help manage these shortages by communicating with hospitals and patients about available options, but solving the issue will take many years.

SourceAmerican College of Emergency Physicians·JournalAnnals of Emergency Medicine·DateNov 26, 2002