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Science News for January 24, 2003


Microparticles cause pre-eclampsia

Research by Dr. Marja J. van Wijk reveals that microparticles can damage blood vessels and disrupt their function, contributing to pre-eclampsia. Oestrogen administration may improve vessel functioning in affected women.

SourceNetherlands Organization for Scientific Research·DateJan 24, 2003

Memory tests predict dementia

Elderly persons who developed dementia showed similar performance in word pair memory tests without semantic link as those without dementia. However, implicit recall tests improved prediction of dementia risk. Researchers recommend using memory tests that also consider semantic and implicit memory.

SourceNetherlands Organization for Scientific Research·DateJan 24, 2003
CalDigit TS4 Thunderbolt 4 Dock

CalDigit TS4 Thunderbolt 4 Dock simplifies serious desks with 18 ports for high-speed storage, monitors, and instruments across Mac and PC setups.

Companies must find ways to retain middle-aged managers

A study explores the attitudes and experiences of middle-aged male managers and professionals in their late 40s and 50s, revealing a mixed picture with both benefits and risks. The research highlights the need for alternative solutions to traditional early retirement options, including part-time working and job-shares.

SourceEconomic & Social Research Council·DateJan 24, 2003

Stress at work increases the chance of acute common infections

A study by Dr. Danielle Mohren found that employees in demanding jobs suffer from colds 20% more often than those in less demanding positions. Fatigue and burnout also increase the risk of infections, particularly gastroenteritis. The research highlights a clear link between working conditions and health.

SourceNetherlands Organization for Scientific Research·DateJan 24, 2003

Mixed-nationality ships work 'surprisingly well' study

A study of multinational crews found they work effectively when conditions are right, with good relationships between ethnic groups. However, communication is the main challenge, leading to loneliness and isolation if crew members don't speak the ship language fluently.

SourceCardiff University·DateJan 24, 2003

Deadly coral toxin exposes ion pump's deepest secret

Researchers used palytoxin to pry open the sodium/potassium pump's nature, revealing it as a more elaborate version of an ion channel. The study may pave the way for better treatments for hypertension and heart failure.

SourceRockefeller University·JournalProceedings of the National Academy of Sciences·DateJan 24, 2003
Apple iPhone 17 Pro

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

Vision researchers find that photon receptors pair up in neat rows

Vision researchers found that rhodopsin molecules pair up in neat double rows on the outer-segment disc membranes of rods. This arrangement allows for efficient absorption of dim light and amplification of faint signals, enabling the brain to detect individual photons.

SourceUniversity of Washington·JournalNature·DateJan 24, 2003

ARC, Varian, Inc. team up to improve water use in pulp and paper mills

The partnership enables mill operators to better manage contaminants that foul machinery, reducing water usage by 50% and estimated annual cost savings of $250,000. The technology uses UV-Vis spectrophotometer hardware and software analysis tools to measure particle stability in papermaking process streams.

SourceAlberta Research Council Inc.·DateJan 24, 2003

A new tool to help keep US roads ice- and snow-free

A new web-based system is being tested to improve winter road treatment. The Maintenance Decision Support System (MDSS) uses computer models to project hour-by-hour weather and road conditions up to two days in advance. This allows users to make informed decisions about road treatments, potentially saving lives and reducing costs.

SourceNational Center for Atmospheric Research/University Corporation for Atmospheric Research·DateJan 24, 2003
Apple MacBook Pro 14-inch (M4 Pro)

Apple MacBook Pro 14-inch (M4 Pro) powers local ML workloads, large datasets, and multi-display analysis for field and lab teams.

'Welfare-to-work' and 'work-life balance' must be joined up

Researchers found that people with big problems need space to sort out their lives, but the British approach to welfare-to-work is a compromise between 'work-first' and 'human capital' objectives. The study highlights the need for a wider concept of work-life balance to enable individuals with multiple problems to get permanent paid jobs.

SourceEconomic & Social Research Council·DateJan 24, 2003

Protein deficit impedes recovery after percutaneous angioplasty

A study by Mirjam Smeets reveals that haptoglobin inhibits collagen breakdown and improves cell migration in damaged blood vessels. This discovery may lead to the development of drugs to prevent rehospitalization for patients after percutaneous angioplasty.

SourceNetherlands Organization for Scientific Research·DateJan 24, 2003