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Science News for February 26, 2004


Whites, blacks respond similarly to common blood pressure drugs

A study of 9,307 white subjects and 2,902 black subjects found that whites and blacks responded similarly about 90% of the time to common antihypertensive drugs. This challenges traditional racial treatment differences and suggests that physicians should base drug choices on individual patient factors rather than race.

SourceCase Western Reserve University·DateFeb 26, 2004

Depression can lead to back pain

A new study published in the journal Pain found that people with depression are four times more likely to develop intense or disabling neck and low back pain. Researchers hope to uncover why these conditions are commonly linked, exploring coping methods to break a vicious cycle.

SourceUniversity of Alberta·JournalPain·DateFeb 26, 2004
Rigol DP832 Triple-Output Bench Power Supply

Rigol DP832 Triple-Output Bench Power Supply powers sensors, microcontrollers, and test circuits with programmable rails and stable outputs.

Oklahoma students win IEEE-USA national award

St. Philip Neri's team won the IEEE-USA national award with their communications system, which uses antennas and titanium microchips to transmit signals via bone conduction. The system was praised for its creativity and potential to become an asset for everyone in the future.

SourceIEEE-USA·DateFeb 26, 2004

Mix of chemicals plus stress damages brain, liver in animals and likely in humans

Researchers found that short-term stress combined with exposure to low-dose chemicals causes widespread cellular damage in the brain and liver of rats. The combination also promotes cell death, damages specific brain regions, and increases reactive oxygen species, which can lead to further damage.

SourceDuke University Medical Center·JournalJournal of Toxicology and Environmental Health·DateFeb 26, 2004

Earlier diagnosis of schizophrenia improves results of treatment

A new study published in Archives of General Psychiatry found that earlier diagnosis and treatment of schizophrenia significantly improves patient outcomes. Patients treated early tended to be younger, less symptomatic, and more responsive to treatment than those not receiving early detection programs.

SourceYale University·JournalArchives of General Psychiatry·DateFeb 26, 2004
Apple iPhone 17 Pro

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

Tagging faulty genes with fluorescent nanodots

A new imaging technique uses quantum dots to detect faulty genes in DNA, offering improved detection of breast cancer patients who would benefit from specific drug therapy. The method provides signals that are 200-1,100% more intense than conventional tags, reducing uncertainty in the FISH test.

SourceNational Institute of Standards and Technology (NIST)·JournalNucleic Acids Research·DateFeb 26, 2004

Pacific leatherback turtle could go extinct in 10 years

The Pacific leatherback turtle's population has declined by 97% since 1982, with fewer than 3,000 females remaining. A two-pronged approach is needed to save the species, including stronger protections for nesting beaches and safer fishing practices.

SourceConservation International·DateFeb 26, 2004

Carbon found to be older than the Solar System

Researchers have discovered that carbon isotopic compositions in IDPs are different from those on Earth and in other parts of the Solar System, indicating it was formed in molecular clouds before the formation of the Solar System. The findings help understand the Solar System's formation and the origin of organic matter on Earth.

SourceWashington University in St. Louis·JournalScience·DateFeb 26, 2004

AGU journal highlights - 26 February 2004

Researchers analyze Martian flood channels, estimate Mercury's crust depth and simulate earthquake dynamics. New data also reveals details on sprites and interstellar hydrogen shadows.

SourceAmerican Geophysical Union·JournalGeophysical Research Letters·DateFeb 26, 2004
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.

Using water as a lens to shrink chip dimensions

Researchers used immersion lithography to create circuit lines and features at least as small as 45nm using 193nm equipment. This breakthrough allows manufacturers to create more powerful chips while extending the life of their current fabrication equipment.

SourceNational Institute of Standards and Technology (NIST)·DateFeb 26, 2004

Contraception study supports convenience, simplicity

A new study found that the birth control patch had a higher percentage of perfect dosing cycles (88.7%) compared to oral contraceptives (79.2%). This led to better contraceptive efficacy and reduced risk of unplanned pregnancy. The results suggest that the patch may be a more convenient and simple option for women using birth control.

SourceEdelman Public Relations, New York·JournalContraception·DateFeb 26, 2004

Standardizing disaster models to help first responders

NIST develops standardized emergency response software and proposes industry-government collaboration to enhance interoperability. The proposed Electronic Emergency Response Framework will provide decision-makers with easily accessible modeling and simulation tools.

SourceNational Institute of Standards and Technology (NIST)·DateFeb 26, 2004

New map predicts where wolves will attack

A new map developed by the Wildlife Conservation Society predicts wolf attacks in Wisconsin and Minnesota based on road density, farm size, deer availability, and other factors. The maps identify high-risk townships with moderate to high risk of wolf attacks, which are clustered along the edge of the wolf population.

SourceWildlife Conservation Society·JournalConservation Biology·DateFeb 26, 2004
Sky-Watcher EQ6-R Pro Equatorial Mount

Sky-Watcher EQ6-R Pro Equatorial Mount provides precise tracking capacity for deep-sky imaging rigs during long astrophotography sessions.

Smoking cessation study at Penn open to volunteers

The University of Pennsylvania School of Medicine is conducting a smoking cessation study that will provide participants with medication and individual counseling. Volunteers must be at least 18 years old, in good health, and motivated to quit smoking, and are expected to participate for nearly one full year.

SourceUniversity of Pennsylvania School of Medicine·DateFeb 26, 2004

Current smoke alarms pass life-saving tests

New research from NIST confirms that smoke alarms offer enough time to save lives in most cases, even with a three-minute warning. The study found that the placement of smoke alarms and closed bedroom doors can increase survival chances, but also noted the limitations of ionization and photoelectric alarms in detecting false alarms.

SourceNational Institute of Standards and Technology (NIST)·DateFeb 26, 2004
Fluke 87V Industrial Digital Multimeter

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

New genomics tool boosts diabetes research

Scientists have developed a new genomics tool that enables the efficient mapping of genome binding sites for transcription factors in human organs. This technology has been used to study the role of transcription factor HNF4 in type 2 diabetes, revealing its association with about half of all genes needed to make the pancreas and liver.

SourceWhitehead Institute for Biomedical Research·JournalScience·DateFeb 26, 2004

World's first databank for all living systems

The Bridging the Rift Center will house the world's first databank of information about all living systems, gathering genetic sequences, ecological data, and global positioning information to quantify and characterize life. This groundbreaking facility aims to advance our understanding of coevolution, ecology, and DNA relationships.

SourceCornell University·DateFeb 26, 2004
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.

New findings on memory could enhance learning

A study published in the Proceedings of the National Academy of Sciences found that monkeys' brains sort computer clip art pictures into categories for recall, such as people, buildings, flowers, and animals. This process could lead to ways to improve memory in humans by reducing detail and categorizing information.

SourceAtrium Health Wake Forest Baptist·JournalProceedings of the National Academy of Sciences·DateFeb 26, 2004

Quantum dots deliver photons one at a time

A NIST scientist has demonstrated efficient production of single photons at the highest temperatures reported for a photon source. The advance is a step toward practical, ultrasecure quantum communications and useful for certain types of metrology.

SourceNational Institute of Standards and Technology (NIST)·JournalApplied Physics Letters·DateFeb 26, 2004