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Science News Archive December 2004 - Page 8


Page 8 of 12

Electric energy security, savings goals of power electronics research

The Center for Power Electronics, a leading research center in power electronics technology, has received a $12.5 million funding renewal from the NSF. This investment aims to develop more efficient and integrated power electronics devices, resulting in significant energy savings and increased U.S. competitiveness.

SourceVirginia Tech·DateDec 9, 2004
Apple iPhone 17 Pro

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

Is fitness your New Year's resolution? You need professional help

A recent study at McMaster University reveals that fitness experts can significantly increase self-confidence in beginner exercisers. By setting and achieving specific goals, individuals experience increased motivation and confidence in their abilities.

SourceMcMaster University·JournalJournal of Sport and Exercise Psychology·DateDec 9, 2004

Screening for genital herpes should be targeted

A blood test for HSV-2 can detect antibodies in people at high risk for STDs, HIV-positive individuals, and those whose partners have the virus. Pregnant women with uninfected partners do not require screening, as most women develop antibodies after three months of infection.

SourceInfectious Diseases Society of America·JournalClinical Infectious Diseases·DateDec 9, 2004

New antibiotic target could mean the end of pneumonia

Scientists have identified a promising new antibiotic target in diphosphomevalonate (DPM), which can inhibit the virulence of Streptococcus pneumoniae and prevent its survival. This breakthrough could lead to the development of novel antibiotics to cure pneumonia and other streptococcal diseases.

SourceAmerican Chemical Society·JournalBiochemistry·DateDec 9, 2004

Children's Hospital Boston launches major genetic study of autism

Researchers will enroll 100-150 children with autism, along with their parents and unaffected siblings, to conduct detailed behavioral evaluations and DNA analysis. The study aims to identify genetic differences and patterns that mark different autistic spectrum disorders, providing clues to their biological causes.

SourceBoston Children's Hospital·DateDec 9, 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.

Carbon sink or carbon source? Aerosols play role in shifts

Research reveals that changes in aerosol levels affect the type of landscape, with forests and croplands becoming carbon sinks due to increased shade, while grasslands become sources. The study suggests that aerosols alter the ground surface temperature, affecting photosynthesis rates.

SourceNorth Carolina State University·JournalGeophysical Research Letters·DateDec 8, 2004

Price promotions, who wins, who loses, and why?

Price promotions benefit consumers overall, but not manufacturers or retailers in the long run. Introducing store brands is beneficial to premium brand manufacturers and offers increased profit margins for retailers.

SourceUniversity of California - Riverside·JournalManagement Science·DateDec 8, 2004

Scientists uncover clues to the mystery of 'gene deserts'

Gene deserts, once thought to be 'junk DNA,' play a crucial role in regulating gene activity. Researchers discovered stable desert regions with non-coding regulatory elements and variable regions with limited functionality.

SourceDOE/Lawrence Livermore National Laboratory·JournalGenome Research·DateDec 8, 2004

Cell marker identifies patients who are more likely to respond to taxol

Researchers found that breast cancer patients who lose tau protein expression are twice as likely to have a good response to Taxol treatment. The discovery suggests that tumor tissue could be screened to predict which patients will respond to the chemotherapy, leading to improved treatment outcomes.

SourceUniversity of Texas M. D. Anderson Cancer Center·DateDec 8, 2004

INEEL and NASA launch UAVS to evaluate Earthbound missions

NASA is collaborating with Idaho National Laboratory (INEEL) to evaluate the use of unmanned aerial vehicles (UAVs) for routine fire surveillance and management. The project aims to improve speed, safety, and cost efficiency in firefighting efforts.

SourceDOE/Idaho National Laboratory·DateDec 8, 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.

Stanford biologist working to restore native forests to Hawaii

A Stanford University team is working to restore native forests in Hawaii by offering landowners financial incentives. They are focusing on the restoration of koa trees, which provide numerous ecosystem services including recharging freshwater aquifers and storing carbon.

SourceStanford University·DateDec 8, 2004

Stressed mice quicker to get skin cancer

Researchers at Johns Hopkins Medicine found that stressed mice develop skin cancer faster than non-stressed mice. Stress-reducing programs like yoga and meditation may help individuals at high risk for skin cancer stay healthy longer.

SourceJohns Hopkins Medicine·JournalJournal of the American Academy of Dermatology·DateDec 8, 2004

Wolves gone, western ecosystems suffer

The loss of gray wolves in western North America has triggered ecological effects on elk populations, beaver, birds, fish, and even tree species, leading to collapsing health of aspen and other vegetation.

SourceOregon State University·JournalForest Ecology and Management·DateDec 8, 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.

Child health must become UNICEF's priority over next decade

Child survival must be UNICEF's priority to address the global plight of children and prevent unnecessary deaths. The agency needs a visionary leader with the skills and experiences to tackle institutional weaknesses and promote child health.

SourceThe Lancet_DELETED·JournalThe Lancet·DateDec 8, 2004

Yale and Pfizer launch visiting professorship pilot program

Yale researcher Nita Maihle has been awarded a visiting professorship at Pfizer, where she will collaborate on cancer research for 12 weeks. The program aims to improve the drug discovery process and facilitate associations among Yale investigators and Pfizer staff.

SourceYale University·DateDec 8, 2004
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.

Chicken genome analysis will benefit human health and agriculture

The chicken genome sequencing project has identified similarities between chickens and humans, including shared genes that enhance natural disease resistance in birds. This research also sheds light on genetic traits influencing desirable chicken characteristics, such as egg production and fat content.

SourceMichigan State University·JournalNature·DateDec 8, 2004

Book celebrates centenary of city's advances in public health

The Usher Institute has played a significant role in advancing public health in Edinburgh, with a particular emphasis on the study of human genetics and its impact on health outcomes. The institute's research programs have contributed to the University of Edinburgh's reputation as an international research centre.

SourceUniversity of Edinburgh·DateDec 8, 2004

Identifying top quality CD and DVD media for archiving

Researchers tested recordable optical disks' durability in various conditions, finding that some can store data for decades. The Government Information Preservation Working Group is setting requirements for archival quality media, allowing organizations to identify suitable high-quality media for long-term data storage.

SourceNational Institute of Standards and Technology (NIST)·DateDec 8, 2004
Meta Quest 3 512GB

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

Draft sequence of chicken genome completed

The completed chicken genome provides invaluable information for studying the human genome due to its ideal evolutionary distance. Strong conservation in previously thought 'junk' DNA regions has been found, shedding light on their importance.

SourceEuropean Molecular Biology Laboratory·JournalNature·DateDec 8, 2004

First analysis of chicken genome offers many new insights

The analysis of the chicken genome provides new insights into its value as a model for study of developmental disorders and diseases. The genome has about the same number of genes as the human genome, but contains significantly less DNA. Key similarities with humans include genetic sequences related to early development and telomeres.

SourceWashU Medicine·JournalNature·DateDec 8, 2004

Encouraging results from validation study of trial of personalized treatment in breast cancer

A validation study has shown that a 70-gene signature is more effective than current standard criteria in predicting the time to distant metastasis and overall survival in breast cancer patients. The results have the potential to reduce chemotherapy prescriptions by up to 20% and improve quality of life for many women with breast cancer.

SourceEuropean Society of Human Reproduction and Embryology·DateDec 8, 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.

Research gets to heart of advertising gender bias

A study examining 919 cardiovascular drug ads found that 80% depicted male patients, with women underrepresented and often portrayed as younger than men. The research highlights the potential impact of gender bias in advertising on physicians' treatment decisions for heart problems.

SourceUniversity of Toronto·JournalJournal of Evaluation in Clinical Practice·DateDec 8, 2004

Elderly with advanced chronic diseases burdened with symptoms

A study of 226 elderly adults with advanced cancer, congestive heart failure, or COPD found that virtually all participants experienced moderate to severe symptoms, including limited activity, fatigue, and physical discomfort. The study highlights the importance of addressing these symptoms in this vulnerable population.

SourceYale University·JournalArchives of Internal Medicine·DateDec 8, 2004

New approach studying protein structure could advance drug development

Researchers at Argonne National Lab have developed a new technique using WAXS to study ligand-induced structural changes in proteins, comparable to X-ray crystallography results but faster and cheaper. This method has the potential to identify lead drugs and analyze protein-ligand interactions more efficiently.

SourceDOE/Argonne National Laboratory·JournalChemistry & Biology·DateDec 8, 2004

Slip of the tongue

A recent study by Zenzi Griffin found that people who make word substitution mistakes, such as calling a hammer an axe, look at the object just as long before speaking as they do when speaking correctly. The study suggests that speech errors are more indicative of planning issues than attention problems.

SourceAssociation for Psychological Science·JournalPsychological Science·DateDec 8, 2004
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.

Canola study solves seed oil mystery

A new study from Michigan State University has found that canola seeds use an unconventional biochemical reaction to produce energy-rich oil, increasing efficiency by 20% and reducing carbon dioxide loss by 40%. The discovery sheds light on the role of the enzyme Rubisco in plant metabolism.

SourceMichigan State University·JournalNature·DateDec 8, 2004

New breast cancer study shows hormonal therapy not enough

A new study by Loyola Medicine found that tamoxifen or other hormonal therapy alone may not be sufficient to treat hormone-dependent breast cancer. Chemotherapy proved more effective in stopping cancer recurrence, especially when combined with tamoxifen.

SourceLoyola Medicine·DateDec 8, 2004

Chicken genomic sequence yields insight into vertebrate evolution

The newly published chicken genomic sequence provides significant information on vertebrate evolution, revealing a clade of at least 9,600 avian species. The analysis also sheds light on the unusual genomic organization of chickens, including large variability in chromosome size and germline mutations.

SourceCold Spring Harbor Laboratory·JournalGenome Research·DateDec 8, 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.

Ocean tides once spread massive icebergs: Study

A new study suggests that ocean tides contributed to the enigmatic Heinrich events by breaking gigantic icebergs from the ice sheet covering northern Canada. The research used a state-of-the-art computer model to capture ancient tidal variances with high accuracy, revealing that tides were highest in the Labrador Sea during these events.

SourceUniversity of Toronto·JournalNature·DateDec 8, 2004

Columbia team shows how stratospheric conditions affect weather

Researchers used a simple climate model to demonstrate that changes in the strength of winds in the stratosphere can cause changes in tropospheric weather systems. This understanding is crucial for improving seasonal weather forecasts and predicting the effects of ozone depletion and global warming on our climate.

SourceColumbia Climate School·JournalGeophysical Research Letters·DateDec 8, 2004
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.

Foreign investment in Canada declines after NAFTA: Study

A study published by University of Toronto researchers found that Canada receives only 10% of US foreign investment, compared to over half received by Europe. To improve Canada's productivity performance and attract more investment, experts say it is a difficult challenge for policymakers and academics.

SourceUniversity of Toronto·JournalJournal of Business Research·DateDec 8, 2004

Scientists align billion-year-old protein with embryonic heart defects

Researchers found that a critical protein called Serum Response Factor (SRF) is essential for the development of heart cells, and its absence can lead to improper heart function. The study provides new insights into how genetic mutations may disrupt heart function and potentially cause adult cardiovascular disease.

SourceUniversity of Rochester Medical Center·JournalProceedings of the National Academy of Sciences·DateDec 8, 2004

Study identifies key aspect of immune response against HIV

Researchers found that particular versions of HLA-B molecules make a significant difference in how well the immune system responds against HIV. The study's results illuminate evolutionary interaction between virus and human immune system, providing new insights for developing an effective vaccine.

SourceMassachusetts General Hospital·JournalNature·DateDec 8, 2004

New study in NEJM suggests levodopa may slow progression of Parkinson's disease

A recent study published in NEJM found that levodopa did not accelerate Parkinson's disease progression but may actually slow it. The multi-center trial involved 361 newly diagnosed patients and showed a clear-cut benefit of levodopa, with higher dosages producing more beneficial results.

SourceColumbia University Irving Medical Center·JournalNew England Journal of Medicine·DateDec 8, 2004
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.

Researchers compare chicken, human genomes

The chicken genome contains approximately 20,000-23,000 genes, less than the human genome's 20,000-25,000 genes. Researchers found that about 60% of chicken genes correspond to similar human genes.

SourceNIH/National Human Genome Research Institute·JournalNature·DateDec 8, 2004

Singing in the brain

Researchers taught baby sparrows to sing a complete song using overlapping segments, revealing that memories are stored as distinct phrases. This study provides insights into the physiological basis of language learning in birds and may inform understanding of speech development in humans.

SourceUniversity of Utah·JournalNature·DateDec 8, 2004

Chicken genome analysis unlocks secrets of mammalian and bird evolution

The chicken genome sequence has revealed significant insights into the evolutionary history of mammals and birds. The study found that about 60% of protein-coding genes in chickens have counterparts in humans, highlighting the shared genetic mechanisms underlying various biological processes.

SourceUniversity of California - Davis·JournalNature·DateDec 8, 2004
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.

NIH panel issues State-of-the-Science statement on end-of-life care

The NIH panel's statement highlights the need for enhanced communication among patients, families, and providers, as well as recruitment of under-represented populations in end-of-life research. The panel also recommends creating networks of researchers and patient cohorts to facilitate coordinated studies.

SourceNIH/Office of the Director·DateDec 8, 2004

UCSD researchers derive lessons about human evolution from chicken genome

Researchers from UC San Diego analyzed changes in gene orders on chromosomes and compared rearrangements in the chicken genome to those in the human, mouse, and rat genomes. The study found that chickens are closer to humans than previously thought when it comes to genomic architecture.

SourceUniversity of California - San Diego·JournalNature·DateDec 8, 2004

Researchers invent energy-saving computer chip

A new microchip has been invented at the University of Alberta, promising to revolutionize small devices with low power needs. The chip uses analog decoding technology to consume extremely low levels of power, making it ideal for applications like implantable health care devices and ultra-high-speed communications systems.

SourceUniversity of Alberta·DateDec 8, 2004

Brain activity reflects complexity of responses to other-race faces

Researchers found that unconscious subcortical bias can be squelched by the frontal cortex, and that early perceptual processing may result in an automatic emotional response. Consistently, participants with less racial bias displayed less amygdala activity to black faces.

SourceHarvard University·JournalPsychological Science·DateDec 8, 2004
DJI Air 3 (RC-N2)

DJI Air 3 (RC-N2) captures 4K mapping passes and environmental surveys with dual cameras, long flight time, and omnidirectional obstacle sensing.

Chicken genome will help our understanding of humans and improve agriculture

The sequencing of the chicken genome has provided valuable insights into human genetics, with similarities found between the two genomes that can help understand the function of human genes. The availability of the chicken genome will aid in the breeding of healthier chickens and the design of better veterinary vaccines.

SourceBiotechnology and Biological Sciences Research Council·JournalNature·DateDec 8, 2004

Microchip industry strives to perfect its timing

The microchip industry is struggling to achieve precise timing as device dimensions and tolerances continue to shrink. To address this issue, NIST is supporting the development of time synchronization standards in collaboration with International SEMATECH's e-Manufacturing initiatives.

SourceNational Institute of Standards and Technology (NIST)·DateDec 8, 2004