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Science News Archive 2005


Page 78 of 165

After-school programs may foster academic achievement

Research finds that after-school program participation significantly improves reading achievement and motivates students. Highly engaged program staff also boosts motivation, highlighting the importance of engaging content and activities to foster long-term academic improvements in disadvantaged children.

Augmented reality technology may improve communication in poultry plants

Researchers at Georgia Tech have developed two augmented reality systems to improve communication between automated inspection systems and workers who trim birds on processing lines. The systems use location-tracked displays or laser scanners to project graphical instructions, providing advance warning of workload and reducing errors.

Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C)

Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C) keeps Macs, tablets, and meters powered during extended observing runs and remote surveys.

U of MN researchers reverse memory loss in mice

Researchers at U of MN successfully reversed memory loss in mice with dementia, using a transgene to halt disease progression and even increase tangles. This breakthrough study suggests that reversing effects of memory loss may be possible in humans.

Recent developments on the genetics of alcohol use

Research on the genetics of alcohol use has identified polymorphisms in ADH and ALDH enzymes that may explain individual differences in alcohol metabolism, as well as chromosomal regions linked to suicidal behavior, conduct disorder symptoms, and alcohol dependence. Additionally, serotonin receptor variations have been found to play a ...

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.

Small-bowel injury in children more common in abuse than accident cases

A recent study has found that abdominal injuries in children under 14 are twice as likely to be caused by abuse as road-traffic accidents. The researchers analyzed data from over 180 injured children and found that small-bowel injuries are more common in abused children, especially those under five.

NIST finds rough spot in surface measurement

Researchers at NIST found a significant difference between white light interferometric microscopes and phase shifting interferometers in measuring surface roughness, with discrepancies peaking at 100 nanometers. The study evaluated five instruments from three vendors and compared them to stylus profiling instruments.

Queensland to be hub of Australasian kidney network

The Australasian Kidney Trials Network will focus on new and innovative clinical research to provide better treatments and outcomes for patients. The network aims to address the growing health issue of chronic kidney disease affecting one in seven Australian adults.

Aranet4 Home CO2 Monitor

Aranet4 Home CO2 Monitor tracks ventilation quality in labs, classrooms, and conference rooms with long battery life and clear e-ink readouts.

Trypanosome genomes may reveal new drug, vaccine targets

Researchers have identified gene sequences involved in the host-parasite relationship and parasite metabolism, providing potential vaccine candidates. The sequencing of trypanosome genomes has significant challenges due to repetitive sequences but promises to advance tropical medicine by helping develop new drugs against these diseases.

Why IL-2 works in HIV

Researchers found that intermittent IL-2 administration induces high CD4 and CD8 cell proliferation followed by prolonged CD4 cell survival. This effect helps explain the preferential increase of CD4 cells in patients treated with IL-2 therapy.

Parental involvement, social understanding, protect teens from violence

A study found that boys with supportive parents are less likely to engage in violent behavior after witnessing violence, while girls with high levels of social understanding are also at risk. Interventions focusing on improving the parent-adolescent relationship and teaching social understanding may reduce violence in both boys and girls.

Apple AirPods Pro (2nd Generation, USB-C)

Apple AirPods Pro (2nd Generation, USB-C) provide clear calls and strong noise reduction for interviews, conferences, and noisy field environments.

Kentucky Geological Survey involved in global climate change research

The Kentucky Geological Survey is involved in global climate change research, studying opportunities to sequester carbon in the Midwest and Southeast regions. The survey will continue to examine subsurface formations for carbon storage and investigate coal seams along the Virginia-Kentucky border.

Brain size may depend upon how neural cells are cleaved

Researchers found that heterotrimeric G proteins regulate cell division orientation, influencing brain size. Impairing Gβγ signaling leads to overproduction of neurons, potentially contributing to inherited disorders like microcephaly or macrocephaly.

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.

Cigarette smoke reduces transport of hamster eggs

A study by Christine Gieseke and Prue Talbot found that cigarette smoke significantly reduces the transport of hamster eggs through the oviduct. The researchers exposed cumulus-coated eggs to six types of cigarette smoke, resulting in a 40-55% increase in adhesion to the infundibulum and a 20-35% decrease in egg transportation rates.

Poor sleep not a normal part of aging

Researchers recommend a five-step approach to diagnose and manage insomnia in older adults, which may lead to reduced sleep disturbances and improved health outcomes. The steps include detection, elaboration, medical or psychiatric emergency assessment, further evaluation, and intervention with lifestyle or medication changes.

Car carrying vessels' fast turnaround takes its toll on the crew

A recent study by the University of Cardiff's Economic & Social Research Council found that fast turnaround times on car carriers lead to a decline in seafarers' lives, causing fatigue, social isolation, and limited free time. The research highlights the need for better working conditions and labor protections for crew members.

Getting the measure of public services performance: UK takes a lead

A UK-led project measured public services performance and found significant differences in education sector output compared to the US. The research also highlighted a lack of correlation between healthcare expenditure and outcomes across the EU, but found links between system organization and disease outcomes at a micro level.

Apple iPhone 17 Pro

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

Regulating cell shape in mycobacteria

The study reveals that overexpression of Pkn protein leads to a cell shape defect. The findings suggest that this mechanism is widely conserved among gram-positive bacteria, with related signaling molecules present in multiple species.

Heterochromatin assembly in S. pombe

Researchers have discovered a cullin-dependent E3 ligase as a crucial component of the Clr4 methyltransferase complex, controlling histone methylation and heterochromatin assembly. The study suggests that polyubiquitylation of regulatory proteins may play a key role in regulating these processes.

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.

Identifying the 'signatures' of protons in water

Researchers at Yale University have identified unique infrared laser spectrum signatures for free protons associated with one to three water molecules. The study reveals that the proton's vibrations are driven by changes in its hydration environment, leading to significant shifts in spectral signatures.

The synapse is a shotgun

Researchers have developed a biologically accurate computer simulation of synaptic function, indicating that the synapse may behave like a shotgun firing buckshot-like bursts of neurotransmitter to reach receptors arrayed beyond known receiving sites. The new data suggest an alternative mode of neurotransmission called ectopic release.

Discovery of T-cell 'traffic control' boosts new drug promise

Research discovers T-cell 'traffic control' system that prevents autoimmune disease and rejection of transplanted organs, promising new treatment for multiple sclerosis and transplant rejection. The system is controlled by a fat-like compound called S1P, which can be blocked with experimental drugs to prevent excessive T cell activity.

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.

DNA meets heart drugs with resistance

Researchers at Vanderbilt University have identified a DNA polymorphism that interferes with the binding of antiarrhythmic drugs to a specific ion channel in the heart. This structural change allows for variable drug access to its target site, leading to increased drug resistance in some individuals.

Timing of poverty in childhood critical to later outcomes

A study by the NICHD Early Child Care Research Network found that children from families experiencing poverty at any age during early childhood did not perform as well as those who were never poor. The quality of home environments also dropped over time if families became poor after the child was 4.

Three deadly parasite genomes sequenced

The sequencing of three deadly parasite genomes has revealed a core of 6,200 genes in common among the parasites, providing new targets for drug development. This discovery also highlights the potential for designing targeted vaccines and improved diagnostics for each parasite.

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.

To know what your teenager is doing, get to know your teen

A study by researchers at Penn State and Washington state universities found that relying on others outside the family for information is associated with parents being less knowledgeable about their child. In contrast, parents in relational groups were more likely to be informed and had teens engaging in less risky behavior.

JILA study of RNA dynamics may help in drug design

Scientists at JILA developed a method to study RNA dynamics, revealing the 'stickiness' between specific loops and sequences that stabilize folding. This information is crucial for understanding RNA structure and its effects on function.

Predicting the lifetime of extreme ultraviolet optics

Researchers found that increasing water vapor levels caused less damage to mirrors, possibly due to increased ambient hydrocarbon levels. Introducing methanol mitigates water-induced damage, paving the way for accelerated testing and broader illumination capabilities.

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.

New infrared tool measures silicon wafer thickness

A new NIST-developed instrument uses infrared laser light to accurately measure silicon wafer thickness, enabling precise nanoscale dimension measurements. The Improved Infrared Interferometer can produce detailed spatial maps of differences in thickness with high repeatability.

Opposition to a politician creates stronger opinions

A recent study by George Y. Bizer found that individuals who report 'opposition' to a candidate show less attitude change than those who state 'support'. The study suggests that opposition can strengthen one's opinion, making it more difficult to change.

Study: Predatory dinosaurs had bird-like pulmonary system

A new study reveals that predatory dinosaurs, such as T. rex, had a more complex air sac system similar to that in modern birds. The findings suggest that these ancient beasts may have been warm-blooded creatures, with a pulmonary machinery for enhanced gas exchange.

Purdue findings support earlier nuclear fusion experiments

Researchers at Purdue University have confirmed findings by Rusi Taleyarkhan, using a tabletop device to produce nuclear fusion reactions through the use of ultrasound. The experiment produced neutrons in the range of 2.5 MeV and tritium, providing evidence for thermonuclear fusion.

Meta Quest 3 512GB

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

Sleeping beauty plays a significant role in identifying cancer genes

Researchers have developed a new gene identification method using the Sleeping Beauty transposon technology, which inserts itself into or between genes and can activate or inactivate their function. This method allows for more efficient and accurate identification of cancer-causing genes compared to traditional methods.

SCAI news: Drug-eluting stents prove mettle in heart attack patients

A new study published in Catheterization and Cardiovascular Interventions found that drug-eluting stents are a safe treatment for heart attack patients, provoking no increase in complications. The stents prevented arterial renarrowing by 90% and reduced the need for repeat procedures.

Actin moves chromosomes: Discovery changes fundamental thinking

Researchers at European Molecular Biology Laboratory discovered that actin fibres are necessary to help microtubules transport chromosomes during cell division. In a study using starfish oocytes, the team found that actin networks gather chromosomes together before they can be pulled by microtubules.

Kestrel 3000 Pocket Weather Meter

Kestrel 3000 Pocket Weather Meter measures wind, temperature, and humidity in real time for site assessments, aviation checks, and safety briefings.

UIC researchers show protein routes messages in nerve cells

Researchers identified a key protein, coracle (4.1), that links receptors to cytoskeleton in nerve cells, enabling efficient neurotransmission. This discovery could help understand neurological diseases and develop drugs to manipulate problematic proteins.

New treatment extends survival for patients with advanced lung cancer

A trial involving 731 patients found that treatment with erlotinib resulted in longer survival compared to a placebo, with patients on erlotinib surviving an average of 6.7 months versus 4.7 months. Erlotinib was also well-tolerated and improved physical function, quality of life, and symptoms.

Say 'thank you': Learning how to lie

Researchers found that preschool children's reaction to unwanted gifts predicts their ability to control reactive behavior and develop socially appropriate expressive behavior. This skill is crucial for future social success.

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.

Secret sex life of killer fungus

Researchers discover Aspergillus fumigatus has genes required for sexual reproduction, affecting disease control and potential antifungal drug resistance. The fungus's common presence in compost heaps may be a hotbed of fungal sex.

Understanding and diagnosing an inherited pain syndrome

A study published by Yale researchers found that 17 members of a family carried a specific mutation in the sodium channel Nav1.7 gene, which is associated with intense burning pain in the hands and feet triggered by heat and exercise. The discovery suggests the possibility of rational therapies targeting this affected channel.

Apple Watch Series 11 (GPS, 46mm)

Apple Watch Series 11 (GPS, 46mm) tracks health metrics and safety alerts during long observing sessions, fieldwork, and remote expeditions.

New study on OTC progesterone health risks in women published

A recent study published in The Journal of Clinical Pharmacology found that use of over-the-counter (OTC) topical progesterone results in significant drug exposure through skin absorption, comparable to prescribed oral progesterone products. The study revealed similar rates of adverse effects among women taking both types of progesterone.