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Science News Archive 2002


Page 6 of 93

Higher cost sharing reduces plans' drug expenditures, but boosts enrollee costs

A study of Medicare prescription benefit plans found that higher copayments reduce the use of brand-name drugs and lower overall plan costs, but also increase enrollee out-of-pocket expenses. The research suggests that combining cost-sharing strategies with other cost-containment mechanisms can help balance these competing effects.

The mouse genome and the measure of man

The completed mouse genome provides a powerful research tool to extract meaning from the human genome sequence. It allows scientists to recognize functionally important regions in the human genome by virtue of their conservation through evolution.

NIAMS funds multiple grants in heritable disorders of connective tissue

The National Institutes of Health's NIAMS has funded eight research projects to better understand and treat heritable disorders of connective tissue. These conditions, such as osteogenesis imperfecta and Ehlers-Danlos syndrome, affect millions of Americans and have few effective treatments.

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.

Smoking reduction strategies show success

Studies suggest that smokers can reduce their smoking by using various strategies, including nicotine replacement devices and behavioral interventions. Researchers found that those who used multiple strategies smoked fewer cigarettes per day compared to those who relied on a single method.

Cool sounds

Researchers at Penn State have developed a small 'thermoacoustic refrigerator' that uses sound energy to generate cooling, potentially replacing chemical refrigerants. The device operates near resonance frequencies and achieves efficiencies as high as 89% without lubricants or sliding seals.

Toyota delivers first fuel-cell car in US to UC Davis

UC Davis Institute of Transportation Studies will conduct the first public evaluation of American consumer reactions to fuel cells, studying awareness, knowledge, and attitudes towards hydrogen fuel-cell vehicles. The program aims to identify early markets, educate communities, and design consumer-friendly refueling stations.

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.

Chilling with sound

Researchers at Penn State have developed a compact freezer case using sound waves to substitute chemical refrigerants, reducing greenhouse gas emissions. The Navy has funded the project and is exploring its potential for distributed cooling systems on carriers.

UV radiation may not be a factor in amphibian declines

A recent study suggests that dissolved organic matter in water absorbs UV-B, protecting 85% of amphibian habitats. The timing of breeding also plays a crucial role, with early breeding reducing UV-B exposure in certain regions.

It may take a mouse to understand the behavior of 'jumping genes'

Researchers developed a mouse model to study L1 retrotransposition, a process that can cause mutations in genes. The study found that the mouse model mimics human L1 behavior and could aid in understanding how genes function and potentially lead to genetic therapies.

Meta Quest 3 512GB

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

OHSU researchers make key immune system discovery

OHSU researchers identified a critical role of major histocompatibility complex (MHC) molecules in training T-cells to combat infections. The discovery may lead to the development of more effective vaccines and immune system boosting strategies for susceptible populations, such as the elderly.

Study finds seasonal differences affect Brahman bull sexual maturity

A study by Dr. Ron Randel found that fall-born Brahman bulls take longer to reach sexual maturity than spring-born bulls, delaying breeding by up to 39 days. This delay has little impact on long-term reproductive efficiency, but affects commercial cattle producers who buy young bulls for early use.

Apple iPhone 17 Pro

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

Other highlights of the December 4 JNCI

Researchers developed new compounds to optimize apoptosis-inducing ability of celecoxib, a COX-2 inhibitor. They found that the structural features required for apoptosis induction differ from those required for COX-2 inhibition.

CWRU researcher reveals differences in high-altitude living

A CWRU anthropologist has discovered a distinct pattern of human adaptation to high-altitude hypoxia among the Ambaras people in Ethiopia, who have normal sea-level hemoglobin and oxygen saturations. This finding suggests that there are three patterns of adaptation to high-altitude living among indigenous populations.

Portion size matters: Given too much, we eat it

A study published in the American Journal of Clinical Nutrition found that larger portion sizes result in consuming 30% more calories, regardless of individual eating habits. This suggests that portion control is crucial for weight management and suggests alternatives like low-calorie vegetables and broth-based soups.

Diabetic gene linked to heart disease

A new genetic test can identify patients with diabetes at high risk for heart disease, potentially saving lives through early intervention. Researchers analyzed the haptoglobin gene in a population-based study and found that individuals with one form of the gene were five times more likely to develop heart disease.

Nikon Monarch 5 8x42 Binoculars

Nikon Monarch 5 8x42 Binoculars deliver bright, sharp views for wildlife surveys, eclipse chases, and quick star-field scans at dark sites.

JCI Table of Contents, December 2, 2002

Researchers have discovered that angiopoietin-1 can restore faulty blood vessel architecture in mice by promoting sprouting, survival, and stability of new vessels. This study highlights the importance of pericytes in maintaining normal vessel stability and may lead to new treatments for diseases like diabetic retinopathy.

Additive-free cigarettes may pack a more toxic tobacco punch

A recent study found that alternative cigarettes like bidis and additive-free tobacco can deliver high levels of nicotine and other toxins, similar to conventional cigarettes. The study's results suggest that these products may pose a significant health risk to adolescents and young adults.

Restoration of faulty blood vessel architecture by angiopoietin-1

Researchers developed a system to study blood vessel development without mural cells, revealing that angiopoietin-1 partially restores large vessel structure. The study suggests Ang1 is crucial for normal vessel stability and highlights the importance of pericytes in maintaining vascular networks.

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.

UB engineer develops novel method for assembly of nanoparticles

Researchers develop a novel method to assemble nanoparticles using non-uniform AC electric fields, allowing for the creation of ordered structures with desired properties. This process can be used to manufacture nanoscale tools and devices, including sensors and photonic devices.

Promising biomarker for melanoma is identified

A study published in the Journal of the National Cancer Institute found that higher levels of the molecule HDM2 are associated with a better prognosis in patients with melanoma. Patients with high levels of HDM2 lived significantly longer after treatment than those with low levels, even ten years after diagnosis.

Creality K1 Max 3D Printer

Creality K1 Max 3D Printer rapidly prototypes brackets, adapters, and fixtures for instruments and classroom demonstrations at large build volume.

Ulcer-causing pathogen uses hydrogen for energy

The research found that Helicobacter pylori can use hydrogen as an energy source, increasing its colonization in mice. The study showed that mice stomachs contained sufficient hydrogen to support the growth of H. pylori.

Smart, but do they work together?

Researchers have developed a reusable multi-agent infrastructure called RETSINA, which enables teams of intelligent agents to work together autonomously. This allows for more efficient collaboration among humans and agents in joint mission planning and execution.

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.

Annals of Internal Medicine, tip sheet, December 3, 2002

Recent studies have found that hospitalists provide better patient outcomes in terms of reduced costs, shorter hospital stays, and lower short-term mortality rates compared to non-hospitalist physicians. The benefits of hospitalist care became evident only after the second year of both studies, highlighting the importance of experience...

Even green pond scum can suffer from jet lag

Researchers have successfully determined the structure of a biological clock protein called KaiC in blue-green algae, shedding light on internal clock mechanisms. The protein's ring-like hexagonal structure suggests it interacts directly with DNA, potentially regulating gene expression and controlling the wake-sleep cycle.

Geophysicist develops method for finding underground contaminants

A geophysicist has developed a cost-effective method for finding underground contaminants by measuring voltage between metal spikes inserted into the ground. The technique shows promise in detecting organic compounds like cancer-causing substances that don't conduct electricity, potentially streamlining remediation processes.

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.

Mapping with math

Arjun Heimsath and Hany Farid developed a new method to create 3D models of remote regions using 2D photographs, making it easier for researchers to predict landslides and erosion rates. The technique has limitations, such as requiring clear images of the ground surface and a good point of view.

Search for sympathy uncovers patterns of brain activity

Researchers used PET scans to explore brain activity while watching actors tell stories with sad and neutral tones. The study found that brain regions associated with emotional processing were activated when the story content and actor's expression matched, but suppressed when they didn't.

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.

Better warheads through plastics

The Office of Naval Research developed a new warhead that combines kinetic energy with chemical reactions to destroy targets. The warhead uses advanced composite materials and has shown improved structural damage and lethal radius in testing.

Listening to music while working out helps people with severe lung disease

Research at Ohio State University found that listening to music while exercising increased walking distance by an average of 445 feet among patients with severe lung disease. The study suggests that music can help distract from physical symptoms and improve overall fitness levels, leading to better independence in daily activities.

Fluke 87V Industrial Digital Multimeter

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

Felling antenna forests

The Office of Naval Research (ONR) is developing an Advanced Multi-Function Radio-Frequency Concept (AMRF-C) antenna aperture that can integrate radar and communications functions, reducing the need for separate antennas and increasing stealth.

Hospital-care specialists improve outcomes, reduce costs

A two-year study found that hospitalists reduced average patient stays by half a day, resulting in $782 per-patient cost savings. Hospitalists also achieved lower short-term mortality rates, specifically a 37% reduction in 30-day mortality.

Fractals add new dimension to study of tiny electronics

Scientists created a new material that exhibits fractal behavior in its magnetic field, leading to the discovery of 'fractal cluster glass'. This phenomenon could revolutionize the design of electronic devices in the future, as smaller devices may no longer behave like traditional three-dimensional objects.

GQ GMC-500Plus Geiger Counter

GQ GMC-500Plus Geiger Counter logs beta, gamma, and X-ray levels for environmental monitoring, training labs, and safety demonstrations.

Infants go to school early on grammar

A Purdue University psychology professor's research reveals infants can comprehend words and grammar from a young age, defying the common notion of gradual learning. By analyzing infant responses to language experiments, Hollich's study shows that babies as young as 5 months old demonstrate surprising linguistic savvy.

Satellite images predict hantaviral transmission risk

Researchers used satellite data to identify environments associated with human risk of hantavirus infection, finding that woody plants dominated high-risk sites. The study provides a way to monitor the environment for infectious disease risks and better understand why outbreaks happen where they do.

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.