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Science News Archive January 2004


Page 4 of 7

Artificial snow creates winter all year round

For skiing, snowboarding, and other winter sports, artificial snow requires realistic look, feel, and action. Machine-made snow uses seed materials to form ice crystals, with popular additives like Snomax and Drift enhancing realism and speed.

Beta blockers cost effective to society for heart failure treatment

A study by Duke University researchers found that beta blocker therapy for heart failure reduces societal costs by $3,959 per patient over five years. The treatment also improves survival rates and reduces hospitalizations. However, the authors suggest that Medicare coverage of medication costs could increase benefits.

Cell phone still too big? Micro-oscillators may help

Researchers at NIST developed a tiny device generating tunable microwave signals using individual electron spins. The device can be built into integrated circuits and may replace bulkier technologies with reduced cost.

Apple iPhone 17 Pro

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

Online calculator improves analysis of chemical data

MassSpectator eliminates manual translation errors by automatically identifying peak sizes in mass spectrometry data. This allows for faster and more accurate chemical compound analysis, benefiting law enforcement agencies conducting criminal investigations.

New standard on the menu, certified slurried spinach

The new Standard Reference Material (SRM) 2385 contains pure spinach with certified concentrations of vitamins and antioxidants. Spinach is rich in beta-carotene and lutein, essential for healthy vision and eye health.

Advice for designing reliable nanomaterials

Designing nanomaterials requires careful consideration of interatomic force laws and scaling dimensions. At the nanoscale, tiny cracks require more load to spread, increasing the risk of catastrophic failure. Ceramic materials are particularly affected due to their high strength, hardness, and light weight.

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.

7-month-old is youngest recipient of artificial corneal transplant

A 7-month-old boy named Lukas received a groundbreaking artificial corneal transplant using the AlphaCor device, offering renewed hope for patients with high-risk traditional corneal transplants. The procedure's success marks a significant milestone in the development of this innovative technology.

Tanning devices - Fast track to skin cancer?

Sunbeds' tanning properties come with a high risk of skin damage, including DNA mutations associated with malignant melanoma. Experts recommend restricting sunbed use to those over 18 years old and accelerate skin aging.

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.

Ebola outbreaks are simultaneous 'mini-epidemics'

A study by Wildlife Conservation Society reveals that simultaneous Ebola outbreaks consist of multiple viral strains originating from different areas. The authors recommend establishing a monitoring network to look for dead and dying large animals as an early warning system to minimize damage to both people and wildlife.

Blood clot risk not treated preventively, study finds

A recent study found that patients with deep vein thrombosis (DVT) often did not receive prophylactic therapy in the 30-day period prior to their diagnosis. The researchers also noted that physicians frequently prescribed older treatment methods instead of evidence-based drugs, such as low molecular weight heparin.

Study finds new antibiotic effective for diabetic foot infections

Linezolid has been shown to be effective in treating diabetic foot infections with a clinical cure rate of 81%. The drug can be given orally or intravenously, making it suitable for outpatient use. This approval may reduce hospitalizations and IV-related complications among patients with diabetic foot infections.

Ebola virus a threat to great ape populations

The Ebola virus has unleashed several lethal epidemics in Central Africa, leading to haemorrhagic fever and high mortality rates. The virus is transmitted by direct contact with infected animals or their carcasses, resulting in a rapid decline in great ape populations.

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.

Bone marrow–derived stem cells active in pulmonary fibrosis

Researchers have discovered that bone marrow-derived stem cells are present in the lungs of mice with pulmonary fibrosis. This finding suggests a new approach to treating the disease using stem cell therapy. Understanding how these stem cells engraft and interact with the lung tissue could lead to improved treatment outcomes.

Long-awaited debate on school vouchers

The article presents a long-awaited debate on school vouchers, focusing on estimation and conceptualization in assessing the effects of vouchers. The authors, prominent scholars in social sciences, discuss the role of theory in experimental research and the limitations of field experimentation.

Progress in probing the mosquito's sense of smell

Scientists at Vanderbilt University have verified that female Anopheles mosquitoes contain receptors responding to one of the chemical compounds found in human sweat. This discovery may lead to better ways to repel deadly insects and uncover additional chemicals that either attract or repel them.

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.

New method of distinguishing Alzheimer's from Lewy body dementia

Researchers have identified four key characteristics that reliably distinguish Lewy body dementia (DLB) from Alzheimer's disease (AD). These include daytime drowsiness, falling asleep during the day, staring into space, and disorganized speech. The discovery aims to improve diagnosis and treatment of DLB.

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.

Understanding nerve degeneration in spastic paraplegia

Researchers have found that nerve degeneration in spastic paraplegia is associated with abnormal mitochondria and impairment of axonal transport, highlighting a potential target for therapeutic interventions. The study suggests that preserving mitochondrial function may help prevent axonal loss in this devastating condition.

New study finds evolutionary diversification in Hawaiian spiders

A new study by University of California, Berkeley biologist Rosemary Gillespie found that Hawaiian spiders diversified to fill a wide range of habitats on the Hawaiian Islands. The research suggests that evolution plays a key role in shaping communities on these islands, similar to mainland processes.

Major risk factors identified for sudden infant death syndrome

A European study has identified major risk factors for sudden infant death syndrome (SIDS), including prone sleeping positions and household smoking. These avoidable risk factors suggest a basis for further reductions in SIDS incidence rates through changes in infant sleep arrangements and environmental habits.

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.

Mining for cosmic treasures with GEMS

The GEMS consortium presents the largest contiguous color image taken by the Hubble Space Telescope, comprising over 40,000 galaxies. The team uses this image to investigate how large galaxies evolved over the last nine billion years.

Normal aging versus Alzheimer's disease and the potential for prevention

Research suggests that changes in brain chemistry are more likely responsible for memory problems associated with normal aging, rather than cell loss. Analyzing data from past studies and ongoing research, experts aim to find cost-effective ways to extend knowledge on maintaining general brain health.

JCI Table of Contents, January 15 2004

Researchers at Yale University demonstrate that OspC is critical for Borrelia burgdorferi's ability to invade tick salivary glands and be transmitted to humans. Meanwhile, studies on hereditary spastic paraplegia and idiopathic pulmonary fibrosis reveal potential new targets for treatment.

Study finds huge variability in vitamin E absorption

Researchers found that taking vitamin E supplements with food, especially those containing fat, increases its bioavailability. The study suggests that people may not be getting enough vitamin E from their low-fat diets.

AmScope B120C-5M Compound Microscope

AmScope B120C-5M Compound Microscope supports teaching labs and QA checks with LED illumination, mechanical stage, and included 5MP camera.

Study pinpointing origins of Siberian peat bogs raises concerns

New research reveals that Siberian peat bogs originated suddenly around 11,500 years ago and have been absorbing vast amounts of carbon dioxide while releasing large amounts of methane. The findings suggest that thawing permafrost could release these trapped gases, leading to a significant shift in climate trends.

Alcohol-dependence gene identified

The study found an association between a specific GABA receptor gene and alcohol dependence, suggesting a potential genetic link. The findings support the idea that brain overactivation may contribute to predisposition to alcoholism.

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.

Ecstasy affects memory, new international study shows

Researchers found that regular ecstasy users experienced mainly long-term memory difficulties and were 23% more likely to report problems than non-users. Those who also used cannabis reported up to 20% more memory problems due to the 'double whammy' effect.

World's first 'robot scientist' proves a major success in the lab

A team of scientists has successfully used a 'robot scientist' to discover the function of about 30% of genes in baker's yeast (Saccharomyces cerevisiae), which could lead to major medical breakthroughs. The robot, trained on biochemistry knowledge, designed experiments and analyzed data using plate readers.

Garmin GPSMAP 67i with inReach

Garmin GPSMAP 67i with inReach provides rugged GNSS navigation, satellite messaging, and SOS for backcountry geology and climate field teams.

Are fish made of maple leaves?

A new study reveals that a significant part of the aquatic food chain is supported by terrestrial organic matter originating on the shoreline. Aquatic plants produce organic carbon through photosynthesis, which supports fish and invertebrate populations.

NASA satellite surface wind data improve 2-5 day weather forecasts

The SeaWinds scatterometer on NASA's QuikSCAT satellite provides ocean surface wind speed and direction measurements, leading to improved storm predictions at sea. This increased accuracy brings economic savings and reduces weather-related loss of life, especially in global shipping.

Fluke 87V Industrial Digital Multimeter

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

Bridging the gap between genetics and motivations to drink alcohol

A study found that genetic variation can influence motivation to drink alcohol, particularly to alleviate social anxiety and improve mood. This can lead to enhanced behaviors that increase the risk for alcoholism. The study suggests a link between genetic factors and drinking motives, providing insight into the biology of alcoholism.

LSU part of massive cosmic ray study

A team of LSU researchers is contributing to the largest-ever cosmic-ray experiment, analyzing data from a $100 million facility in Argentina. The project aims to understand the origin and properties of high-energy cosmic rays, which have puzzled scientists for years.

Heavy smokers see cigarettes as 'friends'

A study of 51 heavy smokers found that over 90% believed quitting was more threatening than the dangers of smoking. Many smokers feel angry and see themselves as victims who have been duped into smoking. The study also revealed that social pressures, stress relief, and fear of withdrawal symptoms hindered their ability to quit.

Corn earworm moths get a lift from the wind

Corn earworm moths travel at varying heights influenced by air currents, affecting their migration patterns. By analyzing wind patterns and weather forecasts, researchers aim to forecast the arrival of these pests and develop targeted insecticide strategies to reduce damage.

If we are what we eat, some lake fish are made of maple leaves

A study by Pace and colleagues found that 40-55% of lake plant production supports resident aquatic life, while 2250% of zooplankton is derived from terrestrial sources. The results suggest that aquatic food chains are supported not only by in-water production but also by organic matter from surrounding watersheds.

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.

Phone counseling helps smokers quit

A telephone counseling program was found to be more effective in helping smokers quit than a less-intensive mailing plan. The study showed that participants who received the phone counseling had a reduced chance of smoking after one year, with a significant association between the type of counseling and smoking behavior.

Florida Tech grant funds hacker attack models

Researchers at Florida Institute of Technology are developing new models to understand hacker tactics, with the goal of creating defensive techniques against cyber attacks. The project aims to break the cycle of cat and mouse games between hackers and defenders.

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.

A possible new form of 'supersolid' matter

Researchers at Penn State have created a new form of supersolid matter by freezing helium-4, exhibiting properties of both solids and fluids. The discovery, funded by the National Science Foundation, suggests that under certain conditions, some fraction of the helium atoms can move through the lattice like a superfluid.

Pediatricians and parents key to improving quality of children's health care

A report by Dr. Simpson and Denise Dougherty highlights the need for pediatricians and parents to collaborate on improving children's health care, focusing on quality indicators and evidence-based practice. The authors recommend creating an information technology system to track health care indicators and provide better care for children.

Probable discovery of a new, supersolid, phase of matter

Researchers Chan and Kim create a supersolid by compressing helium-4 gas into a glass disk with miniature pores at extremely low temperatures. The experiment suggests that all three states of matter can enter the 'super' state, known as Bose-Einstein condensation.