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Science News Archive 2010


Page 21 of 283

Researchers describe first functioning 'lipidome' of mouse macrophage

Researchers have described the first functioning 'lipidome' of a mouse macrophage, a white blood cell, providing new insights into how lipids interact and change over time in response to bacterial stimuli. The study sheds light on the crucial role of lipid molecules in inflammation and disease.

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.

Preterm infants may need a boost

A new study suggests preterm infants are at risk of invasive pneumococcal disease despite receiving the pneumococcal conjugate vaccine. Early effective immunization is crucial, as they have lower levels of maternally derived antibody than full-term infants.

Long term exposure to pesticides may be linked to dementia

A study of 614 vineyard workers in South West France found a link between long-term pesticide exposure and declining cognitive abilities, including lower scores on memory and recall tests. The researchers suggest that higher risks of dementia may be associated with pesticide exposure.

Time ripe to move energy storage idea off drawing board

Researchers at Case Western Reserve University have developed a novel capacitor design that could significantly increase energy density in power supplies for electric cars. The new technology uses titanium alloy and advanced materials to create a highly efficient and compact device capable of absorbing and providing surges of electricity.

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.

Discovery triples number of stars in universe

Astronomers at Yale University have discovered that small red dwarfs are much more prolific than previously believed, increasing the total number of stars in the universe. The discovery found 20 times more red dwarfs in elliptical galaxies than in the Milky Way, with potential implications for galaxy formation and evolution.

Many coastal wetlands likely to disappear this century

Global coastal wetlands are likely to disappear near the end of the 21st century, with limited sediment supplies and tidal ranges making them vulnerable. Wetlands with higher sediment availability may survive under slow sea-level rise projections.

Study finds Hmong, Lu-Mien families face barriers to services

A new study by UC Davis researchers found that Southeast-Asian-American families with children having developmental disabilities face significant obstacles in receiving intervention services. Barriers include limited information, language difficulties and a perception that reliance on government support is not acceptable.

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.

New gene for childhood cancer neuroblastoma is discovered

Researchers at The Children's Hospital of Philadelphia have discovered a new gene, LMO1, as a significant contributor to neuroblastoma, the most common solid cancer of early childhood. Variants in this gene increase the risk of developing aggressive forms of neuroblastoma and mark the gene for continued disease progression.

Launch of multi-lingual tools to explore and measure science

A new set of multi-lingual tools has been released by Science-Metrix Inc. to visualize the links between scientific specialties in 18 languages. The tools include a classification of 15,000 peer-reviewed scientific journals, allowing users to track performance and research dynamics.

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.

Gene duplication detected in depression

Researchers found a duplicated region of DNA on chromosome 5 predisposes people to major depression, implicating disruptions in neurotransmission networks. The study identified 12 copy number variations exclusive to MDD cases, with a large duplication of the SLIT3 gene contributing to the risk.

New results in carotid artery stenosis versus endarterectomy

New analysis suggests that stenting can perform as well as surgery for treating narrowed carotid vessels, with age being a significant factor. For younger patients (under 70) with symptoms related to the condition, stenting proved effective in reducing stroke risk.

Biodiversity loss: Detrimental to your health

A study published in Nature found that species loss leads to increases in disease-causing organisms, increasing the risk of infectious diseases such as Lyme disease and hantavirus. The researchers argue that preserving natural habitats is crucial to preventing this effect.

Poor stream health imperils fish

The southeastern United States is home to a diverse array of fish species, but poor stream health poses a significant threat to their survival. The region's growing population and increasing demands on water resources have led to widespread degradation of aquatic habitats.

New psychology theory at Rensselaer enables computers to mimic human creativity

A new explanation of how humans solve problems creatively has been introduced, providing a roadmap for building systems that perform like humans. The theory proposes the coexistence of two types of knowledge and processing: explicit and implicit. By incorporating this principle, computers can now mimic human creativity in problem-solving.

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.

GPS not working? A shoe radar may help you find your way

Researchers developed a shoe-embedded radar system to aid pedestrian navigation, reducing errors in GPS-less situations. The technology uses inertial measurement units (IMUs) with an independent radar sensor to track movement and position.

JCI online early table of contents: Dec. 1, 2010

Researchers identified a crucial protein, LXR-beta, involved in the negative side effects of glucocorticoid drugs. Targeting this protein may lead to safer drug designs. Additionally, TXNL2 is found to protect human breast cancer cells from oxidative stress, while mutations in SLC1A1 cause rare kidney disorder dicarboxylic aminoaciduria.

A fountain of youth in your muscles

Tel Aviv University researchers discovered that endurance exercises increase muscle stem cells and enhance their ability to rejuvenate old muscles. This finding could lead to a new drug to help the elderly and immobilized heal their muscles faster.

Finger length points to prostate cancer risk

Men with longer index fingers are at a lower risk of developing prostate cancer, while those with shorter index fingers are more likely to be diagnosed. The study found that men aged under 60 were 87% less likely to have prostate cancer if their index finger was longer than their ring finger.

Diabetes may clamp down on cholesterol the brain needs

Joslin researchers found that brain cholesterol synthesis decreases in mouse models of diabetes, affecting nerve function and potentially leading to increased appetite and weight gain. The study suggests a link between diabetes and altered brain function, including changes in Alzheimer's disease risk and diabetic neuropathy.

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.

Diabetic brains suffer from lack of cholesterol

A new study reveals how diabetes disrupts brain cholesterol synthesis, leading to neurologic complications such as depression and increased Alzheimer's disease risk. Insulin therapy restores normal cholesterol production in the brain.

Motorcycle simulator gives new clues to road safety

Advanced riders with formal training demonstrated better road positioning, hazard perception, and progress through bends compared to novice and experienced riders without training. The study suggests that formal advanced training can improve safety on the roads.

World's fastest camera takes a new look at biosensing

The Megaframe Imager, a new ultrafast camera, uses an extremely sensitive SPAD device to detect viral DNA binding events at low target concentrations. This technology has potential applications in biological processes, automotive collisions, and astronomical observations.

Apple iPhone 17 Pro

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

Could 135,000 laptops help solve the energy challenge?

The US Department of Energy is awarding time on two world-leading supercomputers to 57 innovative research projects. These projects aim to advance scientific discoveries in areas such as renewable energy solutions, understanding environmental impacts, and developing new technologies like rechargeable batteries and hydrogen fuel. The pr...

Source of protection against saturated fat found

A study published in Cell Metabolism found that a protein called Angiopoietin-like protein 4 (Angptl4) protects against the severe inflammatory response caused by high levels of saturated fat. Mice deficient in this protein showed massive lymph node expansion and died after consuming a diet high in saturated fats.

Study assesses nuclear power assumptions

A study reviews nuclear power economics and concludes that the current fuel cycle is unsustainable due to uncertainty about waste management. Reprocessing and recycling of spent fuel is an alternative, but its implementation is controversial due to proliferation risks and high costs.

Brain scans show effects of Parkinson's drug

Researchers used a new brain imaging technique to test an investigational drug for Parkinson's disease, finding it may be effective when combined with levodopa. The study suggests the method could speed drug development and improve treatment outcomes.

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.

Venus holds warning for Earth

Scientists discovered a mysterious high-altitude sulphur dioxide layer on Venus that can help explain its formation. The new findings also suggest that injecting large quantities of sulphur dioxide into Earth's atmosphere to mitigate climate change may not be as effective as thought.

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.

Risk of death increases in IBD patients with hospital-acquired infections

A study published in Clinical Gastroenterology and Hepatology found that IBD patients with hospital-acquired infections experience increased mortality and prolonged hospital stays. The majority of infections among hospitalized IBD patients are health-care associated, with severe liver disease patients being at highest risk.

Columbia engineering team discovers graphene's weakness

A Columbia University engineering team has discovered how pure graphene breaks under tensile stress, revealing a novel soft-mode phonon instability that leads to mechanical failure. This finding is significant for understanding the behavior of low-dimensional systems like graphene and could lead to new ways to engineer its properties.

Researchers use patient's own blood to treat hamstring injury

A two-part treatment using injections of a patient's own blood and steroid, combined with dry-needling, has shown significant improvements in functionality and pain reduction for patients with hamstring tendinopathy. The study found that this treatment approach outperformed traditional steroid therapy alone.

Astronomers use moon in effort to corral elusive cosmic particles

A team of astronomers used the Moon to search for ultra-high-energy neutrinos from distant regions of space. They reported their findings in the December edition of the journal Astroparticle Physics, setting a new upper limit on the amount of such particles arriving from space.

Meta Quest 3 512GB

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

Social support is most effective when provided invisibly

Research by University of Minnesota psychologists shows that invisible emotional and practical support from partners significantly reduces anger, anxiety, and increases self-efficacy. The study provides new insights into the dynamics of social support in couples.

Arsenic-polluted water toxic to Bangladesh economy

Exposure to arsenic in rural Bangladesh is poisonous to the nation's economy, reducing labor supply by 8 percent. The study also shows that women are working fewer hours outside the home while men are working more to compensate for the lack of healthcare access.

Alternative therapies may leave asthmatics gasping

A recent study from Université de Montréal found that using alternative therapies for asthma can result in a two-fold higher rate of poor asthma control in children. The study assessed over 2000 families with children and found that use of alternative therapy was associated with reduced effectiveness of conventional asthma treatment.

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.

Politics about global health estimates overshadow real needs

A cluster of articles in PLoS Medicine highlights the need to improve global health estimation and data measurement. Experts argue that the process has become overly politicized and that action is needed to address the most vulnerable populations' health needs.

Measuring the temperature of nanoparticles

Researchers at Rensselaer Polytechnic Institute developed a technique to probe the temperature rise in the vicinity of RF-actuated nanoparticles. The study found that the measured temperature rise was consistent regardless of whether the sensors were mixed with or covalently bonded to the nanoparticles.

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.

Legalizing child pornography is linked to lower rates of child sex abuse

A new study by Milton Diamond and colleagues found that legalizing child pornography in the Czech Republic led to a significant decrease in reported cases of child sex abuse. The study's findings also suggest that potential sexual offenders use child pornography as a substitute for sex crimes against children.

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.