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Science News Archive 2011


Page 199 of 311

New solar product captures up to 95 percent of light energy

A University of Missouri engineer has developed a flexible solar sheet that captures more than 90% of available light, capturing both sunlight and heat for electricity generation. The team plans to make prototypes available within five years, with potential commercial applications in various industries.

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.

Postponing care can result in serious consequences for asthma patients

A recent study found that patients who delay seeking emergency medical care for asthma exacerbations are more likely to be sicker and hospitalized than those who seek care earlier. The study also revealed that patients who postponed treatment were not more likely to consult physicians before coming to the emergency department, but rath...

Visits to asthma specialists delayed for African-American children

A study found that African-American children are more likely to have poorer lung function and less well-controlled asthma upon their first visit to an asthma specialist. They also reported a greater burden from asthma, with more emergency department visits, hospitalizations, and intensive care unit stays.

Chinese herbal paste may help prevent exacerbations of COPD

A traditional Chinese herbal paste called Xiao Chuan has been shown to reduce the frequency of winter exacerbations of chronic obstructive pulmonary disease (COPD). The study, conducted in Beijing, found that patients treated with XCP experienced statistically significant reductions in steroid use and episodes of shortness of breath.

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.

Tale of 2 mice pinpoints major factor for insulin resistance

Researchers at Joslin Diabetes Center identified PKC-delta as a major factor for insulin resistance in mice, correlating with obesity-related conditions. The enzyme's activity was found to be increased in both human and mouse models of insulin resistance, suggesting it as a promising target for drug development.

Detecting lung cancer early

Scientists have identified key molecular patterns in the blood of lung cancer patients, which can help detect the disease at an early stage. The study found these patterns are present even in tumors still in their earliest stages, offering new hope for improving lung cancer diagnosis and treatment.

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.

JCI online early table of contents: May 16, 2011

Researchers have identified a stem cell population that can reverse nerve cell loss in individuals with Parkinson disease. Protein-based human induced pluripotent stem (iPS) cells were found to efficiently generate functional dopamine neurons and treat a rat model of the disease. These findings suggest a potential new treatment approac...

Simple surgical procedure may help prevent heart damage in children

A surgical procedure to remove enlarged tonsils and adenoids may reduce blood pressure in children with OSA, preventing heart damage. In a study of 115 children, adenotonsillectomy resulted in lower blood pressure levels during sleep, restored the normal nighttime dip in blood pressure, and even reduced heart size in some cases.

Embargoed news from Annals of Internal Medicine

Researchers found that add-on diabetes drugs for patients with uncontrolled diabetes on metformin and sulfonylurea have no clear between-drug differences. High-seelenium yeast supplements slightly reduced cholesterol levels but increased the risk of harm, particularly in countries with adequate selenium intake. Obesity is linked to fun...

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.

Lay-language summaries of latest research at Acoustical Society meeting now online

The American Institute of Physics has posted lay-language summaries of recent research presentations at the Acoustical Society meeting. These summaries cover a wide range of topics, including biomedical ultrasound, reducing underwater noise, and new car mufflers. The online collection offers easily approachable explanations of complex ...

Stopping HIV transmission with a molecular barrier

Researchers have developed a novel, topically-applied molecular microbicide that uses RNA interference (RNAi) to prevent HIV transmission. The microbicide was tested in mice and found to provide long-lasting protection against HIV infection, opening the door to developing an intravaginal microbicide for women's protection.

Tarantulas shoot silk from feet

Researchers Claire Rind and Luke Birkett discovered tarantulas shoot silk from their feet when they lose their footing. The silk is produced by microscopic spigots on the spiders' feet, which are distributed across the foot's surface.

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.

Major European project taking steps to protect pollinators

A €3.5M European Commission-funded project is working to understand the causes of pollinator declines and develop ways to manage landscapes for wild bee conservation. The STEP project aims to safeguard pollinators providing essential services to crops and wildflowers.

Surprising findings from studies of spontaneous brain activity

A recent study published in Brain Connectivity suggests that ongoing, intrinsic brain activity accounts for the majority of human brain energy usage. This finding challenges previous assumptions and highlights the complexity of brain function and structure.

Meta Quest 3 512GB

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

Philanthropist connects strategic plan to research

Thurston worked with Dr. Nader Sanai to create a detailed Gantt chart, compressing the project timeline from five to three years and reducing expenses. The gift agreement includes financial incentives, motivating Dr. Sanai to achieve specific goals on a quarterly basis.

'Barcoding blitz' on Australian moths and butterflies

A team of researchers successfully barcoded over 28,000 Australian moth and butterfly specimens, covering 65% of the country's known species. This achievement will transform biodiversity monitoring and biosecurity efforts in Australia.

There's no magic number for saving endangered species

A new study disputes the use of a single minimum viable population number as a yardstick for conservation policies. Populations show rapid declines due to human activities, but removing negative effects, even small populations could be viable in the long term.

Obese patients at much greater risk for costly surgical-site infections

A new study from Johns Hopkins Medicine reveals that obese patients undergoing colon surgery are 60% more likely to develop costly surgical-site infections. These infections result in extended hospital stays, increased costs of $17,000 per patient, and a three-times greater risk of hospital readmission.

Apple iPhone 17 Pro

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

Foothill yellow-legged frog provides insight on river management

Research on Rana boylii reveals tadpoles are weak swimmers and don't survive high-flow events, while habitat modeling tools provide reliable predictions. The study's findings guide conservation planning for the species, emphasizing the importance of mimicking natural flow patterns to conserve riverine species.

Sky & Telescope Pocket Sky Atlas, 2nd Edition

Sky & Telescope Pocket Sky Atlas, 2nd Edition is a durable star atlas for planning sessions, identifying targets, and teaching celestial navigation.

A good story can trump a bad credit score in peer-to-peer lending

Research from Rice University and the University of Delaware found that unverifiable information like personal stories enhances lending decisions. Borrowers who explain their circumstances but deny details have poor loan performance. Using a 'trustworthy' identity can lower costs by almost 30% and save $375 in interest charges.

Sporadic mutations identified in children with autism spectrum disorders

Scientists at the University of Washington have identified 21 newly occurring genetic mutations in children with autism spectrum disorder, many of which altered proteins. The study suggests that these sporadic mutations could contribute substantially to the underlying mechanisms and severity of autism in approximately 20 percent of cases.

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.

Computer program aids patients in end-of-life planning

A new computer-based decision aid has been developed to educate patients with moderate/severe COPD on end-of-life planning, generating an accurate advance directive that reflects their wishes. Patients reported high levels of satisfaction and no decrease in hope after using the program.

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.

New prostate cancer test more specific, sensitive than PSA test

A new test measuring multiple parameters including PSA and six antibodies found in the blood of men with prostate cancer is more sensitive and specific than the conventional PSA test. The A+PSA assay reduces false-positives and shows great potential to improve prostate cancer diagnosis.

Happiness has a dark side

A new review article outlines four ways in which happiness can be problematic, including the risk of disappointment and decreased happiness when pursuing it. The study also finds that excessive or inappropriately felt happiness can lead to negative consequences, such as reckless behavior and social problems.

Fluke 87V Industrial Digital Multimeter

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

Ocean warming detrimental to inshore fish species

A CSIRO Australia study found that ocean warming is detrimental to the growth of a long-lived south-east Australian and New Zealand inshore species, the banded morwong. The research team analyzed long-term changes in the growth rates of the banded morwong and observed slowed growth at warmer temperatures.

Next generation gamers: Computer games aid recovery from stroke

Researchers found that computer simulations and cutting-edge techniques used by the film industry can restore lost hand and arm function in stroke victims. The study showed significant improvements in patients who played Plasma Pong, Hammer Task, Virtual Piano, and Hummingbird Hunt games.

Researchers demonstrate autonomous robots able to explore and map buildings

Researchers have developed autonomous robots that can explore and map buildings using a combination of navigation technology, vision-based techniques, and network technology. The robots can transmit detailed floor maps to humans in minutes, which could improve response times to emergencies and enhance safety in confined spaces.

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.

Splitting water to create renewable energy simpler than first thought?

A team of scientists at Monash University has discovered a manganese-based catalyst that can split water into hydrogen and oxygen using sunlight. The breakthrough uses the common mineral birnessite, which is found in rocks, to create a simple and efficient process for producing clean fuel.

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.

Gene variant linked with development of COPD in men

Researchers have identified a gene variant associated with the onset of chronic obstructive pulmonary disease (COPD) in Caucasian men. The study found that variants in the vitamin D receptor gene influence the time to development of COPD, highlighting the potential role of vitamin D metabolic pathways in COPD risk.

Exotic behavior when mechanical devices reach the nanoscale

A groundbreaking study by Prof. Adrian Bachtold's team has discovered nonlinear damping behavior in nanoscale mechanical devices, which facilitates amplification of signals and dramatic improvements in sensitivity. The findings have profound consequences for the physics of nanoelectromechanical resonators and will enable significant ad...

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.