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Science News Archive May 2011


Page 14 of 28

AgriLife Research scientists work with RNA silencing and plant stem cells

Researchers at Texas AgriLife Research have identified a key molecular mechanism regulating plant stem cell development, which could lead to increased fruit, seed, and leaf production. By understanding how microRNAs interact with RNA silencing proteins, scientists can engineer plants to produce more biomass.

Vaccine protects from deadly Hendra virus

A new experimental vaccine has shown promising results in protecting horses against the deadly Hendra virus, according to CSIRO scientists. The vaccine's successful development could help prevent the spread of the disease from flying foxes to horses and ultimately to people.

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.

Clinicians' attention lacking in discussions of end-of-life care

A study found that clinicians under-addressed all seven end-of-life topics with their patients, with four items rarely discussed and three sometimes addressed. The researchers hope the findings will inform the development of practical skills to improve clinician-patient communication about end-of-life care.

Targeted regeneration could be key to boosting coalfield communities

A Durham University-led study reveals that some less deprived coalfield areas are faring relatively well in terms of health, suggesting that regeneration efforts and resilience of local communities may be helpful. The research emphasizes the need for increased government assistance, particularly in poorer, predominantly rural coalfield...

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.

Graduation contamination

Researchers found that the rate of hand contamination among graduating students is 100 times lower than health workers caring for patients with MRSA, likely due to a lower prevalence of MRSA in graduates. Handshakes may remove pathogens acquired earlier, providing reassurance to individuals who shake hands regularly.

Novel therapy improves cardiovascular health in central sleep apnea patients

A novel therapy that stimulates the nerve controlling diaphragm has been shown to improve breathing patterns, reduce blood oxygenation levels, and lower heart rate in patients with both heart failure and central sleep apnea. This treatment offers a promising alternative to existing therapies like CPAP for patients with heart failure.

Using war games to treat post-traumatic stress disorder

A new virtual reality application delivers exposure therapy for PTSD by immersing soldiers in simulated trauma-relevant environments. The system has shown encouraging clinical results, with 80% of patients experiencing clinically meaningful reductions in PTSD symptoms.

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.

MIT News: When is it worth remanufacturing?

A study by MIT researchers found that remanufacturing products can be more energy-efficient in some cases, but new technology often cancels out savings. The team looked at life-cycle analysis and found that many remanufactured products are less energy-efficient due to newer versions being more efficient.

Driving errors increase with age among older drivers

A study of 266 healthy adults aged 70-88 found that driving errors, such as failing to check blind spots and speeding, increased with age. The results have implications for skill-based driving tests and training for older drivers.

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.

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.

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.

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.

Apple iPhone 17 Pro

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

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.

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.

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...

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.

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.

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.

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.

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.

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.

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.

Celestron NexStar 8SE Computerized Telescope

Celestron NexStar 8SE Computerized Telescope combines portable Schmidt-Cassegrain optics with GoTo pointing for outreach nights and field campaigns.

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.

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.

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.

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.

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.

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.

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.

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.

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.