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Science News Archive November 2011


Page 13 of 28

Boppart presents at Congressional briefing

Professor Boppart discusses the importance of federal funds for research in medical imaging, enabling diagnosis and improving healthcare. He highlights the potential of optical coherence tomography to reduce re-operations and develop compact imaging devices for primary care physicians.

Prenatal quality initiative improves patient safety

A comprehensive training program for healthcare staff significantly reduced adverse events, including birth trauma, by more than half. The two-year study also showed improved staff perceptions of safety, patient satisfaction, and documentation rates.

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.

A new molecular mechanism in breast cancer development

Researchers identified a key interaction between BRCA1 and RHAMM proteins regulating epithelial cell polarity, found altered in some breast cancer patients. The discovery provides new insights into the molecular mechanisms driving breast cancer development.

Moderate drinking and cardiovascular health: here comes the beer

A study published in the European Journal of Epidemiology found that moderate beer consumption can lower cardiovascular disease risk by up to 31% compared to non-drinkers. The research also revealed a dose-dependent effect for beer, with maximum protection observed at approximately one English pint per day.

Molecular link between diabetes and cancer described

A study from Lund University has discovered a molecular link between type 2 diabetes and cancer, highlighting the role of the TCF7L2-p53-p53INP1 pathway in protecting pancreatic beta cells. The risk variant of TCF gene is common and linked to both diabetes and certain types of cancer.

Perfect micro rings woven from muscle fibers

Researchers build a simple model system to study laws of 'absorbing states' in active systems, where energy is continuously consumed but movement stops. Complex structures form with perfectly shaped rings made up of millions of individual fibers.

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.

NIH TRND program announces next round of drug development projects

The National Institutes of Health's Therapeutics for Rare and Neglected Diseases (TRND) program has announced its next round of drug development projects. Six new projects will focus on treatments for rare and neglected diseases, including musculoskeletal disorders, cognitive dysfunction disorders, and parasitic worm infections. The TR...

Teaching skills key to selection of a successful model farmer

A new study by Steve Franzel and colleagues found that only 40% of expert farmers are effective disseminators, highlighting the importance of selecting farmer trainers based on their teaching skills. The study, conducted in Kenya with 225,000 smallholder farmers, suggests that extension programs should prioritize trainer selection over...

Supervolcanoes: Not a threat for 2012

Despite fears, there's no evidence a supereruption is imminent; supervolcanoes are exceedingly rare and occur in clusters. Scientists closely monitor volcanically active areas, and there's no sign of a looming eruption.

Apple iPhone 17 Pro

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

Cleaning cows from inside out

Researchers have discovered that citrus products can provide cows with good roughage and vitamins, reducing the risk of foodborne pathogens. The study found a tenfold reduction in Salmonella populations in sheep's intestinal contents after feeding them dried orange peel pellets.

Milk thistle extract stops lung cancer in mice

Researchers found that silibinin from milk thistle prevents lung cancer growth by inhibiting COX2 and iNOS production. This natural compound may be as effective as current treatments for lung cancer, targeting promising therapeutic targets STAT1 and STAT3.

Igniting innovation and inspiration

The DOE's Office of Science has awarded almost 1.7 billion processor hours to 60 high-impact research projects addressing national and global challenges, with applications including earthquake hazard forecasts, wind turbine efficiency, and laser energy coupling for ignition targets. These awards accelerate development costs and speed d...

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.

Is a stranger trustworthy? You'll know in 20 seconds

A new study from the University of California, Berkeley, found that complete strangers can pick up on who is trustworthy and kind in just 20 seconds based on facial expressions and body language. People with a specific variation of the oxytocin receptor gene, known as the GG genotype, displayed more trustworthy behaviors.

NC State team to develop energy efficient 3-D CPU

Researchers from North Carolina State University are working on a 3D CPU design to achieve up to 25% reduction in energy consumption and improve performance. The goal is to overcome challenges such as heat dissipation and incompatible chip designs, enabling the manufacture of more efficient and powerful computing devices.

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.

Putting stroke patients in charge improves quality of life

A new study shows that giving stroke patients and their families control over their recovery process can significantly improve physical health scores and reduce disability. The 'Take Charge' session improved patients' quality of life by six points, while the inspirational DVD upped the result by one point.

Policy reforms 'demoralizing' teaching profession, scholar argues

Doris Santoro argues that rigid curricula and high-stakes testing undermine a teacher's ability to respond to students' needs. The author emphasizes the distinction between burnout and demoralization, highlighting the need for policymakers to promote quality teaching.

Ancient stars shed light on the prehistory of the Milky Way

Researchers have discovered that ancient stars in the Milky Way's halo contain abnormally large amounts of heavy elements like gold and uranium. By analyzing the motions of these stars, they found evidence suggesting that exploding supernovae may have sent jets of enriched gas into space, creating the heavy-element rich stars.

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.

Ionized plasmas as cheap sterilizers for developing world

Researchers at UC Berkeley have discovered that ionized plasmas can kill bacteria in water for up to a week, making it a potential cheap and effective sterilizer for developing countries. The plasma-generated molecules create a cocktail of highly reactive chemicals that attack and destroy microbes.

Fluke 87V Industrial Digital Multimeter

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

MSU researcher sent to Siberia to study global change

Elena Litchman leads a $2 million NSF grant to study Lake Baikal's adaptation to climate change. The research aims to understand how the lake's endemic species will respond to rising temperatures and human-induced stress, with potential implications for global ecosystems.

Marines test new energy-efficient weapon in the war on trash

The Micro Auto Gasification System (MAGS) can reduce a standard 50-gallon bag of waste to a half-pint jar of harmless ash. Developed by the Office of Naval Research, MAGS is environmentally friendly and fuel efficient, using thermally converted energy from biomass.

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.

Adolescent sex linked to adult body, mood troubles, in animal study

Researchers found that adolescent male hamsters showed signs of depressive-like behaviors, lower body mass, and changes in brain cells after early-life sexual experience. This suggests that sex during adolescence may be interpreted by the body as a stressor, leading to lasting negative effects on adult body and mood.

Blood pressure and stroke risk gets more complicated

A new international study found that patients with very low systolic blood pressure levels may actually increase their chances of experiencing a recurrent stroke. The research, led by Bruce Ovbiagele, suggests that the relationship between blood pressure and stroke risk is more complicated than previously thought, with timing also play...

Evidence supports ban on growth promotion use of antibiotics in farming

The widespread use of antibiotics in animal farming creates an environment for antibiotic-resistant bacteria to multiply and spread to humans. Studies show that up to 90% of antibiotics given to livestock are excreted into the environment, contributing to resistance genes and promoting infection risk.

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.

The leading edge of stress: New genomic, optogenetic and epigenetic findings

Researchers used genetic tools to investigate how stress affects brain function and identify potential targets for treating stress-related disorders. The study provides clues on how different types of stress alter genes and brain function, shedding light on behavior and mood changes in stress-related illnesses.

MIT: Uncovering a key player in metastasis

A study by MIT cancer biologists reveals that platelets release chemical signals inducing tumor cells to become more invasive and form new tumors. The findings suggest that direct physical contact between platelets and tumor cells is necessary for metastasis, highlighting potential targets for drug development.

New biosensor benefits from melding of carbon nanotubes, DNA

Researchers have created a self-assembling platform for biosensors using synthetic DNA and carbon nanotubes. The technology allows for the creation of highly efficient sensors for detecting various compounds, including glucose, with potential applications in diabetes management and personalized medicine.

Only a third of US state police agencies equip cars with AEDs

A new study reveals that only 30% of US state police agencies have automated external defibrillators in their vehicles, despite the lifesaving devices being available for nearly $1,000 each. Training for officers in AED use is common, but equipment availability remains a significant issue.

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.

Research provides clues to neurodevelopemental disorders

Recent studies shed light on how brain structure, genes, and chemicals interact to affect behavior in individuals with autism and fragile X syndrome. The research findings offer new tools for understanding these conditions, paving the way for effective education, early intervention, and potential treatments.

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.

Gene impedes recovery from alcoholism

A specific gene variant is associated with a higher risk of premature death and relapse among alcohol-dependent individuals. Research found that carriers of this variant are 10 times more likely to die prematurely compared to the general population.

New hi-tech survey accelerates collection of vaccination data

Researchers used new technologies to collect near-real-time data on vaccination side effects in Scotland, revealing no significant safety issues with the 2009-10 swine flu vaccine. The study adds to evidence supporting the safety of vaccination campaigns and could inform future studies using web-based technology.

Erratic, extreme day-to-day weather puts climate change in new light

A new climate study found that daily weather variations have become more erratic and extreme, with significant fluctuations in sunshine and rainfall. This increase in variability could alter the distribution of heat and rainfall, affecting ecosystem stability and industries such as agriculture and solar-energy production.

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.

Atherosclerotic plaques' downstream spread linked to low shear stress

A new study finds that atherosclerotic plaques often form in regions of low shear stress immediately downstream, creating conditions favorable for additional plaque buildup. High shear stress is typically found within existing plaques, suggesting its role in maintaining their stability.

UC a strong presence at American Society of Criminology Meeting

Researchers at University of Cincinnati present findings on housing vouchers, prison victimization, public land use and fear of crime. A study also explores the impact of living with a custodial grandparent on juvenile delinquency. The effectiveness of Alcoholics Anonymous as a judicial sanction is evaluated in another study.

Pneumonia most common infection after heart surgery

The study found that pneumonia is the most common serious infection after heart surgery, occurring in 2.4 percent of patients, followed by C. difficile colitis and bloodstream infections. Risk factors for infection include congestive heart failure, hypertension, and length of stay.

Meta Quest 3 512GB

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

Why do experts seek negative feedback to get motivated?

A study found that experts are more motivated by negative feedback than novices, while novices respond better to positive feedback. This suggests that marketers should target experts with negative feedback to promote motivation and change attitudes.