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Science News Archive February 2012 - Page 8


Page 8 of 30

New nanotechnology converts heat into power when it's needed most

Researchers at Wake Forest University developed Power Felt, a thermoelectric device that converts body heat into an electrical current. The technology has potential uses in various applications, including powering mobile devices during emergencies or boosting battery power in vehicles.

SourceWake Forest University·JournalNano Letters·DateFeb 22, 2012

Newly approved drug for metastatic melanoma nearly doubles median survival

A newly approved drug for metastatic melanoma has nearly doubled median survival times, changing the way this deadly form of skin cancer is treated. The drug, Zelboraf, blocks a mutated BRAF protein and has been shown to have a significant impact on patient outcomes.

SourceUniversity of California - Los Angeles Health Sciences·JournalNew England Journal of Medicine·DateFeb 22, 2012

Researchers evaluate teaching program for breaking bad news to patients

Researchers evaluated a teaching program for breaking bad news to patients, finding that medical students reported improved comfort in addressing difficult topics. The program involved videotaped sessions with standardized patients and post-interview discussions, which were found to be highly beneficial.

SourceH. Lee Moffitt Cancer Center & Research Institute·JournalJournal of Cancer Education·DateFeb 22, 2012
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.

Circadian rhythms linked to sudden cardiac death, study finds

Researchers at Case Western Reserve University School of Medicine discovered a novel genetic factor linking the body's natural circadian rhythm to heart electrical activity. This discovery provides insights into day-night variation in arrhythmia susceptibility and may lead to innovative approaches for diagnosis, prognosis, and treatment.

SourceCase Western Reserve University·JournalNature·DateFeb 22, 2012
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.

Solved! Mystery that stumped ecosystem modelers

Scientists have found that predator/prey relationships are crucial for maintaining stability and diversity in complex ecosystems, contradicting earlier modeling results. The research provides a new framework for understanding ecosystem responses to environmental change.

SourceU.S. National Science Foundation·JournalNature·DateFeb 22, 2012

In food form, some probiotics have a better chance to promote health

Researchers have developed a model gastric system to evaluate probiotic survival, finding that some bacteria strains thrive in fermented milks. The study suggests that certain lactococcal and enterococci strains can resurrect their viability in the small intestine.

SourceElsevier Health Sciences·JournalJournal of Dairy Science·DateFeb 22, 2012
Apple iPhone 17 Pro

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

Disappearing and reappearing superconductivity surprises scientists

Researchers have discovered unexpected superconductivity in a type of compound at higher pressures, contradicting earlier findings. The study reveals a transition temperature that disappears and reappears under extreme pressure conditions, sparking further research into its causes.

SourceCarnegie Institution for Science·JournalNature·DateFeb 22, 2012

Virginia Tech, Wake Forest University announce youth football publication, new head impact study

The Virginia Tech – Wake Forest University School of Biomedical Engineering and Sciences has published the first-ever data on head impacts from youth football players. The new study, called Kinematics of Impact Data Set (KIDS), aims to map the head impact exposure of youth football players across all age groups from 6 to 18 years.

SourceVirginia Tech·JournalAnnals of Biomedical Engineering·DateFeb 22, 2012

Scientists discover likely new trigger for epidemic of metabolic syndrome

Researchers found elevated levels of Toll-like receptors (TLRs) in individuals at risk for heart disease and diabetes, indicating a key role in the inflammatory response. The study suggests that suppressing TLR activity may be effective in treating these conditions, providing new insights into the development of metabolic syndrome.

SourceUniversity of California - Davis Health·JournalDiabetes Care·DateFeb 22, 2012
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.

Toxins from diseased brain cells make diseases of the brain even worse

Researchers have discovered that toxins released by diseased brain cells trigger a vicious circle of immune system activation, leading to high levels of free radicals that attack healthy nerve cells. The discovery may lead to targeted therapies to slow down these diseases.

SourceUniversity of Copenhagen·JournalJournal of Biological Chemistry·DateFeb 22, 2012

News coverage of alcohol's harm may sway support for liquor-control laws

A recent study found that news coverage emphasizing the role of alcohol in violent crime and fatal injuries can increase public support for alcohol-control laws. The study revealed that most news reports on these topics fail to mention alcohol, leading to a lack of awareness about its contribution to accidents and violence.

SourceJournal of Studies on Alcohol and Drugs·JournalJournal of Studies on Alcohol and Drugs·DateFeb 22, 2012

Shifting the clinical teaching paradigm in undergraduate nursing education

The NYU College of Nursing has implemented a new clinical teaching model using high-fidelity human patient simulation, increasing faculty capacity by 30% while reducing student-to-teacher ratios. This approach provides a safe learning environment for students to practice skills and critical thinking.

SourceNew York University·JournalJournal of Nursing Education·DateFeb 22, 2012
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.

ACGME announces plan to transform graduate medical education

The ACGME's new accreditation system will evaluate residents' core competencies in six areas: patient care, medical knowledge, and interpersonal skills. Teaching institutions must develop learning outcomes and submit reports every six months to document resident progress.

SourceAccreditation Council for Graduate Medical Education·JournalNew England Journal of Medicine·DateFeb 22, 2012

Hermetic bags save African crop, but not how experts once thought

A Purdue University study reveals that hermetic grain storage bags work by depriving weevils of water through metabolic processes, not just oxygen deprivation. The bags' effectiveness in reducing insect infestations has saved West and Central African farmers hundreds of millions of dollars.

SourcePurdue University·JournalJournal of Stored Products Research·DateFeb 22, 2012

Controlling protein function with nanotechnology

A new study by Rensselaer Polytechnic Institute researchers reveals that the size and curvature of nanosurfaces significantly impact protein orientation and stability. This discovery is crucial for controlling protein function in various biological applications, such as biosensors and tissue engineering.

SourceRensselaer Polytechnic Institute·JournalNano Letters·DateFeb 22, 2012
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.

Can you recognize an effective teacher when you recruit one?

A recent study by Columbia Business School researchers suggests that using a broadened set of information on new recruits, including nontraditional predictors of effectiveness, can help identify effective teachers. The results found that collecting such measures could explain 12 percent of the variance in teacher effectiveness.

SourceColumbia Business School·JournalEducation Finance and Policy·DateFeb 22, 2012

1 step closer to blocking the transmission of malaria

Researchers have completed the first comparative analysis of all available and in-development antimalarials, identifying potential transmission-blocking medicines. The study reveals that some existing antimalarials can target multiple stages of the malaria parasite's life cycle.

SourceMedicines for Malaria Venture·JournalPLOS Medicine·DateFeb 22, 2012

Researchers solve puzzle of proteins linked to heart failure

A new study published in PLoS ONE reveals how two individual but very similar proteins cooperatively adjust calcium levels inside heart cells, which may degenerate in heart failure. This dual regulation may lead to irregular heart rhythms and increased risk of sudden cardiac death.

SourceUniversity of Bristol·JournalPLOS ONE·DateFeb 22, 2012

Surprising diversity at a synapse hints at complex diversity of neural circuitry

A new study found surprising diversity in a single neural connection in flies, challenging the idea that structure is key to understanding function. The research suggests that genetic drift or natural selection may have shaped these diverse connections, leading to rapid evolution.

SourceUniversity of Wisconsin-Madison·JournalProceedings of the National Academy of Sciences·DateFeb 22, 2012

Is there a general motivation center in the depths of the brain?

A study found that the ventral striatum in the brain drives motivation during actions requiring physical and mental effort. The researchers discovered a general motivational system, activating both cognitive and motor parts of the brain depending on task difficulty.

SourceINSERM (Institut national de la santé et de la recherche médicale)·JournalPLOS Biology·DateFeb 22, 2012
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.

UK study provides insight into cancer progression

A UK study provides insight into the relationship between manganese superoxide dismutase (MnSOD) and cancer progression. The research found that MnSOD expression was suppressed early in skin carcinogenesis but increased at late stages, highlighting its role as a p53-regulated gene.

SourceUniversity of Kentucky·JournalCancer Research·DateFeb 22, 2012

Family history -- a significant way to improve cardiovascular disease risk assessment

A new study by University of Nottingham researchers found that systematically collecting family medical history is a significant tool in helping GPs spot patients at high risk of heart disease. The study identified an additional five percent of patients who would benefit from prevention measures, highlighting the potential for low-cost...

SourceUniversity of Nottingham·JournalAnnals of Internal Medicine·DateFeb 22, 2012

New way to tap largest remaining treasure trove of potential new antibiotics

Scientists have identified two new possible antibiotics, fasamycin A and B, that work against deadly resistant microbes like MRSA. The metagenomics method allowed researchers to analyze substances made by soil bacteria's DNA in the lab, enabling the discovery of these potential life-saving medications.

SourceAmerican Chemical Society·JournalJournal of the American Chemical Society·DateFeb 22, 2012

Colonoscopy prevents deaths from colon cancer

A study published in The New England Journal of Medicine found that removing polyps by colonoscopy prevents not only colorectal cancer development but also deaths from the disease. Patients who underwent the procedure had a 53% lower death rate from colorectal cancer compared to those without removed polyps.

SourceMemorial Sloan Kettering Cancer Center·JournalNew England Journal of Medicine·DateFeb 22, 2012
Celestron NexStar 8SE Computerized Telescope

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

Mammography-detected breast cancer in 40-49 year-olds has better prognosis

A recent study published in Radiology found that mammography-detected breast cancers in women between the ages of 40 and 49 have a significantly better prognosis compared to non-mammography detected cases. This is attributed to earlier detection and treatment, resulting in lower recurrence rates and mortality.

SourceRadiological Society of North America·JournalRadiology·DateFeb 22, 2012
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.

An 'off' switch for pain

Researchers have developed a light-controlled neural inhibitor that can inhibit pain-sensitive neurons. The compound QAQ acts as a photosensitive switch, and its conformation can be altered by light, enabling it to bind to specific receptors on nerve cells.

SourceLudwig-Maximilians-Universität München·JournalNature Methods·DateFeb 22, 2012

AGU: Oil sands pollution comparable to a large power plant

Scientists used satellites to measure nitrogen dioxide and sulfur dioxide emissions from oil sands mining in Alberta, Canada. The levels of these pollutants are comparable to those over a large power plant or medium-sized cities.

SourceAmerican Geophysical Union·JournalGeophysical Research Letters·DateFeb 22, 2012

Assessing the impact of the Affordable Care Act on health care for veterans

The Affordable Care Act may increase convenience for veterans, but also cause fragmentation in care, leading to more emergency department use and hospitalizations. The new insurance options may shift care from VA facilities to private practice physicians, potentially resulting in decreased use of critical services.

SourceUniversity of California - Davis Health·JournalJAMA·DateFeb 22, 2012
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.

Should patent and commercialization activities by faculty count toward tenure and promotion?

A survey found that 75% of institutions surveyed do not include patent and commercialization considerations in their tenure and promotion criteria. However, there are good arguments for adding these activities to the criteria, as it could inspire innovative activities earlier in a professor's career and increase research dollars.

SourceUniversity of South Florida (USF Health)·JournalJournal of Technology and Innovation·DateFeb 22, 2012

Even in winter, life persists in Arctic Seas

Despite harsh winter conditions, microscopic creatures in the Arctic food chain remain active, with zooplankton feeding at low rates. This discovery has implications for climate modeling and understanding of ecological balance, particularly in commercial fisheries.

SourceU.S. National Science Foundation·DateFeb 22, 2012
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.

New project could herald cheaper and more efficient biotechnology

A new project has been awarded £4 million to develop a 'click' technique for DNA and RNA assembly, which could make biotechnology research cheaper and more efficient. The technique enables the production of useful DNA structures on a larger scale than current enzyme-based technologies.

SourceBiotechnology and Biological Sciences Research Council·DateFeb 21, 2012

MIT research: A new twist on nanowires

Researchers at MIT have developed a method to precisely control the width and composition of nanowires as they grow, enabling complex structures optimally designed for specific applications. This technique could facilitate new semiconductor devices with better functionality than conventional thin-film devices.

SourceMassachusetts Institute of Technology·JournalNano Letters·DateFeb 21, 2012

West coast log, lumber exports increased over forty percent in 2011

Log and lumber exports from Washington, Oregon, northern California, and Alaska increased by 42 percent in 2011, totaling 1,992 million board feet. The total value of exported logs increased by 54 percent to $1,297 million, while the total value of exported lumber increased by 35 percent to $687 million.

SourceUSDA Forest Service - Pacific Northwest Research Station·DateFeb 21, 2012
Meta Quest 3 512GB

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

Computer-assisted tools alert pediatricians to obese patients

A Kaiser Permanente study found that computer-assisted decision tools in electronic health records substantially improve the identification and diagnosis of overweight and obesity among children and adolescents. The prevalence of childhood obesity has increased sharply, with at least 18 percent of 12- to 19-year-olds now considered obese.

SourceKaiser Permanente·JournalThe Journal of Pediatrics·DateFeb 21, 2012

Promising new compound for treating stroke

Researchers have designed a new chemical compound that binds 1,000 times more effectively to the target protein in the brain than current drugs, reducing cell death by 40% in animal models. The compound also improves motor function and passes through the blood-brain barrier.

SourceUniversity of Copenhagen·JournalProceedings of the National Academy of Sciences·DateFeb 21, 2012
DJI Air 3 (RC-N2)

DJI Air 3 (RC-N2) captures 4K mapping passes and environmental surveys with dual cameras, long flight time, and omnidirectional obstacle sensing.