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Science News Archive October 2012 - Page 32


Page 32 of 33

Study suggests high use of medicare skilled nursing benefit at end of life

A study published in Archives of Internal Medicine found that nearly one-third of older adults used the Medicare posthospitalization skilled nursing facility benefit in their last six months of life. This high use of the SNF benefit for end-of-life care highlights the need to improve palliative care services in nursing homes.

SourceJAMA Network·JournalArchives of Internal Medicine·DateOct 1, 2012

Fluoxetine increases aggressive behavior, affects brain development among adolescent hamsters

A study published in Behavioral Neuroscience found that repeated fluoxetine administration to adolescent hamsters increased offensive aggression and altered brain areas related to aggression control. The research suggests that clinically relevant doses of fluoxetine during adolescence can dramatically alter brain circuitry implicated i...

SourceNortheastern University College of Science·JournalBehavioral Neuroscience·DateOct 1, 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.

Computerized osteoporosis detection

Researchers have developed a new computerized technique to diagnose osteoporosis using X-rays, which estimates bone porosity and improves accuracy over visual examination. The system has shown high accuracy rates of less than 2% in detecting osteoporosis in elderly Asian patients.

SourceInderscience Publishers·JournalInternational Journal of Biomedical Engineering and Technology·DateOct 1, 2012

Overweight teens get mental health boost from even small amounts of exercise

Overweight adolescents who engaged in regular exercise showed improvements in scholastic competence, social competence, and body image, according to a recent study. The researchers found that even modest doses of aerobic exercise had a positive impact on mental health, including psychological empowerment and reduced emotional distress.

SourceChildren's Hospital of Eastern Ontario Research Institute·JournalJournal of Pediatric Psychology·DateOct 1, 2012

Psychiatric disorders may persist in some young people after detention

A study found that nearly half of males and 30% of females had psychiatric disorders five years after detention, highlighting the long-term impact of juvenile incarceration on mental health. Substance use disorders were the most common, with males having a higher risk than females.

SourceJAMA Network·JournalArchives of General Psychiatry·DateOct 1, 2012

Smartphone technology acceptable for telemedicine

A Mayo Clinic study confirms the effectiveness of smartphone teleradiology applications in evaluating stroke patients in remote settings. The study shows high agreement (92-100%) among reviewers on critical radiological features, paving the way for telemedicine expansion.

SourceMayo Clinic·JournalStroke·DateOct 1, 2012
Apple iPhone 17 Pro

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

Scientists discover novel way to remove defects in materials

Researchers created a defect in the structure of a single-layer crystal by inserting an extra particle, then observed as the crystal 'healed' itself. The discovery has important implications for improving conductivity in electronics and other materials science applications.

SourceUniversity of Chicago·JournalNature Materials·DateOct 1, 2012

JCI early table of contents for October 1, 2012

Researchers at the Medical University of South Carolina found that saturated fatty acids and specific metabolic pathways contribute to diabetic cardiomyopathy in mice. Additionally, a study published by Helen Hobbs' group identified the mutation PNPLA3 as a contributing factor to non-alcoholic fatty liver disease in mice.

SourceJCI Journals·JournalJournal of Clinical Investigation·DateOct 1, 2012

Patient-led advocacy has changed how US government funds medical research

A University of Michigan School of Public Health fellow analyzed data on 53 diseases over 19 years, finding that strong advocacy organizations received significantly more funding. This shift in policy prioritizes patients with particular diseases as recipients of research funds, based on perceived moral worthiness.

SourceAmerican Sociological Association·JournalAmerican Sociological Review·DateOct 1, 2012

Misconduct, not error, accounts for most scientific paper retractions

A new study found that misconduct accounts for two-thirds of all retracted scientific papers, with fraud or suspected fraud being the leading cause. The number of retractions has increased 10-fold since 1975, attributed to a winner-take-all culture in science that rewards publication and reputation over integrity.

SourceAlbert Einstein College of Medicine·JournalProceedings of the National Academy of Sciences·DateOct 1, 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.

Popular antidepressant might prevent heart failure

Researchers at the University of Michigan discovered that paroxetine inhibits GRK2, a protein kinase involved in heart failure, improving myocardial contractility without affecting heart rate. The team hopes to optimize and develop these compounds into therapeutic leads for heart failure treatment.

SourceUniversity of Michigan·JournalACS Chemical Biology·DateOct 1, 2012

Patients feel more control of their health when doctors share notes

A recent study published in the Annals of Internal Medicine found that patients who had access to notes written by their doctors felt more in control of their care and reported better understanding of their medical issues. The majority of doctors also reported enhanced trust, transparency, and communication with their patients.

SourceBeth Israel Deaconess Medical Center·JournalAnnals of Internal Medicine·DateOct 1, 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.

GI societies issue new colonoscopy surveillance guidelines

The American Gastroenterological Association and other GI societies have issued updated guidelines for colonoscopy surveillance after screening and polypectomy. These recommendations support previous guidelines, addressing areas such as the need to repeat colonoscopies every 10 years for average-risk patients with a clean exam result.

SourceAmerican Gastroenterological Association·JournalGASTROENTEROLOGY·DateOct 1, 2012

Therapeutic time window important factor for cord blood cell transplantation after stoke

A study found that transplantation within a 72-hour time window resulted in early functional recovery and reduced brain atrophy. The optimal therapeutic time window was determined to be between 72 hours and 120 hours after stroke onset, with no benefit observed when transplanted at 14 days.

SourceCell Transplantation Center of Excellence for Aging and Brain Repair·JournalCell Transplantation·DateOct 1, 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.

Longest fiber-optic sensor network developed

Montserrat Fernández-Vallejo has developed the longest fibre-optic sensor network measuring 250 km with a multiplexing capability, enabling remote monitoring of large infrastructures. The network addresses three main challenges: multiplexing sensors, ensuring continued service in case of faults, and allowing remote monitoring.

SourceElhuyar Fundazioa·JournalIEEE Sensors Journal·DateOct 1, 2012

Eliminating visual clutter helps people with mild cognitive impairment

A new study from Georgia Tech and the University of Toronto found that reducing visual clutter can improve object perception in individuals with mild cognitive impairment. The researchers tested MCI patients on identifying identical pairings, finding that interspersing similar objects with dissimilar ones reduced interference.

SourceGeorgia Institute of Technology·JournalHippocampus·DateOct 1, 2012

New hope for taming triple-negative breast cancer

Researchers at the University of Texas Health Science Center San Antonio have discovered a potential cure for triple-negative breast cancer. They found that microRNAs can sensitize drug-resistant tumors to chemotherapy drugs like paclitaxel, reducing side effects and improving treatment outcomes.

SourceUniversity of Texas Health Science Center at San Antonio·DateOct 1, 2012
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.

Republican strength in Congress aids super-rich, president's affiliation has no effect

A new study by American Sociological Association investigates the rise of the top 1 percent and finds that Republican strength in Congress increases their share of income. The study also reveals a significant link between decreased union membership and higher levels of inequality, as well as a strong effect of financial asset bubbles o...

SourceAmerican Sociological Association·JournalAmerican Sociological Review·DateOct 1, 2012

Screening for post-stroke depression inadequate and inconsistent, study finds

A study found that 40% of stroke patients were treated for depression without proper diagnosis. Researchers say clinicians are over-treating some patients and overlooking others due to lack of access to mental health care professionals. Screening for depression after all strokes could improve treatment outcomes.

SourceHeart and Stroke Foundation of Canada·DateOct 1, 2012

A simple blood test could be used to detect breast cancer

Researchers are developing a simple blood test to detect early signs of breast cancer, which could improve treatment and detection rates. The study aims to identify DNA markers consistent with cancer in blood samples from women attending breast screening clinics.

SourceUniversity of Leicester·DateOct 1, 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.

Low birth weight may increase risk for cardiovascular disease, kidney disease and diabetes

A new study published in The FASEB Journal suggests that being born with a low birth weight may increase the risk of developing cardiovascular disease, kidney disease, and diabetes later in life. Researchers found that older female rats had a reduced ability to become pregnant and carried babies that were smaller or lighter in weight.

SourceFederation of American Societies for Experimental Biology·JournalThe FASEB Journal·DateOct 1, 2012

Trapping weevils and saving monarchs

Researchers discovered a pheromone formula that attracts milkweed stem weevils, four times more than boll weevils, in Texas traps. This finding could help conserve rare milkweed types and monitor monarch butterfly populations.

SourceUnited States Department of Agriculture - Research, Education and Economics·DateOct 1, 2012

Restoring sight would save global economy $202 billion each year

A new study suggests that investing in vision care services could generate massive economic benefits, saving the global economy $202 billion each year. The proposed investment of $28 billion would provide training for eye care personnel and establish infrastructure to improve vision correction rates.

SourceScience in Public·JournalBulletin of the World Health Organization·DateOct 1, 2012
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.

Climate change cripples forests

Researchers found that warmer temperatures and increased atmospheric evaporative demand will lead to widespread tree mortality and changes in forest distributions. The study used a 'Forest Drought Stress Index' to estimate annual regional tree-growth variability with exceptional accuracy.

SourceDOE/Los Alamos National Laboratory·JournalNature Climate Change·DateOct 1, 2012

How sexual power can be disempowering

A new study by Dr. Lisa Rosenthal found that social dominance orientation can lead to increased sexual risk-taking and decreased confidence among both men and women, particularly when it comes to using female condoms.

SourceSpringer·JournalSex Roles·DateOct 1, 2012

Annals of Internal Medicine tip sheet for Oct. 2, 2012

Researchers found that inviting patients to read their doctors' notes boosts patient engagement, adherence, and control in healthcare plans with minimal impact on doctor workload. Additionally, the use of electronic health records improves diabetes care by enhancing monitoring, treatment, and glucose control. New equations for estimati...

SourceAmerican College of Physicians·JournalAnnals of Internal Medicine·DateOct 1, 2012
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.

Potential new class of drugs blocks nerve cell death

A new class of small molecules, P7C3 series, has been identified to block cell death in animal models of Parkinson's disease and amyotrophic lateral sclerosis. The compounds protect newborn neurons from cell death and correlate with improvement of disease symptoms.

SourceUniversity of Iowa Health Care·JournalProceedings of the National Academy of Sciences·DateOct 1, 2012

NASA sees Nadine weaken to a tropical storm again

Tropical Storm Nadine has weakened from a hurricane and is now expected to move toward the south-southeast, potentially affecting the Azores. Wind shear and cooler sea surface temperatures are forecasted to lead to its weakening.

SourceNASA/Goddard Space Flight Center·DateOct 1, 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.

Tropical Storm Maliksi forms, Iwo To on guard

NASA observed Tropical Storm Maliksi forming on Sept. 30 from the 20th tropical depression in the region, with maximum sustained winds near 35 knots (40 mph/65 kph). The storm is expected to pass Iwo To and strengthen into a typhoon by Oct. 3.

SourceNASA/Goddard Space Flight Center·DateOct 1, 2012

Getting CLOSER to cohort studies

The UK Cohorts and Longitudinal Studies Enhancement Resource (CLOSER) aims to maximize the use, value, and impact of nine leading longitudinal studies. By strengthening links between these studies, researchers can make better use of rich data on people's lives, gathered over many years in the UK.

SourceEconomic & Social Research Council·DateOct 1, 2012
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.

Serious child abuse injuries creep up, Yale study shows

A Yale study found a 4.9% increase in hospitalized children due to abuse-related injuries from 1997 to 2009, unlike the 55% decline reported by child protective services agencies. The divergent results raise concerns about reporting changes.

SourceYale University·JournalPEDIATRICS·DateOct 1, 2012

Macrophage accumulation of triglycerides yields insights into atherosclerosis

Research reveals that activated macrophages accumulate triglycerides to support their function, leading to increased pathogen destruction. This finding provides new insights into the development of atherosclerosis and potential approaches to slowing its progression.

SourceFederation of American Societies for Experimental Biology·JournalJournal of Leukocyte Biology·DateOct 1, 2012

The Great Barrier Reef has lost half of its coral in the last 27 years

The Great Barrier Reef has lost over half its coral cover in the last 27 years, primarily due to intense tropical cyclones, population explosions of Crown-of-thorns starfish, and two severe coral bleaching events. The study highlights the need for action to control crown of thorns populations.

SourceScience in Public·JournalProceedings of the National Academy of Sciences·DateOct 1, 2012

End your child's allergy suffering within 3 years

Researchers found that administering immunotherapy for three years can achieve long-term control of allergic asthma and reduce symptoms. After three years, 50 percent of children with dust mite-induced asthma experienced remission, needing reduced or no controller medications.

SourceAmerican College of Allergy, Asthma, and Immunology·DateOct 1, 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.

Phase III data in treatment of renal cell carcinoma reported

Phase III trials have reported promising results for the treatment of renal cell carcinoma, with pazopanib and temsirolimus emerging as effective options. Pazopanib was shown to be non-inferior to sunitinib in controlling metastatic renal cell carcinoma, resulting in fewer troublesome side effects and improved quality of life.

SourceEuropean Society for Medical Oncology·JournalAnnals of Oncology·DateOct 1, 2012

Nano-hillocks: Of mountains and craters

A team of researchers from Helmholtz-Zentrum Dresden-Rossendorf and TU Vienna discovered that highly charged ions can create nano-hillocks or craters on surfaces. The formation depends on the ion beam's charge state and kinetic energy, with nano-hillocks forming at higher energies.

SourceHelmholtz Association·JournalPhysical Review Letters·DateOct 1, 2012
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.

Putting a 'HEX' on muscle regeneration

Researchers found that HEXIM1 blocks gene expression necessary for muscle regeneration after injury, leading to increased muscle mass and function in mice with reduced HEXIM1 levels. This suggests that HEXIM1 may be a key regulator of skeletal muscle regeneration and a potential therapeutic target for degenerative muscle diseases.

SourceJCI Journals·JournalJournal of Clinical Investigation·DateOct 1, 2012

Study reveals how memory load leaves us 'blind' to new visual information

A new study by Professor Nilli Lavie and colleagues found that focusing on remembering an image can lead to 'blindness' in detecting visual information. The research, published in the Journal of Cognitive Neuroscience, reveals a pathway of competition in the brain between new visual information and short-term memory.

SourceWellcome Trust·JournalJournal of Cognitive Neuroscience·DateOct 1, 2012

Duke Medicine news -- Children underrepresented in drug studies

A study published in Pediatrics found that children are underrepresented in clinical trials, with fewer than 5% of trials enrolling kids under 18. This lack of representation can lead to a shortage of data on pediatric therapies and dosages, affecting treatment decisions.

SourceDuke University Medical Center·JournalPEDIATRICS·DateOct 1, 2012