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Science News Archive October 2012


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.

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.

Apple iPhone 17 Pro

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

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

Fluke 87V Industrial Digital Multimeter

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

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.

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...

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.

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.

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.

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.

Celestron NexStar 8SE Computerized Telescope

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

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.