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Science News for November 25, 2013


The British Sexual Health Survey comes of age

The study highlights that many people remain sexually active well into later life and positive sexual experiences are related to overall health and wellbeing. It also shows changes in sexual behaviour over the last century, including earlier onset of sex, increased older people's activity, and a closing gap between men and women.

SourceThe Lancet_DELETED·JournalThe Lancet·DateNov 25, 2013

EORTC Cancer in the Elderly Task Force investigates appropriate treatment for elderly patients

The EORTC task force evaluated physiological reserves and biomarkers of aging in elderly patients with cancer. They identified potential biomarkers that may indicate functional biological age, such as inflammatory markers, telomere length, and genetic predisposition for longevity. The study provides a guideline for integrating these bi...

SourceEuropean Organisation for Research and Treatment of Cancer·JournalJournal of Geriatric Oncology·DateNov 25, 2013

Golden staph paralyzes our immune defenses

Researchers have identified how golden staph bacteria target and destroy key immune cells, disrupting the body's defense against infection. By visualizing this process using advanced microscopy techniques, the team gained insights into how golden staph evades the immune system and causes tissue damage.

SourceCentenary Institute·JournalNature Immunology·DateNov 25, 2013
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.

Nurse navigators help cancer patients cope early in care

A randomized controlled trial found that patients with nurse navigators reported feeling better supported emotionally and more involved in their care. Nurse navigators helped patients develop the confidence and skills to manage their illness and treatment more effectively.

SourceGroup Health Research Institute·JournalJournal of Clinical Oncology·DateNov 25, 2013

Coumarins show potency as anti-inflammatory drugs

Researchers developed new methods for synthesizing coumarin-based drugs, which showed promise as anti-inflammatory agents. The study revealed one of the pathways in which coumarins act, and understanding this pathway may help develop future treatments for chronic inflammation diseases.

SourceUniversity of Eastern Finland·JournalRapid Communications in Mass Spectrometry·DateNov 25, 2013

A touch of garlic helps kill contaminants in baby formula

Researchers discovered two garlic compounds that significantly reduce Cronobacter sakazakii contamination in dry infant formula powder. These compounds have the potential to eliminate the pathogen before it reaches consumers, easing concerns for new mothers who opt not to breastfeed.

SourceUniversity of British Columbia·JournalApplied and Environmental Microbiology·DateNov 25, 2013

Balancing T cell populations

Researchers found that loss of TSC1 in T cells disrupted the balance between regulatory and effector T cells, leading to severe inflammation. The study suggests that fine-tuning mTOR activity through regulators like TSC1 may be beneficial for treating autoimmune and inflammatory diseases.

SourceJCI Journals·JournalJournal of Clinical Investigation·DateNov 25, 2013

Study: Arctic seafloor methane releases double previous estimates

Researchers found that the East Siberian Arctic Shelf is releasing at least 17 teragrams of methane into the atmosphere each year, doubling previous estimates. The rapid release of methane from the seafloor threatens to exacerbate global warming and create a positive feedback loop.

SourceUniversity of Alaska Fairbanks·JournalNature Geoscience·DateNov 25, 2013
Apple iPhone 17 Pro

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

Identifying targets of autoantibodies

Researchers at Stanford University developed a microarray to identify cytokines, chemokines, and other proteins targeted by SLE patients' autoantibodies. They found that patients with high levels of autoantibodies against B cell activating factor (BAFF) experienced more severe symptoms.

SourceJCI Journals·JournalJournal of Clinical Investigation·DateNov 25, 2013

Sounding rocket to peek at atmosphere of Venus

A NASA sounding rocket called VeSpR is scheduled to launch on Nov. 25 to probe Venus' atmosphere and investigate the planet's water history. The mission aims to determine whether rivers once flowed on Venus and if the planet had ice.

SourceNASA/Goddard Space Flight Center·DateNov 25, 2013
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.

Scientists capture 'redox moments' in living cells

Researchers have charted a significant signaling network in Synechococcus, a fast-growing microbe that can produce biofuels. The findings reveal redox reactions that allow the organism to adapt to changing environments and provide insights into its ability to create biofuels.

SourceDOE/Pacific Northwest National Laboratory·JournalACS Chemical Biology·DateNov 25, 2013

Graphic warning labels on cigarette packages reduce smoking rates

US researchers found that graphic warning labels similar to those in Canada would reduce smoking rates by 2.9-4.7 percentage points, resulting in 5.3-8.6 million fewer smokers in the US. The study challenges the FDA's regulatory impact analysis and calls for a revised proposal to require graphic warnings.

SourceUniversity of Illinois Chicago·JournalTobacco Control·DateNov 25, 2013
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.

Dunn Foundation awards bioscience grants

The John S. Dunn Foundation awards seed grants to researchers at Rice University's BioScience Research Collaborative to support new collaborations in cancer diagnosis and treatment, vascular health, and plant-inspired energy conversion. The grants aim to foster interdisciplinary and multi-institutional research.

SourceRice University·DateNov 25, 2013

Nanotubes can solder themselves, markedly improving device performance

University of Illinois researchers have developed a way to heal gaps in wires using carbon nanotubes, which are heated to trigger a local chemical reaction depositing metal to 'solder' the junctions. This process improves device performance by an order of magnitude.

SourceUniversity of Illinois at Urbana-Champaign, News Bureau·JournalNano Letters·DateNov 25, 2013

Study: Contented males fare better with the 'ladies'

A University of Guelph study reveals that male minks raised in enriched environments have better love lives, with nearly twice as many matings. The research found that relaxed males are more successful due to their calmer behavior and physical improvements.

SourceUniversity of Guelph·JournalPLOS ONE·DateNov 25, 2013

Ancient minerals: Which gave rise to life?

A new analysis of Hadean mineralogy suggests that no more than 420 different minerals were present at or near Earth's surface during the first 550 million years after life emerged. These minerals formed from magma and alteration, excluding rare elements such as borate and molybdate minerals.

SourceCarnegie Institution for Science·JournalAmerican Journal of Science·DateNov 25, 2013
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.

US methane emissions exceed government estimates

A study published in PNAS found that US methane emissions are nearly five times higher than previously estimated, with fossil fuel extraction and refining activities accounting for a major contributor. Livestock operations may also be twice as high as previously thought.

SourceHarvard John A. Paulson School of Engineering and Applied Sciences·JournalProceedings of the National Academy of Sciences·DateNov 25, 2013

Cyber resilience metrics needed to meet increased threats

Cyber resilience requires metrics reflecting relationships among system components in physical, information, cognitive and social domains. A new framework proposes combining network-centric operations and resilience response stages to quantify and manage cyber system resilience.

SourceSpringer Science+Business Media·JournalEnvironment Systems & Decisions·DateNov 25, 2013
Meta Quest 3 512GB

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

Got the sniffles? Migraines spike with allergies and hay fever, researchers find

Researchers from the University of Cincinnati found that people with migraines who also have allergies or hay fever experience more severe headaches than those without these conditions. Those with mixed rhinitis, experiencing both allergic and non-allergic triggers, were 45% more likely to endure disabling headaches.

SourceUniversity of Cincinnati·JournalCephalalgia·DateNov 25, 2013

UNC scientists find potential cause for deadly breast cancer relapse

Researchers at UNC School of Medicine have identified Engrailed 1 as a protein overexpressed in basal-like carcinomas, which can lead to chemotherapy resistance. A synthetic peptide designed by Adriana Beltran and colleagues can disrupt Engrailed 1's function, causing rapid cell death.

SourceUniversity of North Carolina Health Care·JournalOncogene·DateNov 25, 2013

Not so dumb

Researchers at the Weizmann Institute of Science have developed a system to investigate microglia functions, revealing their role in shaping neuronal networks and contributing to neurodegenerative diseases. The study uses a genetic switch to target microglia cells, shedding new light on their mechanisms of action.

SourceWeizmann Institute of Science·JournalNature Neuroscience·DateNov 25, 2013

Graphic warnings labels on cigarette packs could lead to 8.6 million fewer smokers in the US

A new study suggests that graphic warning labels on cigarette packs could lead to a significant decrease in smoking rates in the US, with potential reductions of up to 8.6 million smokers. The study found that the FDA's model under-estimated the actual impact of graphic warnings, leading to a sharper decrease in smoking rates in Canada.

SourceUniversity of Waterloo·JournalTobacco Control·DateNov 25, 2013
Celestron NexStar 8SE Computerized Telescope

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

Co-transplanted cells and treadmill training aids rats with spinal cord injury

Researchers found that co-transplanting Schwann cells and olfactory ensheathing cells, combined with daily treadmill training, promotes functional recovery in rats with spinal cord injuries. The study reveals a synergistic benefit of the combined therapy on axonal regeneration and motor function improvement.

SourceCell Transplantation Center of Excellence for Aging and Brain Repair·JournalCell Transplantation·DateNov 25, 2013

Studies find methane emissions in California and US 1.5 times greater than expected

Studies conducted by Berkeley Lab researchers suggest that methane emissions from oil and gas production may account for a significant portion of underestimated emissions in California and nationwide. The research found that methane emissions are 1.3 to 1.8 times higher than current official inventory estimates in California.

SourceDOE/Lawrence Berkeley National Laboratory·JournalProceedings of the National Academy of Sciences·DateNov 25, 2013

EPC secreted factors favorably impact on pancreatic islet cell cotransplantation

Researchers found that co-transplanted endothelial progenitor cells (EPCs) improved the engraftment of pancreatic islet cells in mouse models, leading to a significantly improved cure rate and glycemic control. This study suggests that EPCs modulate the expression of connexin 36 and affect glucose-stimulated insulin release.

SourceCell Transplantation Center of Excellence for Aging and Brain Repair·JournalCell Transplantation·DateNov 25, 2013

Companies that screen social media accounts alienate job candidates

Research from North Carolina State University shows that screening social media accounts can lead to a negative perception of the company among job candidates. In two studies, participants reported feeling their privacy was invaded and becoming less attracted to the employer as a result.

SourceNorth Carolina State University·JournalJournal of Business and Psychology·DateNov 25, 2013

Broken cellular 'clock' linked to brain damage

Researchers found that disabling a circadian clock gene blocks the brain's antioxidant surge, allowing free radicals to cause more damage. This can lead to neurodegeneration and age-related brain cell injury, similar to Alzheimer's disease.

SourceWashU Medicine·JournalJournal of Clinical Investigation·DateNov 25, 2013
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.

Risk of HIV treatment failure present even in those with low viral load

A recent study published in Clinical Infectious Diseases suggests that even those with low viral loads are at risk of treatment failure. Patients with persistent viral loads between 50-999 copies/mL have a significantly higher risk of virologic failure, which can lead to disease progression.

SourceUniversity of Montreal·JournalClinical Infectious Diseases·DateNov 25, 2013

Ready, set, space! -- NASA's GPM satellite begins journey

The Global Precipitation Measurement (GPM) Core Observatory will track global precipitation by combining measurements from multiple satellites. The satellite has undergone rigorous environmental tests and integration to ensure its survival in space.

SourceNASA/Goddard Space Flight Center·DateNov 25, 2013

NSF supports extreme black hole research at RIT with $525,000 grant

Scientists at Rochester Institute of Technology will simulate extreme black holes with support from a $525,000 grant. Their contributions will help advance the international effort to confirm the existence of gravitational waves and black holes, anticipating new field discoveries.

SourceRochester Institute of Technology·DateNov 25, 2013

UCI, Northwestern researchers create compounds that boost antibiotics' effectiveness

UC Irvine and Northwestern researchers develop inhibitor compounds that inhibit neuronal nitric oxide synthase, enhancing the ability of antibiotics to treat bacterial diseases. The compounds demonstrate potential in combating diseases such as MRSA and anthrax by suppressing pathogenic bacteria's resistance to antibiotics.

SourceUniversity of California - Irvine·JournalProceedings of the National Academy of Sciences·DateNov 25, 2013
Fluke 87V Industrial Digital Multimeter

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

Rain as acidic as lemon juice may have contributed to ancient mass extinction

Researchers found that sulfur emissions from massive volcanic eruptions could have created widespread acid rain in the Northern Hemisphere, contributing to plant and organism extinctions. The acidity levels reached as low as pH 2 — comparable to undiluted lemon juice — potentially disfiguring plants and stunting their growth.

SourceMassachusetts Institute of Technology·JournalGeology·DateNov 25, 2013

Important clue to how the circulatory system is wired

An international team of researchers at Karolinska Institutet in Sweden have discovered a new mechanism that regulates the way blood vessels grow and connect to each other. The discovery provides essential insights into vascular development and could lead to new opportunities for cancer therapy.

SourceKarolinska Institutet·JournalProceedings of the National Academy of Sciences·DateNov 25, 2013
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.

UEF study determines reference values for children's heart rate variability

A recent UEF study established reference values for heart rate variability in children, based on a sample of 465 kids aged 6-8. The findings indicate that short ECG recordings can be sufficient for reliable data collection, and show no significant differences between boys and girls.

SourceUniversity of Eastern Finland·JournalClinical Physiology and Functional Imaging·DateNov 25, 2013

2 new beautiful wasp species of the rare genus Abernessia

Two new beautiful wasp species, A. prima and A. capixaba, are discovered in Brazil as part of the rare genus Abernessia. The study reveals a positive correlation between the size of spider prey and the size of wasp offspring, suggesting an adaptation strategy.

SourcePensoft Publishers·JournalZooKeys·DateNov 25, 2013

First large-scale PheWAS study using EMRs provides systematic method to discover new disease association

Researchers used genotype data from 13,835 individuals to perform the first large-scale phenome-wide association study (PheWAS), discovering 63 previously unknown SNP-disease associations. The study validated known associations across hundreds of previous studies and found genes associated with multiple diseases or traits.

SourceVanderbilt University Medical Center·JournalNature Biotechnology·DateNov 25, 2013
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.

Nov. 26, 2013, Annals of Internal Medicine tip sheet

The US Preventive Services Task Force found no evidence that screening for oral cancer by primary care physicians reduces morbidity or mortality. Oral cancer is often diagnosed at advanced stages, highlighting the importance of earlier diagnosis.

SourceAmerican College of Physicians·JournalAnnals of Internal Medicine·DateNov 25, 2013

NASA catches Tropical Cyclone Lehar over the Andaman Islands

Tropical Cyclone Lehar formed off the Malay Peninsula on November 23, strengthening into a tropical cyclone as it moved towards the Andaman Islands. NASA's Terra satellite captured an image of the storm on November 25, showing maximum sustained winds near 65 knots/74.8 mph.

SourceNASA/Goddard Space Flight Center·DateNov 25, 2013

Electronic cigarettes: New route to smoking addiction for adolescents

A new study by UC San Francisco researchers found that e-cigarette use is associated with heavier cigarette smoking and lower quit rates among Korean youth. The study suggests that e-cigarettes may be creating a new route to nicotine addiction for kids.

SourceUniversity of California - San Francisco·JournalJournal of Adolescent Health·DateNov 25, 2013

2 Cleveland Clinic researchers honored for contribution to science

Two Cleveland Clinic researchers, Dr. Richard A. Padgett and Dr. Edward F. Plow, have been named AAAS Fellows for their distinguished contributions to the field of RNA processing and vascular biology. Their research aims to understand how errors in RNA splicing lead to disease, such as cancer, and develop new treatments.

SourceCleveland Clinic·JournalScience·DateNov 25, 2013
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.

Lowering stand density reduces mortality of ponderosa pine stands

Researchers found that site quality affects the relationship between density and mortality in ponderosa pine stands. Thinning forest stands can reduce fuel buildup and enhance growth of residual trees, while early shrub removal and tree density control are most effective ways to reduce fuel buildup.

SourceUSDA Forest Service - Pacific Southwest Research Station·JournalCanadian Journal of Forest Research·DateNov 25, 2013

2-way traffic enables proteins to get where needed, avoid disease

Researchers found that messenger RNA can take a two-way journey down the cell's cytoskeleton, delivering proteins to specific locations and avoiding diseases such as Alzheimer's, cancer, and Fragile X syndrome. This flexible navigation allows mRNA to bypass obstacles and reach its intended destination.

SourceMedical College of Georgia at Augusta University·JournalPLOS ONE·DateNov 25, 2013

Women directors better at mergers and acquisitions

A new study published in the Journal of Corporate Finance reveals that female board members significantly impact merger and acquisition transactions, reducing company costs and increasing shareholder value. With each additional female director, companies pay less for acquisitions and attempt fewer takeover bids.

SourceUniversity of British Columbia·JournalJournal of Corporate Finance·DateNov 25, 2013
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.

Study finds 1 in 10 high school students hurt by dating partners

A new study published in the Journal of School Violence reveals that nearly 10% of US high school students have been physically hurt by their romantic partners in the past year. The prevalence rate has remained stable over the past 12 years, with black and multiracial youth being disproportionately affected.

SourceBoston University School of Medicine·JournalJournal of School Violence·DateNov 25, 2013

JCI early table of contents for Nov. 25, 2013

Researchers found that LIF levels were predictive of NPC patient response to radiation therapy, with patients having higher serum levels of LIF being resistant to treatment. LIF itself promotes NPC progression and radioresistance. Circadian clock proteins BMAL1 also regulate redox proteins preventing oxidative stress damage in neurons.

SourceJCI Journals·JournalJournal of Clinical Investigation·DateNov 25, 2013
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.

Drug interactions causing a significant impact on statin use

A study found that people taking statin drugs often take an average of three other medications that can cause muscle pain and lead to discontinued use, a major contributor to the side effect. Researchers recommend adjusting dosages or choosing alternative medications to minimize interactions.

SourceOregon State University·JournalJournal of Clinical Lipidology·DateNov 25, 2013

Bad proteins branch out

Rice University researchers used computer models to study the behavior of misfolded proteins, finding that they can form branching structures similar to those found in spider silk. These structures may be an early stage in the formation of amyloid plaques associated with Alzheimer's disease.

SourceRice University·JournalProceedings of the National Academy of Sciences·DateNov 25, 2013

Breastfeeding provides babies with iodine

Researchers found that giving an iodine capsule to breastfeeding mothers is more effective in providing their babies with the essential trace element than administering it directly to the infant. However, both methods have limitations and do not guarantee sufficient iodine intake for both mother and child.

SourceETH Zurich·JournalThe Lancet Diabetes & Endocrinology·DateNov 25, 2013

Turning autism upside down: When symptoms are strengths

A novel approach to treating autism spectrum disorder teaches affected children to control their autonomic nervous system using computerized biofeedback and clinical hypnosis. The method recognizes symptoms as an effort to self-regulate inner turmoil, allowing children to feel better and be more socially engaging.

SourceRochester Institute of Technology·JournalAmerican Journal of Clinical Hypnosis·DateNov 25, 2013
Sky-Watcher EQ6-R Pro Equatorial Mount

Sky-Watcher EQ6-R Pro Equatorial Mount provides precise tracking capacity for deep-sky imaging rigs during long astrophotography sessions.

Dysfunctional mitochondria may underlie resistance to radiation therapy

A team of researchers discovered that abnormal mitochondria may be responsible for cancer cells' resistance to radiation therapy. The study found that a mutation in the E2F gene led to dysfunctional mitochondria that produced less energy, making cancer cells more resistant to radiation-induced cell death.

SourceUniversity of Illinois Chicago·JournalDevelopmental Cell·DateNov 25, 2013

One-third of older adults admitted to ICU deemed 'frail'

A third of older adults admitted to the ICU were classified as frail, increasing their risk of death, illness, and adverse events. Frailty is characterized by a loss of physical and mental strength, making patients more vulnerable to complications.

SourceCanadian Medical Association Journal·JournalCanadian Medical Association Journal·DateNov 25, 2013

A step closer to composite-based electronics

A new study demonstrates that electrical resistivity in composite materials follows a staircase-like pattern with increasing conducting particle concentration. The findings, published in European Physical Journal B, use percolation theory to explain the discrete series of resistances observed.

SourceSpringer·JournalThe European Physical Journal B·DateNov 25, 2013

Circadian clock proteins maintain neuronal cell function

A study published in JCI Journals found that circadian clock proteins regulate neuronal redox homeostasis and prevent neurodegeneration. BMAL1-deficient mice showed accumulated astrocytes, neuronal degeneration, and reduced blood flow, highlighting the importance of core clock proteins in maintaining healthy neurons.

SourceJCI Journals·JournalJournal of Clinical Investigation·DateNov 25, 2013
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.

Experiencing awe increases belief in the supernatural

Research suggests that awe-inspiring sights can motivate people to seek explanations for the world, potentially leading to a stronger belief in the supernatural. Participants who watched awe-inspiring videos showed increased comfort with supernatural control and were more likely to believe in God.

SourceAssociation for Psychological Science·JournalPsychological Science·DateNov 25, 2013
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.

Breaking the brain clock predisposes nerve cells to neurodegeneration

Researchers found that disrupting a core clock gene in mice accelerated oxidative stress and inflammation in nerve cells, raising possibilities for therapeutic approaches to delay neurodegeneration. The study suggests the molecular clock plays a crucial role in protecting the brain from damage.

SourceUniversity of Pennsylvania School of Medicine·JournalJournal of Clinical Investigation·DateNov 25, 2013

Study shows marijuana's potential for treating autoimmune disorders

Researchers at University of South Carolina discover THC influences microRNAs, altering gene expression and potentially treating arthritis, multiple sclerosis, and type 1 diabetes. The study identifies specific microRNA targets for controlling inflammation and immune response.

SourceUniversity of South Carolina·JournalJournal of Biological Chemistry·DateNov 25, 2013

Cervical cancer screening overused in some groups of women

A recent study found that nearly two-thirds of women who have had hysterectomies and half of women over 65 with no cervical cancer history received unnecessary Pap tests. The U.S. Preventive Services Task Force has recommended against these groups for the test since 2003.

SourceUniversity of Utah Health·JournalJAMA Internal Medicine·DateNov 25, 2013

Drug regimen may eliminate colonization with superbug CRE

Researchers developed a drug regimen that eradicated CRE colonization in 44% of patients, significantly reducing mortality rates. The treatment was found to be safe and effective for eliminating the carrier state, which can reduce patient-to-patient transmission.

SourceAssociation for Professionals in Infection Control·JournalAmerican Journal of Infection Control·DateNov 25, 2013

Embolization procedure aids in weight loss

A new study reports that individuals who underwent left gastric artery embolization experienced a 7.9% decrease in body weight, highlighting potential new avenue for obesity research. The procedure blocks the production of ghrelin, leading to decreased appetite and weight loss.

SourceRadiological Society of North America·DateNov 25, 2013
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.

Flashes of brilliance

Researchers at Rice University discovered the mechanism behind superfluorescent bursts in quantum wells, enabling compact semiconductor devices to produce picosecond pulses of light. The discovery may lead to new telecommunications equipment and other devices transmitting signals at picosecond speeds.

SourceRice University·JournalScientific Reports·DateNov 25, 2013

Maternal mood disorder and newborn neurobehavior

Researchers investigated epigenetic changes in response to maternal cortisol exposure, finding support for prenatal transmission of risk for poor neurodevelopmental outcomes. This study highlights the importance of treating maternal prenatal depression and anxiety to mitigate newborn behavioral problems.

SourceLandes Bioscience·JournalEpigenetics·DateNov 25, 2013

Extrovert and introvert children are not equally influenced by plate size

A study by Cornell Food & Brand Lab found that extraverted kids are more influenced by bowl sizes, serving 33.1% more cereal when given a large bowl compared to introverts, who served only 5.6% more. When served by adults, all kids requested more cereal in the large bowl, highlighting the impact of personality traits on portion control.

SourceCornell Food & Brand Lab·JournalPLOS ONE·DateNov 25, 2013
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.

7 Texas A&M professors elected AAAS Fellows

Seven Texas A&M faculty members have been recognized by the American Association for the Advancement of Science (AAAS) for their contributions to various fields. They include Nancy M. Amato, Perla Beatriz Balbuena, Raymond J. Carroll, Jonathan C. Coopersmith, Bani K. Mallick, H. Joseph Newton, and Matthew S. Sachs.

SourceTexas A&M University·DateNov 25, 2013

Health Affairs Web First articles look at health care across many countries

A Web First article by Health Affairs explores Shanghai's cutting-edge health care reforms and their successes and challenges. The study also reveals that the United States has the most complex insurance system among eleven countries surveyed, making it difficult for citizens to access care due to cost and time-consuming complexities.

SourceHealth Affairs·JournalHealth Affairs·DateNov 25, 2013

Video game play may provide learning, health, social benefits, review finds

A review of research suggests that video game play can enhance cognitive skills such as spatial navigation and problem-solving. Playing video games is also found to promote relaxation, reduce anxiety and improve emotional resilience in children. Additionally, gaming communities provide opportunities for social interaction and cooperation.

SourceAmerican Psychological Association·JournalAmerican Psychologist·DateNov 25, 2013

Bonding together to fight HIV

A collaborative team, led by Prof. Mark Williams, reveals how the APOBEC3G protein forms a roadblock to prevent HIV replication, offering new avenues for HIV therapy and drug development.

SourceNortheastern University College of Science·JournalNature Chemistry·DateNov 25, 2013
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.

Virginia Tech plant scientist named AAAS Fellow

John Jelesko, an associate professor of plant pathology and physiology at Virginia Tech, has been recognized as an AAAS Fellow for his distinguished contributions to the field of plant specialized metabolism. His research has led to a better understanding of plant metabolism with significant implications for the pharmaceutical industry.

SourceVirginia Tech·JournalScience·DateNov 25, 2013

Hands off -- please

Researchers from Max Planck Institute for Ornithology found that friendly labels reduced interaction with equipment, with 40% less interference compared to neutral or threatening labels. The study suggests that friendly messages could minimize the number of incidences of vandalism and theft.

SourceMax-Planck-Gesellschaft·JournalMethods in Ecology and Evolution·DateNov 25, 2013

Using microRNA fit to a T (cell)

Scientists have engineered B cells to synthesize and deliver microRNA, a non-coding RNA that can be used to introduce or inhibit specific proteins. This achievement may lead to new therapeutic applications, including vaccination and cancer treatment.

SourceUniversity of California - San Diego·JournalProceedings of the National Academy of Sciences·DateNov 25, 2013

Chromosomes show off their shapes

A new method combines high-throughput DNA sequencing and computer analysis to produce reliable maps describing contacts between genes along individual chromosomes. The results suggest that the arrangement of genes on chromosomes is modular and based on their functions, with active genes exposed at chromosome boundaries.

SourceWeizmann Institute of Science·JournalNature·DateNov 25, 2013
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.

UTMB researchers find ear infections down, thanks to vaccine

Researchers found a sharp downward trend in ear infection visits between 2004 and 2011, coinciding with the advent of PCV-13 vaccine in 2010. This trend was most pronounced in children under 2 years old. The study suggests that medical interventions, especially vaccines, have reduced the burden of otitis media in US children.

SourceUniversity of Texas Medical Branch at Galveston·JournalJAMA Pediatrics·DateNov 25, 2013

Increasing cropping frequency offers opportunity to boost food supply

A new study found that increasing cropping frequency could boost global food production by up to 44% on existing agricultural lands. Harvest gaps, the difference between actual and maximum potential harvest frequencies, are highest in Africa, Latin America, and Asia.

SourceUniversity of Minnesota·JournalEnvironmental Research Letters·DateNov 25, 2013
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.

Tidy knots are faster

Researchers studied the release of genetic material from viral capsids into host cell nuclei, finding that highly ordered DNA strands exit faster than tangled ones. The study's findings have implications for designing artificial viral vectors and understanding complete DNA stalling in experiments.

SourceInternational School of Advanced Studies (SISSA)·JournalProceedings of the National Academy of Sciences·DateNov 25, 2013

Latest research findings offer potential new treatments for acute myeloid leukemia

Researchers discovered Sox4 as a potential therapeutic target and histone deacetylase inhibitors as candidates in the treatment of AML. The studies also found that targeting Sox4 effectively perturbs major leukemogenic phenotypes and reactivates expression of genes responsible for blocking growth of healthy blood cells.

SourceNational University of Singapore·JournalCancer Cell·DateNov 25, 2013

When the living and the deceased don't agree on organ donation

A new study reveals that US organ procurement organizations' implementation of First Person Authorization (FPA) has been inconsistent and incomplete. Despite legal backing from state laws, half the groups surveyed did not have a written policy for handling family objections.

SourceUniversity of Chicago Medical Center·JournalAmerican Journal of Transplantation·DateNov 25, 2013

Ludwig scientist Bing Ren elected fellow of AAAS

Bing Ren has been awarded the distinction of Fellow by the American Association for the Advancement of Science (AAAS) for his outstanding contributions to genome-wide analysis and understanding of human disease. He is a member of the Ludwig Institute for Cancer Research and has directed various projects, including the Roadmap Epigenome...

SourceLudwig Institute for Cancer Research·JournalScience·DateNov 25, 2013

Insights into type 2B von Willebrand disease

A study published in the Journal of Clinical Investigation reveals that type 2B von Willebrand disease is associated with platelet dysfunction. Researchers found that a mutation in the von Willebrand factor protein can inhibit platelet activation and promote thrombocytopathy.

SourceJCI Journals·JournalJournal of Clinical Investigation·DateNov 25, 2013
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.

NASA sees Tropical Cyclone Alessia make landfall near Darwin

Tropical Cyclone Alessia made landfall in northern Australia as a weak storm, with NASA's TRMM satellite capturing mostly light rain and moderate rainfall. The cyclone dissipated quickly after crossing the Northern Territory coast, causing no damages or significant impacts.

SourceNASA/Goddard Space Flight Center·DateNov 25, 2013

Einstein-Ferkauf researchers secure $2.5 million NIH grant to study diabetes self-management and behavioral interventions

Einstein-Ferkauf researchers have been awarded a $2.5 million NIH grant to develop a telephone-based approach to improving diabetes self-management and treatment outcomes in primary care. The program aims to reduce complications, emotional distress, and improve medication adherence among patients with type 2 diabetes.

SourceAlbert Einstein College of Medicine·DateNov 25, 2013

Beyond encryption: Stronger security for wireless communications

Researchers at TUM have devised a scheme that wrings provably strong security out of the physical layer, preventing eavesdroppers from receiving transmitted information. The approach uses two useless frequency bands to 'super-activate' the system and achieve positive capacity for secure communication.

SourceTechnical University of Munich (TUM)·JournalIEEE Transactions on Information Forensics and Security·DateNov 25, 2013
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.

Methane emissions vastly surpass previous estimates

A new study published in PNAS found that total US methane emissions may be 50% higher than government estimates, with large discrepancies in the south-central region. The study's findings have implications for national and state greenhouse gas reduction strategies.

SourceCarnegie Institution for Science·JournalProceedings of the National Academy of Sciences·DateNov 25, 2013

New tales told by old infections

A recent study by Uppsala University researchers mapped nearly 90,000 ERVs from 60 host genomes, revealing a host reservoir for one group of retroviruses with rampant host switching throughout history. This finding adds credence to the possibility that many additional retroviruses may remain to be discovered in vertebrate species.

SourceUppsala University·JournalProceedings of the National Academy of Sciences·DateNov 25, 2013

The reality behind Europe's response to climate change

A study of 200 urban areas in eleven European countries found that one in every three cities has no plans to reduce greenhouse gas emissions, while seven in ten have no formal adaptation plans. Cities are crucial in addressing climate change due to their significant emission contributions and vulnerability to climate hazards.

SourceSpringer·JournalClimatic Change·DateNov 25, 2013

Key guidance document released on transcatheter therapies for mitral regurgitation

The Transcatheter Therapies for Mitral Regurgitation Societal Overview highlights critical components of successful treatments, including operator training, protocols for care, and assessment of outcomes. It emphasizes the importance of a high-volume center setting and careful data collection through registries.

SourceAmerican College of Cardiology·JournalJournal of the American College of Cardiology·DateNov 25, 2013
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.

Making sense of sensation in autism

Researchers found that occupational therapy using sensory integration (OT-SI) provided better outcomes than standard care for children with autism. OT-SI therapy helps improve processing of sensation, leading to better participation in everyday activities.

SourceThomas Jefferson University·JournalJournal of Autism and Developmental Disorders·DateNov 25, 2013

ERC grant awarded to physicist Florian Schreck

Florian Schreck has received the ERC Consolidator Grant for his research on quantum many-body systems. His team will investigate new phenomena using strontium atoms, which have unique properties that allow for precise measurement and new material discoveries. This award recognizes Schreck's outstanding research results in Innsbruck.

SourceUniversity of Innsbruck·DateNov 25, 2013

Research: Materialism makes bad events even worse

Research by University of Illinois expert Aric Rindfleisch found that materialistic individuals experience higher levels of post-traumatic stress, compulsive buying, and impulsive purchasing after traumatic events. Materialism amplifies distress and impairs coping mechanisms.

SourceUniversity of Illinois at Urbana-Champaign, News Bureau·JournalJournal of the Academy of Marketing Science·DateNov 25, 2013

ADHD study: Expensive training programs don't help kids' grades, behavior

A study analyzing 25 research studies found that computer-based training programs for ADHD have no significant long-term impact on children's cognitive abilities or behavior. However, the researchers suggest that future programs focused on working memory may be effective if designed to improve this aspect of brain functioning.

SourceUniversity of Central Florida·JournalClinical Psychology Review·DateNov 25, 2013

Swarming insect provides clues to how the brain processes smells

Researchers used locusts to demonstrate how the brain processes multiple odors simultaneously, recognizing patterns and adapting to new cues. The findings shed light on principles of olfactory computation and have potential applications in medical diagnostics and non-invasive chemical sensing.

SourceWashington University in St. Louis·JournalNature Neuroscience·DateNov 25, 2013

How scavenging fungi became a plant's best friend

The analysis of Rhizophagus irregularis genome reveals its unique ability to capture phosphorus and communicate with plants through cell-to-cell signaling. The fungus has retained much of its metabolic machinery, unlike many other obligate parasitic organisms.

SourceDOE/Joint Genome Institute·JournalProceedings of the National Academy of Sciences·DateNov 25, 2013

Teens 'eat more, cheat more' after playing violent video games

Research at Ohio State University found that teenagers who played violent video games ate more chocolate, stole raffle tickets, and showed less self-control. Teens with high moral disengagement were most likely to engage in these behaviors.

SourceOhio State University·JournalSocial Psychological and Personality Science·DateNov 25, 2013

The mushrooms, my friend, are blowing in the wind...

Researchers found that mushrooms release water vapor to cool the air locally, creating convective cells that lift spores away from the fungus. This process allows mushrooms to spread their spores even in adverse conditions.

SourceAmerican Institute of Physics·DateNov 25, 2013

Ultra-sensitive force sensing with a levitating nanoparticle

Scientists have created a new class of nano-mechanical oscillators that are ultra-sensitive to forces, including non-Newtonian gravity-like forces and quantum vacuum fluctuations. The system uses optically levitated nanoparticles in high vacuum conditions, overcoming the limitation of physical contact to a support.

SourceICFO-The Institute of Photonic Sciences·JournalNature Physics·DateNov 25, 2013

Super SQUID

Researchers have developed a nano-SQUID-on-tip that measures magnetic fields at distances as small as a few nanometers from the sample, breaking the record for sensitivity and resolution. This tiny device may also enable measuring the magnetic field from the spin of a single electron, a major breakthrough in magnetic imaging.

SourceWeizmann Institute of Science·JournalNature Nanotechnology·DateNov 25, 2013

Government grants reduce HIV risks for teenage girls in South Africa

A large-scale study found that government grants in South Africa significantly reduce the risk of sugar daddy relationships among teenage girls, which is a major cause of HIV infection. The study suggests that providing financial security to girls through child support grants can empower them to make safer choices.

SourceUniversity of Oxford·JournalThe Lancet Global Health·DateNov 25, 2013

Postmenopausal estrogen decline largely unrelated to changes in cognition, mood, Stanford study finds

A new Stanford University School of Medicine study found that decreased estrogen levels after menopause are largely unrelated to changes in cognitive ability and mood. However, the researchers discovered a possible link between levels of another hormone — progesterone — and cognition among younger postmenopausal women.

SourceStanford Medicine·JournalProceedings of the National Academy of Sciences·DateNov 25, 2013

PCBs still affecting our health decades later

A study by University of Montreal researcher Maryse Bouchard found a significant association between PCB levels and cognitive abilities among individuals aged 70-84 years. Higher exposure to PCBs in older age groups led to greater diminution in cognition, particularly in women.

SourceUniversity of Montreal·JournalEnvironmental Health Perspectives·DateNov 25, 2013

Search for habitable planets should be more conservative

Recent research suggests that the frequency of Earth-like planets in habitable zones around M-dwarfs is 0.4-0.5, requiring surveying about 10 cool stars. A conservative approach would focus on surface water, as subsurface water testing is impossible to verify remotely.

SourcePenn State·JournalProceedings of the National Academy of Sciences·DateNov 25, 2013

Killer cocktail fights brain cancer

Researchers at Rockefeller University Press develop a novel two-pronged approach to combat glioblastoma, a highly aggressive form of brain cancer. By combining interleukin-12 with a CTLA-4 blocking drug, the cocktail successfully eradicated tumors in mice, showing promise for future treatment.

SourceRockefeller University Press·JournalJournal of Experimental Medicine·DateNov 25, 2013

Underestimated future climate change?

A new study by Thomas Frölicher suggests that the Earth's atmosphere could continue to warm for hundreds of years after a complete stop of CO2 emissions, leading to a 25% increase in global temperature. The ESM2M climate model reveals that regional ocean heat uptake is crucial in understanding the effects of climate change.

SourceETH Zurich·JournalNature Climate Change·DateNov 25, 2013

Dying from a food allergy is less likely than being murdered

A new study found that dying from a food allergy is less likely than being murdered, with risks of 1.81 in a million and 3.25 in a million for adults and children respectively. The study aimed to put the risk of anaphylaxis into perspective, as anxiety and quality of life impacts are significant concerns.

SourceImperial College London·DateNov 25, 2013

Archaeological discoveries confirm early date of Buddha's life

Archaeological excavations at Lumbini, Nepal have uncovered a previously unknown sixth-century B.C. timber structure dating back to the birthplace of the Buddha. The discovery confirms an earlier date for the life of the Buddha than previously thought and sheds light on the early development of Buddhism.

SourceNational Geographic Society·JournalAntiquity·DateNov 25, 2013

A plant which acclimatizes with no exterior influence

A team at the University of Geneva has generated a transgenic plant that constantly detects and responds to UV-B rays, producing high levels of antioxidants and flavonoids. This plant is equipped with an UVR8 mutated receptor, which remains active even without UV exposure.

SourceUniversité de Genève·JournalProceedings of the National Academy of Sciences·DateNov 25, 2013

The collared treerunner is more than a single species

Researchers describe four new species formerly grouped under the collared treerunner, highlighting genetic and morphological differences among populations. The discovery underscores the importance of biodiversity conservation efforts in addressing species extinctions.

SourcePensoft Publishers·JournalZooKeys·DateNov 25, 2013

New immunotherapy for malignant brain tumors

Researchers developed a new immunotherapy approach that successfully treated glioblastoma, a fatal brain tumor, by stimulating the immune system and inducing tumor rejection. The treatment, combining intra-tumoral Interleukin-12 with CTLA-4 blockade, achieved a success rate of up to 80% in preclinical trials.

SourceUniversity of Zurich·JournalJournal of Experimental Medicine·DateNov 25, 2013

Oxytocin leads to monogamy

Researchers found that oxytocin administration increases attractiveness of partner and strengthens monogamy by stimulating brain's reward center. The study suggests a biological mechanism for maintaining love relationships.

SourceUniversity of Bonn·JournalProceedings of the National Academy of Sciences·DateNov 25, 2013

Rice scientists ID new catalyst for cleanup of nitrites

Researchers at Rice University have discovered a new catalyst that can rapidly break down nitrites, a harmful contaminant found in drinking water. Gold-palladium nanocatalysts are up to 15 times more efficient than pure palladium nanocatalysts in breaking down nitrites.

SourceRice University·JournalNanoscale·DateNov 25, 2013

Controlling our circadian rhythms

A new study in The Journal of General Physiology has shed light on the biophysical processes underlying regulation of circadian rhythms. Researchers found that decreased BK channel activity, particularly a specific variant containing SRKR, contributes to reduced SCN neuron excitability during the day.

SourceRockefeller University Press·JournalJournal of General Physiology·DateNov 25, 2013