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Science News Archive 2014 - Page 354


Page 354 of 376

UA researchers find culprit behind skeletal muscle disease

A University of Arizona researcher has shown that genetic mutations in the titin gene can cause skeletal muscle myopathy, a disease characterized by muscle weakness. The study, published in the Journal of General Physiology, could be an important step in developing treatments for this condition.

SourceUniversity of Arizona·JournalJournal of General Physiology·DateJan 28, 2014
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.

Effective control of invasive weeds can help attempts at reforestation in Panama

A team of scientists from Australia and Panama examined the reproductive mechanisms of Saccharum spontaneum to develop better management strategies. The study found that cutting stems into smaller pieces can help prevent flowering and seed dispersal, while timing management actions during specific seasons can also be effective.

SourcePensoft Publishers·JournalNeoBiota·DateJan 28, 2014

Resetting the metabolic clock

Researchers at UC Santa Barbara gained insight into factors affecting mammalian circadian oscillations, which could lend themselves to circadian regulation and pharmacological control. Their work suggests that high-amplitude circadian rhythms are associated with a lower risk of diseases like diabetes and obesity.

SourceUniversity of California - Santa Barbara·JournalProceedings of the National Academy of Sciences·DateJan 28, 2014

Low levels of pro-inflammatory agent help cognition in rats

Research found that neutralizing a specific cytokine in the brain impaired cognitive flexibility in stressed and nonstressed rats. However, restoring low levels of this cytokine in a specific region of the brain corrected the deficit.

SourceUniversity of Texas Health Science Center at San Antonio·DateJan 28, 2014

80 million SEK study seeks to explain what drives our appetites

A five-year research initiative aims to understand the impact of hunger, emotions, stress, and economic factors on food choices. The Nudge-it programme will examine how eating habits develop and provide better evidence for public health policies promoting healthy diets.

SourceUniversity of Gothenburg·DateJan 28, 2014
Apple iPhone 17 Pro

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

Good outcomes with staged surgery for epilepsy in children

A staged approach to epilepsy surgery in children is a safe and effective treatment option, with complications decreasing as surgeons gain experience. The study found that the benefits of staged surgery outweigh the risks, making it an important treatment option for complex cases of childhood epilepsy.

SourceWolters Kluwer Health·JournalNeurosurgery·DateJan 27, 2014

Study on DSM-5 shows effects on autism diagnosis and prevalence

A new study found that combining autism with social communication disorder (SCD) would decrease estimated prevalence under DSM-5 criteria. The researchers discovered that 83% of children diagnosed with autism under the DSM-IV would also receive the diagnosis under DSM-5, while 14% were diagnosed with SCD.

SourceAutism Speaks·JournalJournal of the American Academy of Child & Adolescent Psychiatry·DateJan 27, 2014

Put a plastic bag in your tank

Researchers in India have developed a low-temperature process to convert LDPE into liquid fuel, releasing carbon-rich molecules that are similar to conventional petrochemical fuels. The process uses kaolin catalyst and can produce up to 700 grams of liquid fuel per kilogram of waste plastic.

SourceInderscience Publishers·JournalInternational Journal of Environment and Waste Management·DateJan 27, 2014
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.

How did we get 4 limbs? Because we have a belly

Researchers propose that fins and limbs develop from the area surrounding the belly due to the interaction of ectodermal tissues with mesoderm layers. This model, published in Evolution & Development, suggests that epigenetic factors play a crucial role in shaping embryonic development and ultimately giving rise to paired appendages.

SourceUniversity of Vienna·JournalEvolution & Development·DateJan 27, 2014

Pesticide exposure linked to Alzheimer's disease

A Rutgers University study links pesticide exposure to increased Alzheimer's disease risk, particularly in those over 60. Higher levels of the DDT compound were found in late-onset Alzheimer's patients' blood compared to controls.

SourceRutgers University·JournalJAMA Neurology·DateJan 27, 2014
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.

U of Tennessee research finds link between alcohol use and domestic violence

Studies conducted by University of Tennessee researchers found a strong link between alcohol consumption and increased risk of physical, psychological, and sexual abuse in intimate partner relationships. In contrast, marijuana use was not associated with an increased risk of violence. The findings suggest that domestic violence prevent...

SourceUniversity of Tennessee at Knoxville·JournalPsychology of Addictive Behaviors·DateJan 27, 2014

Cannabis during pregnancy endangers fetal brain development

A study published in the EMBO Journal found that cannabis consumption during pregnancy can lead to defective nerve cell development, affecting higher cognitive functions and memory formation. The study identified THC as a key contributor to these developmental deficits.

SourceKarolinska Institutet·JournalThe EMBO Journal·DateJan 27, 2014

New biomedical diagnostics using personalized 3-D imaging

Researchers at Universidad Carlos III de Madrid have developed a new biomedical diagnostic tool using personalized 3D imaging, enabling faster and more precise images of living organisms. This innovative technology has the potential to revolutionize medicine and basic research applications.

SourceUniversidad Carlos III de Madrid·JournalOptics Express·DateJan 27, 2014

Health care savings: Reducing inappropriate antibiotic prescriptions

A new study at the University of Southern California found that a signed commitment letter in exam rooms lowered inappropriate antibiotic prescriptions for cold symptoms by nearly 20%. This simple intervention, displayed in both English and Spanish, saved $70 million/year in drug costs alone.

SourceUniversity of Southern California·JournalJAMA Internal Medicine·DateJan 27, 2014
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.

Do brain connections help shape religious beliefs?

A new study found that causal brain networks involved in fear regulation, imagery, and affect are also used for cognitive processing of religious beliefs. These basic networks evolved to mediate complex beliefs like those contained in religious practice.

SourceMary Ann Liebert, Inc./Genetic Engineering News·JournalBrain Connectivity·DateJan 27, 2014

Annals of Internal Medicine tip sheet for Jan. 27, 2014

The American College of Physicians has published new research on MERS, highlighting the need for better understanding and collaboration to combat its potential as a major public health threat. Guidelines for cholesterol treatment have also been released, sparking debate among physicians, while expert advice is offered on effective scre...

SourceAmerican College of Physicians·JournalAnnals of Internal Medicine·DateJan 27, 2014

Unexpected player in regulation of blood cholesterol levels

Researchers discovered that kinesin KIF13B concentrates at the cell membrane where LDL is taken up, and promotes endocytosis of LRP1 through caveolae. This unexpected role for a motor protein reveals a new mechanism for regulating blood cholesterol levels.

SourceRockefeller University Press·JournalJournal of Cell Biology·DateJan 27, 2014

Expanding our view of vision

Researchers have noninvasively mapped human brain activity with unique accuracy, identifying both location and timing of brain processes. The study used a novel brain-scanning technique combining fMRI and MEG data to pinpoint when the brain recognizes objects and categorizes them.

SourceMassachusetts Institute of Technology·JournalNature Neuroscience·DateJan 27, 2014
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.

HIV medications dialogue differs by race, ethnicity

A new study found differences in doctor-patient dialogue about HIV drug adherence depending on patients' race and ethnicity. Black patients experienced significant provider dominance, while Hispanic patients had more extensive dialogues about adherence.

SourceBrown University·JournalAIDS and Behavior·DateJan 27, 2014

New method rescues DNA from contaminated Neandertal bones

A new statistical model has been developed to isolate ancient DNA from fossils contaminated with modern-day DNA. This method allows for the recovery of complete mitochondrial genomes from Neandertal and anatomically modern human bones, enabling scientists to study these individuals in detail.

SourceUppsala University·JournalProceedings of the National Academy of Sciences·DateJan 27, 2014

Solving a 30-year-old problem in massive star formation

A team of researchers has confirmed a long-standing puzzle about the birth of massive stars, showing that dense filamentary structures absorb ultraviolet radiation and shield surrounding gas. The findings provide new insights into how massive stars form and influence their host galaxies.

SourceAmerican Museum of Natural History·JournalThe Astrophysical Journal Letters·DateJan 27, 2014
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.

A silk coat for diamonds makes sleek new imaging and drug delivery tool

Researchers have developed new silk-coated diamond particles that can be injected into living cells to provide a novel technique for biological imaging and drug delivery. The silk coating enhances the brightness of the nanodiamonds while preserving their optical properties, making them safe for use in the body.

SourceOptica·JournalBiomedical Optics Express·DateJan 27, 2014

Protecting the skin from sun exposure

Researchers have identified a specific protein involved in mediating the skin's response to UVR and found that the signal transduction cascade resembles a light-activated pathway in the eye. This new insight into the molecular pathway underlying UVR detection could lead to improved sun protection methods.

SourceRockefeller University Press·JournalJournal of General Physiology·DateJan 27, 2014

A trigger for muscular diseases

Researchers found that increasing titin's stiffness can be a trigger for pathological changes in skeletal muscles. The team used a mouse model lacking nine titin Ig domains to investigate the effects of increased stiffness, revealing that this can lead to muscle atrophy and contractility changes.

SourceRockefeller University Press·JournalJournal of General Physiology·DateJan 27, 2014

Visual system can retain considerable plasticity after extended blindness

A study by Mass Eye and Ear researchers found significant plasticity in the visual system after extended blindness, leading to improvements in contrast sensitivity tests. The findings suggest that the critical period for vision development may be longer than previously thought.

SourceMass Eye and Ear·JournalProceedings of the National Academy of Sciences·DateJan 27, 2014
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.

Successful regeneration of human skeletal muscle in mice

Researchers at Kennedy Krieger Institute have successfully developed a humanized preclinical model for FSHD, mirroring gene expression and biomarker profiles of human tissue. The model enables the study of muscle regeneration over time and prediction of clinical response to therapeutic drugs.

SourceKennedy Krieger Institute·JournalHuman Molecular Genetics·DateJan 27, 2014

Research uncovers historical rise, fall and re-emergence of plague strains

Researchers discovered two devastating pandemics, the plague of Justinian and the Black Death, were caused by distinct strains of the same pathogen. The strain that helped bring an end to the Roman Empire faded out on its own, while the other led to worldwide re-emergence in the late 1800s.

SourceNorthern Arizona University·JournalThe Lancet Infectious Diseases·DateJan 27, 2014

A natural sugar delivers DNA aptamer drug inside tumor cells

Researchers have developed a natural polysaccharide-based delivery system that enhances the targeting of DNA aptamers to vimentin in tumor cells, leading to increased cell death. The study uses arabinogalactan from the larch tree as a carrier and shows improved efficacy when combined with the aptamer drug.

SourceMary Ann Liebert, Inc./Genetic Engineering News·JournalNucleic Acid Therapeutics·DateJan 27, 2014

Animate, inanimate, but also social

Researchers found a functional distinction between social groups, which are processed separately from animate and inanimate objects. The study used patients with dementia to demonstrate the double dissociation of these functions.

SourceInternational School of Advanced Studies (SISSA)·JournalCognitive Neuroscience·DateJan 27, 2014
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.

Temple researchers shed new light on double-lung transplants

Temple researchers have shown that identical or compatible blood types between donor and recipient do not affect rejection rates in double-lung transplants. The study confirms excellent post-transplant lung function and comparable mortality rates for compatible donors.

SourceTemple University Health System·DateJan 27, 2014

New method increases supply of embryonic stem cells

A new method allows for large-scale generation of high-quality human embryonic stem cells from excess IVF embryos, increasing the supply for potential therapies. This breakthrough method enables production of stem cells without destroying embryos, making it a significant step forward for stem cell research.

SourceKarolinska Institutet·JournalNature Communications·DateJan 27, 2014

Rare genetic variations may account for severe reaction to LABA drugs in some people

Researchers found that rare gene variants significantly increased the risk of hospital admission for severe asthma episodes and urgent outpatient visits among patients treated with long-acting beta agonists. Non-Hispanic whites with these variants were more than twice as likely to experience uncontrolled symptoms during LABA therapy.

SourceAtrium Health Wake Forest Baptist·JournalThe Lancet Respiratory Medicine·DateJan 27, 2014

Study shows researchers' status helps some scientific papers gain popularity

A new study found that high-status authors receive more attention for their work, with a 12% increase in citations. The effect is more pronounced for recent papers and those published in lower-profile journals. This phenomenon, known as the 'Matthew Effect,' highlights the impact of author reputation on scientific discovery.

SourceMassachusetts Institute of Technology·JournalManagement Science·DateJan 27, 2014

300,000-year-old hearth found

A 300,000-year-old hearth discovered in the Qesem Cave provides conclusive evidence of repeated fire building over time, hinting at advanced social structure and intellectual capacity. The find suggests that early humans had a sophisticated understanding of space organization and social order.

SourceWeizmann Institute of Science·JournalJournal of Archaeological Science·DateJan 27, 2014
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.

Migrants' children as well integrated as Swedes' children

Research by Linköping University's Alireza Behtoui reveals that migrant children have less education but equal job prospects to Swedish-born peers when adjusted for parent's education level. The difference in salaries remains, but decreases with factors such as education and family status.

SourceLinköping University·JournalEthnic and Racial Studies·DateJan 27, 2014

Yoga can lower fatigue, inflammation in breast cancer survivors

Practicing yoga for three months can significantly reduce fatigue and lower inflammation in breast cancer survivors, according to new research. The study found that women who practiced yoga experienced a 57% reduction in fatigue and up to 20% lower inflammation compared to those who did not practice yoga.

SourceOhio State University·JournalJournal of Clinical Oncology·DateJan 27, 2014

Early tumor response from stereotactic radiosurgery predicts outcome

A study of 52 patients with metastatic brain tumors found that early tumor shrinkage after stereotactic radiosurgery indicates a positive outcome, reducing the need for further monitoring. Tumors that did not respond initially were more likely to recur or require additional treatment.

SourceUniversity of North Carolina Health Care·JournalNeurosurgery·DateJan 27, 2014

Critical protein discovered for healthy cell growth in mammals

Researchers at Penn State University have identified a critical protein required for the growth of cilia on cell surfaces. This discovery has significant implications for understanding and treating diseases related to cilium development, such as polycystic kidney disease, blindness, and neurological disorders.

SourcePenn State·JournalProceedings of the National Academy of Sciences·DateJan 27, 2014
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.

Permanent changes in brain genes may not be so permanent after all

A study published in Nature Neuroscience reveals that non-CpG methylation occurs later and more dynamically in neurons than previously thought, acting as a system of gene regulation. This finding challenges the long-held idea that once genes are silenced by methylation, they remain so forever.

SourceJohns Hopkins Medicine·JournalNature Neuroscience·DateJan 27, 2014

Tufts Medical Center approved for PCORI funding award

Tufts Medical Center has been awarded a PCORI funding award to develop a method for patient-centered enrollment in comparative effectiveness trials. The project, led by Dr. Harry P. Selker, will use data from electronic health records to identify patients who may benefit from clinical trials.

SourceTufts Clinical and Translational Science Institute·DateJan 27, 2014
Fluke 87V Industrial Digital Multimeter

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

Brain biomarker shows promise in heart

Researchers found elevated levels of translocator protein 18 kDa (TSPO) in patients with myocarditis and mice, suggesting its potential as a biomarker for heart inflammation. TSPO's role in driving disease progression and prognosis is also being explored.

SourceColumbia University's Mailman School of Public Health·JournalJournal of Cardiovascular Translational Research·DateJan 27, 2014

Scientists reveal cause of one of the most devastating pandemics in human history

Researchers uncover that two devastating plagues were caused by distinct strains of the same pathogen, which may lead to a better understanding of modern infectious disease dynamics. The study also raises questions about why a highly deadly pathogen died out and could potentially inform responses to future pandemics.

SourceMcMaster University·JournalThe Lancet Infectious Diseases·DateJan 27, 2014

Researchers motivate diabetics to adopt healthy lifestyle

A study involving 186 Type II diabetes patients found that health coaching significantly improved oral health by reducing biological markers for periodontitis by 50% and long-range blood sugar levels. The coaching group also showed increased self-efficacy in handling illness and health issues.

SourceUniversity of Copenhagen·JournalClinical Oral Investigations·DateJan 27, 2014

New, unusually large virus kills anthrax agent

Researchers have discovered a new bacteriophage that infects the bacterium causing anthrax, offering potential solutions for detection and treatment. The phage, named Bacillus phage Tsamsa, is unusually large and can target not only anthrax but also closely related bacteria.

SourceUniversity of California - Davis·JournalPLOS ONE·DateJan 27, 2014
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.

Bluebirds struggle to find happiness on island paradise

Research reveals that Bermuda bluebirds have distinct physiological differences compared to their continental counterparts, with lighter weights and longer wings. The study also found that island nestlings grow slower and face higher mortality rates than their mainland peers.

SourceUniversity of Chicago Press Journals·JournalPhysiological and Biochemical Zoology·DateJan 27, 2014

ORNL study advances quest for better superconducting materials

Researchers at Oak Ridge National Laboratory created a framework to understand the interplay of superconductivity and inhomogeneity. The work reveals that strong superconductivity comes from highly doped regions in the crystal where dopants are clustered, potentially leading to higher performance superconductors.

SourceDOE/Oak Ridge National Laboratory·JournalPhysical Review Letters·DateJan 27, 2014