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Science News Archive January 2017 - Page 29


Page 29 of 35

Model sheds light on inhibitory neurons' computational role

A new computational model reveals a winner-take-all operation is enabled by a configuration of inhibitory neurons. The model, developed by MIT researchers, uses theoretical computer science to prove that a specific arrangement of inhibitory neurons is necessary for the operation.

SourceMassachusetts Institute of Technology·DateJan 9, 2017

The fly reveals a new signal involved in limb growth

Researchers at IRB Barcelona identify a fundamental role of JAK/STAT signalling pathway in regulating limb development and growth. The study reveals three key functions of JAK/STAT in specifying wing formation and growth, with implications for understanding human congenital diseases.

SourceInstitute for Research in Biomedicine (IRB Barcelona)·JournalNature Communications·DateJan 9, 2017

Study: Obamacare benefitted Latinos, but persistent disparities remain

A new study found that the Affordable Care Act (ACA) improved health care access and utilization among Latinos, but persistent disparities persist. The study suggests expanding the law to undocumented immigrants could help combat these disparities.

SourceDrexel University·JournalThe Journal of the American Board of Family Medicine·DateJan 9, 2017
Apple iPhone 17 Pro

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

NIH to release findings on impact of parent physical activity, sedentary behavior on their preschool

A new NIH-funded study found that in underserved populations, parents' physical activity levels directly correlate with their preschoolers' activity levels. The research suggests interventions could focus on helping parents model an active lifestyle for their children to combat obesity. Low-income and ethnic minority families are dispr...

SourceNIH/National Heart, Lung and Blood Institute·JournalAmerican Journal of Preventive Medicine·DateJan 9, 2017

New model predicts when people are willing to try new things

Scientists at UCL and dunnhumby developed a model to predict when people will try new products, analyzing purchase data from over 280,000 shoppers. The study found that shopping behavior is consistent across product categories, with individuals having individual 'exploration personalities' when they shop.

SourceUniversity College London·JournalNature Human Behaviour·DateJan 9, 2017

Why high-dose vitamin C kills cancer cells

Research at the University of Iowa shows that high-dose vitamin C selectively kills cancer cells by generating hydrogen peroxide, a reactive oxygen species. Cancer cells with low catalase activity are more susceptible to damage and death when exposed to high amounts of vitamin C.

SourceUniversity of Iowa Health Care·JournalRedox Biology·DateJan 9, 2017
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.

Do exercise 'weekend warriors' lower their risks of death?

A study found that adults who performed the recommended amount of weekly physical activity in one or two sessions had lower risks for death from all causes, cardiovascular disease, and cancer. The risk reductions were similar among weekend warriors and insufficiently active adults.

SourceJAMA Network·JournalJAMA Internal Medicine·DateJan 9, 2017

Secret new weapon of insect-transmitted viruses exposed

Researchers at UC Riverside have identified a novel strategy for controlling viral diseases by targeting the interaction between a viral effector protein and a host hormone. The study found that the cucumber mosaic virus manipulates plants to release odors attractive to aphids, which transmit the virus.

SourceUniversity of California - Riverside·JournalCell Research·DateJan 9, 2017

Can big data yield big ideas? Blend novel and familiar, new study finds

A new study from Columbia Business School sheds light on the secret sauce to developing creative ideas, finding that a balance between novelty and familiarity makes an idea more creative. The researchers developed a tool that analyzes word combinations in real-time and recommends words to improve ideas.

SourceInstitute for Operations Research and the Management Sciences·JournalMarketing Science·DateJan 9, 2017

Study identifies barriers to sexual health among male teens and young men

A Johns Hopkins Medicine study found that social ecology influences on personal experiences and interactions with family, peers, and healthcare providers hinder young men's use of sexual and reproductive health care. Long wait times, costs, and concerns about privacy also deter seeking care.

SourceJohns Hopkins Medicine·JournalJournal of Adolescent Health·DateJan 9, 2017
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.

Epigenetic changes promote development of fatty liver in mouse and man

A study published in Diabetes journal found epigenetic changes in the DPP4 gene are associated with fatty liver development in both mice and humans. These changes, detected at six weeks of age, lead to increased enzyme production and correlate with fat content in the liver.

SourceDeutsches Zentrum fuer Diabetesforschung DZD·JournalDiabetes·DateJan 9, 2017

Hydropower in China impacts the flow of the Mekong River

The study reveals that Chinese hydropower operations have significantly altered the Mekong River's dry and wet season flows, affecting its ecological productivity. The changes in river flow have been particularly pronounced since 2014, with the Nuozhadu dam project having the largest impact on downstream Cambodia.

SourceAalto University·JournalJournal of Hydrology·DateJan 9, 2017

Nonsurgical and surgical treatments provide successful outcomes for an Achilles tear

A new review found functional rehabilitation and minimally invasive surgery to be effective treatment options for Achilles tendon tears, especially in recreational athletes. Surgical repair may be optimal for high-performance athletes, offering improved strength and power.

SourceAmerican Academy of Orthopaedic Surgeons·JournalJournal of the American Academy of Orthopaedic Surgeons·DateJan 9, 2017

Older adults with arthritis need just 45 minutes of activity per week

A study found that performing even a third of the recommended activity is beneficial for older adults with arthritis. Participants who achieved a minimum of 45 minutes of moderate activity, such as brisk walking, per week were 80% more likely to improve or sustain high function over two years.

SourceNorthwestern University·JournalArthritis Care & Research·DateJan 9, 2017
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.

New framework could help online addicts reduce their usage

A new model developed by researchers at Binghamton University uses cognitive dissonance to help individuals recognize their online addiction and reduce its effects. Increasing users' awareness of the consequences of their behavior can create discomfort, motivating them to exert self-control.

SourceBinghamton University·DateJan 9, 2017
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.

High cholesterol intake and eggs do not increase risk of memory disorders

A new study published in the American Journal of Clinical Nutrition found that a high-cholesterol diet or frequent consumption of eggs do not increase the risk of memory disorders. In fact, egg consumption was associated with better cognitive performance in certain tests.

SourceUniversity of Eastern Finland·JournalAmerican Journal of Clinical Nutrition·DateJan 9, 2017

Catheter safeguards at hospitals reduce infections and save money, study shows

A recent study by Cedars-Sinai found that implementing rigorous catheter safeguards can significantly reduce bloodstream infections related to central venous catheters. The study, which analyzed data from 113 hospitals, showed a 57% reduction in infection rates while producing net savings of $1.85 million for each site over three years.

SourceCedars-Sinai Medical Center·JournalJAMA Internal Medicine·DateJan 9, 2017
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.

Researchers reveal how cancer cells cope with genetic chaos

Two studies reveal that cancer cells can tolerate genetic mutations by inactivating the BCL9L gene and slowing down division to avoid mistakes, allowing them to thrive and evolve. This understanding may lead to new ways to target cancer cells and improve treatment efficacy.

SourceCancer Research UK·JournalCancer Cell·DateJan 9, 2017

Moralistic thinking on political left, right not so different

A new study reveals that liberals and conservatives share similar moral roots, particularly concerning sanctity, making constructive discussion challenging. The findings suggest a stalemate in the culture war due to each side considering certain issues as sacrosanct or fair for revision.

SourceUniversity of Illinois Chicago·JournalAnalyses of Social Issues and Public Policy·DateJan 9, 2017

January/February 2017 Annals of Family Medicine tip sheet

The National Commission on Prevention Priorities releases updated rankings of clinical preventive services, identifying high-impact services for improving population health. The top three services are immunizing children, tobacco-use screening and brief intervention, and alcohol misuse screening with brief intervention.

SourceAmerican Academy of Family Physicians·JournalThe Annals of Family Medicine·DateJan 9, 2017
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.

How Spain achieved a remarkably high rate of deceased organ donation

The Spanish system has made organ donation a routine consideration when a patient dies, with professionals exploring patients' wishes regarding organ donation. The model's success lies in its coordination and organization, making it applicable to other countries with adaptations depending on the healthcare system and factors.

SourceWiley·JournalAmerican Journal of Transplantation·DateJan 9, 2017

The strange double life of Dab2

Researchers have discovered that Dab2 controls a population of fat stem cells that slowly disappears with maturity. This finding may reinforce the importance of steering children away from high-fat diets and lead to new pharmaceutical strategies to combat childhood obesity.

SourceUniversity of Miami Miller School of Medicine·JournalScientific Reports·DateJan 9, 2017

Speeding up 19th century oil paintings

Lead acetate, combined with mastic resin and linseed oil, enabled artists to create quick-drying paint layers for the first time. This innovation allowed for faster production times, facilitating the development of modern styles in the 19th century.

SourceWiley·JournalAngewandte Chemie International Edition·DateJan 9, 2017

Progesterone may be key to preventing recurrent miscarriage

A new study suggests that progesterone could be a key to preventing recurrent miscarriage in women who suffer multiple pregnancy losses. Researchers found that micronized plant-derived progesterone improved endometrial function and prevented pregnancy loss.

SourceYale University·JournalFertility and Sterility·DateJan 9, 2017

PKM2 promotes exosome release via phosphorylating SNAP-23

A research team at Nanjing University found that PKM2 promotes exosome release by phosphorylating SNAP-23, which controls the dock and release of secretory granules or exosome-containing multivesicular bodies. This study demonstrates for the first time that PKM2 plays an essential role in promoting tumor cell exocytosis.

SourceNanjing University School of Life Sciences·JournalNature Communications·DateJan 9, 2017
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.

NASA sees storms affecting the western US

A series of moisture-laden storms has affected the western US, including California and the Pacific Northwest, causing extreme rain events and blanketeting the region in snow. The National Weather Service is forecasting heavy snows and periods of rain with potential flooding or flash flooding along the West Coast.

SourceNASA/Goddard Space Flight Center·DateJan 9, 2017

Most breastfed infants not receiving recommended vitamin D supplementation

A study found that only 55% of breastfed infants received the recommended daily vitamin D supplementation. Mothers preferred to supplement themselves, citing safety as their top concern. Higher doses of vitamin D could be incorporated into maternal supplementation routines to enrich breast milk and improve intakes in breastfed infants.

SourceAmerican Academy of Family Physicians·JournalThe Annals of Family Medicine·DateJan 9, 2017

Short-lived greenhouse gases cause centuries of sea-level rise

Researchers find that methane and other short-lived greenhouse gases impact sea levels for hundreds of years after being cleared from the atmosphere, with some effects even more long-lasting. The study highlights the importance of understanding climate change duration and its consequences for coastal regions.

SourceMassachusetts Institute of Technology·JournalProceedings of the National Academy of Sciences·DateJan 9, 2017
Fluke 87V Industrial Digital Multimeter

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

Exploiting the placebo effect can improve recovery of heart surgery patients

A new study found that patients given psychological support before heart surgery scored lower on disability tests, had better mental quality-of-life, and reported more physical activity. Personalized support appeared to have the greatest benefit, and a short-term intervention can be easily implemented in cardiac surgery units.

SourceBMC (BioMed Central)·JournalBMC Medicine·DateJan 9, 2017

Warmer West Coast ocean conditions linked to increased risk of toxic shellfish

A new study by NOAA-supported researchers has developed a climate-based risk analysis model to predict domoic acid concentrations in shellfish. This model can help seafood industry managers stay ahead of harmful algae events, supporting timely fishery closures or openings and safeguarding public health.

SourceNOAA Headquarters·JournalProceedings of the National Academy of Sciences·DateJan 9, 2017

Fixing overuse and underuse of medical care can improve health and save money

The 'Right Care Series' highlights the extent of overuse and underuse of healthcare services worldwide. Both issues are widespread and often coexist, causing harm to patients and wasting resources. By tackling these problems together, countries can achieve sustainable universal health coverage and ensure that healthcare is a human right.

SourceUniversity of Sydney·JournalThe Lancet·DateJan 8, 2017
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.

Indoor tanning study reveals surprising new at-risk group for skin cancer

A new study published in JAMA Dermatology found that non-heterosexual black male teens engage in indoor tanning at levels equal to those of heterosexual white females. This discovery highlights a surprising new group at risk for skin cancer, which may be linked to psychological distress and discrimination.

SourceSan Diego State University·JournalJAMA Dermatology·DateJan 6, 2017
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.

Is student debt responsible for 'boomeranging' among young adults?

A Dartmouth-led study published in Sociology of Education found that college completion rates, not student loan debt, are more strongly associated with the 'boomeranging' effect. Black youths who take on debt face a higher risk of returning home due to limited access to fair credit and economic strain.

SourceDartmouth College·JournalSociology of Education·DateJan 6, 2017

Study characterizes key molecular tool in DNA repair enzymes

Researchers have characterized the critical function of the Zf-GRF domain in manipulating DNA during repair processes. The domain is essential for APE2 enzyme activity, enabling it to bind to single-stranded DNA and facilitate its 3'-5' resection.

SourceUniversity of North Carolina at Charlotte·JournalProceedings of the National Academy of Sciences·DateJan 6, 2017

Parents purchase frozen dinners for more than convenience

A new study found that parents' motivation for buying prepackaged, processed foods goes beyond time savings. Nearly half of parents reported choosing frozen meals because their families enjoy them, while a quarter preferred the cost savings.

SourceElsevier Health Sciences·JournalJournal of Nutrition Education and Behavior·DateJan 6, 2017

NASA study finds solar storms could spark soils at moon's poles

Solar storms can charge up soil in moon's permanently shadowed regions, potentially producing sparks that could vaporize and melt the soil. This process, known as dielectric breakdown, could alter the regolith and provide clues to the moon's history.

SourceNASA/Goddard Space Flight Center·JournalIcarus·DateJan 6, 2017
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.

New research describes how bacteria resists 'last-resort' antibiotic

A UK-based international team of researchers has made a breakthrough in understanding the mechanism of mcr-1 gene-mediated resistance to colistin. They identified key features necessary for the protein that modifies bacterial surface to reduce colistin binding, and constructed computer models to block MCR-1 function.

SourceUniversity of Bristol·JournalScientific Reports·DateJan 6, 2017

Gut microbes and bird's breath from the U at #SICB2017

University of Utah researchers explore the connection between gut microbes and birds' unique breathing patterns. The team found that diverse gut microbes play a critical role in allowing herbivorous woodrats to process naturally occurring toxins, with promising implications for human health and animal husbandry.

SourceUniversity of Utah·DateJan 6, 2017

Counseling, antidepressants change personality (for the better), team reports

A review of 207 studies found that therapeutic interventions led to an average decrease in neuroticism and increase in extraversion. Emotional stability was the primary trait domain showing changes as a result of therapy, with patients with anxiety disorders changing the most.

SourceUniversity of Illinois at Urbana-Champaign, News Bureau·JournalPsychological Bulletin·DateJan 6, 2017
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.

UCI scientists identify a new approach to recycle greenhouse gas

Researchers found a bacterium can convert CO2 to CO, opening up new avenues for recycling greenhouse gas into biofuels. The discovery establishes nitrogenase enzyme as template for energy-efficient and environmentally-friendly fuel production.

SourceUniversity of California - Irvine·JournalNature Chemical Biology·DateJan 6, 2017

Brazilian study compiles data on 958 types of South American jellyfish

The Brazilian census details 958 distinct morphological types of jellyfish, including their habitats, occurrences, and ecological data. The most toxic species belong to the class Cubozoa, while the class Scyphozoa includes a common Brazilian species.

SourceFundação de Amparo à Pesquisa do Estado de São Paulo·JournalZootaxa·DateJan 6, 2017

Zooplankton rapidly evolve tolerance to road salt

Researchers found that a common species of zooplankton can develop higher tolerance to road salt, which may help protect ecosystems from salt's impacts. This rapid evolution suggests that freshwater ecosystems possess some resilience amid rising deicing salt applications.

SourceRensselaer Polytechnic Institute·JournalEnvironmental Pollution·DateJan 6, 2017

New treatment for a rare form of encephalitis

Researchers have made significant progress treating anti-NMDA receptor encephalitis with a new regimen, including patients who previously did not respond. The treatment, which includes bortezomib, has shown to quickly improve clinical symptoms and reduce antibodies responsible for the disease.

SourceCharité - Universitätsmedizin Berlin·JournalNeurology·DateJan 6, 2017