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Science News Archive June 2017 - Page 25


Page 25 of 40

Gut check: A molecule that balances the immune system in the gut

Researchers at MUSC found that gp96 is essential for maintaining a balanced immune system in the gut, preventing colitis. Without gp96, pAPCs become more inflammatory, leading to an imbalance of T cell populations and the development of colitis.

SourceMedical University of South Carolina·JournalScientific Reports·DateJun 13, 2017

Nanoparticles: What is their fate and how do they change?

The NANOaers project investigates airborne nanoparticle mixtures and their impact on respiratory health. Researchers analyze the behavior of nanoparticles with other chemicals, aiming to predict their fate and potential health effects.

SourceBfR Federal Institute for Risk Assessment·DateJun 13, 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.

Taking the guesswork out of forensic analysis of fingermarks

Researchers at Louisiana State University have developed a portable system for capturing and analyzing biomolecules from fingermarks, including DNA and explosives. The technique uses infrared laser ablation to lift molecules off surfaces without destroying them.

SourceLouisiana State University·JournalJournal of Mass Spectrometry·DateJun 13, 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.

Shining light on low-energy electrons

Low-energy electrons affect insulators in electronic systems and cause radiation damage in human and biological tissue. Researchers have devised a technique called the aerosol overlayer method to measure electron movement, separating core and shell interactions.

SourceAmerican Institute of Physics·JournalThe Journal of Chemical Physics·DateJun 13, 2017

Rare genetic disorders: New approach uses RNA in search for genetic triggers

Researchers at TUM and Helmholtz Zentrum München developed a method that significantly increases the chances of identifying genetic triggers in rare hereditary disorders. By sequencing both DNA and RNA, they were able to narrow down gene candidates in 10% of cases, while reducing false positives.

SourceTechnical University of Munich (TUM)·JournalNature Communications·DateJun 13, 2017

Donor microbes persist 2 years after fecal transplant to treat C. difficile infection

Researchers at the University of Alabama at Birmingham have made a groundbreaking discovery that fecal donor microbes can persist in recipients for months or years after a transplant to treat C. difficile infections. This is possible thanks to a novel method developed by the team to 'fingerprint' individual bacterial strains, allowing ...

SourceUniversity of Alabama at Birmingham·Journalnpj Biofilms and Microbiomes·DateJun 13, 2017

Active implants: How gold binds to silicone rubber

Scientists at the University of Basel have developed a procedure that allows binding single gold atoms to polymer chains on silicone membranes. This enables the formation of ultra-thin conductive layers on silicone rubber, opening up new possibilities for medical implants.

SourceUniversity of Basel·JournalAdvanced Electronic Materials·DateJun 13, 2017
Apple iPhone 17 Pro

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

Ancient otter tooth found in Mexico suggests mammals migrated across America

Fossil evidence reveals a previously unknown east-west migration route for some mammals across North America, challenging previous hypotheses. Researchers propose that sea otters and potentially other animals traversed the northern edge of the Trans-Mexican Volcanic Belt to reach California from Florida.

SourceUniversity at Buffalo·JournalBiology Letters·DateJun 13, 2017

Molecule may help maintain brain's synaptic balance

Researchers at Thomas Jefferson University discovered a molecule, LRP4, that plays a crucial role in maintaining the balance of excitatory and inhibitory neurons. The molecule is specific to excitatory synapses, suggesting a parallel molecule may exist for inhibitory synapses.

SourceThomas Jefferson University·DateJun 13, 2017

Study sheds light on Neanderthal-Homo sapiens transition

Researchers found over 20,000 animal bones, stone tools, and portable art objects from 10 sedimentary layers spanning 28,000 to 50,000 years ago. This timeline provides evidence of modern human activity in Europe during a period of significant change in species behavior.

SourceAustralian National University·JournalJournal of Human Evolution·DateJun 13, 2017

Superconducting nanowire memory cell, miniaturized technology

Researchers at the University of Illinois have developed a new nanoscale memory cell that holds promise for successful integration with superconducting processors. The device provides stable memory at a smaller size than other proposed memory devices, eliminating magnetic-field cross-talk and enabling faster and more powerful computing.

SourceUniversity of Illinois Grainger College of Engineering·JournalNew Journal of Physics·DateJun 13, 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.

What makes a mother risk her life to protect her children

A study led by neuroscientists found that oxytocin in the amygdala inhibits a self-defense reaction, allowing mothers to protect their young. The team manipulated oxytocin levels and observed increased defensive behavior when the hormone was inhibited.

SourceChampalimaud Centre for the Unknown·DateJun 13, 2017

The importance of time and space in brain development and disease

A new study from Newcastle University shows that the exact time of neuron development and its position in the brain are key to forming neural connections. This understanding can lead to better diagnosis and treatment of developmental diseases like schizophrenia, autism, and ADHD.

SourceNewcastle University·JournalTrends in Cognitive Sciences·DateJun 13, 2017

Clinical trial shows traditional treatment is better for iron-deficiency anemia

A clinical trial comparing traditional ferrous sulfate with a new iron polysaccharide complex preparation found that traditional treatment is more effective in treating iron-deficiency anemia in young children. The study, published in JAMA, showed that a low-dose daily treatment can be effective in restoring normal hemoglobin levels wi...

SourceBaylor College of Medicine·JournalJAMA·DateJun 13, 2017

Bed bug awareness poor among US travelers, but reactions are strong

A survey of US travelers found that most business and leisure travelers can't identify a bed bug, yet evokes a stronger response than other room deficiencies. Hotels should proactively provide information on preventing bed bug infestations to improve guest trust.

SourceEntomological Society of America·JournalAmerican Entomologist·DateJun 13, 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.

UAF research hub seeks to help Alaska communities stop suicides

The UAF Institute of Arctic Biology and College of Rural and Community Development received a five-year, $4.25 million grant to establish the Alaska Native Collaborative Hub for Research Resilience. This hub will help communities adopt culturally relevant strategies to prevent suicides.

SourceUniversity of Alaska Fairbanks·DateJun 13, 2017

Man(ufacturing) of steel

Researchers at the University of Pittsburgh are developing new steel alloys for additive manufacturing with a focus on high-strength low-alloy steels suitable for naval construction and repair. The project aims to improve mechanical properties and corrosion resistance using integrated computational materials design.

SourceUniversity of Pittsburgh·DateJun 13, 2017
Meta Quest 3 512GB

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

VLA gives new insight into galaxy cluster's spectacular 'mini-halo'

Researchers discovered new details about the Perseus Cluster's mini-halo, a pool of superfast particles emitting radio waves. The study revealed complex mechanisms causing the radio emission, including particle reacceleration and a powerful black hole's energy kick.

SourceNational Radio Astronomy Observatory·JournalMonthly Notices of the Royal Astronomical Society·DateJun 13, 2017

Stanford researcher sheds light on life of lesbians in Nazi Germany

New Stanford research reveals that lesbians in Nazi Germany may have enjoyed limited toleration, with many leading open lesbian lives before being denounced. The study analyzed police investigation files from the 1940s, showing a level of tolerance and nuance to existing scholarship on the subject.

SourceStanford University·JournalJournal of Contemporary History·DateJun 13, 2017

UMD bioengineers develop new technologies to drive next-generation therapies for MS

Researchers at UMD's Jewell Laboratory have developed a precision system using quantum dots to control the display of self-antigens, promoting tolerance and elimination of paralysis in pre-clinical mouse models. This breakthrough could pave the way for more selective and effective therapies for MS and other autoimmune diseases.

SourceUniversity of Maryland·JournalAdvanced Functional Materials·DateJun 13, 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.

Making art activates brain's reward pathway -- Drexel study

A Drexel University study found that art-making activities like doodling activate the brain's reward pathways, regardless of skill level or experience. The study used fNIRS technology to measure blood flow in the brain during various art activities, revealing increased activity in the prefrontal cortex and positive emotional responses.

SourceDrexel University·JournalThe Arts in Psychotherapy·DateJun 13, 2017

Study sheds light on determining surgical margins for feline tumors

Researchers analyzed tissue contraction to determine surgical margins for feline tumors, finding that current guidelines are often inadequate. The study suggests that more precise preoperative planning can lead to better outcomes and reduced morbidity for affected cats.

SourceOregon State University·JournalVeterinary Surgery·DateJun 13, 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.

Epigenetic signaling axis regulates proliferation and self-renewal of neural stem/progenitor cells

Researchers discovered a novel epigenetic signaling axis involving PRC1, microRNA, and PRC2 that regulates the self-renewal and proliferation of neural stem/progenitor cells. The study found that Ezh2 represses miR-203 expression, which negatively regulates self-renewal and proliferation but promotes neuronal differentiation.

SourceChinese Academy of Sciences Headquarters·JournalStem Cell Reports·DateJun 12, 2017

inflammatory molecule essential to muscle regeneration in mice, Stanford researchers find

Researchers at Stanford University School of Medicine discovered a lipid metabolite called prostaglandin E2 that activates muscle stem cells responsible for repairing damage after injury or exercise. Treating mice with PGE2 accelerates muscle repair and strength regain, while nonsteroidal anti-inflammatory drugs inhibit this process.

SourceStanford Medicine·JournalProceedings of the National Academy of Sciences·DateJun 12, 2017

Epigenetic changes at birth could explain later behavior problems

A new study by King's College London and the University of Bristol suggests that epigenetic changes in genes related to addiction and aggression present at birth may be linked to conduct problems in children. Conduct problems, costing £22 billion per year in the UK, can lead to chronic antisocial behavior across the lifespan.

SourceKing's College London·JournalDevelopment and Psychopathology·DateJun 12, 2017
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.

Researchers find a surprise just beneath the surface in carbon dioxide experiment

A team of researchers used X-ray experiments and theoretical models to study the conversion of carbon dioxide into liquid fuels using copper catalysts. The findings revealed that oxygen atoms embedded near the surface of copper had a significant impact on the reaction, leading to more efficient reactions.

SourceDOE/Lawrence Berkeley National Laboratory·JournalProceedings of the National Academy of Sciences·DateJun 12, 2017

Risk, benefit or cost: What stops patients from receiving a diagnostic test?

A study published in Academic Emergency Medicine found that the level of benefit, risk, and cost significantly influence patients' decisions to receive a diagnostic test. The researchers discovered that participants were more likely to accept a diagnostic test when the cost was lower, highlighting the impact of financial burden on medi...

SourceMichigan Medicine - University of Michigan·JournalAcademic Emergency Medicine·DateJun 12, 2017

Study sheds new light on inherited testicular cancer risk

A study has identified eight new genetic locations associated with an increased risk of testicular germ cell tumors. The findings, published in Nature Genetics, could help doctors understand which men are at the highest risk of developing the disease and signal them to screen those patients.

SourceUniversity of Pennsylvania School of Medicine·JournalNature Genetics·DateJun 12, 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.

Status epilepticus: An overview

Status epilepticus is a neurologic emergency with neuronal damage and systemic complications, emphasizing the need for timely treatment. The latest ILAE classification of epilepsy seizures and underlying etiologies are discussed, along with management guidelines and anticonvulsant drug therapies.

SourceBentham Science Publishers·JournalCurrent Drug Metabolism·DateJun 12, 2017

Bilingual children are better at recognizing voices

A study by NYU's Steinhardt School found that bilingual children excel at perceiving information about who is talking, including recognizing voices. The research suggests that speaking multiple languages enhances social perception and processing abilities.

SourceNew York University·DateJun 12, 2017
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.

Mixing booze and pot is a serious threat to traffic safety

A recent study by Columbia University's Mailman School of Public Health found that mixing booze and pot increases the risk of fatal two-vehicle crashes. Drivers who used alcohol, marijuana, or both were more likely to be responsible for causing fatal crashes compared to sober drivers. The researchers analyzed data from 14,742 fatal two...

SourceColumbia University's Mailman School of Public Health·JournalAnnals of Epidemiology·DateJun 12, 2017

Metastatic breast cancer cells use hedgehog to 'evilize' docile neighbors

Researchers found that metastatic breast cancer cells signal neighboring cells through the GLI transcription factor, allowing otherwise anchored cells to metastasize. The discovery highlights a promising link in the hedgehog signaling pathway, which can be targeted to reduce metastatic potential.

SourceUniversity of Colorado Anschutz Medical Campus·JournalNature Communications·DateJun 12, 2017

A single molecule is missing and the cell world is empty

Researchers at UNIGE have discovered the essential role of Vps4 molecule in cell division, shedding light on the fight against cancer and HIV. The study reveals that Vps4 is necessary for abscission, a stage where cell membranes are severed, and its absence inhibits cell division and delays it significantly.

SourceUniversité de Genève·JournalNature Cell Biology·DateJun 12, 2017

Volcanic 'plumerang' could impact human health

A team of scientists discovered a previously undetected health risk from volcanic plumes, finding that certain fine particles can penetrate deep into lungs, exacerbating asthma attacks. The study recommends considering both young and mature plumes when forecasting air pollution and dispersion.

SourceUniversity of Leeds·JournalEarth and Planetary Science Letters·DateJun 12, 2017

Peatlands, already dwindling, could face further losses

Climate change threatens tropical peat swamps, which once removed carbon dioxide from the atmosphere. Peatland forests in Southeast Asia have been disappearing due to clear-cutting and drainage projects, now potentially destroying forested peatlands.

SourceMassachusetts Institute of Technology·JournalProceedings of the National Academy of Sciences·DateJun 12, 2017
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.

Study: Underweight female runners more likely to get stress fractures

A new study from The Ohio State University Wexner Medical Center reveals that female runners with a body mass index (BMI) of less than 19 are more likely to develop stress fractures. Lighter women who suffered stress fractures took longer to recover, highlighting the importance of maintaining a healthy BMI through resistance training.

SourceMediaSource·JournalCurrent Orthopaedic Practice·DateJun 12, 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.

How do preemies perform in school?

A large-scale study found that premature babies born at 23-24 weeks were ready for kindergarten on time, while those born 25 weeks or later performed only slightly lower than full-term infants. Nearly 2% of extremely premature babies achieved gifted status in school.

SourceNorthwestern University·JournalJAMA Pediatrics·DateJun 12, 2017

Spouses' daily responses to partners' pain linked with later functioning

A new study found that spouses' empathic responses to their partners' pain improve the partner's physical functioning over time. Patients with spouses who provided emotional support and attention showed better balance, gait speed, and ability to rise from a chair compared to those with less responsive spouses.

SourceAssociation for Psychological Science·JournalPsychological Science·DateJun 12, 2017

Drug costs vary by more than 600% in study of 10 high-income countries

A study of 10 high-income countries found that prescription drug costs varied by more than 600% across different primary care medicines. The study, published in the Canadian Medical Association Journal, highlights differences in drug prices among countries with universal healthcare.

SourceCanadian Medical Association Journal·JournalCanadian Medical Association Journal·DateJun 12, 2017

Structural analysis of relevant drug targets for Alzheimer's disease

Researchers analyzed BACE_1, a critical enzyme in Alzheimer's disease, and proposed modifications to increase inhibitor bioavailability. Novel nanoparticle techniques are also being explored to destroy amyloid plaques, offering new hope for AD treatment.

SourceBentham Science Publishers·JournalCurrent Bioactive Compounds·DateJun 12, 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.

Can a single exercise session benefit your brain?

A new review of research on acute exercise found that it improves executive function, enhances mood, and decreases stress levels in humans. Neurophysiological and neurochemical changes also show widespread brain activation after a single bout of physical activity.

SourceIOS Press·JournalBrain Plasticity·DateJun 12, 2017

Common periodontal pathogen may interfere with conception in women

A study found that Porphyromonas gingivalis, a common periodontal pathogen, may delay conception in young women. The bacteria were more frequently detected in saliva among women who did not become pregnant, and higher antibody levels were also associated with conception delays.

SourceUniversity of Helsinki·JournalJournal of Oral Microbiology·DateJun 12, 2017