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Science News Archive February 2017 - Page 22


Page 22 of 37

ACP issues new guidelines for treating low back pain; video available

The American College of Physicians recommends treating acute and subacute low back pain with non-pharmaceutical therapies like heat, massage, and spinal manipulation. For chronic low back pain, exercise, multidisciplinary rehabilitation, and acupuncture are shown to improve symptoms.

SourceAmerican College of Physicians·JournalAnnals of Internal Medicine·DateFeb 13, 2017

Brian Luke awarded a Heisenberg Professorship

Telomeres are protective caps on chromosomes that protect DNA ends from damage. Brian Luke's research focuses on the non-coding RNA TERRA, which plays a crucial role in telomere function. His lab will also investigate telomere looping, a mechanism that protects chromosome ends from degradation.

SourceJohannes Gutenberg Universitaet Mainz·DateFeb 13, 2017

Sulfide-sensing mechanisms in purple bacteria

Scientists have discovered a sulfide-responsive protein, SqrR, in purple bacteria that regulates photosynthetic electron transfer to survive sulfide stress. This finding sheds light on the early evolution of photosynthesis and has potential applications in synthetic biology.

SourceTokyo Institute of Technology·JournalProceedings of the National Academy of Sciences·DateFeb 13, 2017

Diabetes in your DNA? Scientists zero in on the genetic signature of risk

A team of researchers has identified a common regulatory grammar in islet cells that affects the activity of Regulatory Factor X, a master regulator involved in gene expression. Many Type 2 diabetes-linked DNA changes disrupt this grammar, leading to a range of health problems.

SourceMichigan Medicine - University of Michigan·JournalProceedings of the National Academy of Sciences·DateFeb 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.

Will androids dream of quantum sheep?

Researchers have discovered that quantum devices can process information more efficiently than classical devices by harnessing quantum theory. This breakthrough could lead to significant advancements in fields such as artificial intelligence and machine learning.

SourceCentre for Quantum Technologies at the National University of Singapore·Journalnpj Quantum Information·DateFeb 13, 2017

New peptide hormone aids waterproof barrier formation in plant roots

Researchers at Nagoya University identified two peptides, CIF1 and CIF2, that regulate Casparian strip assembly in response to developmental and environmental cues. The study found that these peptides are necessary for the formation and maintenance of the barrier, which helps maintain ion homeostasis and adapt to harsh soil conditions.

SourceNagoya University·JournalScience·DateFeb 13, 2017

Unpredictable disasters require new thinking

The 2011 Norway attacks highlighted the limitations of traditional emergency work, which emphasizes fixed procedures and strong leadership. Experts now argue that local decision-making power could help limit the scale of disasters.

SourceNorwegian University of Science and Technology·JournalScandinavian Psychologist·DateFeb 13, 2017

Chemical engineers boost bacteria's productivity

Researchers designed a novel genetic switch that shuts down competing metabolic pathways in bacteria, allowing for increased production of glucaric acid and other chemicals. The switch uses quorum sensing to autonomously control the cells' growth, enabling efficient production without adding new chemicals or changing process conditions.

SourceMassachusetts Institute of Technology·JournalNature Biotechnology·DateFeb 13, 2017

New RNAi treatment targets eye inflammation

A new RNAi treatment has shown significant improvement in mouse models of acute uveitis and chronic diabetic inflammation without apparent side effects. The therapy targets the receptor-associated prorenin system, involved in uveitis pathogenesis.

SourceHokkaido University·JournalMolecular Therapy — Nucleic Acids·DateFeb 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.

Living standards lag behind economic growth

A new study found that access to basic amenities like electricity and clean energy improves with income growth, but not uniformly or quickly enough. The poorest members of society, especially women, bear the brunt of health risks from cooking with solid fuels and lack of sanitation.

SourceInternational Institute for Applied Systems Analysis·JournalEnvironmental Research Letters·DateFeb 13, 2017

Team makes planet hunting a group effort, finds more than 100 candidates

The international team released a large dataset of exoplanet-detecting observations using the radial velocity method, identifying over 100 potential planets, including one orbiting the fourth-closest star to our Solar System. The data will enable astronomers around the globe to search for new planets and follow up on existing signals.

SourceCarnegie Institution for Science·JournalThe Astronomical Journal·DateFeb 13, 2017

Strong alcohol policies protect against drunk driving deaths among young people

Research at Boston Medical Center found that stronger alcohol policies in states reduce the number of young people who die in crashes caused by drunk driving. The study used an alcohol policy scale to assess 29 policies across the US, correlating them with the number of underage deaths in alcohol-related crashes.

SourceBoston University School of Medicine·JournalPEDIATRICS·DateFeb 13, 2017

The ultimate green technology

A team of scientists at the University of Alberta has successfully applied atomic force microscopy to pattern and image electronic circuits at the atomic level. This breakthrough could lead to the development of ultra-fast and ultra-low-power silicon-based circuits, potentially revolutionizing the technology industry.

SourceUniversity of Alberta·JournalNature Communications·DateFeb 13, 2017
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.

Cellular quality control process could be Huntington's disease drug target

A study by Duke Health researchers has identified a shared root cause of Huntington's disease with Alzheimer's and other neurodegenerative diseases. The team found that a biochemical explanation for the breakdown of quality control processes in Huntington's disease, which can be restored by chemically inhibiting CK2, holds promise for ...

SourceDuke University Medical Center·JournalNature Communications·DateFeb 13, 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.

UH chemist honored for research, STEM education

Ding-Shyue Yang, a UH assistant professor of chemistry, has been awarded a $570,332 NSF CAREER grant to further his research on the movement of energy and charge across material interfaces. He aims to improve imaging tools for ultrafast molecular studies using new technologies and experimental methods.

SourceUniversity of Houston·DateFeb 13, 2017

Understanding enzymes

Researchers have developed a new tool to accurately identify enzymes present in microbiomes and quantify their relative abundances. This breakthrough may uncover novel chemistry in the gut microbiome and provide insights into its impact on human health.

SourceHarvard University·JournalScience·DateFeb 13, 2017

Gene discovery sheds light on growth defects linked to dwarfism

A new study identifies a gene, DONSON, responsible for microcephalic dwarfism by revealing its crucial role in DNA replication. Cells with faulty DONSON genes struggle to replicate DNA correctly, leading to growth defects typical of the disorder.

SourceUniversity of Birmingham·JournalNature Genetics·DateFeb 13, 2017

X-ray pulses reveal structure of viral cocoon

Researchers used high-intensity X-ray pulses to determine the structure of a viral cocoon down to a scale of 0.2 nanometres, approaching atom-scale resolution. The tiny viruses with their crystal casing are by far the smallest protein crystals ever analyzed using X-ray crystallography.

SourceDeutsches Elektronen-Synchrotron DESY·JournalProceedings of the National Academy of Sciences·DateFeb 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.

Inducing an identity crisis in liver cells may help diabetics

Researchers have successfully reprogrammed liver cells to behave like precursor cells that give rise to the pancreas, paving the way for potential cell therapies for type I diabetes. By altering a single gene, the team induced an identity crisis in liver cells, which then developed into cells with pancreatic properties.

SourceMax Delbrück Center for Molecular Medicine in the Helmholtz Association·JournalNature Communications·DateFeb 13, 2017

Making single-cell RNA sequencing widely available

Researchers at MIT have developed a new portable technology called Seq-Well, which enables rapid analysis of large numbers of cells for single-cell RNA sequencing. This breakthrough allows scientists to easily identify different cell types found in tissue samples, facilitating the study of immune cell responses and cancer treatment.

SourceMassachusetts Institute of Technology·JournalNature Methods·DateFeb 13, 2017

Examining different accountable care organization payment models

Two new studies on ACO payment models report significant reductions in postacute care spending, with no apparent decrease in quality. The Medicare Shared Savings Program saw a 9% reduction in spending by 2014, driven by decreases in hospital admissions and facility stays.

SourceJAMA Network·JournalJAMA Internal Medicine·DateFeb 13, 2017
Celestron NexStar 8SE Computerized Telescope

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

Gluten-free diet may increase risk of arsenic, mercury exposure

A study published in Epidemiology found that people on a gluten-free diet had higher concentrations of arsenic and mercury in their urine and blood compared to those who did not eat gluten-free. The study's findings suggest that a gluten-free diet may pose health risks due to increased exposure to toxic metals.

SourceUniversity of Illinois Chicago·JournalEpidemiology·DateFeb 13, 2017

UT Institute of Agriculture scientists win for Outstanding Paper Award

Researchers from UT Institute of Agriculture won the Outstanding Paper Award in Weed Technology for their study on cover crops and herbicides. The study found that combinations of grass and legume cover crops provided effective control over glyphosate-resistant Palmer Amaranth, with cereal rye and wheat showing the best results.

SourceUniversity of Tennessee Institute of Agriculture·DateFeb 13, 2017

Gene that helps form trauma-related memories may also help prevent PTSD

Researchers found that manipulating the fkbp5 gene, affected by dexamethasone, can prevent fearful memories and hyperarousal associated with PTSD. The study suggests using dexamethasone as a preventative treatment to reduce PTSD risk in traumatic events.

SourceNYU Langone Health / NYU Grossman School of Medicine·JournalPsychopharmacology·DateFeb 13, 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.

Scientists devise novel way to predict efficacy of malaria vaccines

Researchers identified candidate molecular signatures in the blood of vaccinated subjects that predict the likelihood of success from vaccination. The study found that these signatures can discern whether volunteers were protected when exposed to mosquitoes carrying the Plasmodium falciparum parasite.

SourceEmory Health Sciences·JournalProceedings of the National Academy of Sciences·DateFeb 13, 2017

Now you can 'build your own' bio-bot

The paper provides a detailed protocol for building muscle-powered biological machines, enabling the creation of complex behaviors like self-assembly and adaptation. Researchers designed flexible 3D printed hydrogels and living cells to power 'walking' bio-bots, paving the way for applications in health, medicine, and environment.

SourceUniversity of Illinois Grainger College of Engineering·JournalNature Protocols·DateFeb 13, 2017

A kiss of death -- mammals were the first animals to produce venom

A fossilized skull of Euchambersia revealed the first evidence of an ancient venomous vertebrate. The reptile's unique anatomy allowed its venom to flow directly into its mouth and prey through specialized teeth. This discovery sheds light on the evolution of venom in mammals.

SourceUniversity of the Witwatersrand·JournalPLOS ONE·DateFeb 13, 2017

Epstein-Barr virus and cancer: New tricks from an old dog

Scientists have identified a new mechanism by which the Epstein-Barr virus (EBV) causes cancer, involving a viral protein that leads to chromosomal instability. The discovery has significant implications for vaccine development and cancer prevention.

SourceGerman Cancer Research Center (Deutsches Krebsforschungszentrum, DKFZ)·JournalNature Communications·DateFeb 13, 2017

NASA catches formation of Tropical Cyclone Dineo

Tropical Cyclone Dineo formed on February 13 in the Southern Indian Ocean, as captured by NASA's Aqua satellite. The storm is expected to strengthen and make landfall along Mozambique's east coast on February 16.

SourceNASA/Goddard Space Flight Center·DateFeb 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.

Depression linked to e-cigarette use among college students

A new study published in Nicotine & Tobacco Research found a significant link between elevated depressive symptoms and the initiation of e-cigarette use among college students. The research suggests that depression may lead to e-cigarette use as a means of self-medication or stress relief.

SourceUniversity of Texas Health Science Center at Houston·JournalNicotine & Tobacco Research·DateFeb 13, 2017

Scientists isolate new antibodies to fight human respiratory syncytial virus (RSV)

Researchers developed Nanobodies targeting RSV's fusion protein, neutralizing the virus and providing anti-viral activity in laboratory assays and animal models. The approach holds promise for developing a new therapy against RSV, a leading cause of lower respiratory tract infections in children.

SourceVIB (the Flanders Institute for Biotechnology)·JournalNature Communications·DateFeb 13, 2017

Chip could make voice control ubiquitous in electronics

A new chip designed by MIT researchers has the potential to make voice control ubiquitous in electronics, offering significant power savings. The chip's ability to minimize memory bandwidth and compress weights associated with each node enables efficient speech recognition, making it practical for relatively simple electronic devices.

SourceMassachusetts Institute of Technology·DateFeb 13, 2017

Disease 'superspreaders' were driving cause of 2014 Ebola epidemic

A new study found that Ebola superspreaders were responsible for infecting 61% of all cases in the 2014-15 outbreak. These superspreaders often fit into certain age groups and continue to spread disease after being placed in care facilities.

SourceOregon State University·JournalProceedings of the National Academy of Sciences·DateFeb 13, 2017
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.

Breaking sonic boundaries: DARE Art Prize winner announced

Composer Samuel Hertz has been announced as the winner of the inaugural £15,000 DARE Art Prize. He will spend the next year collaborating with researchers at the University of Leeds and Opera North staff to create a groundbreaking new work exploring the effects of infrasound on wellbeing and mood.

SourceUniversity of Leeds·DateFeb 13, 2017

Plant-made hemophilia therapy shows promise, Penn study finds

Researchers develop plant-based therapy to prevent antibodies from forming against clotting factor VIII, a common cause of hemophilia reactions. The treatment showed promising results in dog trials, with significantly lower antibody levels and no negative side effects.

SourceUniversity of Pennsylvania·JournalMolecular Therapy·DateFeb 13, 2017

Dietary supplement could improve heart health

Research suggests that supplementing mice with quercetin improves biomedical outcomes, providing anti-inflammatory and antioxidant effects. The study also found that quercetin-fed mice were more active than control groups, which could be beneficial for Duchenne Muscular Dystrophy patients.

SourceThe Physiological Society·JournalExperimental Physiology·DateFeb 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.

Scientists make huge dataset of nearby stars available to public

A team of scientists has released the largest collection of observations made with radial velocity to be used for hunting exoplanets. The dataset includes almost 61,000 measurements of more than 1,600 nearby stars and has detected over 100 potential exoplanets, including one orbiting GJ 411.

SourceMassachusetts Institute of Technology·DateFeb 13, 2017

Simple rule explains complex group swimming patterns

Researchers discovered a strong behavioural rule, the rule of random attraction, that explains how complex patterns of collective movement emerge in zebrafish as they develop from larvae to adults. Younger fish spend less time applying this rule, resulting in fewer schools, while adults do more, leading to group formation.

SourceChampalimaud Centre for the Unknown·JournalProceedings of the National Academy of Sciences·DateFeb 13, 2017

Researchers identify 'Achilles' heel' of key anti-cancer protein

Researchers at Cold Spring Harbor Laboratory have discovered that Importin-11 protects the anti-cancer protein PTEN from degradation by transporting it into the cell nucleus. This discovery suggests that the loss of Importin-11 may destabilize PTEN, leading to cancer development in lung, prostate, and other cancers.

SourceRockefeller University Press·JournalJournal of Cell Biology·DateFeb 13, 2017

Mutant maize offers key to understanding plant growth

Researchers used live cell time-lapse imaging to investigate maize mutant growth, finding that delays in cell division can lead to growth defects when paired with improper division plane orientation. This study provides crucial details for understanding plant growth and may have long-term implications for developing short-stature maize...

SourceUniversity of California - Riverside·JournalProceedings of the National Academy of Sciences·DateFeb 13, 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.

New research shows that proteins are 'virtually' knotted

New research by University of Bristol physicists shows that protein molecules can be understood using virtual knots, a branch of knot theory previously considered abstract. This approach captures the essential ambiguity of where protein curve ends are, providing a more detailed understanding of their three-dimensional structure.

SourceUniversity of Bristol·JournalScientific Reports·DateFeb 13, 2017

Study reveals surprising link between athletics and addiction

A study by Laurie de Grace found that the culture of sport, particularly team sports like hockey, can increase the risk of substance addiction in elite athletes. The study revealed patterns of social acceptance, normalization of drugs and alcohol, and pressure to perform, which contribute to the development of addiction.

SourceUniversity of Alberta·JournalPsychology of Sport and Exercise·DateFeb 13, 2017

New study helps explain how garbage patches form in the world's oceans

Researchers developed a model simulating the motion of floating debris, revealing how ocean currents transport and accumulate marine debris. The study found that undrogued drifters accumulate in gyre centers, while anchored drifters take longer to reach the center.

SourceUniversity of Miami Rosenstiel School of Marine, Atmospheric, and Earth Science·JournalGeophysical Research Letters·DateFeb 13, 2017

Home use of hybrid closed-loop insulin delivery system shown safe and effective

A pivotal trial demonstrated the safety and efficacy of a hybrid closed-loop insulin delivery system in home use, reducing HbA1c levels and preventing severe hypoglycemic events. The system showed significant improvements in glucose control for both adolescents and adults with type 1 diabetes.

SourceMary Ann Liebert, Inc./Genetic Engineering News·JournalDiabetes Technology & Therapeutics·DateFeb 13, 2017
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.

Career military women who served in Vietnam: Happier and in better health than all women

A study by Columbia University's Mailman School of Public Health found that career military women were happier and had better physical and mental health than the general population. They also reported positive experiences, such as satisfaction with their work with wounded troops and civilians in Vietnam.

SourceColumbia University's Mailman School of Public Health·JournalSocial Science & Medicine·DateFeb 13, 2017

Penn vet study shows how solid tumors resist immunotherapy

Researchers found that downregulation of the interferon receptor IFNAR1 creates an environment where cancer cells can survive and reproduce unchecked. Modifying immunotherapies by stabilizing IFNAR1 may improve treatment outcomes for solid tumor cancers.

SourceUniversity of Pennsylvania·JournalCancer Cell·DateFeb 13, 2017
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.

Finding our way around DNA

A team at Salk Institute developed REPTILE algorithm to predict regulatory elements in noncoding regions of the genome. The method combines histone modification and methylation data for more accurate predictions, paving the way for targeted searches for disease-causing genetic variants.

SourceSalk Institute·JournalProceedings of the National Academy of Sciences·DateFeb 13, 2017

Desert songbirds may face expanding threat of lethal dehydration

A new study finds that small bird species in the US desert Southwest are at higher risk of lethal dehydration during heat waves, with some regions becoming uninhabitable for many species. Conservation efforts may focus on thermal refugia and water sources to mitigate this threat.

SourceUniversity of Massachusetts Amherst·JournalProceedings of the National Academy of Sciences·DateFeb 13, 2017