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Science News Archive July 2020 - Page 45


Page 45 of 47

Newer variant of COVID-19-causing virus dominates global infections

A specific change in the SARS-CoV-2 coronavirus virus genome, D614G, makes a small but effective change in the virus's 'Spike' protein, increasing its infectivity in cell culture. The variant has become the prevalent form globally, with tracking data showing its emergence in every geographic level.

SourceDOE/Los Alamos National Laboratory·JournalCell·DateJul 2, 2020

Abnormal proteins in the gut could contribute to the development of Alzheimer's Disease

A new study suggests that misfolded protein build-up in the gut may contribute to Alzheimer's-like symptoms in mice, potentially leading to a new treatment approach targeting the gut. The researchers found that beta amyloid proteins injected into the gut traveled to the nervous system and brain, causing cognitive impairments.

SourceThe Physiological Society·JournalThe Journal of Physiology·DateJul 2, 2020
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.

Flexible material shows potential for use in fabrics to heat, cool

A new study by North Carolina State University researchers found a flexible material made of tiny carbon nanotubes that can heat or cool the wearer on demand. The material has a combination of thermal, electrical, and physical properties that make it an appealing candidate for next-generation smart fabrics.

SourceNorth Carolina State University·JournalACS Applied Energy Materials·DateJul 2, 2020

Blood tests can predict the risk of liver cirrhosis

Repeated blood tests measuring liver damage biomarker FIB-4 identify people at high risk of severe liver disease. The study found that increased FIB-4 scores between testing occasions can predict future liver cirrhosis, with almost half of affected individuals identifiable.

SourceKarolinska Institutet·JournalJournal of Hepatology·DateJul 2, 2020

New Human Gene Therapy editorial: Concern following gene therapy adverse events

A recent report of two children's deaths in a gene therapy trial for X-linked myotubular myopathy has sparked concerns over the safety of gene therapy vectors. The editorial emphasizes the need for iterative development and cooperation among scientists to ensure safe and effective treatments for rare genetic diseases.

SourceMary Ann Liebert, Inc./Genetic Engineering News·JournalHuman Gene Therapy·DateJul 2, 2020
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.

Fussy eating -- and parents' stress -- remedied by online guide

A new online resource has been proven to alleviate parents' anxiety and encourage healthy eating habits in young children. The Child Feeding Guide, developed by experts at Aston University and Loughborough University, helps mums change their approach to feeding and reduces self-reported anxiety by nearly 20%.

SourceAston University·JournalNutrition Bulletin·DateJul 1, 2020

Software tool could be used to limit lockdowns, safeguard economy

Researchers developed a software tool to determine strategies that prevent surges in the virus without taking a huge toll on the economy. The tool factors in population density, demographics, climate, and transportation statistics to provide alternative scenarios to closing all shops and businesses.

SourceGeorge Mason University·DateJul 1, 2020

Cancer cells make blood vessels drug resistant during chemotherapy

Researchers at Hokkaido University found that inflammatory changes in tumors caused by chemotherapy trigger drug resistance in blood vessels, resulting in poorer cancer outcomes. The team also discovered a treatment strategy involving the combination of an ABCB1 inhibitor and anticancer drugs to overcome this resistance.

SourceHokkaido University·JournalCancer Research·DateJul 1, 2020

Researchers develop computational model to build better capacitors

Researchers at North Carolina State University developed a computational model that understands how material nanostructure affects conductivity. The goal is to inform the development of new energy storage devices for various electronics.

SourceNorth Carolina State University·JournalJournal of Applied Physics·DateJul 1, 2020
Apple iPhone 17 Pro

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

School absenteeism has surprising consequences for adults

Research found that students who frequently missed school from kindergarten to eighth grade were less likely to vote, reported greater economic difficulties, and had poorer educational outcomes. Early absenteeism was linked to disengagement and consequences beyond education.

SourceOhio State University·JournalJournal of Youth and Adolescence·DateJul 1, 2020

How to bring conservation messaging into wildlife-based tourism

A study found that conservation messaging is lacking in mainstream wildlife-based tourism operations, failing to provide information on wildlife conservation and opportunities for tourist action. The researchers propose a toolbox of ideas to improve conservation messaging using five principles: promote positive messaging, provide actio...

SourceUniversity of Helsinki·JournalPeople and Nature·DateJul 1, 2020

Addiction care barriers fell due to COVID-19; experts see challenges in keeping them down

Recent COVID-19 policy shifts have made it possible for more people to access addiction care via telemedicine, specifically video chats and telephone calls. Key treatments like medications, psychotherapy, and peer group support can now be delivered remotely, but sustaining this approach will require continued changes.

SourceMichigan Medicine - University of Michigan·JournalJAMA Psychiatry·DateJul 1, 2020

Understanding molecular mechanisms of air pollution's impact on ILD critical

Research on air pollution's impact on ILD reveals associations between pollutant exposure and increased risk of developing the disease. Epigenetic methods hold promise for understanding this relationship, but more study is needed to quantify effects.

SourceAmerican Thoracic Society·JournalAmerican Journal of Respiratory and Critical Care Medicine·DateJul 1, 2020
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.

Coordinating complex behaviors between hundreds of robots

Researchers propose STyLuS*, a new approach to solving complex robot control problems, by growing 'trees' in the search space to find optimal solutions. This method reduces memory requirements and processing power needed for large-scale robotic tasks.

SourceDuke University·JournalThe International Journal of Robotics Research·DateJul 1, 2020
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.

In the Arctic, spring snowmelt triggers fresh CO2 production

New research from San Diego State University reveals that spring snowmelt in the Arctic triggers fresh carbon dioxide production at higher rates than previously assumed. The study found that cold thaw accounts for nearly half of carbon emissions, offsetting summer uptake by vegetation.

SourceSan Diego State University·JournalGlobal Change Biology·DateJul 1, 2020

Why memory-forming neurons are vulnerable to Alzheimer's

A new study sheds light on the molecular factors that render entorhinal brain cells uniquely sensitive to degeneration. Researchers found that a suite of genes is likely involved in making these neurons easy targets for degeneration, with PTBP1 playing a major role.

SourceRockefeller University·JournalNeuron·DateJul 1, 2020

Estimation of excess deaths from COVID-19 in the US

Researchers analyzed weekly changes in US deaths due to COVID-19 and found a significant increase, indicating an estimated 1.8 million excess deaths between March 2020 and May 30, 2020. The study used data from the Centers for Medicare and Medicaid Services and the National Vital Statistics System.

SourceJAMA Network·JournalJAMA Internal Medicine·DateJul 1, 2020
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.

Moffitt develops tool to detect patients at high risk for poor lung cancer outcomes

A new radiomics model can identify early stage lung cancer patients at high risk for poor survival outcomes and require aggressive follow-up or adjuvant therapy. The model uses two radiomic features to stratify patients into three risk groups, which may have more aggressive cancer despite early detection.

SourceH. Lee Moffitt Cancer Center & Research Institute·JournalScientific Reports·DateJul 1, 2020

Study shows asthma drug salbutamol's potential as Alzheimer's treatment

A new study reveals that the common asthma drug salbutamol may offer potential as a treatment for Alzheimer's disease. It is effective at reducing the accumulation of insoluble fibres of the tau protein, which are found in the brains of people with Alzheimer's disease.

SourceLancaster University·JournalACS Chemical Neuroscience·DateJul 1, 2020

Brain activity prior to an action contributes to our sense of control over what we do

Scientists identified specific brain regions linked to humans' sense of agency, finding that brain activity involved in planning and motor monitoring is crucial. By altering this network with transcranial magnetic stimulation, researchers were able to reduce participants' sense of control over their actions.

SourceAmerican Association for the Advancement of Science (AAAS)·JournalScience Advances·DateJul 1, 2020
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.

GPS isn't just for road trips anymore

Researchers found that GPS-guided tractors can reduce overlap and gaps in field coverage by up to 6% and 16%, respectively, leading to increased crop production and environmental benefits. This technology has the potential to be adopted by small farms, which currently lag behind larger producers in terms of technology adoption.

SourceAmerican Society of Agronomy·JournalAgricultural & Environmental Letters·DateJul 1, 2020

UM Bio Station researchers unlock mystery of subterranean stoneflies

Researchers from the University of Montana's Flathead Lake Biological Station have unlocked a mystery surrounding unique aquatic insects in the Flathead watershed. Subterranean stoneflies have been found to survive in low-oxygen environments, and their DNA has revealed a possible mechanism for this adaptation.

SourceThe University of Montana·JournalEcology·DateJul 1, 2020
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.

Study confirms ultra music festival likely stressful to fish

Researchers at the University of Miami Rosenstiel School found that Ultra Music Festival was stressful for toadfish, causing a significant stress response and elevated cortisol levels. The study showed a 4-5 fold increase in blood cortisol levels in toadfish during the festival.

SourceUniversity of Miami Rosenstiel School of Marine, Atmospheric, and Earth Science·JournalEnvironmental Pollution·DateJul 1, 2020

Giant leap in diagnosing liver disease

A novel microbiome-based diagnostic tool has been developed to quickly and inexpensively identify liver fibrosis and cirrhosis in patients. The non-invasive method analyzes patient stool samples and achieves an accuracy of over 90% in diagnosing cirrhosis, with potential implications for improving treatment outcomes.

SourceSalk Institute·JournalCell Metabolism·DateJul 1, 2020

$10 million grant to move middle and high school instruction beyond language

A national research and development center will focus on weaving topics into the full curriculum, using real-world examples that are engaging and directly relevant to students of this age. The center aims to develop and test interventions that leverage transdisciplinary approaches to improve instruction for English Learners.

SourceUniversity of Houston·DateJul 1, 2020
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.

CityU's CRISPR-assisted novel method detects RNA-binding proteins in living cells

Researchers from CityU have developed a novel detection method called CARPID to identify binding proteins of specific RNAs in living cells. The method uses CRISPR/dCasRx system and biotin-labelling technology to detect RNA-protein interactions, showing high specificity and applicability for lncRNAs of different lengths.

SourceCity University of Hong Kong·JournalNature Methods·DateJul 1, 2020

Scientists discover a new mechanism controlling liver cancer development

Researchers have identified a protein PPARα that regulates bile acid metabolism and suppresses the growth of cholangiocarcinoma in mice. The study provides new insights into liver cancer development and suggests potential therapeutic targets.

SourceCentro Nacional de Investigaciones Cardiovasculares Carlos III (F.S.P.)·JournalProceedings of the National Academy of Sciences·DateJul 1, 2020

Tabletop quantum experiment could detect gravitational waves

Researchers from UCL and international collaborators propose a detector using nano-scale diamond crystals to measure mid-frequency gravitational waves. The device would be 4000 times smaller than current detectors, enabling the study of black hole collisions and exploring nonclassical gravity.

SourceUniversity College London·JournalNew Journal of Physics·DateJul 1, 2020
Meta Quest 3 512GB

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

Ultrafast insulin formulation may enable faster management of blood sugar in diabetes

A new ultra-rapid insulin formulation, UFAL, reached peak activity in pigs with diabetes twice as fast as Humalog, a commercially available option. This could lead to faster quality-of-life improvements for diabetic patients by allowing quicker blood sugar level management during mealtimes.

SourceAmerican Association for the Advancement of Science (AAAS)·JournalScience Translational Medicine·DateJul 1, 2020

Is not helping a bad person good or bad?

A recent study challenges previous theoretical predictions on justified defection, a mechanism that ensures benefits are returned to cooperative individuals. Researchers found that people have a neutral attitude toward justified defection, unlike cooperation with a bad person, which is viewed as good.

SourceRissho University·JournalPLOS ONE·DateJul 1, 2020

Laser takes pictures of electrons in crystals

Researchers have developed a new laser-based microscope that can resolve the distribution of electrons in crystal lattices with unprecedented resolution. The technique, known as Light Picoscopy, uses powerful laser pulses to drive electrons into fast motion, allowing them to emit radiation that reveals their position within the crystal.

SourceUniversity of Rostock·JournalNature Communications·DateJul 1, 2020
Fluke 87V Industrial Digital Multimeter

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

A simpler way to make sensory hearing cells

Researchers have successfully reprogrammed three types of mouse cells into induced hair cell-like cells, offering a potential solution for identifying causes and treatments of hearing loss. The new cells possess characteristics similar to naturally occurring hair cells and are vulnerable to an antibiotic known to cause hearing loss.

SourceKeck School of Medicine of USC·DateJul 1, 2020

Treatments tested for invasive pest on allium crops

A Cornell University-led team of researchers found that traditional chemical insecticides work best against the invasive Allium leafminer on allium crops. Synthetic insecticides like dinotefuran and cyantraniliprole reduced damage by up to 89% and eradicated the insect in some cases.

SourceCornell University·JournalJournal of Economic Entomology·DateJul 1, 2020

Radar points to moon being more metallic than researchers thought

New radar findings suggest the Moon's subsurface is richer in metals like iron and titanium than previously believed. The research uses dielectric properties to locate metal oxides in lunar soil, revealing a steady increase in concentration with crater size.

SourceNASA/Goddard Space Flight Center·JournalEarth and Planetary Science Letters·DateJul 1, 2020

Smart structures: Structural cells of the body control immune function

Researchers discovered widespread expression of immune genes in structural cells, which contribute to the response to pathogens. The study highlights that structural cells are not only essential building blocks but also play a key role in defending against infections.

SourceCeMM Research Center for Molecular Medicine of the Austrian Academy of Sciences·JournalNature·DateJul 1, 2020
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.

Infant sleep problems can signal mental disorders in adolescents -- Study

A new study found that specific infant sleep problems can signal mental disorders in adolescents, including psychotic experiences and borderline personality disorder. The research analyzed data from over 7,000 participants and found associations between irregular sleep routines and shorter nighttime sleep.

SourceUniversity of Birmingham·JournalJAMA Psychiatry·DateJul 1, 2020

New drug reduces stroke damage in mice

Researchers at the University of Pittsburgh Brain Institute identified a novel drug that can protect the brain during and after a stroke. The study shows that injured neurons can remain viable if prevented from following biochemical pathways leading to cell death.

SourceUniversity of Pittsburgh·JournalScience Advances·DateJul 1, 2020