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Science News Archive October 2020 - Page 5


Page 5 of 47

Researchers break magnetic memory speed record

A team of researchers has developed a new technique for magnetization switching in spintronic devices, nearly 100 times faster than current state-of-the-art methods. The breakthrough could lead to the development of ultrafast magnetic memory for computer chips that retain data even when power is off.

SourceUniversity of California - Berkeley·JournalNature Electronics·DateOct 28, 2020

Home-time metric needed to judge hospital readmissions, studies suggest

Researchers propose adding a new metric to examine how many days patients spend at home after hospitalization, balancing current readmission rates with post-discharge care needs. The proposed '30-day risk-adjusted home time' metric could provide a more comprehensive picture of patient outcomes.

SourceUT Southwestern Medical Center·JournalJAMA Cardiology·DateOct 28, 2020

Performance test for neural interfaces

Neural interface electrodes play a crucial role in studying the nervous system and developing potential treatments for diseases. A new set of guidelines has been established to standardize the testing of these electrodes, enabling transparent reporting and promoting an efficient scientific process.

SourceUniversity of Freiburg·JournalNature Protocols·DateOct 28, 2020
Apple iPhone 17 Pro

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

Artificial intelligence dives into thousands of WW2 photographs

A new study by Aarhus University uses AI to analyse thousands of WW2 photographs, enabling the identification of photographers based on image characteristics. The technology has significant applications in humanities and social sciences, including linking photo archives to war-related research.

SourceAarhus University·JournalIEEE Access·DateOct 28, 2020

A patch that could help heal broken hearts

Researchers developed a cardiac patch with engineered blood vessels that improved recovery from myocardial infarction in rats and pigs. The patch promoted cardiac muscle and blood vessel growth, reducing scar tissue and inflammation.

SourceAmerican Chemical Society·JournalACS Biomaterials Science & Engineering·DateOct 28, 2020

Ancient marine predator had a built-in float

A new species of ancient marine reptile, Brevicaudasus jiyangshanensis, has been identified in China, featuring a short, flattened tail used for balance. This adaptation allowed the creature to float motionless underwater, conserving energy while searching for prey.

SourceTaylor & Francis Group·DateOct 28, 2020
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.

Workplace interruptions lead to physical stress

A recent study by ETH Zurich researchers found that workplace interruptions lead to increased cortisol levels and physical stress. Participants who received chat messages from superiors during a task reported better emotional and cognitive responses to stress.

SourceETH Zurich·JournalPsychoneuroendocrinology·DateOct 28, 2020

Learning the language of sugars

Researchers created a glycan grammar system using natural language processing algorithms, enabling the prediction of immune responses to specific glycans. The tools allow for systematic study of glycans and their role in host-microbe interactions, expanding understanding of pathogenicity and molecular mimicry.

SourceWyss Institute for Biologically Inspired Engineering at Harvard·JournalCell Host & Microbe·DateOct 28, 2020

Giant lizards learnt to fly over millions of years

Scientists used a new method to show that pterosaurs gradually improved their flight performance over millions of years, adapting their body shape and size to use 50% less energy. The study also revealed that one group of pterosaurs, azhdarchoids, did not improve their flying abilities despite growing in size.

SourceUniversity of Reading·JournalNature·DateOct 28, 2020

Antiseizure medication in pregnancy associated with twice the risk of autism in child

A study published by the American Academy of Neurology found that women with epilepsy who take valproic acid during pregnancy are at double the risk of having children with autism spectrum disorder and nearly double the risk of ADHD. The research used data from over 14,000 children born to mothers with epilepsy between 1996 and 2011.

SourceAmerican Academy of Neurology·JournalNeurology·DateOct 28, 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.

Social isolation puts women at higher risk of hypertension

Researchers found that middle-aged and older women with few social ties were more likely to develop high blood pressure than men, even when controlling for other factors. The study suggests that regular social participation can have a protective effect among non-partnered women.

SourceUniversity of British Columbia·JournalJournal of Hypertension·DateOct 28, 2020

Knotting semimetals in topological electrical circuits

Physicists have developed a new class of designer electrical system, topolectrical circuits, that can emulate complex physical behavior of crystalline solid materials. This innovation uses ubiquitous electrical components to create knots in momentum space, mimicking semimetals.

SourceSingapore University of Technology and Design·JournalNature Communications·DateOct 28, 2020

Younger knee replacement patients more likely to require reoperation

Researchers at the University of Missouri School of Medicine found that younger patients are more likely to require revision surgery after knee replacement due to higher infection rates and mechanical complications. Smoking cessation efforts may be key to improving outcomes for this age group.

SourceUniversity of Missouri-Columbia·JournalThe Journal of Arthroplasty·DateOct 28, 2020

A drop in temperature

Researchers have found a significant decline in average body temperature among healthy adults worldwide, with a drop of 0.09°F per year over the past two decades. The study, conducted in Bolivia and the US, suggests that improved hygiene, clean water, vaccinations, and medical treatment may be contributing factors.

SourceUniversity of California - Santa Barbara·JournalJournal of Mathematical Sciences Advances and Applications·DateOct 28, 2020

International collaboration reveals China's carbon balance

An international team of researchers estimated China's carbon mitigation efforts, revealing the country reabsorbs 45% of its annual human-made CO2 emissions through forest growth. The study used newly available data and independent satellite measurements to corroborate findings.

SourceInstitute of Atmospheric Physics, Chinese Academy of Sciences·JournalNature·DateOct 28, 2020
Garmin GPSMAP 67i with inReach

Garmin GPSMAP 67i with inReach provides rugged GNSS navigation, satellite messaging, and SOS for backcountry geology and climate field teams.

Study raises questions about role of leisure activity in dementia

A new study found no association between leisure activities at age 56 and dementia risk over 18 years, but found that stopping participation may be an early sign of dementia. People who took part in more leisure activities at older ages were less likely to develop dementia.

SourceAmerican Academy of Neurology·JournalNeurology·DateOct 28, 2020

CU Denver study looks into the connection between religion and equal pay

A new study by CU Denver researchers finds that religiosity perpetuates the gender wage gap, with women earning 46% less than men in the most religious countries. The study suggests that religion sets up different social expectations for men and women, resulting in unequal power distribution and career opportunities.

SourceUniversity of Colorado Denver·JournalAcademy of Management Journal·DateOct 28, 2020
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.

Scientists discover second key pathway in colon cancer stem cell growth

Researchers at ChristianaCare's Helen F. Graham Cancer Center & Research Institute have identified a link between two crucial signaling pathways in the development and growth of colon cancer. The study found that an imbalance between WNT and RA signaling can lead to the evolution of colorectal cancer from stem cell populations.

SourceChristianaCare·JournalPLOS ONE·DateOct 28, 2020

Let's (not) stick together

Researchers examined Pseudomonas aeruginosa strains in cystic fibrosis patients, revealing unique mucus properties that contribute to antibiotic resistance and immune evasion. The study's findings could lead to the development of more effective mucolytic drugs.

SourceUniversity of Pittsburgh·JournalActa Biomaterialia·DateOct 28, 2020

Raptor-inspired drone with morphing wing and tail

A drone inspired by the northern goshawk's wing and tail motion was developed to approximate raptor-like flight performance, achieving faster turns and decelerations. The device features a morphing wing and tail that adjust in synergy for optimal agility.

SourceEcole Polytechnique Fédérale de Lausanne·JournalScience Robotics·DateOct 28, 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.

Research lowers errors for using brain signals to control a robot arm

Researchers from India and the UK developed a new brain-computer interface that uses EEG signals to control a robot arm with reduced positional error. The system achieves this by utilizing the P300 signal, which allows the robotic arm to make finer adjustments and reduce errors.

SourceChinese Association of Automation·JournalIEEE/CAA Journal of Automatica Sinica·DateOct 28, 2020

Cut chores and kill chill time: new advice to boost children's academic achievement

New research from the University of South Australia found that lower light physical activity is related to better numeracy and literacy skills in children. Parents can boost their child's academic success by ensuring they get enough sleep, exercise, and study time, as excessive light physical activity can displace these activities.

SourceUniversity of South Australia·JournalHealth Education & Behavior·DateOct 28, 2020
Celestron NexStar 8SE Computerized Telescope

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

Astronomers discover activity on distant planetary object

Researchers at Northern Arizona University have discovered activity on the Centaur 2014 OG392, a minor planet in the outer solar system. The discovery led to its reclassification as a comet, C/2014 OG392 (PANSTARRS), due to the presence of a coma and sublimation processes indicating the presence of carbon dioxide or ammonia.

SourceNorthern Arizona University·DateOct 28, 2020

Understanding long-term trends of stressors on koala populations

A 29-year analysis of koala rescue data in New South Wales highlights the impact of increased human activities and bushfires on koala populations. Disease, particularly chlamydia, was found to be a major stressor, with incidents increasing over time, while release rates dropped and euthanasia rates rose.

SourcePLOS·JournalPLOS ONE·DateOct 28, 2020

New imaging technique doubles visibility of brain tumors in scans

A new three-dimensional imaging technique has been developed to improve the visibility of brain tumors in MRI scans, doubling contrast between tumors and normal brain tissue. This could enable earlier detection and more effective treatment of malignant tumors.

SourceNorthwestern University·JournalScience Advances·DateOct 28, 2020
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.

Liquid nanofoam: A game changer for future football helmets

A liquid nanofoam material with nanopores creates a large surface area, making it pliable and deformable for effective protection. The material outperformed traditional foam in laboratory tests, offering potential to be used in helmets and other safety devices.

SourceMichigan State University·JournalProceedings of the National Academy of Sciences·DateOct 28, 2020

Biophysicists modelled the effect of antiseptics on bacterial membranes

A team of biophysics developed a computer model that shows antiseptics cause changes in bacterial membrane structure, making them weaker and more susceptible to external factors. The study's results can help combat bacterial resistance by optimizing antiseptic use and developing new agents.

SourceRUDN University·JournalThe Journal of Physical Chemistry B·DateOct 28, 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.

Single-atom alloy: Superb cocatalyst for photocatalysis

Researchers have developed a single-atom alloy co-catalyst that significantly enhances photocatalytic hydrogen production activity. By precisely controlling the Pt content in the Pd@Pt/MOF composite, they achieved an exceptionally high photocatalytic activity, surpassing its counterparts.

SourceScience China Press·JournalNational Science Review·DateOct 28, 2020

Reforestation plans in Africa could go awry

A new study warns that massive African reforestation efforts could harm ecosystems, as the biomes are divided into distinct types with unique tree species. The researchers analyzed 753 sites in both environments, finding that rainfall, seasonality, and temperature are key environmental factors.

SourceUniversity of Montreal·JournalProceedings of the National Academy of Sciences·DateOct 28, 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.

Nucleus accumbens recruited by cocaine, sugar are different

Researchers found that the nucleus accumbens recruited by cocaine use are largely distinct from those recruited by sucrose, offering a potential solution for treating substance use disorders without affecting biologically adaptive seeking of reward. The study identified specific neuronal ensembles and cell types involved in each response.

SourceUniversity of Wyoming·JournalMolecular Psychiatry·DateOct 28, 2020

Artificial intelligence-based algorithm for the early diagnosis of Alzheimer's

A machine-learning algorithm detects early stages of Alzheimer's disease using functional magnetic resonance imaging (fMRI). The algorithm uses a convolutional neural network (CNN) to analyze fMRI data and classify patients as healthy, mild cognitive impairment, or Alzheimer's disease.

SourceSPIE--International Society for Optics and Photonics·JournalJournal of Medical Imaging·DateOct 28, 2020

Study tracks public concerns on Twitter about COVID-19

A University of Illinois Chicago researcher analyzed over 13.9 million COVID-19-related tweets to track public concerns worldwide. The study found negative sentiments towards the pandemic's impact on economies and healthcare sectors until March 2020, when optimism about economic recovery grew.

SourceUniversity of Illinois Chicago·JournalJournal of Medical Internet Research·DateOct 28, 2020
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.

Video provides guidance on surgery to wean patients with COVID-19 off ventilators

A new article and video from Massachusetts General Hospital provide step-by-step guidance on performing a tracheostomy to facilitate ventilator weaning in COVID-19 patients, reducing aerosol transmission risk. The procedure can decrease sedating medication use and allow family members to interact with loved ones.

SourceMassachusetts General Hospital·JournalNew England Journal of Medicine·DateOct 28, 2020

Teen boys link marijuana use with more, better sex

Research from Washington State University found that adolescent males associate cannabis use with improved sexual activity, leading them to express intentions to use marijuana. In contrast, female peers were less swayed by similar messages.

SourceWashington State University·JournalThe Journal of Sex Research·DateOct 28, 2020

Reduction by reduction: Novel approach to mitigating chromium contamination in wastewater

Researchers at Tokyo University of Science create a novel approach to reducing chromium toxicity in wastewater through the chemical reaction of reduction, employing photocatalysts like titanium oxide and copper complexes. The method has high efficiency and is reusable, providing a promising technology for environmental regulation.

SourceTokyo University of Science·JournalNew Journal of Chemistry·DateOct 28, 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.

Study provides new estimates of breast cancer risks associated with HRT

A new study published in The BMJ provides updated estimates of the increased risks of breast cancer associated with hormone replacement therapy (HRT) use. For longer-term HRT use, the increased risks are lower than previously reported, while a more pronounced decline in risk is observed once HRT has stopped.

SourceBMJ Group·JournalThe BMJ·DateOct 28, 2020

High-sugar diet can damage the gut, intensifying risk for colitis

Researchers at UT Southwestern Medical Center found that high sugar diets worsened colitis symptoms and altered the gut microbiota in mice. The study suggests that consuming glucose from high fructose corn syrup may damage the protective mucus layer in the large intestine, increasing the risk of intestinal inflammation.

SourceUT Southwestern Medical Center·JournalScience Translational Medicine·DateOct 28, 2020

Paracetamol poisonings up

Researchers at ETH Zurich found a link between the increased availability of high-dose paracetamol tablets and a rise in poisoning cases. The study suggests that limiting pack sizes and promoting lower doses could help minimize accidental overdoses.

SourceETH Zurich·JournalJAMA Network Open·DateOct 28, 2020
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.

Burning biomass fuels at home led to 32% of premature deaths from inhaling fine particles in China in 2014

A new study found that burning biomass fuels like wood and crop residues contributes to 32% of premature deaths due to inhaling fine particle pollutants in China. Residential energy use, especially indoor emissions, pose significant health risks, with indoor PM2.5 concentrations being 3 times higher than outdoor air concentrations.

SourceAmerican Association for the Advancement of Science (AAAS)·JournalScience Advances·DateOct 28, 2020