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Science News Archive May 2021 - Page 4


Page 4 of 47

Applying private insurer rules to Medicare Part B

Researchers estimated the extent of Medicare Part B medical services subject to private insurer prior authorization under coverage policies. The study found that these restrictions would have resulted in significant spending savings, affecting healthcare delivery and policy.

SourceJAMA Network·JournalJAMA Health Forum·DateMay 28, 2021

Declining biodiversity in wild Amazon fisheries threatens human diet

A study in the Peruvian Amazon reveals that declining fish biodiversity poses a significant risk to human nutrition, particularly for iron and essential fatty acids. The researchers predict that a tipping point will be reached when 40 of 60 food species become scarce or extinct, leading to a nosedive in nutritional value.

SourceColumbia Climate School·JournalScience Advances·DateMay 28, 2021
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.

Scientists call for international investment to tackle major wheat losses

A new R-Gene Atlas would help identify genetic solutions to disease resistance in commercial wheat varieties, reducing global food security risks. The proposed platform would enable breeders to design gene stacks using computer modeling before starting breeding in the field, with a potential cost of £41 million.

SourceJohn Innes Centre·JournalMolecular Plant·DateMay 27, 2021

Jebel Sahaba: A succession of violence rather than a prehistoric war

The Jebel Sahaba cemetery, 13 millennia old, was initially thought to be a testament to prehistoric warfare. However, recent analysis reveals a succession of violent episodes, likely exacerbated by climate change. The study found that individuals bore injuries from projectiles and repeated episodes of violence over their lifetimes.

SourceCNRS·JournalScientific Reports·DateMay 27, 2021

Artificial neurons recognize biosignals in real time

Researchers developed a neuromorphic chip that can detect high-frequency oscillations and recognize complex biosignals in real time. The technology has the potential to improve neurosurgical interventions and monitor epilepsy outside of hospitals.

SourceUniversity of Zurich·JournalNature Communications·DateMay 27, 2021
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.

Checking out plastic surgeons on Instagram? Your perception may be biased

A new study finds that plastic surgeons' apparent gender and ethnicity can influence patient perceptions of their competence. However, the findings suggest more favorable perceptions of surgeons of the same racial/ethnic group, which may be crucial for cosmetic surgery patients in the US.

SourceWolters Kluwer Health·JournalPlastic & Reconstructive Surgery·DateMay 27, 2021

New microscopy method reaches deeper into the living brain

Researchers have developed a new technique called diffuse optical localization imaging (DOLI) that enables noninvasive imaging of the brain's microvasculature and neural activity at depths of up to 4 millimeters. This method uses the NIR-II window and is poised to bring new insight into how the brain works in health and disease.

SourceOptica·JournalOptica·DateMay 27, 2021

Magnetized threads weave spectacular galactic tapestry

A new panorama of the Galactic Center builds on previous surveys, expanding Chandra's high-energy view. The image features X-ray and radio emission intertwined threads, bound by magnetic fields that may have formed through magnetic reconnection. This process drives galactic-scale outflows and affects cosmic rays and interstellar medium.

SourceCenter for Astrophysics | Harvard & Smithsonian·JournalMonthly Notices of the Royal Astronomical Society·DateMay 27, 2021

Key early steps in gene expression captured in real time by CSU researchers

CSU researchers have observed early RNA transcription dynamics by recording where, when, and how RNA polymerase enzymes kick off transcription. The breakthrough technology has far-reaching potential, including sharpening understanding of basic biological processes and unveiling genetic underpinnings of certain diseases.

SourceColorado State University·JournalNature Communications·DateMay 27, 2021
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.

Study sheds light on population history of northern east Asia

Researchers analyzed ancient DNA from 25 humans, revealing that the population dynamics between 40,000-9.5 ka were influenced by Ice Age climatic fluctuations. The study provides evidence for an Asian-specific variant associated with anthropogenic traits.

SourceChinese Academy of Sciences Headquarters·JournalCell·DateMay 27, 2021

NTU Singapore scientists turn aquaculture waste into new biomaterial for tissue repair

The researchers developed a biomaterial made from discarded bullfrog skin and fish scales that acts as a scaffold for bone-forming cells to multiply, leading to the formation of new bone. The biomaterial has shown low risk of triggering an inflammatory response and could be used to assist with bone growth around surgical implants.

SourceNanyang Technological University·JournalMaterials Science and Engineering C·DateMay 27, 2021

Using a DNA-led framework to reunite separated migrant families

A DNA-led framework is needed to reunite separated migrant families, prioritizing scientific rigor and rights protection. The proposed framework addresses trauma-informed protocols and existing standards for DNA technology, aiming to establish a global protocol for living family reunification.

SourceAmerican Association for the Advancement of Science (AAAS)·JournalScience·DateMay 27, 2021
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.

Families with a child with ADHD can benefit from mindfulness training

A study found that mindfulness-based intervention (MBI) improved mindful parenting, self-compassion, and mental health in parents of children with ADHD. The training also showed small effects on ADHD symptoms and anxiety in children, but a subgroup benefited from improved self-control.

SourceRadboud University Medical Center·JournalJournal of Child Psychology and Psychiatry·DateMay 27, 2021

Mixtures of two herbicides have less environmental impact when mixed in laboratories

A University of Córdoba study found that mixing two herbicides in laboratories results in a more effective and environmentally friendly method for controlling difficult-to-control weeds. The commercial mixture was shown to have a lower environmental impact than manual mixing, reducing risks and boosting effectiveness by 10-20%.

SourceUniversity of Córdoba·JournalEnvironmental Pollution·DateMay 27, 2021

Bacterium causing rabbit fever remains virulent for months in cold water

Francisella tularensis can persist in a dormant state for over six months in cold water without nutrients, remaining fully virulent. This discovery changes the understanding of the bacterium's ecology, suggesting it spends most of its time outside a host and amplifies disease events in mammals.

SourceNorthern Arizona University·JournalApplied and Environmental Microbiology·DateMay 27, 2021

Discovery may point to Parkinson's disease therapies

University of Guelph researchers have discovered how entangled proteins in brain cells enable Parkinson's disease to spread. Misfolded alpha-synuclein aggregates spread to other parts of the brain, impairing areas responsible for motor function and cognition.

SourceUniversity of Guelph·JournalCell Reports·DateMay 27, 2021
Apple iPhone 17 Pro

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

Soft drink ads target 'vulnerable'

A Flinders University study found participants with an automatic bias towards soft drinks were more responsive to TV ads than those without these tendencies. The researchers suggest targeting people who show cognitive vulnerabilities to reduce consumption of sugary drinks.

SourceFlinders University·JournalAppetite·DateMay 27, 2021

The robot smiled back

Researchers at Columbia Engineering have developed a new autonomous robot called EVA, which uses artificial intelligence to teach itself how to make appropriate reactive human facial expressions. This technology has the potential to improve interactions between humans and robots in various settings, such as nursing homes and factories.

SourceColumbia University School of Engineering and Applied Science·DateMay 27, 2021
Fluke 87V Industrial Digital Multimeter

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

Controlling magnetization by surface acoustic waves

A collaborative research group successfully controlled the magnetization of a ferromagnetic thin film using circular vibrations of surface acoustic waves. The discovery opens up new possibilities for combining and developing acoustic and magnetic devices.

SourceTohoku University·JournalNature Communications·DateMay 27, 2021

Starting local

A new study suggests that managing local environmental conditions can help coral reefs persevere in the face of climate change. Local factors like macroalgae presence and nutrient pollution exacerbate coral loss, but also offer opportunities for management to boost reef resilience.

SourceUniversity of California - Santa Barbara·JournalScience·DateMay 27, 2021

Biologists construct a 'periodic table' for cell nuclei

A team of biologists has developed a new classification system for cell nuclei, revealing how species can switch between different nuclear types. The researchers discovered that mutations in a protein called condensin II can convert human cells into fly-like nuclei, and created a computer program to simulate the effects.

SourceBaylor College of Medicine·JournalScience·DateMay 27, 2021
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.

High-capacity electrodes by valence engineering developed for desalination

Researchers from Hefei Institutes of Physical Science created three manganese oxides with different Mn valences for high-capacity capacitive desalination. The results showed that these electrodes displayed high salt adsorption capacity and corresponding high salt adsorption rates surpassing other carbon materials.

SourceHefei Institutes of Physical Science, Chinese Academy of Sciences·JournalNano Research·DateMay 27, 2021

Icebergs push back

Researchers at CU Boulder discovered that a sudden change in slushy iceberg aggregates can trigger calving events up to an hour before they occur. The findings may help scientists predict future sea-level rise scenarios and understand the forces determining how much ice discharges into the ocean.

SourceUniversity of Colorado at Boulder·JournalNature Geoscience·DateMay 27, 2021

New research could pave the way for safer and more efficient COVID-19 testing

Researchers developed a portable saliva screening test that detects SARS-CoV-2 using infrared light technology, offering faster and more efficient testing than current gold standard RT-PCR. The new approach has significant advantages, including speed, ease of use, affordability, and reduced risk to patients and healthcare workers.

SourceMonash University·JournalAngewandte Chemie·DateMay 27, 2021
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.

Online survey successful in gathering COVID-19 data at scale

An online survey capturing COVID-19 symptoms received over 87,000 responses, providing important insight into the spread of disease. The survey revealed patterns of symptoms and correlations with testing rates in U.S. states.

SourceRegenstrief Institute·JournalJournal of Medical Internet Research·DateMay 27, 2021

Video platforms normalize exotic pets

Researchers analyzed YouTube comments on exotic animal videos and found overwhelmingly positive reactions to human-animal interactions. The study highlights concerns about the normalization of exotic pets and the exotic pet trade due to platform portrayals.

SourceUniversity of Adelaide·JournalPLOS ONE·DateMay 27, 2021

Moon research to expand lunar measures beyond Apollo missions

Researchers from Simon Fraser University and Canadian Space Agency will develop a new system to capture detailed seismic and gravimetric models of the lunar subsurface. This project aims to advance our understanding of the moon's geophysical properties and inform future exploration, potentially enabling human settlement.

SourceSimon Fraser University·DateMay 27, 2021

Research news tip sheet: Story ideas from Johns Hopkins Medicine

Researchers at Johns Hopkins Medicine found long-term exposure to PM2.5 increases the risk of losing one's smell by nearly twice, potentially due to airborne pollutants reaching the olfactory nerve. The study also highlights the need for better air pollution management, especially in vulnerable populations.

SourceJohns Hopkins Medicine·JournalJAMA Network Open·DateMay 27, 2021
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.

Sleep warning for older men

A study published in the Journal of Sleep Research found that disrupted slumber can be associated with cognitive dysfunction in middle-aged and older men. The research suggests that optimal attention and cognitive speed may be affected by poor sleep, particularly in day-to-day activities such as driving and physical activities.

SourceFlinders University·JournalJournal of Sleep Research·DateMay 27, 2021

Escape from oblivion: How the brain reboots after deep anesthesia

A team of researchers studied how the brain recovers from general anesthesia, finding that recovery unfolds over time and higher cognition recovers first. After anesthetizing 30 healthy adults for three hours, they discovered that abstract problem-solving abilities return before reaction time and attention.

SourceMichigan Medicine - University of Michigan·DateMay 27, 2021

Shedding new light: A new type of immunosensor for immunoassay tests

Researchers developed a novel immunosensor called BRET Q-body, which works on the bioluminescence resonance energy transfer principle. The sensor detects antigens by inducing fluorescence through an enzyme-luminescent substrate reaction, allowing for simple and accurate immunoassay tests.

SourceTokyo Institute of Technology·JournalAnalytical Chemistry·DateMay 27, 2021
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.

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.

Recruiting bacteria to build catalysts atom by atom

Scientists have discovered a way to synthesize highly active single-atom catalysts using iron-breathing bacteria, promising a cheap and reliable method for hydrogen production. The innovation utilizes the bacterium's metal-reducing ability to conduct electrons and produce single atoms of catalytically active metals.

SourceKing Abdullah University of Science & Technology (KAUST)·JournalAdvanced Functional Materials·DateMay 27, 2021

Why is it so hard to withdraw from some antidepressants?

New research identifies persistent Gαs associated signaling changes in lipid rafts following drug withdrawal as the cause of antidepressant withdrawal syndrome. This finding has significant implications for developing personalized treatment for depression.

SourceUniversity of Illinois Chicago·JournalMolecular Pharmacology·DateMay 27, 2021
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.

Trust is key for the parents of children with rare diseases to live without anxiety

Researchers from UOC's PSINET group found that trust enables parents to confront the role of parent/caregiver without high levels of stress. A long process of overcoming fear and finding meaning leads to a reparative effect on existential unease, resulting in well-being.

SourceUniversitat Oberta de Catalunya (UOC)·JournalInternational Journal of Environmental Research and Public Health·DateMay 27, 2021