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Science News Archive May 2021


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.

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.

Apple iPhone 17 Pro

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

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

Meta Quest 3 512GB

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

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

Spacetime crystals proposed by placing space and time on an equal footing

A Penn State scientist has developed a new mathematical formula that may solve the decades-old problem of spacetime in Einstein's theories of relativity. By placing space and time on an equal footing, Gopalan's approach removes the negative sign problem, allowing for traditional Euclidean geometry to be applied.

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.