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Science News Archive 2021


Page 299 of 510

Apple iPhone 17 Pro

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

Silicon chips combine light and ultrasound for better signal processing

Researchers at Bar-Ilan University developed a novel solution combining light and ultrasound waves to create ultra-narrow filters in silicon integrated circuits. This innovation addresses the challenge of accommodating long delays required for narrowband filtering, enabling more efficient microwave photonic systems.

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.

Triple-drug therapy safely cuts serious asthma flares

Researchers found that adding a third drug to dual-drug inhalers can reduce severe asthma exacerbations and improve asthma control in children, adolescents, and adults with moderate-to-severe asthma. The study included data from 20 randomized controlled trials involving almost 12,000 patients.

The 'Great Dying'

A new study reveals that the End-Permian extinction event, also known as the 'Great Dying', was caused by a rapid spike in global temperatures due to volcanic activity. The researchers found that the region experienced abrupt aridification and changed climate patterns, with high-southern latitudes serving as refugia for moisture-loving...

Music may benefit older adults with cognitive impairment

An analysis of nine studies found that active music-making can provide significant cognitive benefits to older adults with mild cognitive impairment or dementia. Music-based interventions have the potential to support millions of older adults in their emotional, social, and well-being needs.

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.

Genetic tools help identify a cellular culprit for type 1 diabetes

By mapping the genetic underpinnings of type 1 diabetes, researchers have identified a predictive causal role for specific cell types, including pancreatic exocrine cells. This study provides a major leap in understanding the causes of type 1 diabetes and may lead to new treatments for reversing its course.

Pets and their owners diet together, new study finds

A new international study found that pet owners who follow gluten-free, organic or grain-free diets are likely to look for similar characteristics in their dog's food. The study also found that dog owners in Germany preferred grain-free dog food at a rate of 30%.

We've got the dirt on soil protists

A recent study published in Microbiome Journal found that soil protists respond to plant signals, shifting community compositions and altering nutrient cycling. This groundbreaking research highlights the importance of including protists in terrestrial ecological studies.

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.

Rogue antibodies wreak havoc in severe COVID-19 cases

Researchers at Yale University found that autoantibodies in severe COVID-19 cases can attack healthy tissue and organs, leading to increased disease severity. The study also suggests that long-lived rogue antibodies may contribute to lasting medical symptoms, or long COVID cases.

Study reveals high levels of contaminants in killer whales

A study published in Environmental Toxicology and Chemistry reveals high levels of contaminants in killer whales near Norway, affecting their tissues and offspring. The findings also highlight the persistence and mobility of chemicals in marine ecosystems.

Fluke 87V Industrial Digital Multimeter

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

New FAST discoveries shed light on pulsars

The Galactic Plane Pulsar Snapshot (GPPS) has discovered 201 pulsars using the Five-hundred-meter Aperture Spherical radio Telescope (FAST), including many very faint and millisecond pulsars. The survey reveals more electrons in the Milky Way's spiral arms than previously known.

Lockdowns may affect children's fitness -- Study

Research has found that strict lockdowns during the COVID-19 pandemic delayed normal cardiorespiratory development in adolescents. The study, which involved 89 children aged 12-14 from Spain, found lower levels of fitness and health based on age and sex.

Researchers shed light on the evolution of extremist groups

Researchers at George Washington University found that extremist groups like Boogaloo and ISIS exhibit similar mathematical patterns in their online support, despite ideological differences. This knowledge can help social media platforms disrupt the growth of such groups.

A protein modification of MECP2 can convey neuroprotection under inflammation

Researchers discovered that phosphorylation of MECP2 protein decreases in brain cells as Alzheimer's disease progresses, while abolishing this phosphorylation enhances neuronal viability and gene expression. The study suggests that modifications of MECP2 could be a therapeutic target for developing specific therapies against AD.

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.

Long search finds grain of hope in the glume

Researchers at the John Innes Centre identified a key gene controlling grain elongation and glume characteristics in Polish wheat, which could lead to improved productivity and sustainability in wheat production. The discovery highlights the importance of understanding genetic control of agronomic traits for major crops like wheat.

Robotic 'Third Thumb' use can alter brain representation of the hand

Researchers at University College London developed a robotic 'Third Thumb' that allows users to perform dextrous tasks with one hand. The study found that participants' brains adapted to the extra thumb, changing their natural hand movements and reporting it felt like part of their body.

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.

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.

Synaptic transmission: Not a one-way street

Researchers at IST Austria discovered that key synapses in the hippocampus can send information in both directions, influencing pre-synaptic plasticity. The mossy fiber synapse adapts to the post-synaptic neuron's activity status, improving information storage in downstream networks.

Brain scans could offer sign of postpartum psychosis risk

Researchers found altered connectivity in brain networks associated with goal-directed behaviour and increased executive network activity in women at risk of postpartum psychosis. This could offer a vital marker for resilience to relapse, enabling earlier intervention.

How a virtual program may help kids get ready for kindergarten

Researchers found that a virtual Summer Success at Home program was feasible, popular with teachers and parents, and had modest success in helping children learn literacy skills, early math skills, and emotion understanding. The study suggests virtual interventions may be successful in promoting kindergarten readiness skills.

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.

'45 is the new 50' as age for colorectal cancer screening is lowered

The USPSTF has recommended lowering the age for colorectal cancer screening to 45 years of age, aligning with the American Cancer Society's 2018 guideline. This change aims to catch more early deaths and preventions due to increasing cases in younger individuals. Further research is needed to identify underlying causes and risk factors.

A randomised trial comparing imaging-guided PCI with Orsiro vs Xience

The CASTLE study investigated the role of imaging-guided percutaneous cardiac intervention (PCI) in clinical outcomes difference between ultra-thin strut biodegradable polymer sirolimus-eluting stent (Orsiro) and durable polymer everolimus-eluting stents (Xience). The results show no significant differences in target lesion failure rat...

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.

Alien radioactive element prompts creation rethink

The discovery of plutonium-244 and iron-60 in ocean crust suggests violent cosmic events occurred near Earth millions of years ago. The study's findings imply that supernovae can produce these heavy elements, complicating our understanding of their origins.

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.

Mapping the Midwest's soil topography

Researchers at Iowa State University are developing new models to predict soil erosion and topography changes in Iowa. The models use big-data technology and validate soil measurements from real-world LiDAR data, enabling more accurate predictions of environmental conditions.

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.

Towards a universal flu vaccine for Indigenous populations

Researchers identified specific influenza targets to protect Aboriginal and Torres Strait Islander people from severe disease through a universal T cell-based vaccine. The study aims to harness immune responses to protect high-risk populations, including those with high HLA-A*24:02 protein prevalence.

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.

Did Earth's early rise in oxygen help multicellular life evolve?

Researchers used directed evolution and mathematical modeling to test the Oxygen Control Hypothesis, finding that oxygen levels strongly constrain the evolution of macroscopic multicellularity. This contradicts previous theories suggesting oxygen should promote larger organisms.

Toward overcoming solubility issues in organic chemistry

A team of four scientists from Hokkaido University developed a rapid and efficient protocol for cross-coupling reactions using ball milling, expanding the pool of chemicals usable in organic synthesis. They successfully applied this method to mostly-insoluble aryl halides, yielding desired products.