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Science News Archive May 2021


Page 18 of 47

A rapid antigen test for SARS-CoV-2 in saliva

A rapid antigen test for SARS-CoV-2 in saliva has been developed, showing high accuracy and efficiency for mass-screening. The test uses chemiluminescent enzyme immunoassay (CLEIA) and can detect the virus within an hour.

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.

Same nerve cell -- Different influence on food intake

Researchers have identified two subtypes of POMC neurons with distinct hormone sensing and appetite suppression profiles. The findings suggest that the diversity of these neurons is crucial for their function in regulating metabolism.

A new rapid test detects a coronavirus infection in 10 minutes

Researchers developed a new rapid assay principle for viral antigen detection, enabling fast and accurate diagnosis of SARS-CoV-2 infections. The test can detect almost all specimens containing the virus and has a high theoretical capacity of up to 500 samples per hour.

Apple iPhone 17 Pro

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

Study solves mystery of how amyloid beta forms in brain nerve cells

Researchers at MGH have discovered the role of mitochondria-associated endoplasmic reticulum membranes (MAMs) in forming amyloid beta in axons and neuronal processes. The study suggests that targeting sigma-1 receptors or inhibiting palmitoylation may reduce Abeta production, providing a potential therapeutic strategy for Alzheimer's d...

Study on bizarre rodent genetics solves a mystery and reveals another

Researchers at San Francisco State University have discovered a strange and confounding system of genes in the creeping vole, a tiny rodent native to the Pacific Northwest. The team found that the X and Y chromosomes had fused, causing the X chromosome in males to act like a Y chromosome.

Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C)

Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C) keeps Macs, tablets, and meters powered during extended observing runs and remote surveys.

'Alien' plants could pose risk to fruit bats

A study found that introduced plant species on Christmas Island do not provide a balanced meal for fruit bats, putting their survival at risk. The researchers suggest preserving the animals' complex foraging habitats is key to their conservation.

Novel immunotherapy boosts long-term stroke recovery in mice

Researchers discovered that a population of regulatory T cells serve as tissue repair engineers to promote functional recovery after stroke. Boosting these cells improved behavioral and cognitive functions in mice for weeks after a stroke, pointing to potential immunotherapy.

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.

Racial/ethnic diversity among OBGYN, surgical, nonsurgical residents

Researchers found that the proportion of non-white residents increased among obstetrics and gynecology, surgical, and nonsurgical training programs. The study suggests improvements in diversity and inclusion efforts are needed to address racial and ethnic disparities in medical education.

Study points to potential treatment for citrus disease

A new study suggests that hexanoic acid could be a suitable substitute for chemical protection in citrus cultivation, addressing concerns about the impact of old-school defenses on food safety. Researchers believe this fatty acid may help protect against diseases like canker, which causes brownish lesions on leaves and fruit.

Research team develops new class of soft materials

Researchers at the University of Virginia School of Engineering have created a new class of soft materials with exceptional stretchability and elasticity, mimicking the properties of vocal cords. The elastomers can be 3D printed for use in healthcare and exhibit promising potential for future treatments.

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.

Workplace pandemic protocols impact employee behavior outside work

A new study from Washington State University found that workplace cultures adopting COVID-19 prevention measures led to fewer employees showing up to work and public places with symptoms. This effect was observed both inside and outside of work, and remote workers were also influenced by their employers' climate.

The way mice lick could reveal origins of neurological disorders

Researchers at Cornell University have developed a novel technique to study the neuroscience of motor control in mice by focusing on their tongue movements. This approach reveals similarities between mouse tongue movement and primate reach tasks, allowing for new insights into motor control and potential applications in understanding n...

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.

Scientists take a bite out of solar efficiency challenge with sandwich model

Researchers at the ARC Centre of Excellence in Exciton Science have discovered a 'sandwich' structure in 2D perovskite films used in solar cells. This layout encourages excitons to move from the central layer to both surfaces, helping to result in more efficient solar energy generation. Prototype devices have demonstrated 13% efficiency.

Consumer views on using digital data for COVID-19 control

A study of US consumer views on utilizing digital information for COVID-19 control found varying levels of acceptance based on several factors. The research identified key factors associated with higher or lower approval of using this information.

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.

Good results with online CBT for atopic eczema

Researchers found that internet-delivered cognitive behavioral therapy (iCBT) significantly improves eczema symptoms and reduces stress, insomnia, and depression. The treatment required fewer therapy resources than conventional face-to-face psychological treatment, making it a potential care option for a large patient group.

Apps to fight a crisis?

A research project at Göttingen University is studying the effectiveness of tracing apps in fighting crises. The team aims to assess the positive and negative effects of these 'societal apps' on individuals and society.

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.

Novel approach identifies genes linked to autism and predicts patient IQ

A new computational approach identifies genes most likely linked to autism spectrum disorders (ASD) and predicts patient IQ using rare mutations. Researchers analyzed de novo missense mutations in a cohort of patients with ASD and their siblings, revealing that most genes are mutated only once.

Meta Quest 3 512GB

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

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.

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.

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.

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.

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%.

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.

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.

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.

Celestron NexStar 8SE Computerized Telescope

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