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Science News Archive July 2021


Page 19 of 41

When mad AIOLOS drags IKAROS down: A novel pathogenic mechanism

Researchers at TMDU discovered a novel disorder resulting from a mutation in the AIOLOS protein, which causes immune deficiency and interferes with IKAROS protein function. The study found that the mutant protein forms a heterodimer with IKAROS, recruiting it to incorrect regions of the genome and leading to immunodeficiency.

3D "assembloid" shows how SARS-CoV-2 infects brain cells

Researchers created a stem cell model demonstrating SARS-CoV-2's entry into the human brain through blood vessels and infected pericytes. Astrocytes were the main target of this secondary infection, leading to complications like inflammation, clotting, stroke, or hemorrhages.

SUV39H2: A direct genetic link to autism spectrum disorders

A human variant of the SUV39H2 gene has been linked to autism spectrum disorders, causing cognitive inflexibility in mice and misregulated expression of genes related to brain development. The study suggests that histone methylation plays a crucial role in regulating gene expression, and its absence may lead to serious problems.

Apple iPhone 17 Pro

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

RUDN University biologists prove the anticancer potential of macrophages

Researchers identified that macrophages from different types of monocytes respond to inflammation in opposing ways, with CD14+monocytes being more prone to a pro-inflammatory response. This could lead to targeted activation of macrophages for cancer treatment by choosing the most suitable monocyte subset.

COVID-19 vaccination: Examining negative dominance on social media

A recent study published in the Disaster Medicine and Public Health Preparedness journal explores negative dominance of COVID-19 vaccine-related information online. The researchers found that compared to all other content, posts focused on adverse events pale in comparison to posts promoting positive messages about vaccines.

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.

Swimming at the mesoscale

Researchers from FAU and partners discover a microswimmer propelled by symmetrical oscillations, contradicting the Scallop theorem. The system uses the principle of inertia to move through fluid, with smaller beads reacting faster to spring force, causing asymmetrical motion.

Study finds vaccine hesitancy lower in poorer countries

A new study published in Nature Medicine reveals that willingness to get a COVID-19 vaccine is higher in developing countries, with personal protection being the main reason for acceptance. Concern about side effects was the most common reason for vaccine hesitancy, but health workers were considered trusted sources of information.

Celestron NexStar 8SE Computerized Telescope

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

Enabling the 'imagination' of artificial intelligence

USC researchers develop AI that can simulate human imagination by recombining learned knowledge of attributes. This technique enables controllable novel image synthesis, a key step towards overcoming the generalization problem in AI. The approach has potential applications in medicine, autonomous vehicles, and fairness in AI.

New discoveries and insights into the glass transition

Research from Tohoku University and Johns Hopkins University sheds new light on the glass transition in metallic glasses, influenced by high configuration entropy. The study introduces a novel glass-forming system with unprecedented thermodynamic and dynamic characteristics.

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.

New web platform for planning flood prevention in cities

The SaferPlaces web service uses open data to identify areas at risk and plan protection measures, such as building modifications and new dikes. By mapping hazards and damages, users can simulate the effects of measures on the platform, ensuring user-friendliness and efficiency.

How a butterfly tree becomes a web

A new study in Genome Biology and Evolution reveals extensive gene flow among butterfly lineages, resulting in a network of related species rather than a simple tree. This challenges traditional models of evolution and highlights the importance of adaptive introgression in shaping species diversity.

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.

The paradox of a free-electron laser without the laser

Researchers at the University of Strathclyde have developed a new method to produce coherent radiation using a short undulator and attosecond duration electron bunches. This approach could revolutionize light sources by making them compact, table-top size and capable of producing ultra-short duration pulses of light.

Climate change to bring more intense storms across Europe

A new study by Newcastle University and the Met Office predicts a significant increase in slow-moving intense rainstorms across Europe by the end of the century, potentially leading to devastating flooding. The research estimates that these storms could be 14 times more frequent, with increased rainfall accumulations and flash flood risk.

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.

Bats are kings of small talk in the air

Researchers found that bats can compress their echoes by up to 90% without losing essential information for sonar-based tasks. This efficient encoding strategy allows bats to navigate complex environments with minimal neural machinery, enabling them to detect location and movement with high accuracy.

Invention: The Storywrangler

Researchers developed the Storywrangler, a data-driven tool analyzing over 150 billion tweets, providing insights into global conversations, popularity, and emerging trends. The tool reveals potential predictors of geopolitical risk and demonstrates its potential to index everyday conversations.

Artificial sweeteners enable delivery of carbon monoxide to treat organ injury

Researchers at Georgia State University have developed an oral prodrug that delivers carbon monoxide via artificial sweeteners, showing promise in treating acute kidney injury. The study demonstrates the protective effects of CO against organ damage and suggests potential applications for transplantation and other conditions.

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.

Researchers surprised to find bacterial parasites behind rise of 'super bugs'

Phages play a key role in initiating rapid bacterial evolution and the emergence of treatment-resistant superbugs, according to new research from the University of Pittsburgh School of Medicine. The study reveals that phages interact with bacteria and facilitate adaptation, allowing resistant strains to gain an evolutionary advantage.

Watching the ultrafast dance moves of a laser plasma

Researchers at Tata Institute of Fundamental Research developed a novel method to capture ultrafast motion of plasma at different transverse locations. The team's experiment shows that different portions of the plasma move in and out at different times, contrary to previous expectations.

Meta Quest 3 512GB

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

Race, politics divide Americans on sports issues

A new study by Ohio State University researchers found sharp divisions among Americans on whether college athletes should be paid and whether it's acceptable for pro athletes to protest racial injustice during the national anthem. The study analyzed opinions from over 1,400 Americans, revealing strong links between race, ethnicity, and...

Scientists get to the bottom of deep Pacific ventilation

A new study by University of New South Wales scientists has shed light on the pathways of ocean circulation that supply newly ventilated surface water to the deep Pacific. The research finds that diffusive transport plays a leading role in ventilating the shadow zone, which is crucial for biological production and climate regulation.

Psychiatric patients at increased risk of COVID-19 hospitalization and mortality

A large meta-analysis of 33 studies from 22 countries found that psychiatric patients are twice as likely to die or be hospitalized after SARS-CoV-2 infection. Patients with psychotic disorders, mood disorders, and those receiving antipsychotic or anxiolytic treatments are particularly vulnerable to COVID-19-associated mortality.

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.

From genes to memes: Algorithm may help scientists demystify complex networks

A new algorithm can help researchers understand how simple actions lead to complex behaviors in biological systems, such as cancer growth and voting patterns. The algorithm analyzes Boolean networks, which are collections of nodes that are either on or off, to identify attractors that correspond to stable long-term behaviors.

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.

How micro-circuits in the brain regulate fear

A recent study found that neuronal microcircuits in the amygdala play a crucial role in regulating fear responses and suppressing fear memories. The researchers' findings suggest that dysfunction of this system can contribute to anxiety disorders, paving the way for more effective therapies.

New model can predict multiple RNA modifications simultaneously

Researchers developed a new model, MultiRM, that can predict the 12 most desirable RNA modifications for large-scale prediction. The approach integrates multiple tasks into a single prediction task, providing a more comprehensive view of epitranscriptomes and discovering underlying mechanisms.

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.

US corn and soybean maladapted to climate variations, study shows

A University of Illinois study finds that US corn and soybean varieties have become more resilient to extreme heat and drought but less adapted to normal weather patterns, leading to reduced productivity. The researchers call for crop breeders to focus on developing crop varieties for diverse weather patterns.

Researchers reveal cause of Jupiter's x-ray aurorae

A research team has explained the cause of Jupiter's X-ray aurorae, a phenomenon puzzling scientists for decades. The study found that heavy ions with mega-electron volt energies produce the auroral flares, triggered by magnetic compression and electromagnetic waves in Jupiter's magnetosphere.

Add fatty acid to taste

A new method developed by Institute for Systems Biology allows researchers to show how fatty acids are absorbed by single cells. The study reveals that fatty acid uptake is differentially regulated by two downstream effectors of the mTOR pathway in brain cancer cells, uncovering a novel combination therapy to block tumor growth.

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.

No sign of COVID-19 vaccine in breast milk

A small UCSF study found that COVID-19 mRNA vaccines were not detected in human milk, providing early evidence of vaccine safety during breastfeeding. The study analyzed seven women and their children and found no trace of the vaccine in breast milk.

Common COVID-19 antibiotic no more effective than placebo

A UCSF study found that azithromycin was not effective in preventing symptoms of COVID-19 among non-hospitalized patients, and may actually increase their chance of hospitalization. The study's results challenge the widespread use of azithromycin as a treatment for outpatient SARS-CoV-2 infection.

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.

Repairing hearts with deadly spider venom

A drug candidate developed from a molecule in the venom of the Fraser Island funnel web spider can prevent damage caused by a heart attack and extend donor heart life for organ transplants. The treatment blocks a death signal sent from the heart after an attack, reducing cell death and improving survival.

Neuro-evolutionary robotics: A gap between simulation and reality

Researchers at Université libre de Bruxelles compare popular neuro-evolutionary methods for offline robot swarm design, observing a 'reality gap' where simulated neural networks fail in the real world. To address this, they propose reducing method 'power' to adopt simpler approaches with predefined building blocks.

Simplified method for calibrating optical tweezers

Researchers developed a simplified method to calibrate optical tweezers for measuring viscoelasticity in living cells. The new method reduces measurement time to just a few seconds, allowing for the study of dynamic processes that can't be captured with longer measurements.