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Science News Archive September 2020


Page 48 of 49

Different responses in individual cells give muscles more control

Researchers discovered that individual muscle cell contractions provide essential information, enabling muscles to flex with precise control. This finding challenges the notion of 'noise' or error, revealing biological systems may have evolved to incorporate variation as a means of communication.

Drones can be a source of disturbance to wintering waterbird flocks

New research by the British Trust for Ornithology finds that drones can scare wintering waterbirds into flight, causing them to waste energy and reduce their feeding time. The study reveals that larger flocks are more likely to respond to drone disturbance, with habitats like arable farmland being particularly sensitive.

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.

Scientists shed new light on pollen tube growth in plants

Researchers discovered that the KATANIN enzyme plays a crucial role in moderating mechanical properties of papilla cell walls, allowing correct pollen tube orientation and successful fertilization. This finding suggests KATANIN's potential role in the success of flowering plants on Earth.

Face shields, masks with valves ineffective against COVID-19 spread

Researchers found that face shields and masks with exhalation valves are less effective in preventing the spread of COVID-19 than cloth or surgical masks. The study used visualizations to show how droplets can pass through the valve unfiltered, making these masks ineffective.

Apple iPhone 17 Pro

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

Graduate student names new trace fossil discovered during coursework

A graduate student has identified a new marine wood-boring trace fossil, Apectoichnus lignummasticans, found in the University of Alberta's Drill Core Collection. The discovery provides evidence that the shallow sea covering Western Canada extended into Saskatchewan roughly 100 million years ago.

Hope for 500 000 insomniacs in Norway

A new study found that a fully automated digital version of cognitive behavioral therapy for insomnia was effective in improving sleep quality and reducing the need for sleeping pills. The treatment helped approximately 58% of participants experience substantial improvement, compared to 20% in the control group.

Managing data flow boosts cyber-physical system performance

Cyber-physical systems face challenges due to large volumes of data flowing through communication networks, causing routing and queuing delays that degrade system quality. The new algorithms developed by researchers strike a balance between communication sparsity, delay, and performance, ensuring safe and stable operation.

Securing the internet

Researchers studied AS interdependence, peering relationships, and cybersecurity threats. They found that organisations can't control their partners' choices, increasing the attack surface. However, some connections can reduce security threats by facilitating information sharing. Education and awareness are key to improving cybersecuri...

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.

Growth hormone plays key role in early puberty, breast cancer risk

A study of over 180 girls found that those entering puberty early have a longer window of susceptibility to breast cancer, with higher growth hormone levels and slower pubertal progression. This can be mitigated through healthy lifestyle habits, such as exercise, balanced diet, and reduced exposure to endocrine disruptors.

An embedded ethics approach for AI development

An interdisciplinary team at TUM advocates integrating ethics into AI development from the beginning. Key findings show that embedded ethics approach can promote ethical awareness and social issues analysis in engineering teams. The project aims to develop concrete solutions for engineers and designers.

A surprising opportunity for telehealth in shaping the future of medicine

A new study published in the Aesthetic Surgery Journal found that UT Southwestern's expanded telehealth services increased patient care in specialties like plastic surgery. The study reported significant benefits for patients, including reduced stress, missed work, and hospital visits, as well as improved access to care.

Narcolepsy drug did not increase risk of fetal malformation

A large Swedish-Norwegian study involving over two million pregnancies found no association between modafinil use and an increased risk of fetal malformations. The study, published in JAMA, compared exposure to modafinil during early pregnancy with non-exposure, finding a relative risk of 1.06, which was not statistically significant.

Severe Covid-19 despite or even due to the strong immunity

Researchers found comparable immune reactions in clinical follow-up of recovered and seriously ill Covid-19 patients. A strong T-cell and antibody response was detected in both mild and critically ill patients, but did not guarantee recovery.

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.

First treatment identified for fainting

Researchers report the first effective therapy for fainting, which is caused by a fall in blood pressure and/or number of heart beats. The new treatment involves pacemaker therapy, showing a 77% relative risk reduction of fainting over two years.

As rural western towns grow, so do their planning challenges

A new study examines the planning challenges in rural gateway communities across the American West, where booming tourism and steady population growth pose unprecedented pressures. Housing affordability is a top concern, with nearly all survey respondents and interviewees citing it as an urgent issue.

Swedish workers among Europe's best-paid in late 1800s

New research from Uppsala University reveals that Swedish construction workers' wages rose by 176% between 1831 and 1900, surpassing other European cities like Amsterdam and Paris. This unexpected trend can be attributed to high labor market mobility and mass emigration to America, which reduced the supply of unskilled labor.

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.

Red fox displaces Arctic fox thanks to littering

A study found that red foxes are outcompeting Arctic foxes for food in the high mountains, thanks to human littering. In contrast, Arctic foxes avoid areas with more litter and prefer cleaner habitats. This shift is altering alpine ecosystems.

Scientists identify promising new ALS drug candidates

Researchers have developed novel Selenium-based compounds that can stabilize the SOD1 protein, which causes ALS. These compounds show improved in vitro therapeutic effects and demonstrate disease onset delay in an ALS mouse model. The findings hold promise for a new class of drug candidates for ALS treatment.

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.

RethiNKing which immune cells are the best weapon against lung cancer

Researchers at the Walter and Eliza Hall Institute found that natural killer cells are essential for slowing small cell lung cancer's aggressive spread, while T cells do not play a significant role. Supercharging NK cells further enhances their cancer-fighting abilities, offering hope for better treatments.

Detecting small amounts of virus in early infections

A membrane-based invention can concentrate virus content from urine or saliva samples, allowing for early detection of COVID-19. The technique is promising for pregnancy testing as well, with a sample analysis time of just five minutes.

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.

VAT cuts do not increase consumer purchasing power

A recent EU study found that VAT cuts are less likely to be passed on to consumer prices than hikes, with firms instead using the reduction to improve finances. The study analyzed over 2800 commodities and found that prices tend to rise 3-4 times more after a VAT hike.

Small fish populations accumulate harmful mutations that shorten lifespan

A genetics study in wild turquoise killifish reveals that small population sizes contribute to the accumulation of harmful mutations, leading to shorter lifespans. The findings provide insights into how population dynamics influence aging and could inform new approaches to understanding human aging.

Be generous, live longer

Researchers found a strong linear relationship between societal generosity and life expectancy. Societies with higher transfer payments have lower mortality rates, particularly in Western European countries and Japan.

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.

Understanding the link between hearing loss and dementia

Researchers at Newcastle University propose a new theory that links hearing loss to dementia, suggesting that the auditory system's impact on brain function may trigger Alzheimer's disease. The study identifies key aspects of this connection, including memory centers and cognitive impairment.

Direct observation of desorption of a melt of long polymer chains

Researchers have successfully observed the desorption of long polymer chains from a surface, classifying it as a first-order phase transition. This breakthrough study uses fast scanning calorimetry to measure heat exchange and characterizes the elusive adsorption/desorption transition.

Memory in a metal, enabled by quantum geometry

Scientists at HKU and Stanford University develop a new data storage method that uses quantum geometry to store information. This technology reduces energy consumption by over 100 times compared to traditional methods, making it ideal for emerging in-memory computing and neural network computing.

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.

Maria Pazi named European Science Journalist of the Year at ECSJ2020

Maria Pazi, a Russian science journalist with a background in biology, won the award for her outstanding work. She was chosen from among numerous nominees, including Micho Tatalovic and Stan van Pelt, who also received recognition for their contributions to European science journalism.

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.

The effect of military training on the sense of agency and outcome processing

Research found that military training attenuates the sense of agency and outcome processing in individuals, especially those in lower ranks. In contrast, senior personnel showed no such effect. The study suggests that hierarchical environments can negatively impact an individual's feeling of responsibility for their actions.

Brain estrogen is key to brain protection when oxygen is low

When brain oxygen is low, neurons produce estrogen that activates astrocytes to increase cell signaling, release neuroprotective factors, and clear neurotoxins. Astrocyte activation is critical for brain protection, and researchers have found that neuron-derived estrogen is essential for this process.

Keeping the beat - it's all in your brain

A study by McGill University researchers has identified neural markers related to beat synchronization in musicians' brains, revealing that it takes more than just moving or listening well to keep the beat. The findings suggest that practice can improve one's ability to synchronize and that around 2-3% of the population are 'beat deaf',

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.

Words matter: Revealing 'how' restaurateurs land investors online

A study at the University of Houston found that concrete language styles and storytelling techniques can boost restaurant crowdfunding success rates. Using specific words, such as articles and prepositions, and delivering stories with fewer first-person pronouns can make pitches more compelling to investors.

COVID-19 news from Annals of Internal Medicine

Researchers from the University of Hong Kong investigated SARS-CoV-2 transmission via fecal aerosols in a Guangzhou high-rise apartment building. They found evidence suggesting that toilet flushing by infected patients may have caused the outbreak. The study's findings emphasize the importance of adequate hygiene and ventilation to pre...

Loggerhead turtles record a passing hurricane

Researchers tracked changes in loggerhead sea turtle behavior before and after Hurricane Irene passed through the Mid-Atlantic Bight. The study found that turtles reacted to environmental changes, including cooler surface temperatures and disrupted thermocline layers, which influenced their movements and dive behavior.

Meta Quest 3 512GB

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

Cancer cells take over blood vessels to spread

Researchers at Johns Hopkins Kimmel Cancer Center created a 3D blood vessel model to study how cancer cells spread. They found that cancer cells can take over existing blood vessels, causing them to leak or constrict, and release tumor cells into the bloodstream.

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.

Scent-sensing cells have a better way to fight influenza

Researchers found that olfactory sensory neurons can activate antiviral genes to fight off the virus, but at a higher level than other cell types. This unique response may be a brain-protective mechanism, allowing these cells to avoid being destroyed by the infection.

Can sunlight convert emissions into useful materials?

Researchers at USC Viterbi develop a method to upcycle carbon dioxide emissions into polymers and other materials using sunlight, breaking the need for energy-intensive processes. High school student researcher Samantha J. Gomez contributes to the study, which aims to reduce environmental impacts.