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Science News Archive March 2021


Page 27 of 53

Leprosy drug holds promise as at-home treatment for COVID-19

A recent study published in Nature suggests that the leprosy drug clofazimine exhibits potent antiviral activities against SARS-CoV-2 and prevents exaggerated inflammatory response associated with severe COVID-19. Clofazimine could be a potential at-home treatment for people who test positive for COVID-19 but are not hospitalized.

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.

Can I squeeze through here? How some fungi can grow through tiny gaps

A University of Tsukuba research team discovered that certain fungi can grow through narrow channels by altering their growth rate. This process allows them to maintain cell polarity and continue growing, whereas slower-growing species are impeded, resulting in defective cellular processes.

UK variant spread rapidly in care homes in England

A UK study found that the SARS-CoV-2 variant B.1.1.7 spread rapidly in care homes across England, reflecting its rapid growth in the general population. The proportion of infections caused by this variant increased sharply between late November and December, with a notable rise among older residents.

Extinct Caribbean bird's closest relatives hail from Africa, South Pacific

A genetic analysis of a fossil toe bone from the Haitian cave-rail has uncovered unexpected links between Caribbean bird life and the Old World. The study found that the species' closest relatives are actually flufftails, flying birds native to sub-Saharan Africa, Madagascar, and New Guinea, and adzebills, large, extinct, flightless bi...

Apple iPhone 17 Pro

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

Could birth control pills ease concussion symptoms in female athletes?

A Northwestern Medicine pilot study found that high levels of progesterone during the menstrual cycle can reduce stress after a concussion and speed recovery. Increased blood flow to the brain is also linked to lower stress symptom levels, providing new insights into how female athletes may recover from concussions.

Embryonic tissue undergoes phase transition

Scientists discover a crucial phase of embryonic development in zebrafish where the solid-like tissue becomes fluid-like, leading to morphogenesis. The study reveals that this change is caused by a critical point in cell connectivity, similar to phase transitions in non-living systems.

The blast that shook the ionosphere

A high-velocity atmospheric wave was generated by Beirut's 2020 ammonium nitrate explosion, rivalling those from volcanic eruptions. The blast caused electron disturbances in Earth's upper atmosphere, including changes in total electron content in the ionosphere.

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.

Leaders take note: Feeling powerful can have a hidden toll

Feeling psychologically powerful can make leaders feel their job is more demanding, yet this can also be beneficial for goal pursuit and meaningful work. However, it can cause pain and discomfort, particularly in those high in neuroticism.

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.

Lightning strikes played a vital role in life's origins on Earth

Researchers from the University of Leeds have established that lightning strikes played a vital role in creating conditions for life to emerge on early Earth. The team discovered large amounts of phosphorous minerals, essential for life, in fulgurite formed by lightning strikes.

Commercial truck electrification is within reach

Researchers from Berkeley Lab analyze total cost of ownership of electric and diesel long-haul trucks, finding electric trucks have a 13% per mile lower total cost of ownership. The study also shows future reductions in battery costs could reduce the difference to 50% per mile by 2030.

Trouble for honeyeaters that sing the wrong song

The critically endangered regent honeyeater is losing its 'song culture' due to declining populations. Research found that males sing simplified or incorrect songs when birds are rare, affecting their ability to communicate with females.

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.

Easing the burden on transgender and nonbinary graduate students

A new report suggests interventions in graduate education to create more supportive environments for TNB students. The existing literature highlights the association between discrimination against TNB college students and negative psychological outcomes, such as suicidal ideation.

Study of synapse strength focuses on 'active zones'

Researchers aim to understand how neurons construct synapses of different strengths, a key factor in the diversity of neural communication. They will focus on 'active zones' and test how protein availability and gene expression affect AZ development.

Study uncovers safety concerns with some air purifiers

A new study found that some air purifiers, marketed for COVID-19, can create a suite of other pollutants. The devices, which use ionizing technology, can decrease some VOCs but increase others, including harmful substances like formaldehyde and ozone.

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.

Quadruple fusion imaging via transparent ultrasound transducer

Researchers created a quadruple fusion optical and ultrasound imaging system, integrating four modalities: ultrasound, photoacoustic, optical coherence tomography, and fluorescence imaging. The system uses a transparent ultrasound transducer to produce high-quality images without limitations.

Alex's Lemonade Stand Foundation awards more than $18.5 million

The Crazy 8 Initiative aims to tackle major obstacles in pediatric oncology through collaborative research and innovative approaches. Grants will fund studies using cutting-edge technologies, such as targeted degradation and molecular glues, to develop new treatments for aggressive cancers.

Practical nanozymes discovered to fight antimicrobial resistance

Researchers at the University of Science and Technology of China have developed nanozymes that produce surface-bound ROS to selectively kill bacteria. The selectivity is attributed to the surface-bound nature of ROS and an unexpected antidote role of endocytosis, a common process in mammalian cells but absent in bacteria.

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.

Is there life on Mars today and where?

Dr. Nathalie Cabrol proposes that modern life on Mars could be more widespread and accessible than previously believed, and that understanding patterns resulting from extreme environmental interactions is key to finding life. She suggests taking the approach of Mars as a biosphere to find signs of microbial habitability.

What happened to mars's water? It is still trapped there

A significant portion of Mars's water is still present on the planet, with estimates suggesting 30-99 percent is trapped within minerals in the crust. This discovery challenges the current theory that the Red Planet's water escaped into space due to low gravity.

A new way to measure human wellbeing towards sustainability

A new indicator called Years of Good Life (YoGL) assesses overall progress towards global sustainability by considering life expectancy, poverty levels, and subjective life satisfaction. YoGL differs substantially between countries, highlighting gender inequality in living conditions and life satisfaction.

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.

How do birds breathe better? Researchers' discovery will throw you for a loop

Researchers at New York University discovered that birds' looped airways facilitate one-way flows of air, allowing them to perform complex tasks like flying across oceans and high altitudes. This finding offers new insights into aerodynamics and potential applications in flow engineering for respiratory ventilators and other technologies.

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.

Patient wait times reduced thanks to new study by Dartmouth engineers

A new study by Dartmouth engineers has reduced patient wait times at Lahey Hospital in Massachusetts by 23%. The researchers used optimization and simulation tools to analyze data and develop a mathematical model to optimize the length of each exam slot and placement of inpatient exams.

Militarization negatively influences green growth

A study of 21 OECD countries from 1980 to 2016 found that military spending hindered green economic growth. Militarization is a major consumer of non-renewable energy and causes significant air and environmental pollution. Economists recommend reducing military spending and transitioning to renewable energy sources.

New perovskite LED emits a spin-polarized glow

Researchers at NREL and University of Utah developed a spin-polarized LED using metal-halide perovskites, enabling room-temperature operation without magnets. This breakthrough has broad implications for applications like quantum computing and bioencoding.

How to prevent short-circuiting in next-gen lithium batteries

Researchers at MIT have developed a way to prevent dendrite formation in solid-state lithium batteries, potentially unlocking the potential of high-powered batteries. The team created a semisolid electrode with a self-healing surface, allowing for high current densities without dendrites.

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.

Sleep Research Society announces 2021 award recipients

Four sleep and circadian scientists were selected as 2021 SRS award recipients, including Allison G. Harvey for her treatment development research, Colin E. Sullivan for his novel discoveries on sleep apnea, Girardin Jean-Louis for his education and outreach efforts, and James K. Walsh for his public service and leadership in the field.

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.

Tired at the office? Take a quick break; your work will benefit

Researchers found that employees who took more frequent microbreaks were better able to manage their fatigue and engage with their work throughout the day. Microbreaks include short, voluntary respites such as snacking or chatting with colleagues, and can be beneficial for both employers and employees.

Propylparaben exposure during pregnancy may reduce protection against breast cancer

A new study published in the Endocrine Society's journal found that low doses of propylparaben can alter pregnancy-related changes in the breast, reducing protection against breast cancer. The researchers tested mice exposed to environmentally relevant doses of propylparaben during pregnancy and breastfeeding, finding increased rates o...

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.

A promising breakthrough for a better design of electronic materials

Scientists studied perylene diimide derivatives to understand their electrical behavior, finding that different molecular vibrations affect the speed of electrons. The breakthrough could lead to more efficient electronic materials, including applications for computers and energy storage.

The potential economic impact of volcano alerts

A new study suggests that volcano alerts issued during long periods of volcanic unrest can decline housing prices and other economic indicators. The greatest exception was Mount St. Helens, where volcano tourism and proximity to Portland may have mitigated the impact.

Multidrug-resistant candida auris discovered in a natural environment

Researchers have isolated multidrug-resistant Candida auris from a sandy beach and tidal swamp, revealing the fungus thrives in natural environments. Whole genome sequencing shows close relation to pathogenic strains in Southeast Asia, suggesting a possible connection between human activity and its emergence.

Ancient bone artefact found

A rare bone point, dated between 5,300-3,800 years old, has been discovered near the Lower Murray River, providing insights into Ngarrindjeri country's material culture. The artefact, likely made from a macropod bone, was found during excavation work and is believed to have been used for piercing soft materials or as a projectile point.

A new type of recyclable: Finding new uses for established drugs

Scientists at Tokyo Medical and Dental University identified a combination of pitavastatin and capmatinib as effective in inhibiting oral cancer cell growth. This breakthrough provides new hope for treating devastating diseases like esophageal carcinoma, which has no targeted therapies.

Fluke 87V Industrial Digital Multimeter

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

Pick up the pace!

A new study of UK Biobank participants found slow walkers have over twice the risk of contracting a severe version of COVID-19 and are almost four times more likely to die from the virus. The analysis examined body mass index (BMI) and self-reported walking pace with the risk of contracting severe COVID-19 and COVID-19 mortality.

Meta Quest 3 512GB

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