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Science News Archive January 2021


Page 29 of 40

SARS-CoV-2 can infect neurons and damage brain tissue, study indicates

A recent study published in the Journal of Experimental Medicine found that SARS-CoV-2 can directly infect brain cells, leading to devastating consequences such as localized ischemia and cell death. The researchers also discovered that the virus's ability to invade the central nervous system may be related to its neurological symptoms.

Scientists have synthesized an unusual superconducting barium superhydride

Researchers from Russia, China, and the US have synthesized a new superconducting compound, BaH12, with an unusually high hydrogen content. The compound exhibits room-temperature superconductivity due to its molecular structure, marking significant progress in understanding potential room-temperature superconductors.

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.

Most distant quasar discovered sheds light on how black holes grow

Astronomers have observed a luminous quasar 13.03 billion light-years from Earth, providing insight into the formation of massive galaxies in the early universe. The quasar hosts a supermassive black hole equivalent to 1.6 billion suns and shows evidence of an outflowing wind, challenging current models of black hole formation.

Master designers: Architects of the brain revealed

Researchers at Kanazawa University have made significant discoveries about the mechanisms behind brain column formation. They found that planar cell polarity (PCP) and Wnt signaling pathways play key roles in creating these three-dimensional structures, which are essential for proper brain development.

Texas A&M research explores how melanoma grows and spreads

A study by Texas A&M University researchers investigated the role of metabolites in melanoma growth and spread. The team found significant differences in metabolite amounts between primary melanoma and surrounding tissues, suggesting that these substances may be responsible for tumor initiation and maintenance.

Apple iPhone 17 Pro

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

Fluke 87V Industrial Digital Multimeter

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

Hospitals must help their own COVID long-haulers recover, experts argue

A multidisciplinary team of experts calls for medical institutions to support and promote the safe return to work for all health care workers disabled from lingering COVID-19 symptoms. Current national guidelines focus on infection status, leaving institutions to establish their own policies or for employees to opt for medical leave.

New study reveals how fences hinder migratory wildlife in the West

A new study found that fences in the Western US region pose a significant barrier to migratory wildlife, with mule deer and pronghorn antelope encountering over 200 fence encounters per year. The study highlights the need for more 'wildlife-friendly' fences and encourages prioritizing fence modifications or removals.

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.

No-till practices in vulnerable areas significantly reduce soil erosion

Researchers at the University of Illinois developed a modeling framework to estimate soil erosion in the Drummer Creek watershed. The study found that even partial changes in tilling practices can have significant results, with vulnerable areas seeing a near-70% reduction in soil loss and sediment yield.

Sustainable transportation: clearing the air on nitrogen doping

A study published in Angewandte Chemie International Edition reveals the role of pyridinic nitrogen in optimizing oxygen reduction reactions in PEM fuel cells. Nitrogen-doped carbon catalysts were found to have improved performance, paving the way for more sustainable transportation technologies.

The earliest supermassive black hole and quasar in the universe

The most distant quasar known has been discovered, powered by the earliest known supermassive black hole weighing over 1.6 billion times the mass of the Sun. This fully formed distant quasar is also the earliest yet discovered, providing insight into massive galaxy formation in the early Universe.

SUTD develops new model of influence maximization

Researchers from SUTD developed a correlation-robust model of influence maximization, which assumes hidden correlations in influencers' behavior are detrimental to the company's interest. This model has computational benefits over traditional independent cascade models and can be used by practitioners to enhance network robustness.

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.

USTC obtains Pd-Pt tesseracts for oxygen reduction reaction

Scientists at USTC created a new type of catalyst by etching Pd-Pt nanocubes, resulting in higher surface area and active sites. The new tesseracts framework structure showed improved atomic utilization and stability, achieving mass activities 11.6 times that of commercial Pt/C catalysts.

Study finds future too warm for baby sharks

A new study found that as ocean temperatures rise, baby sharks are born smaller, exhausted, and undernourished, facing difficult environments for survival. The research suggests the future of these species will be threatened by warming waters.

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.

Quasar discovery sets new distance record

Astronomers have discovered the most distant quasar yet found, J0313-1806, which is 13 billion light-years away and powered by a supermassive black hole. The discovery provides valuable insights into how massive galaxies and their supermassive black holes formed in the early Universe.

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.

Long-range energy transport in perovskite nanocrystal films

Researchers have found that halide perovskite nanocrystals exhibit extraordinary energy transport properties, allowing them to travel longer distances than conventional nanostructures. This discovery has significant implications for the development of high-efficiency solar cells and light-emitting devices.

January/February 2021 Annals of Family Medicine tip sheet

A study found that crowdsourced dermatological diagnoses on Twitter were as accurate as traditional teledermatology methods, with expert consensus agreeing 60% of the time. However, consultation with a specialist may still be necessary due to security concerns and patient privacy issues.

Celestron NexStar 8SE Computerized Telescope

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

Comprehensive characterization of vascular structure in plants

Researchers have analyzed the leaf vasculature of Arabidopsis thaliana using single cell sequencing, revealing distinct identities of phloem cells and their metabolic pathways. The study also identified specific transporters responsible for sugar and amino acid transport from leaves to roots and seeds.

Future too warm for baby sharks

New research found that baby sharks are born smaller, more exhausted, and undernourished when exposed to warmer ocean temperatures. The study, conducted by the ARC Centre of Excellence for Coral Reef Studies, suggests that this could lead to a decline in their ability to survive in environments already challenging for them.

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.

Is the COVID-19 vaccine safe for nursing mothers?

The Academy of Breastfeeding Medicine suggests that lactating women discuss the risks and benefits of COVID-19 vaccination with their healthcare provider. The ABM statement is based on biological plausibility and expert opinion, considering there are no clinical data on vaccine safety in nursing mothers.

Cats may help increase empathy, decrease anxiety for kids with autism

A recent study published in Journal of Pediatric Nursing found that adopting a cat can increase empathy and decrease separation anxiety in children with autism. The study monitored families with children aged 6-14 who adopted a calm and well-matched cat, reporting an instant bond between the child and their new pet.

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.

When AI is used to set prices, can inadvertent collusion be a result?

New research identifies a risk of collusive pricing behavior when AI algorithms set prices without observing competitor prices. This can lead to monopolistic price effects and supracompetitive market outcomes. The study suggests that independent AI algorithms can result in these negative consequences.

Primary care plays key role in managing COVID-19 in three Asian cities

Researchers studied the primary health care systems in three Asian cities to identify features that can help other cities prepare for future infectious disease outbreaks. Primary care played a key role in keeping COVID-19 cases and deaths relatively low, highlighting its importance in addressing future health crises.

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.

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.

No limit to cardiovascular benefits of exercise, study finds

A new study published in PLOS Medicine found a significant inverse association between physical activity and the occurrence of cardiovascular disease, with participants in highest quartiles showing substantial risk reduction. The study used data from 90,211 UK Biobank participants and found no threshold for this association.

Scientists identify 'immune cop' that detects SARS-CoV-2

Researchers at Sanford Burnham Prebys Medical Discovery Institute identified MDA-5 as the primary sensor in human lungs that detects SARS-CoV-2. The protein recognizes replicating viruses and activates interferon, a key player in the body's defense against viral invasion.

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.

Healthcare Nutrition Council leads the way on medical food discussions

A recent publication in Current Developments in Nutrition shares the historical and regulatory context of medical foods and perspectives on their role in the future. The Healthcare Nutrition Council's Medical Foods Workshop highlighted key considerations for patient access and product innovation, driving consensus on terms and definiti...

Can sodium-ion batteries replace trusty lithium-ion ones?

Researchers have discovered a promising material for sodium-ion batteries, offering enhanced electrochemical performance and reduced capacity loss. The study provides new insights into the sodium storage behavior of electron-rich element-doped amorphous carbon, paving the way for large-scale sodium-ion battery development.