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Science News Archive 2021


Page 168 of 510

The dream artificial photosynthesis technology ventures from the laboratory

Korean researchers have developed a nanometer-sized branch-shaped tungsten-silver catalyst that can acquire carbon monoxide in high yields from the electrochemical carbon dioxide conversion system. The catalyst exhibited a high sunlight-to-compound conversion efficiency of 12.1% when combined with commercialized silicon solar cells.

Comet atlas may have been a blast from the past

Astronomers discovered that comet ATLAS shares the same orbital track as an ancient comet from 1844, suggesting it's a sibling from a parent comet. The comet disintegrated while farther from the Sun than Earth, defying conventional wisdom about comets.

Discrimination, abuse and harassment in emergency medicine residency training

A survey study found that emergency medicine residents experience high rates of workplace mistreatment, including suicidal thoughts, and identify common sources of mistreatment as supervisors, colleagues, and patients. The study highlights the need for improved workplace culture and support systems to address these issues.

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.

Rattlesnake rattles trick human ears

Researchers discover rattlesnakes' high-frequency rattle fools humans into thinking they're closer than they are, allowing for a 'distance safety margin'. The study suggests snakes evolved this smart signal to avoid being stepped on by large mammals.

CRISPR screening tool identifies new drug target for leukemia

A CRISPR screening tool identified ZMYND8, an epigenetic regulatory protein, as a potential new therapeutic target for acute myeloid leukemia. Inhibiting ZMYND8 has been shown to leave cancer cells with smaller tumors and better survival in mouse models.

Scientists harness human protein to deliver molecular medicines to cells

Researchers have developed a new way to deliver molecular therapies to cells using a programmable system called SEND, which harnesses natural proteins in the body to encapsulate and deliver different RNA cargoes. This could lead to safer and more targeted delivery of gene editing and other molecular therapeutics.

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.

Nanopores: the how and the why (and hopefully the where)

Researchers studied electrical conduction through membranes during Controlled Breakdown, a technique to fabricate single nanopores. They found that redox reactions occur at the membrane-electrolyte interface, allowing localization of pore formation using metal microelectrodes.

Groundbreaking visualization of atomic movements

A novel method for imaging vibrations and movements of atoms in catalysts has been developed by a collaboration of internationally leading researchers. The new analytical method reveals a dynamic behavior of the atoms, contrary to the long-held expectation that atoms in nanoparticles are static during observations.

Apple iPhone 17 Pro

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

Antibodies block specific viruses that cause arthritis, brain infections

Researchers at WashU Medicine have identified two antibodies that protect animals from disease caused by alphaviruses, which could form the basis of treatments or serve as a template for a universal vaccine. The antibodies worked against all tested alphaviruses and prevented arthritis and brain infections in animals.

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.

Junctional pacemaker may replace the sinoatrial node

Researchers propose using junctional pacemakers to replace the sinoatrial node in patients with bicuspid aortic valve and sinoatrial node dysfunction. This innovative approach offers a new treatment strategy for managing daily life while avoiding the need for sinoatrial node replacement surgery.

Celestron NexStar 8SE Computerized Telescope

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

Rivers are largest global source of mercury in oceans

A new study by Yale University researchers reveals that rivers are the main source of mercury in coastal areas, rather than atmospheric deposition. The Amazon River, Ganges, and Yangtze are among the top contributors, with levels highest in August and September.

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.

Key mental abilities can actually improve during aging

New research from Georgetown University Medical Center found that certain brain functions associated with attention and executive control can improve in older individuals. These improvements may be due to lifelong practice and skill-building.

Measuring electric current in soil could provide answers on soil health

Researchers at Washington State University have created a sensor that can measure the electric current produced by tiny microbes in soil, allowing for real-time assessments of soil health and potential. This breakthrough could provide farmers with valuable insights into soil productivity, enabling data-driven management strategies.

Study shows uptick in U.S. alcohol beverage sales during COVID-19 pandemic

During the COVID-19 pandemic, U.S. alcohol retail store sales increased compared to usual trends, indicating a rise in home drinking and potential higher alcohol consumption. The study found that beer, wine, and liquor store sales increased by 17%, while food services and drinking places sales decreased markedly.

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.

NTU Singapore scientists develop ‘greener’ way to make fertiliser

Researchers at Nanyang Technological University (NTU) Singapore have devised a new method for producing urea, a key compound in fertilisers, through electrocatalysis. This approach produces urea five times more efficiently than previous methods and has the potential to contribute to sustainable agricultural practices.

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.

How ions get their electrons back

Researchers created highly charged ions by removing 20-40 electrons from atoms and studied their interaction with solid materials. They found that the ions capture electrons from the material to become electrically neutral, a process that can be explained by simple laws.

Fluke 87V Industrial Digital Multimeter

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

Nutrient-rich human waste poised to sustain agriculture, improve economies

A new study characterizes human urine-derived nutrients for sustainable agriculture, revealing three supply-demand typologies across the globe. Countries with co-located supply-demand, like India and Uganda, can reuse nutrients locally, while dislocated countries, such as the US and Australia, need concentrated fertilizer production.

Study identifies patterns in bird-plane collisions

Researchers from Cornell University have identified key factors in bird-plane collisions, including the time of year and species size, to inform collision avoidance strategies. The study predicts that risk for damaging strikes during periods with high migration intensity increases by up to 700%.

Restoring healthy gut bacteria through blood stem cell transplantation

Researchers found that hematopoietic cell transplantation (HCT) normalizes the gut microbiota of patients with IBD associated with XIAP deficiency. The study revealed that HCT decreases gut inflammation and restores diversity in gut microbiota, improving symptoms and quality of life for affected individuals.

Existing drugs kill SARS-CoV2 in cells

Researchers have identified several drug contenders that can block or reduce SARS-CoV2 infection in cells, including lactoferrin and MEK-inhibitors. These findings suggest potential efficacy against COVID-19 variants, with ongoing clinical trials to examine their ability to reduce viral loads and inflammation.

Meta Quest 3 512GB

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

Baby bat babbling strikingly similar to human baby babbles

A new study reveals that baby bat babbling is strikingly similar to human infant babbling, characterized by eight shared features. Researchers hope their findings will lead to further investigation into the cognitive mechanisms underlying this complex behavior.

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.

Rare gene variant increases susceptibility to zoonotic H7N9

A new study found that rare single-nucleotide variants in the MX1 gene increase human susceptibility to zoonotic H7N9 avian influenza infection. These genetic vulnerabilities may act as incubators for transmission of virulent new IAV subtypes, posing a risk for pandemic viruses.

A master gear in the circadian clock

Researchers have identified a gene called Npas4 that appears to influence hundreds of other genes for timekeeping in the brain. The study suggests that Npas4 is a master regulator of many light-induced genes, which could lead to new treatments for managing challenges such as jet lag and sleep disorders.

Flawed quality control in the brain

Scientists developed a new mouse line to study protein balance and quality control in the mammalian brain. The research revealed that different neurodegenerative diseases have distinct protein misfolding patterns, offering insights into potential therapeutic options.

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.

Effect of ‘eddy killing’ in oceans is no longer a matter of guesswork

A new method by University of Rochester scientists documents the impact of wind on mesoscale eddies, revealing a continual loss of 50 gigawatts of kinetic energy. This discovery provides a more detailed spatial analysis than existing methods and has significant implications for understanding ocean currents and climate.

US influence on Australia’s illegal pet trade

A study by University of Adelaide researchers found that unregulated reptile trade in the US drives demand for illegal reptiles in Australia. Three reptile families had the highest probability of being smuggled, with species listed in CITES Appendices I having a higher smuggling probability

Researchers find circular RNA can inhibit metastasis of gastric cancer

A recent study by Chinese Academy of Sciences researchers found that circular RNA circURI1 inhibits the spread of gastric cancer cells. It achieves this by sequestering hnRNPM, modulating alternative splicing in gastric cancer cells. This breakthrough provides a new perspective on the molecular basis of cancer metastasis.

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.