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Science News Archive 2021


Page 109 of 510

COVID-19: Coughing without masks, distancing alone is not enough

Researchers from McGill University found that unmasked individuals can spread COVID-19 airborne particles up to 70% within a 2-meter radius, highlighting the need for mask-wearing and ventilation. The study suggests that current guidelines relying solely on physical distancing may not be sufficient to prevent transmission.

New study uncovers brain circuits that control fear responses

Researchers at the Sainsbury Wellcome Centre have discovered a new brain circuit that enables mice to override their instincts based on previous experience. The ventral lateral geniculate nucleus (vLGN) inhibits threat reactions when animals feel safe, but activates them when danger is perceived.

Apple iPhone 17 Pro

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

Understanding the origin of genetic instability

Cancer cells exhibit increased genetic instability due to replication stress and DNA-RNA hybrids. Researchers have identified specific factors that prevent hybrid formation during different stages of the cell cycle.

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.

City butterflies keep flying for longer

A new study reveals that city butterflies and moths have genetically adapted to the warmer urban environment, starting their overwintering state later in the year. This allows them to take advantage of a longer growing season, reproducing successfully before winter sets in.

Undiagnosed endometriosis compromises fertility treatment

A University of Queensland study found that undiagnosed endometriosis can lead to higher cycle numbers and reduced birth rates among women undergoing fertility treatment. The research highlights the importance of early diagnosis and treatment adjustments to improve fertility outcomes.

Catalysts found to convert carbon dioxide to fuel

A group of 'single-atom' catalysts has been identified by researchers, which can convert carbon dioxide into clean energy sources. The study used theoretical modelling and found that adding the atom of the catalyst metal to ferroelectric materials results in converting CO2 into a desired chemical fuel.

GoPro HERO13 Black

GoPro HERO13 Black records stabilized 5.3K video for instrument deployments, field notes, and outreach, even in harsh weather and underwater conditions.

Trapping light with disorder

Researchers at Bar-Ilan University have demonstrated disorder-induced localization, allowing for the control of random laser emission through pump profile shaping. This breakthrough enables the creation of highly efficient and stable microlasers with unprecedented degrees of freedom.

Bonelli’s eagle: successful reintroduction of an endangered species in Mallorca

The Bonelli's eagle has been successfully reintroduced in Mallorca through a study coordinated by the University of Barcelona. The non-juvenile eagle release system (WildTrans) emerged as the most effective strategy, enabling the release of mature and experienced individuals that can reproduce faster and grow the population quickly.

Nikon Monarch 5 8x42 Binoculars

Nikon Monarch 5 8x42 Binoculars deliver bright, sharp views for wildlife surveys, eclipse chases, and quick star-field scans at dark sites.

An X-ray view of carbon

A team of scientists has developed a new X-ray measurement method that can analyze the chemical properties of warm dense matter, a state found in planetary interiors. The method uses the strongest X-ray laser to probe carbon's bonding states, providing new insights into planetary formation and potential applications in materials science.

#Nomakeup trend fails to discourage use of cosmetics

New research from University of Georgia suggests that the no-makeup movement isn't liberating women from cosmetics. Instead, cosmetic sales have increased alongside the rise of the no-makeup trend. The study found that people perceive 'natural' looks with makeup as more attractive than those without.

Meta Quest 3 512GB

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

Earth’s ‘solid’ inner core may contain both mushy and hard iron

Scientists have discovered a heterogeneous structure in the Earth's inner core, with adjacent regions of hard, soft, and liquid iron alloys. This finding challenges traditional models of the planet's magnetic field generation and provides new insights into the dynamics at the boundary between the inner and outer core.

Super-enhancers: The villain fueling certain cancers

Researchers discovered a microRNA, miR-766-5p, that targets super-enhancers and reduces MYC expression in cancer cells, inhibiting growth rates. The study suggests this molecule could be used as an anti-cancer therapeutic to fight MYC-driven cancers.

New study reveals lung cell roles in pulmonary immunity

A new study by researchers at Boston University School of Medicine found that epithelial cells use MHC-II to direct immune cells in the lungs, playing a key role in pulmonary immunity. The findings have implications for understanding, preventing and treating multiple lung diseases.

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.

Simple method for converting carbon dioxide into useful compounds

Scientists at Kyoto University have created a simple method to convert CO2 into metal-organic frameworks (MOFs), offering a promising approach to dispose of the greenhouse gas. The new technique, which requires lower temperatures and pressures, demonstrates potential for widespread adoption and could help mitigate global warming.

Mitigating lung damage, mortality due to SARS-CoV-2

A pre-clinical study by University of Illinois Chicago researchers shows that a drug targeting specific immune pathways can prevent lung damage and death in mice infected with the SARS-CoV-2 virus. The study suggests targeted treatments may be more suitable for COVID-19 patients than broad immune suppressants.

Hydrogel tablet can purify a liter of river water in an hour

Researchers at University of Texas at Austin created hydrogel tablet that can rapidly purify contaminated water, making it suitable for drinking in an hour or less. The tablets generate hydrogen peroxide to neutralize bacteria with an efficiency rate of over 99.999%, requiring zero energy input and no harmful byproducts.

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.

Extreme exoplanet even more exotic than originally thought

The discovery of ionized calcium on the exoplanet WASP-76b suggests that its atmospheric temperature is higher than previously thought or that it has very strong upper atmosphere winds. The research findings are from a multiyear project exploring the diversity of planetary atmospheres using high-resolution spectra obtained with Gemini ...

Exceptional learning capacities revealed in some gifted dogs

A new study reveals that some gifted dogs can learn up to 12 new toy names in just one week and remember them for at least two months. The researchers tested these talented dogs as part of the Genius Dog Challenge, a series of live broadcasted experiments.

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.

Class act: Clever children tell better jokes

A study of over 200 Turkish schoolchildren found that general intelligence was highly correlated with humor, with children producing high-quality captions for cartoons. The researchers suggest that parents and teachers should be aware of their children's sense of humor as a potential indicator of exceptional intelligence.

Apple MacBook Pro 14-inch (M4 Pro)

Apple MacBook Pro 14-inch (M4 Pro) powers local ML workloads, large datasets, and multi-display analysis for field and lab teams.

Water service fees can help pay for ecosystem preservation in Mexico

A new study explores ways to make payments for hydrological services (PHS) programs more effective and financially sustainable in Mexico. Residents are willing to pay for improved water quality, regulated quantity, and biodiversity conservation, highlighting the potential of PHS to enhance ecosystem preservation.

OU physicist uncovers the hidden potential of high-efficiency solar cells

Researchers have discovered a way to significantly increase the efficiency of solar cells by harnessing excess energy and storing it before it's lost as heat. This breakthrough could raise the industry standard limit from 30% to over 60%, addressing one of the major challenges in commercial solar cells.

New biomarker for severe COVID-19

Scientists at Karolinska Institutet have discovered a carbohydrate called mannose as a biomarker for severe COVID-19 disease severity. The study found that glycolysis and glutaminolysis play a crucial role in SARS-CoV-2's spread and growth, providing potential new therapeutic strategies.

Fluke 87V Industrial Digital Multimeter

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

Revealing the secrets of ground beetle wing casings

A team from The University of Tsukuba used microscopy techniques to analyze the microstructure of the ground beetle's wing casing, revealing a unique helical structure that creates optical effects. This finding has significant implications for the development of new biomimetic materials with enhanced performance.

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.

New $15 million NSF grant launches Ohio State Imageomics Institute

The Ohio State University has received a $15 million NSF grant to create the Imageomics Institute, which will use machine learning methodologies to extract biological traits from images. This new approach, called imageomics, aims to transform biomedical, agricultural and basic biological sciences.

New tool for energy sector models carbon capture incentives

A new model, developed by Carnegie Mellon University researchers, identifies coal- and natural gas-fired electricity generation plants suitable for carbon capture technologies. The tool takes into account various factors like plant age, efficiency, location, and technology to explore optimal CO2 reduction strategies at an affordable cost.

Smuggling light through opaque materials

Electrical engineers at Duke University have discovered a way to extend the use of chalcogenide glasses into the visible and ultraviolet parts of the electromagnetic spectrum. By nanostructuring these materials, they can create high-order harmonic frequencies that enable transmission of light at previously inaccessible wavelengths.

Celestron NexStar 8SE Computerized Telescope

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

Ultra-short or infinitely long: It all looks the same

A new study proves that ultra-short pulses of light can drive transitions to new phases of matter in tungsten disulfide (WS2) atoms, aiding the search for future low-energy electronics. The findings show that even ultrashort pulses are as effective in triggering state changes as continuous illumination.

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.

Calculating the path of cancer

Biologists at Cold Spring Harbor Laboratory are using a mathematical tool to understand the complexities of gene expression and chromosomal mutations associated with cancer. The approach, developed by David McCandlish's lab, predicts how likely different variations on a biological theme are to arise.