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Science News Archive 2021 - Page 128


Page 128 of 510

First lockdown brought better air

Researchers found a decline in pollutant concentrations worldwide during the 2020 lockdown, particularly in Central Europe. The study attributed these reductions to the lockdown's impact on sectors like road and air transport, but noted that weather conditions also played a significant role.

SourceHelmholtz-Zentrum Hereon·JournalAtmospheric Chemistry and Physics·TypeData/statistical analysis·DateSep 21, 2021

High-risk leukemia is more aggressive in children with Down syndrome

A new study published in the Lancet Haematology found that children with Down syndrome are more likely to develop aggressive forms of leukemia and have a poorer prognosis. The research also identified potential differences in treatment outcomes between children with and without Down syndrome.

SourcePrincess Máxima Center for Pediatric Oncology·JournalThe Lancet Haematology·TypeData/statistical analysis·DateSep 21, 2021

Poorly circulated room air raises potential exposure to contaminants by up to 6 times

New experiments found that poorly mixed room air can lead to increased exposure to airborne contaminants, with occupants at risk of respiratory aerosols from others up to 5-6 times higher. Portable air cleaners using air pull-down can provide a simple solution to improve ventilation and reduce the risk.

SourceDOE/Lawrence Berkeley National Laboratory·JournalIndoor Air·TypeExperimental study·DateSep 21, 2021
Apple iPhone 17 Pro

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

New machine learning method to analyze complex scientific data of proteins

Scientists developed a machine learning method to analyze NMR data, allowing faster and more accurate analysis of proteins and chemical reactions in the human body. The method uses an artificial deep neural network to separate and analyze complex data, resulting in highly reproducible results comparable to human experts.

SourceOhio State University·JournalNature Communications·DateSep 21, 2021

How proteins help yeast adapt to changing conditions

A recent study published in eLife has discovered that prions, proteins known for their involvement in disease, may play a role in helping yeast cells cope with rapidly changing environmental conditions. The research found that prions can transform cell growth and survival, suggesting a new form of epigenetic control.

SourceeLife·JournaleLife·DateSep 21, 2021
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.

To solve Brazil’s energy and food crisis: Store more water

A new study suggests that keeping reservoir levels low during droughts can exacerbate the problem and contribute to Brazil's current water and energy crisis. Storing more water in reservoirs could increase precipitation and river flow, alleviating the crisis.

SourceInternational Institute for Applied Systems Analysis·JournalEnergy·DateSep 21, 2021

Records from Lake Magadi, Kenya, suggest environmental variability driven by changes in Earth’s orbit

A new study from Lake Magadi, Kenya, suggests that environmental fluctuations in the lake are driven by changes in Earth's orbit. The geochemical analysis of the lake sediments found high concentrations of elements like molybdenum and arsenic, which were associated with euxinic conditions during periods of intense droughts.

SourceGeological Society of America·JournalGeology·DateSep 21, 2021

Delirium is a common consequence of severe COVID-19, study finds

A study found that 73% of hospitalized COVID-19 patients developed delirium, leading to lasting cognitive impairment and increased need for skilled nursing care. The disease itself, sedatives, and inflammation can contribute to this outcome.

SourceMichigan Medicine - University of Michigan·JournalBMJ Open·TypeObservational study·DateSep 21, 2021

South American musical instruments reflect population relationships

Researchers analyzed music diversity in South America, revealing exceptional aerophone diversity in the archaeological record and cultural connections between groups. The study also highlights the impact of European colonization on Indigenous musical traditions.

SourceMax Planck Institute of Geoanthropology·JournalHumanities and Social Sciences Communications·DateSep 20, 2021
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.

The nanophotonics orchestra presents: Twisting to the light of nanoparticles

Physicists at the University of Bath have found a way to reveal the forbidden colours of light in twisted nanoparticles, opening up new possibilities for emerging nanotechnologies. This discovery has implications for communications, nanorobotics and ultra-thin optical components.

SourceUniversity of Bath·JournalLaser & Photonics Review·TypeExperimental study·DateSep 20, 2021

Lack of trust exacerbates loneliness spiral

A team of researchers found that individuals with severe loneliness have reduced trust in others, which can lead to decreased positive interactions and worsen loneliness. The study used brain scans and conversations to measure changes in brain activity and mood, providing clues for therapeutic options.

SourceUniversity of Bonn·JournalAdvanced Science·TypeExperimental study·DateSep 20, 2021

Uncovering your preferences via brain activity and mood

A mathematical equation analyzes participants' brain activity and mood to determine the contribution of intrinsic and extrinsic rewards to their happiness. Most people feel happier after earning points or successfully completing a game, but individual differences exist.

SourceSociety for Neuroscience·JournalJNeurosci·DateSep 20, 2021

Studies of menopausal hormone therapy reviewed

Research shows that estrogen replacement during menopause reduces the risk of bone fractures, diabetes, and cancer, but increases stroke, blood clots, and breast/ovarian cancer risk. The quality of systematic reviews on MHT is mixed, with some findings inconclusive.

SourceUniversity of Gothenburg·JournalPLOS Medicine·TypeSystematic review·DateSep 20, 2021

New computational platform to study biological processes

BioDynaMo, an open-source simulation platform, enables fast and accurate modeling of complex biological systems. The tool simulates medical cases in neuroscience, oncology, and epidemiology, showcasing its potential for computational biology research.

SourceUniversity of Surrey·JournalBioinformatics·TypeComputational simulation/modeling·DateSep 20, 2021
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.

Important signs of blood clots in the lungs missed in patients with dementia

Patients with dementia presenting with shortness of breath were less likely to be tested for pulmonary embolism compared to those without dementia. Clinical signs and risk factors, such as elevated heart rate, were also evaluated differently in patients with dementia.

SourceUniversity of California - Los Angeles Health Sciences·JournalJournal of the American Geriatrics Society·TypeObservational study·DateSep 20, 2021

A sandblaster at the atomic level

A computational model predicts the effects of ion bombardment on surfaces with varying degrees of roughness, enabling accurate calculation of material removal. The study's findings have implications for fusion research, astrophysics, and industrial applications.

SourceVienna University of Technology·JournalApplied Surface Science·TypeComputational simulation/modeling·DateSep 20, 2021

Baek & Tong developing emissions inventories

Baek & Tong are developing emissions inventories by calibrating Community Multiscale Air Quality Modeling System simulations with field measurement data and remote-sensing satellite data. This project aims to reduce uncertainties in human activity-based traditional bottom-up emissions inventories.

SourceGeorge Mason University·DateSep 20, 2021

An X-ray of the vending machines

A study by the University of the Basque Country analyzed the nutritional profile and level of processing of food products sold in vending machines. The results show that 48.6% of the products were classified as low-quality, while 73.8% were ultra-processed.

SourceUniversity of the Basque Country·JournalInternational Journal of Environmental Research and Public Health·DateSep 20, 2021
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.

Coral reef biodiversity predicted to shuffle rather than collapse as climate changes

Researchers at the University of Hawaii found that coral reef community structure changes in response to ocean warming and acidification, but total biodiversity remains stable. The tiny organisms living within the reef matrix, known as cryptobiota, play a crucial role in nutrient cycling and food web dynamics.

SourceUniversity of Hawaii at Manoa·JournalProceedings of the National Academy of Sciences·TypeExperimental study·DateSep 20, 2021

2021 Farinella Prize awarded to Diana Valencia and Lena Noack

Physicist Diana Valencia and planetary scientist Lena Noack were awarded the 2021 Paolo Farinella Prize for their significant contributions to understanding terrestrial and super-Earth exoplanets. Their work has led to a deeper understanding of Earth-like exoplanet composition and evolution, critical for assessing habitability.

SourceEuroplanet·DateSep 20, 2021

Microbial plant bioprocessing – what can we learn from the cow?

Microbiologists at Stellenbosch University suggest utilizing the rumen microbiome in anaerobic digestion processes to break down organic waste into its building blocks. The aim is to produce high-value products such as industrial important organic acids and bioplastics.

SourceStellenbosch University·JournalCatalysts·TypeLiterature review·DateSep 20, 2021
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.

How the pandemic has triggered a cycle of mental health struggles and physical inactivity

A large study reveals the pandemic exacerbates mental health challenges and hinders physical activity levels, particularly among lower-income households and those living in urban areas. The survey found that higher household income was associated with better mental health status and maintained physical activity levels.

SourceNorth Carolina State University·JournalPreventive Medicine Reports·TypeSurvey·DateSep 20, 2021

All-nitride superconducting qubit made on a silicon substrate

Researchers developed an all-nitride superconducting qubit using niobium nitride on a silicon substrate, achieving long coherence times of up to 22 microseconds. The breakthrough paves the way for large-scale integration and potential applications in quantum computers and nodes.

SourceNational Institute of Information and Communications Technology (NICT)·JournalCommunications Materials·TypeExperimental study·DateSep 20, 2021

Artificial intelligence skills bootcamp at the University of Huddersfield

The University of Huddersfield's AI Skills Bootcamp will provide learners with personalized learning and employment plans, alongside Artificial Intelligence and transferable skills. The 16-week program aims to support learners from across the UK in developing independent skills and addressing current barriers to digital skills employment.

SourceUniversity of Huddersfield·TypeNews article·DateSep 20, 2021
Meta Quest 3 512GB

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

New method used to study how cancer cells are organized

Researchers at Uppsala University developed a new method to track individual cancer cells and their offspring over time. The study found that brain tumour cells are hierarchically organised, but with some degree of flexibility, and that drug treatment influences cell organisation. This breakthrough may lead to the development of target...

SourceUppsala University·JournalMolecular Systems Biology·TypeExperimental study·DateSep 20, 2021

Grant backs effort to build useful bacterial colonies

Researchers at Rice University have been awarded a four-year, $1.2 million National Institutes of Health grant to advance the art and science of creating custom-designed microbial colonies. The grant will enable the development of technologies like synthetic tissues that enhance soils or gut microbiomes.

SourceRice University·DateSep 20, 2021

Modern activities follow the contours of ancient Teotihuacan

A lidar mapping study of ancient Teotihuacan shows that the city's engineers reshaped the landscape for construction, rerouted rivers to align with astronomical significance, and identified hundreds of previously unknown architectural features. The study confirms how these modifications continue to influence modern activities in the area.

SourceUniversity of California - Riverside·JournalPLOS ONE·TypeImaging analysis·DateSep 20, 2021

Dangers of smoking during pregnancy

Researchers at McGill University found that smoking during pregnancy is associated with an increased risk of premature birth, low birth weight, and birth defects. The study, which examined over nine million deliveries, also discovered that smoking mildly decreases the risk of preeclampsia.

SourceMcGill University·JournalJournal of Perinatal Medicine·TypeData/statistical analysis·DateSep 20, 2021
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.

Diabetes medications linked to glaucoma prevention

Researchers found that GLP-1 receptor agonist medications, such as Trulicity and Rybelsus, reduced the risk of glaucoma in diabetic patients by approximately half. The study analyzed data from over 5,000 patients and showed a significant decrease in new glaucoma diagnoses among those taking these medications.

SourceUniversity of Pennsylvania School of Medicine·JournalBritish Journal of Ophthalmology·TypeData/statistical analysis·DateSep 20, 2021

Multimedia helps increase uptake of sustainable agricultural intensification in four African countries

A multimedia approach to extension services has increased the uptake of Sustainable Agricultural Intensification (SAI) in Ghana, Nigeria, Tanzania, and Uganda. The ASHC campaigns employed a mix of communication channels to promote SAI practices and technologies, resulting in at least 20% adoption among farmers exposed to the campaigns.

SourceCABI·JournalInternational Journal of Agricultural Sustainability·TypeNews article·DateSep 20, 2021
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.

Chemical ant factories can substitute pesticides in plant protection

Researchers at Aarhus University have discovered that ants excrete chemical compounds that effectively inhibit plant pathogens, offering an alternative to current pesticides. The study suggests that applying ants and their chemical defenses could protect agricultural plant production.

SourceAarhus University·JournalJournal of Applied Ecology·DateSep 20, 2021

ESMO: New drug shows promise in treating early-stage breast cancer

A new oral selective estrogen receptor degrader (SERD) called giredestrant has been shown to significantly reduce tumor activity in women with ER-positive and HER2-negative early breast cancers. The treatment resulted in a 80% drop in Ki67 levels, compared to a 67% reduction in patients treated with the standard care aromatase inhibitor.

SourceUniversity of California - Los Angeles Health Sciences·DateSep 20, 2021

How pruning the cytoskeleton moves the cell

Actin filaments generate pushing forces to move the cell membrane. The capping protein regulates filament growth, promoting branching near the membrane through the Arp2/3 complex. A high-resolution structure reveals that capping protein blocks nucleation-promoting factors via a tiny 'tentacle' extension.

SourceMax Planck Institute of Molecular Physiology·JournalNature Communications·TypeExperimental study·DateSep 20, 2021

Astrophysicists solve 'empty sky' gamma-ray mystery

Researchers from Australian National University confirm that star-forming galaxies are responsible for creating gamma-rays that had been puzzling astronomers. The discovery sheds light on the origins of these mysterious emissions and could provide clues to understanding Dark Matter.

SourceAustralian National University·JournalNature·DateSep 20, 2021

Augmented reality helps tackle fear of spiders

A new augmented reality app, Phobys, has been developed to help people reduce their fear of spiders through exposure therapy. The app uses a realistic 3D spider model projected into the real world and offers nine levels of training, with game elements to maintain motivation.

SourceUniversity of Basel·JournalJournal of Anxiety Disorders·DateSep 20, 2021
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.

Preemptive therapy for infants showing early signs of autism

A randomized clinical trial found that preemptive intervention for autism spectrum disorder in infants showing early signs significantly reduced ASD symptom severity across childhood. The study also decreased the odds of an ASD diagnosis at 3-years-old.

SourceJAMA Network·JournalJAMA Pediatrics·DateSep 20, 2021

Behold the humble water flea, locked in a battle of mythological proportions

A new study led by Rachel Penczykowski investigates the hydra effect in water fleas, where parasite infections trigger a counterintuitive increase in population density. The researchers found that infected water fleas consume less algae, leading to an abundance of resources for uninfected individuals.

SourceWashington University in St. Louis·JournalThe American Naturalist·TypeExperimental study·DateSep 20, 2021

Conservation study: Fostering wanderlust benefits pandas

A new study by Michigan State University scientists reveals that giant pandas do not require perfect habitats to thrive, but rather a balance of suitable and unsuitable areas. The research suggests that conserving and restoring habitat to intermediate levels can effectively manage panda populations and promote genetic diversity.

SourceMichigan State University·JournalConservation Biology·DateSep 20, 2021
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.

Neighborhood gun violence, children’s mental health symptoms

Children exposed to neighborhood gun violence have higher rates of mental health-related emergency department visits, according to a new study. The research found that those living within a few blocks of a shooting had increased odds of such visits in the two months following the incident.

SourceJAMA Network·JournalJAMA Pediatrics·DateSep 20, 2021

Study shows increases in smoking and vaping in Irish teens

A study published in ERJ Open Research reveals a rise in smoking and vaping among Irish teens, undermining the country's efforts to become tobacco-free by 2025. The research suggests that e-cigarette use is linked to an increased risk of smoking, particularly among teenagers.

SourceEuropean Respiratory Society·JournalERJ Open Research·TypeObservational study·DateSep 20, 2021

Modern simulations could improve MRIs

Researchers at Rice University have refined models to analyze gadolinium-based contrast agents, which are used in 40% of MRIs worldwide. The team's goal is to design better and more customizable contrast agents that improve image quality while minimizing risks.

SourceRice University·JournalPhysical Chemistry Chemical Physics·TypeComputational simulation/modeling·DateSep 20, 2021

Firm-level payroll tax cuts may alleviate unemployment during economic downturns

A study by Youssef Benzarti and Jarkko Harju found that regional payroll tax cuts in Finland reduced negative effects of the Great Recession on employment, particularly among men and low-skilled employees. The cuts also relaxed liquidity constraints for firms, making them more resilient during downturns.

SourceVATT Institute for Economic Research·JournalJournal of Public Economics·DateSep 20, 2021
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.

Students’ certainty about belonging and their performance in a STEM course reinforce each other – for better or worse

A new study from the University of Utah finds that students' uncertainty about belonging in a STEM course reinforces each other, affecting midterm scores and persistence in the field. Women students experience higher belonging uncertainty than men, despite similar academic preparation.

SourceUniversity of Utah·JournalJournal of Chemical Education·TypeObservational study·DateSep 20, 2021

Autistic individuals are more likely to be LGBTQ+

A new study from the University of Cambridge suggests that autistic adults are less likely to identify as heterosexual and more likely to experience a diverse range of sexual orientations. The research found no differences in likelihood of contracting STIs or age of first sexual activity between autistic and non-autistic individuals.

SourceUniversity of Cambridge·JournalAutism Research·TypeSurvey·DateSep 20, 2021

New NIH research study to investigate psychosocial determinants of cardiovascular disease risk among urban African American adults

A new NIH-funded study aims to identify the psychosocial factors that contribute to high cardiovascular disease risk among urban African American adults. The research, led by Wayne State University, will explore how stressors like racial discrimination and social isolation impact health behaviors and disease progression.

SourceWayne State University - Office of the Vice President for Research·DateSep 20, 2021

Scientists uncover pathogen’s similar impact on two very different crops

Researchers investigate Pseudomonas cannabina pv. alisalensis (Pcal) interaction with cabbage and oats, discovering coronatine (COR) suppresses salicylic acid to aid pathogen growth. This finding opens doors to new disease control strategies.

SourceAmerican Phytopathological Society·JournalMolecular Plant-Microbe Interactions·TypeExperimental study·DateSep 20, 2021
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.