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Science News Archive 2021 - Page 66


Page 66 of 510

Study examines how governments inform public about pandemics

A study from the University of Texas at Dallas found that governments downplay pandemic severity if they prioritize economy over public health, while exaggerating it when prioritizing public health. The researchers suggest transparent information policies are key for balanced objectives.

SourceUniversity of Texas at Dallas·JournalManagement Science·TypeComputational simulation/modeling·DateNov 4, 2021

Urban planning may affect cognitive and motor development in children

A study found that built environment, green spaces, and air pollution impact children's cognitive and motor function. Exposure to greenness during pregnancy was associated with higher verbal abilities, while connectivity and land use diversity were linked to lower verbal abilities.

SourceBarcelona Institute for Global Health (ISGlobal)·JournalEnvironment International·TypeExperimental study·DateNov 4, 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.

Hybrid artificial neural networks and analytical model for prediction of optical constants and bandgap energy of 3D nanonetwork silicon structures

Researchers propose a hybrid artificial neural network and analytical model to predict optical constants and bandgap energy of novel silicon thin films. The method was found to be 95% accurate in determining the optical properties of these materials, which is challenging due to limited experimental data available.

SourceCompuscript Ltd·JournalOpto-Electronic Advances·DateNov 4, 2021

Study finds alcohol and cannabis sales rose with pandemic

A study published in JAMA Network Open found that monthly alcohol sales increased by an average of 5.5% over expected sales, while cannabis sales surged by 25% during the COVID-19 pandemic. Canadians bought $1.86 billion more alcohol and $811 million more cannabis than predicted based on pre-pandemic trends.

SourceMcMaster University·JournalJAMA Network Open·TypeData/statistical analysis·DateNov 4, 2021
Apple iPhone 17 Pro

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

Revolutionary identity verification technique offers robust solution to hacking

A team of computer scientists has developed a secure identity verification method based on zero-knowledge proof, ensuring that information cannot be replicated by hackers. The new method uses two physically separated prover-verifier pairs to confirm identities, eliminating the possibility of collusion and increasing security.

SourceMcGill University·JournalNature·DateNov 4, 2021

Brightest ever X-ray shows lung vessels altered by COVID-19

Researchers used a new X-ray technique to capture detailed images of lung vessels affected by COVID-19. The study revealed that severe infection causes 'shunting' of blood between oxygenated and nutrient-rich systems, leading to reduced oxygenation.

SourceUniversity College London·JournalNature Methods·DateNov 4, 2021

Cellular diversity in sponges illuminates the evolution of the nervous system

A new study finds that specialized cells in sponges' digestive chambers may be precursors to the evolution of complex nervous systems. These cells, capable of coordinated communication, have genes important for synaptic connections and express proteins involved in brain development.

SourceAmerican Association for the Advancement of Science (AAAS)·JournalScience·DateNov 4, 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.

New COVID vaccine design is easier to manufacture, doesn’t need cold storage

A new protein-based vaccine design has been developed that elicits strong immune responses in mice and does not require cold storage. The technology targets antigen-presenting cells directly, potentially filling global vaccination gaps and offering a manufacturing advantage over existing COVID vaccines.

SourceBoston Children's Hospital·JournalProceedings of the National Academy of Sciences·DateNov 4, 2021

Researchers develop CRISPR-based rapid diagnostic tool for SARS-CoV-2

Researchers at UC San Diego have created a CRISPR-based rapid diagnostic technology that detects SARS-CoV-2, the coronavirus causing COVID-19. The new SENSR system is designed to simplify SARS-CoV-2 detection with a goal of eventual adaptation for in-home use.

SourceUniversity of California - San Diego·JournalACS Sensors·TypeExperimental study·DateNov 4, 2021

Study finds fish rubbing up against their predators — sharks

A recent study found that fish frequently rub against sharks to remove skin irritants and parasites. This behavior, previously unknown, could play a significant ecological role for aquatic animals. The research team documented over 47 instances of fish chafing against shark skin in 13 locations around the world.

SourceUniversity of Miami Rosenstiel School of Marine, Atmospheric, and Earth Science·JournalEcology·TypeObservational study·DateNov 4, 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.

A Child of darkness

Researchers discover partial skull of 4-6 year old Homo naledi child, providing insight into species' growth and development. The skull, named Leti, consists of 28 fragments and six teeth, with estimated brain size comparable to adult members.

SourceUniversity of the Witwatersrand·JournalPaleoAnthropology·DateNov 4, 2021

Ketamine rapidly improves cognitive function making those in suicidal crisis less likely to harm themselves

A five-year study from Columbia University found that a single dose of ketamine improved thinking and reasoning, independent of depressive symptoms, making those in suicidal crisis less likely to harm themselves. The study also showed greater cognitive improvements in those given ketamine compared to midazolam.

SourceColumbia University Irving Medical Center·JournalJournal of Clinical Psychiatry·TypeObservational study·DateNov 4, 2021

Research snapshot: Vibration training for multiple sclerosis

Researchers at Georgia State University found that vibration training improved both physical and cognitive abilities in adults with MS. Cognitive function improvements included enhanced memory capacity and executive function.

SourceGeorgia State University·JournalInternational Journal of MS Care·DateNov 4, 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.

Businesses selling non-FDA-approved stem cell products grew four-fold in five years, UCI study says

A US study found that businesses selling non-FDA-approved stem cell products grew four-fold in five years, with California, Texas, and Florida leading the nation. Patients spend thousands of dollars on unproven treatments, posing significant risks to their health, while the industry's lack of regulation endangers public health.

SourceUniversity of California - Irvine·JournalCell Stem Cell·TypeContent analysis·DateNov 4, 2021

Female finches are picky but pragmatic when choosing a mate

A study found that female zebra finches are choosy but flexible in their mating preferences, allowing them to avoid fitness costs. The researchers discovered that these 'wallflowers' can still produce successful fledglings by sneaking eggs into other birds' nests.

SourcePLOS·JournalPLOS Biology·TypeExperimental study·DateNov 4, 2021

Physicists discover novel quantum effect in bilayer graphene

Theorists have observed a rare phenomenon called the quantum anomalous Hall effect in bilayer graphene, a naturally occurring, two-atom thin layer of carbon atoms. The researchers found eight different ground states exhibiting ferromagnetism and ferroelectricity simultaneously.

SourceUniversity of Texas at Dallas·JournalNature·TypeExperimental study·DateNov 4, 2021
Apple iPad Pro 11-inch (M4)

Apple iPad Pro 11-inch (M4) runs demanding GIS, imaging, and annotation workflows on the go for surveys, briefings, and lab notebooks.

Genetic study of heart defects and autism finds new causative genes

Researchers identified 23 genes contributing to congenital heart disease, including 12 previously unknown, using a new algorithm called M-DATA. This method combines genetic data from people with related conditions, increasing the power to identify risk factors and potentially leading to improved treatments.

SourcePLOS·JournalPLOS Genetics·TypeComputational simulation/modeling·DateNov 4, 2021

Green transition creates new risks and rewards

The green transition is already underway, with countries facing unique risks and opportunities based on their degree of competitiveness in fossil fuel markets. Diversifying economies towards low-carbon exports can mitigate negative impacts, while supporting innovation and job creation are key to maintaining long-term competitiveness.

SourceUniversity of Exeter·JournalNature Energy·DateNov 4, 2021

Machine learning a useful tool for quantum control, finds new study

Researchers used reinforcement learning to control a small particle moving in a double-well system, achieving accurate control despite noisy measurements. The method shows promise for future applications in quantum technologies and AI.

SourceOkinawa Institute of Science and Technology (OIST) Graduate University·JournalPhysical Review Letters·TypeComputational simulation/modeling·DateNov 4, 2021
Fluke 87V Industrial Digital Multimeter

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

US adolescents are receiving less sex education in key topics than 25 years ago

A Rutgers researcher found that only half of US adolescents receive comprehensive sex education, with gaps in information about birth control and STI prevention. Gender and racial disparities were also identified, with queer youth and people of color receiving less instruction.

SourceRutgers University·JournalJournal of Adolescent Health·TypeData/statistical analysis·DateNov 4, 2021

Pangolin trafficking: iceberg tip of Nigeria’s illegal trade revealed

A study quantifying Nigeria-linked seizures of pangolin products suggests levels of trafficking are far greater than previously thought. Researchers found 190,407 kilos of scales taken from at least 799,343 animals, with 77 seizures analysed revealing connections to ivory-smuggling networks.

SourceUniversity of Cambridge·JournalBiological Conservation·TypeObservational study·DateNov 4, 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.

Korea Maritime & Ocean University shows new paths to capturing atmospheric greenhouse gas

Researchers at Korea Maritime & Ocean University have discovered a novel compound, β-HQ clathrates, that can capture both carbon dioxide and nitrous oxide in the atmosphere. The discovery provides valuable insights into the kinetics of trapping these greenhouse gases, which could lead to the development of new gas capture technologies.

SourceNational Korea Maritime and Ocean University·JournalChemical Engineering Journal·TypeExperimental study·DateNov 4, 2021

Low blood pressure associated with increased risk of death following a stroke

A new study suggests that low blood pressure is a significant risk factor for death after a stroke, particularly in patients with comorbid conditions such as cancer and dementia. The research found that nearly 10% of stroke patients with low to normal blood pressures are at high risk of mortality.

SourceBoston University School of Medicine·JournalStroke·TypeObservational study·DateNov 4, 2021
Sky-Watcher EQ6-R Pro Equatorial Mount

Sky-Watcher EQ6-R Pro Equatorial Mount provides precise tracking capacity for deep-sky imaging rigs during long astrophotography sessions.

Child maltreatment incidents are curtailed by prescription drug monitoring programs

A study found that prescription drug monitoring programs in states significantly reduced child maltreatment incidents, with significant declines in neglect and physical abuse cases. The implementation of PDMPs was particularly effective in reducing maltreatment among American Indian and Alaskan Native children.

SourceColumbia University's Mailman School of Public Health·JournalThe Journal of Pediatrics·DateNov 4, 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.

Tufts receives $10 million grant to help develop cultivated meat

A team led by David Kaplan at Tufts University aims to produce an alternative food source using cell-grown meat, driving efforts to enhance food sustainability and nutrition. The five-year project will combine interdisciplinary teams to evaluate consumer acceptance, environmental impact, and economic viability.

SourceTufts University·DateNov 4, 2021

Tropospheric temperature affects tropical cyclone peak intensities in distinct ways

A recent study reveals that tropospheric temperature affects tropical cyclone peak intensities in distinct ways across different basins. In the North Atlantic, significant cooling of the tropopause strengthens peak intensity, while warming in the lower troposphere is associated with strong eastern Pacific TCs.

SourceInstitute of Atmospheric Physics, Chinese Academy of Sciences·JournalAtmospheric and Oceanic Science Letters·DateNov 4, 2021

The benefits of in-person schooling outweigh the risks

New research suggests that in-person schooling with proper measures can be safer than remote learning for kids, despite ongoing concerns about COVID-19 transmission. Studies have shown low risk of SARS-CoV-2 acquisition and severe illness in schools, but Long Covid and transmissible variants pose challenges.

SourceAmerican Association for the Advancement of Science (AAAS)·JournalScience·DateNov 4, 2021
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.

Experimental drug boosts immunotherapy effectiveness in pancreatic cancer in mice

Researchers found that an experimental dipeptidyl peptidase inhibitor enhanced immunotherapy effectiveness by boosting immune cells around the tumor, reducing growth and eliminating cancer in some mice. The combination treatment also instilled an immune-cell memory, allowing the immune system to recognize and kill cancer cells later.

SourceGeorgetown University Medical Center·JournalJournal for ImmunoTherapy of Cancer·TypeExperimental study·DateNov 4, 2021

UTSW findings advance RAS inhibitors for use in fighting more cancers

Researchers at UT Southwestern Medical Center have made significant breakthroughs in understanding the behavior of mutated RAS proteins, which are responsible for 20-25% of all cancers. By developing new targeted therapies that exploit specific mutations and signaling pathways, they aim to improve treatment options for patients with le...

SourceUT Southwestern Medical Center·JournalNature Structural & Molecular Biology·DateNov 4, 2021

More than a gut reaction

Researchers have discovered that genes regulating synaptic connections between cells are active in specific parts of the digestive chambers of freshwater sponges. This finding suggests that these cells may be evolutionary precursors for the first animal brains, providing insight into the evolution of brain function.

SourceEuropean Molecular Biology Laboratory·JournalScience·DateNov 4, 2021

Could one bacterium put damselflies in distress?

Research found that damselflies infected with Wolbachia bacterium have reduced genetic diversity, making them less adaptable to changing environments. This could lead to a decline in the species' ability to expand its range and survive climate change.

SourceUniversity of Helsinki·JournalBMC Ecology and Evolution·DateNov 4, 2021
Celestron NexStar 8SE Computerized Telescope

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

Repurposing carbon dioxide may be key to net-zero emissions

A team of researchers at Texas A&M University has developed a method to turn carbon dioxide into valuable chemicals through reduction reactions. This process could provide a path to repurpose excess CO2, reducing its negative environmental impact.

SourceTexas A&M University·JournalACS Applied Energy Materials·TypeNews article·DateNov 4, 2021

Using environmental modifications, fungicides, and resistant varieties to fight basil downy mildew

To combat basil downy mildew, researchers recommend using resistant basil varieties, as well as environmental modifications like keeping leaves dry and dehumidifying the air. Fungicides are also effective in controlling the disease, but their use must be alternated to prevent resistance development.

SourceAmerican Phytopathological Society·JournalPlant Health Progress·TypeExperimental study·DateNov 4, 2021

Hunting for human obesity genes in fat fruit flies

A new study identifies four novel obesity genes and predicts a fifth, using a platform of fat fruit flies. The research found that these genes are involved in a neuronal signaling pathway that increases fat levels.

SourcePLOS·JournalPLOS Biology·TypeExperimental study·DateNov 4, 2021

Multiple tumors without kinship occur simultaneously in the small intestine

A study published in Nature Communications found that neuroendocrine tumors in the small intestine often originate from different cells with unique genetic mutations. This breakthrough challenges conventional wisdom on cancer development and highlights the importance of removing all detected tumors to prevent late relapses.

SourceUniversity of Gothenburg·JournalNature Communications·DateNov 4, 2021
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.

Meta-analysis on the relation between acculturation and alcohol use among immigrant youth

A meta-analysis of 43 studies on acculturation and alcohol use among immigrant youth found a statistically significant relationship among the Latinx population. The researchers discovered that length of residence in the US had the strongest correlation to alcohol use, followed by language proficiency and generational status.

SourceNew York University·JournalJournal of Adolescent Health·TypeSystematic review·DateNov 4, 2021

Sweat-collecting patch inspired by cactus spines

A new skin-attachable patch mimics cactus spines to collect sweat efficiently, facilitating continuous monitoring of bioanalytes. The wedge-patterned channel shows high sweat-collecting efficiency and can transport nearly all sweat droplets to the sensing area.

SourcePohang University of Science & Technology (POSTECH)·JournalAdvanced Materials·DateNov 4, 2021

The intriguing behavior of magnets with an extra bit of oxygen

Researchers at Seoul National University explored the effects of oxygen doping on magnetite nanoparticles. They observed an intriguing variation in the Verwey transition temperature and proposed a diffusion model to explain this phenomenon.

SourceSeoul National University·JournalNature Communications·DateNov 4, 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.