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Science News Archive 2021 - Page 177


Page 177 of 510

Researchers identify neurons involved in overdose deaths

Researchers identified a group of neurons in the brainstem that plays a key role in opioid-induced respiratory depression, which causes overdose deaths. Blocking these receptors can restore breathing during an overdose, offering potential new treatment targets.

SourceSalk Institute·JournalProceedings of the National Academy of Sciences·TypeExperimental study·DateAug 12, 2021

Is it always right to save the lives of premature babies? A radical proposal.

A new proposal aims to enable parents to participate in decision-making about life-saving treatment for premature infants. This balance is crucial as treatment can do great harm, while without it, the infant dies. Guidelines vary between countries, with some allowing treatment up to gestational week 23.

SourceNorwegian University of Science and Technology·JournalThe American Journal of Bioethics·TypeCommentary/editorial·DateAug 12, 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.

Weight fluctuations may predict poor outcomes in adults with kidney disease

A recent study found that weight fluctuations are associated with higher risks of cardiovascular-related problems and early death in adults with chronic kidney disease. The study included 84,636 patients with CKD who were listed in a national health screening database in South Korea.

SourceAmerican Society of Nephrology·JournalJournal of the American Society of Nephrology·DateAug 12, 2021

Origins of mutation

A new study has pinpointed nine processes that lead to most human genetic mutations, including inaccurate DNA copying and chemical damage. The research analyzed 400 million rare DNA variants and identified a set of biological processes responsible for heritable human mutations.

SourceHarvard Medical School·JournalScience·TypeComputational simulation/modeling·DateAug 12, 2021

Race and address may increase risk for diabetes-related amputation

A recent study found that rates of minor lower extremity amputations increased between 2009 and 2017 in rural and Western American residents, Native Americans, and Asian Americans/Pacific Islanders. Major LEAs rates remained steady during the period with notable increases in White populations and rural areas.

SourceTexas A&M University·JournalDiabetes Care·TypeNews article·DateAug 11, 2021

A novel virtual reality technology to make MRI a new experience

Researchers from King's College London created a novel interactive VR system to make MRI scans more accessible for children, people with cognitive difficulties, and those with claustrophobia or anxiety. The system removes the sense of being inside the MRI scanner by providing an immersive VR environment that is continuous throughout th...

SourceKing's College London·JournalScientific Reports·DateAug 11, 2021
Apple iPhone 17 Pro

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

The scale of the problem of VL in pregnancy is underestimated

Limited evidence on VL treatment during pregnancy highlights liposomal amphotericin B as a safer choice. Existing therapeutic guidelines are based on limited data and often rely on personal experience.

SourceInfectious Diseases Data Observatory·JournalPLOS Neglected Tropical Diseases·TypeLiterature review·DateAug 11, 2021

Protecting coral reefs more effectively from climate change

Researchers have identified different thermal tolerance mechanisms in corals, with some species exhibiting 'resilient' and 'resistant' responses to heat stress. The findings provide a toolbox for protecting coral reefs worldwide and inform conservation prioritization.

SourceUniversity of Konstanz·JournalMolecular Ecology·DateAug 11, 2021

Fine aerosols emitted during talking and singing may play a crucial role in COVID-19 transmission: Singapore study

A new study found that fine aerosols generated during talking and singing can contain more viral particles than coarse aerosols, highlighting the importance of reducing exposure to these particles in indoor environments. The research suggests that these aerosols may play a significant role in SARS-CoV-2 transmission.

SourceNational University of Singapore·JournalClinical Infectious Diseases·DateAug 11, 2021

Cleanup focus on e-waste, oil spills and farmlands

A multi-faceted approach to environmental degradation is being led by Flinders University and Clean Earth Technologies through two federally funded research projects. The focus is on e-waste recycling, oil spill remediation, and the production of world-leading polysulfide polymers.

SourceFlinders University·DateAug 11, 2021
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.

Less is more: 'Reduction' allows for cleaner and more efficient catalytic reactions

Researchers at Tokyo Institute of Technology have developed a high-yield synthesis pathway through reduction of rhodium complexes, enabling the addition of electron-deficient boron groups to arenes. This new strategy uses a cyclopentadienyl-rhodium-based catalyst and produces arylboronates with high yields and cleaner conditions.

SourceTokyo Institute of Technology·JournalJournal of the American Chemical Society·TypeExperimental study·DateAug 11, 2021

Birds that disperse more types of seed have better evolutionary chances

A study at the University of São Paulo found that bird species interacting with more plant species have higher evolutionary stability. This is because they occupy central positions in seed dispersal networks, leading to longer lifespans and increased species accumulation.

SourceFundação de Amparo à Pesquisa do Estado de São Paulo·JournalScience·DateAug 11, 2021

Changes in growth patterns due to climate change

Scientists investigate how Jurassic belemnites adapted to environmental changes caused by warming, finding differences between species and developmental stages. The study highlights the importance of considering life history and phylogeny when analyzing the impact of climate stress on marine organisms.

SourceFriedrich-Alexander-Universität Erlangen-Nürnberg·JournalScientific Reports·DateAug 11, 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.

Pumping iron: Inhibition of key pathway promotes iron-dependent cell death in pancreatic cancer cells

Researchers have discovered that inhibiting the GOT1 enzyme can promote ferroptosis, a type of programmed cell death, in pancreatic cancer cells by conserving nutrients and releasing iron stores. This study provides a new potential therapeutic target for treating pancreatic cancer.

SourceMichigan Medicine - University of Michigan·JournalNature Communications·TypeExperimental study·DateAug 11, 2021

Study disrupts venture capitalist assumptions about tax benefits of corporations

A UC Riverside-led study finds that venture capital-backed startups organized as corporations pay more taxes than if they were limited liability companies. The study found that switching to an LLC would yield a tax savings of $43.9 billion, equivalent to 4.9% of invested equity.

SourceUniversity of California - Riverside·JournalReview of Accounting Studies·TypeData/statistical analysis·DateAug 11, 2021

What does ride-hailing mean for parking?

Researchers investigate associations between ride-hail trips and on-street parking occupancy in Seattle, predicting decline if ride-hail demand exceeds 2.24 times the 2016 average. Flexible parking policies can manage changes driven by ride-hailing, but cities must plan ahead.

SourcePortland State University·JournalCase Studies on Transport Policy·DateAug 11, 2021

Wildfire simulation heats up

Researchers at KAUST developed a new method to simulate the spread of wildfires through forests, capturing complex dynamics involved. The model accurately predicts fire behavior at forest scale and can be used to optimize firebreaks and improve wildfire management.

SourceKing Abdullah University of Science & Technology (KAUST)·JournalACM Transactions on Graphics·TypeComputational simulation/modeling·DateAug 11, 2021

More pepper, please

Researchers found that pepper plant fruit scents contain complex mixtures of volatile organic compounds, including alpha-caryophyllene and 2-heptanol, which attract specific bat species. The study suggests bats use these chemical signals to select ripe fruits and find the specific Piper species they eat most.

SourceUniversity of Washington·JournalProceedings of the Royal Society B Biological Sciences·TypeExperimental study·DateAug 11, 2021
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.

Study shows differences in rapidly processing sensory feedback among people with autism spectrum disorder

A study of over 200 individuals with autism spectrum disorder (ASD) found key differences in their fine motor control and eye movements compared to neurotypical peers. The research highlights the importance of considering multiple systems, including feedback and feed-forward systems, in understanding sensorimotor deficits in ASD.

SourceUniversity of Kansas·JournalMolecular Autism·TypeRandomized controlled/clinical trial·DateAug 11, 2021

Rare new orchid species just discovered in the Andes

In Ecuador's northwestern Andes, researchers from WSL and Aves y Conservation identified three new endemic orchid species, including Lepanthes microprosartima and Lepanthes caranqui. These rare species are threatened by habitat destruction and human activities, prompting conservation efforts to protect them.

SourcePensoft Publishers·JournalPhytoKeys·DateAug 11, 2021

Will COVID-19 become a mostly childhood disease?

New modeling results suggest that COVID-19 may behave like common-cold coronaviruses, affecting mostly young children who have not been vaccinated or exposed. The overall burden from this disease is expected to decline due to lower severity in children.

SourcePenn State·JournalScience Advances·DateAug 11, 2021

Magnetic patterns hidden in meteorites reveal early Solar System dynamics

Scientists have developed a novel technique to analyze magnetites in meteorites, providing a historical record of the early Solar System's dynamics. By studying the Tagish Lake meteorite, researchers infer that the parent body formed in the Kuiper Belt and moved to the asteroid belt after Jupiter's formation.

SourceHokkaido University·JournalThe Astrophysical Journal Letters·TypeExperimental study·DateAug 11, 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.

UVA discovery suggests potential new treatment for deadly blood cancer

Researchers at UVA Health System discovered that combining drug palbociclib with ruxolitinib could effectively treat myelofibrosis by preventing bone marrow scarring and improving blood cell counts. This potential new treatment offers a promising approach to devastating blood disorder.

SourceUniversity of Virginia Health System·JournalCancer Research·DateAug 11, 2021

Global warming begets more warming, new paleoclimate study finds

Researchers observed a 'warming bias' in the Earth's ancient history, with more warming events and greater temperature shifts than cooling events. The study suggests that a multiplier effect may kick back in as ice sheets disappear, leading to further amplification of human-induced global warming.

SourceMassachusetts Institute of Technology·JournalScience Advances·DateAug 11, 2021

Improving patient experiences in cancer clinical trials

A first-of-its-kind study from the University of Pennsylvania School of Nursing clarifies the post-trial needs of patients who withdraw from cancer clinical trials. The study defines what constitutes responsible transitions when patients exit CCTs, providing insights into patient experiences and care after withdrawal.

SourceUniversity of Pennsylvania School of Nursing·JournalJAMA·DateAug 11, 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.

Problems in thinking and attention linked to COVID-19 infection

Research found that COVID-19 patients with more severe symptoms scored lower on reasoning and problem-solving tasks. Cognitive deficits were greatest in those receiving mechanical ventilation, similar to average decline seen over a decade of ageing.

SourceKing's College London·JournalEClinicalMedicine·TypeData/statistical analysis·DateAug 11, 2021

Lung cancer: Hope for increasing immunotherapy efficacy

Scientists investigated a method to enhance immunotherapy for lung cancer and found that combining it with certain chemotherapy drugs could eliminate harmful immune cells. This approach showed promising results in preclinical studies, inducing the regression of about 70% of tumors.

SourceEcole Polytechnique Fédérale de Lausanne·JournalScience Translational Medicine·DateAug 11, 2021

Stanford researchers develop a better way to track methane in the skies

A new model developed by Stanford researchers provides a more accurate baseline for tracking methane emissions from oil and gas operations. The model, which uses bottom-up approach with component-level data, closely approximates top-down inventories and highlights specific activities that should be targeted for remediation or regulation.

SourceStanford University·JournalNature Communications·TypeData/statistical analysis·DateAug 11, 2021

Researchers discover new limit of trapping light at the nanoscale

Physicists have established a fundamental limitation of light confinement in nano-scale systems, with a critical dimension threshold of around 250nm. This discovery has implications for various fields such as material science and quantum technologies.

SourceUniversity of Southampton·JournalNature Photonics·TypeExperimental study·DateAug 11, 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.

Monoclonal antibody prevents malaria in small NIH trial

A new monoclonal antibody called CIS43LS safely prevented malaria for up to nine months in a small clinical trial. The study builds on encouraging early results and will inform additional research to confirm and extend the finding.

SourceNIH/National Institute of Allergy and Infectious Diseases·JournalNew England Journal of Medicine·DateAug 11, 2021

Dendrimers: The tiny tentacles shown to evade our immune response

Researchers have discovered that dendrimer tentacles can avoid detection by the complement system, part of our immune system. This could lead to developing a new system for delivering drugs into the body without triggering an immune response.

SourceNewcastle University·JournalNature Communications·TypeExperimental study·DateAug 11, 2021

Younger children in a school class at greater risk of long-term negative outcomes like low educational achievement and substance misuse

New research from King's College London found that younger children in a school class are more likely to experience low educational achievement, substance misuse disorder, and depression. However, ADHD symptoms may be less of a concern for these young students.

SourceKing's College London·JournalJournal of the American Academy of Child & Adolescent Psychiatry·TypeObservational study·DateAug 11, 2021

Science alone won’t save humpback dolphins

The Indian Ocean humpback dolphin is on the brink of extinction with fewer than 500 individuals remaining in South African waters. A multi-stakeholder approach is necessary to address the cumulative effects of human activities, including coastal construction and pollution, which are impacting population numbers.

SourceStellenbosch University·JournalFrontiers in Marine Science·TypeContent analysis·DateAug 11, 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.

Researchers link brain memory signals to blood sugar levels

A new study published in Nature found that brain signals known to help memories form may also regulate metabolism and lower blood sugar levels. Researchers discovered that clusters of hippocampal neurons firing in cycles, called sharp wave ripples, were followed by decreases in blood sugar levels, possibly through the release of hormones.

SourceNYU Langone Health / NYU Grossman School of Medicine·JournalNature·TypeExperimental study·DateAug 11, 2021

Understanding lung damage in patients with COVID-19

Researchers used a hamster model to study COVID-19 lung damage, discovering that the immune system's response plays a crucial role in disease progression. They found that certain cells involved in lung immunity ingest the virus, triggering an inflammatory response that can be brought under control by T cells.

SourceMax Delbrück Center for Molecular Medicine in the Helmholtz Association·JournalNature Communications·TypeNews article·DateAug 11, 2021

New study unveils novel technology for plasma separation using magnets

Researchers at Ulsan National Institute of Science and Technology (UNIST) have developed a novel, hemolysis-free method for separating blood cells from plasma using magnetic forces. The new platform achieved 100% plasma purity and high recovery rates, outperforming conventional methods.

SourceUlsan National Institute of Science and Technology(UNIST)·JournalSmall·DateAug 11, 2021

A fast, accurate system for quickly solving stubborn RNA structures from pond scum, the SARS-CoV-2 virus and more

A new system developed at Stanford University and SLAC National Accelerator Laboratory determines the 3D structures of RNA-only molecules with high resolution, applying it to a ribozyme from pond scum and a piece of viral RNA from SARS-CoV-2. The study reveals tiny pockets in the viral RNA that could be targeted for COVID-19 treatments.

SourceDOE/SLAC National Accelerator Laboratory·JournalNature·TypeImaging analysis·DateAug 11, 2021

Increasing the immune system’s appetite for cancer protectors

Researchers have developed a two-arm molecule that selectively depletes regulatory T cells in tumors, allowing the immune system to fight off cancers without causing autoimmune diseases. The treatment led to significant tumor shrinkage in mouse models and showed promise for human patients.

SourceUT Southwestern Medical Center·JournalScience Translational Medicine·DateAug 11, 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.

Like humans, apes communicate to start and end social interactions

A study published in iScience found that apes purposefully use signals to start and end interactions, similar to human politeness. The researchers observed that the social dynamics between interacting apes affected the communication efforts used, with closer bonobo pairs showing shorter entry and exit phases.

SourceCell Press·JournaliScience·TypeObservational study·DateAug 11, 2021

Protecting Earth from space storms

Researchers are working to improve space weather forecasting to prevent power grid damage and satellite communications disruptions. The University of Michigan's Space Weather Modeling Framework uses a global representation of Earth's Geospace environment to predict magnetic disturbances on the ground.

SourceUniversity of Texas at Austin, Texas Advanced Computing Center·JournalEos·TypeComputational simulation/modeling·DateAug 11, 2021

Getting oxygenated blood to exercising muscles

Researchers at ETH Zurich discovered that exercise promotes the formation of thin blood capillaries in muscles by stimulating cell division of endothelial cells with high levels of ATF4. These 'metabolically primed' cells are activated to form new vessels, leading to improved blood supply to exercising muscles.

SourceETH Zurich·JournalCell Metabolism·TypeNews article·DateAug 11, 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.

UNF physics researchers discover new electronic phenomenon

Researchers at UNF's Atomic LEGO Lab have discovered a new electronic phenomenon, asymmetric ferroelectricity, in engineered two-dimensional crystals. This discovery demonstrates the possibility of tailored electronic properties and may lead to interesting technological applications.

SourceUniversity of North Florida·JournalPhysical Review B·DateAug 11, 2021

Scientists develop chain mail fabric that can stiffen on demand

Researchers created a new type of 'chain mail' fabric with hollow octahedrons that can stiffen up to 25 times its original stiffness when vacuum-packed. This technology has potential applications in bullet-proof vests, medical support for the elderly, and protective exoskeletons.

SourceNanyang Technological University·JournalNature·TypeComputational simulation/modeling·DateAug 11, 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.

New COVID-19 vaccine moves ahead

A South Australian-developed SARS-CoV-19 vaccine has shown promising results in early animal testing, confirming its safety and effectiveness in preventing COVID-19 lung infection. The vaccine, named COVAX-19, incorporates an adjuvant derived from a plant sugar called inulin.

SourceFlinders University·JournalVaccine·TypeExperimental study·DateAug 11, 2021

Study shows privilege, politics influence vaccine’s racial disparity

Researchers found that socioeconomic privilege and political ideology play a significant role in racial disparities in COVID-19 vaccination rates. Counties with higher median incomes displayed lower disparities, while county-level educational disparities had a greater impact on unequal vaccination rates.

SourceUniversity of Maryland·JournalProceedings of the National Academy of Sciences·TypeData/statistical analysis·DateAug 11, 2021

Study suggests reforms to prevent bribery and corruption at major sporting events

A new paper from the University of Portsmouth argues that bribery and corruption can be prevented at huge sporting events. Researchers explored perspectives of anti-corruption specialists, sport governance officials, athletes, coaches, club officials, and journalists to identify common concerns and recommendations for reforms.

SourceUniversity of Portsmouth·JournalSport in Society·TypeSurvey·DateAug 11, 2021

UIC researchers awarded $9.9 million for Black midwives program

A new health program aims to improve pregnancy outcomes for Black patients by combining four evidence-based strategies, including racially concordant care providers and coordinated care. The five-year study will enroll 432 women and compare their experiences with usual maternity care versus a new model.

SourceUniversity of Illinois Chicago·DateAug 11, 2021
AmScope B120C-5M Compound Microscope

AmScope B120C-5M Compound Microscope supports teaching labs and QA checks with LED illumination, mechanical stage, and included 5MP camera.

Gen Z willing to rent clothes to reduce waste

A study by Washington State University found that Gen Z adults are open to apparel rental services as a way to reduce waste and extend clothing lifespan. Key factors contributing to this trend include the perceived effectiveness of making a difference and a focus on usage over ownership.

SourceWashington State University·JournalSustainability·TypeSurvey·DateAug 11, 2021