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Science News Archive March 2021 - Page 51


Page 51 of 53

NRL physicist earns 2020 AAAS Newcomb Cleveland Prize

A team of astronomers and astrophysicists detected and localized a fast radio burst using the Australian Square Kilometre Array Pathfinder, providing vital information on its origins. The detection was part of an international effort that improved understanding of fast radio bursts in distant galaxies.

SourceNaval Research Laboratory·DateMar 2, 2021

A materials science approach to combating coronavirus

Researchers at Tokyo Institute of Technology have developed a new material called cerium molybdate with high antiviral activity against SARS-CoV-2. The material exhibits improved antiviral properties compared to earlier works, and its potential applications include coatings for surfaces and everyday items.

SourceTokyo Institute of Technology·JournalMaterials Letters·DateMar 2, 2021

Novel drug prevents amyloid plaques, a hallmark of Alzheimer's disease

Researchers identified a new drug that modulates a key enzyme to prevent amyloid plaque formation, reducing or eliminating problematic protein fragments. The novel compound showed safety and effectiveness in rodent and monkey studies, suggesting potential as a therapy for Alzheimer's disease.

SourceUniversity of California - San Diego·JournalJournal of Experimental Medicine·DateMar 2, 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.

Lack of diversity in science

A study of 1051 top-authors found women and the Global South are starkly underrepresented, with only 11% female authors and 25% from the Global South. The research highlights a need to promote scientific diversity and inclusion in leadership recruitment and career development.

SourceUniversity of Vienna·JournalConservation Letters·DateMar 2, 2021

Law enforcement seizures of methamphetamine and marijuana rose during pandemic

Seizures of methamphetamine and marijuana rose significantly during the pandemic, with quantities of marijuana seized climbing by weight. Investigators found no significant shifts in other drug seizures, but provisional overdose deaths show a further rise through the first half of 2020.

SourceNIH/National Institute on Drug Abuse·JournalDrug and Alcohol Dependence·DateMar 2, 2021

A quantum internet is closer to reality, thanks to this switch

Researchers at Purdue University have addressed an issue that was barring the development of quantum networks. By deploying a programmable switch, they can adjust how much data goes to each user by selecting and redirecting wavelengths of light carrying different data channels. This allows for the increase in users without adding to ph...

SourcePurdue University·JournalOptica·DateMar 2, 2021

Bitter receptor involved in anti-inflammatory effect of resveratrol?

A recent collaborative study has shown that resveratrol's anti-inflammatory properties are mediated by the bitter receptor TAS2R50. The researchers found that this receptor type plays a role in reducing inflammatory markers released by gum cells when treated with surface antigens from bacteria.

SourceLeibniz-Institut für Lebensmittel-Systembiologie an der TU München·JournalJournal of Agricultural and Food Chemistry·DateMar 2, 2021
Apple iPhone 17 Pro

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

Shade-grown coffee could help save birds, if only people knew about it

A survey of birdwatchers found that only 9% purchase bird-friendly certified coffee and less than 40% are familiar with it. Shade-grown coffee can help conserve habitats for migrating and resident bird species, but increasing awareness is crucial to mobilizing the estimated 45 million U.S. bird enthusiasts.

SourceCornell University·JournalPeople and Nature·DateMar 2, 2021

The expanding possibilities of bio-based polymers

Scientists from the Kleij group have created a new method for preparing biobased polyesters by transforming a terpene, β-elemene. The resulting polymer can be tailored through post-modification reactions to achieve desired properties.

SourceInstitute of Chemical Research of Catalonia (ICIQ)·JournalACS Sustainable Chemistry & Engineering·DateMar 2, 2021

Coffee for the birds: connecting bird-watchers with shade-grown coffee

Researchers surveyed over 900 coffee-drinking bird-watchers and found that only 9% purchased shade-grown coffee due to lack of awareness about its impact on bird habitats. Increased advertising, availability, and collaborations may help raise awareness about the benefits of bird-friendly coffee.

SourceVirginia Tech·JournalPeople and Nature·DateMar 2, 2021

Food for thought: New maps reveal how brains are kept nourished

Scientists have created detailed maps of brain blood vessel clusters, revealing that small blood vessels compensate for varying energy requirements. The study provides novel insights into the distribution of oxygen and sugar to different brain regions, shedding light on how brains are kept nourished.

SourceUniversity of California - San Diego·JournalNeuron·DateMar 2, 2021

Supertest evaluates performance of engineering students in Russia, the United States, India, China

The Supertest study assesses the academic performance of engineering students in four countries, revealing notable differences in critical thinking skills. Russian students excel in mathematics and physics at the start of their studies, while Chinese students perform better overall. However, Chinese students' critical thinking skills d...

SourceNational Research University Higher School of Economics·JournalNature Human Behaviour·DateMar 1, 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.

Hotter, drier, CRISPR: editing for climate change

Scientists at the University of Queensland are using gene editing technologies to develop crops that can thrive in extreme and variable climate conditions. By integrating CRISPR-Cas9 genome editing into modern breeding programs, researchers aim to increase crop resilience and nutritional quality, ensuring global food security.

SourceUniversity of Queensland·JournalTheoretical and Applied Genetics·DateMar 1, 2021

DNA methylation and MRSA persistence

Researchers identified host DNA methylation patterns linked to antibiotic-persistent MRSA infections, highlighting potential for personalized treatment strategies. Methylation differences were more pronounced in immune cells, suggesting epigenetic markers for predicting infection outcome.

SourceProceedings of the National Academy of Sciences·JournalProceedings of the National Academy of Sciences·DateMar 1, 2021

How 'great' was the great oxygenation event?

Researchers found evidence of oxygen-using enzymes in ancient bacteria and archaea, dating back 3 billion years before the Great Oxygenation Event. This suggests that life forms already utilized oxygen long before the main event, which allowed for the evolution of humans and other oxygen-breathing organisms.

SourceWeizmann Institute of Science·JournalNature Ecology & Evolution·DateMar 1, 2021

Conifer breeding, height, and cold tolerance

Selective conifer breeding accelerates tree growth but may lead to genetic trade-offs with climate adaptation, posing challenges for future forests. The study identified genes associated with growth and cold tolerance, highlighting the need for careful breeding programs to maintain healthy forests in changing climates.

SourceProceedings of the National Academy of Sciences·JournalProceedings of the National Academy of Sciences·DateMar 1, 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.

Understanding the spatial and temporal dimensions of landscape dynamics

The Heidelberg geoinformation scientists developed a new analysis method to improve understanding of processes shaping the Earth's surface. The spatiotemporal segmentation approach can determine when and where surface alterations occur and which type of associated changes they represent.

SourceHeidelberg University·JournalISPRS Journal of Photogrammetry and Remote Sensing·DateMar 1, 2021

Even just a bit of advertising changes the game in word-of-mouth marketing

A study published in Proceedings of the National Academy of Sciences refutes the concept that a person's position within a network is crucial for information spread. Even with minimal advertising, the influence of individuals across the network becomes more equalized.

SourceUniversity of California - Los Angeles·JournalProceedings of the National Academy of Sciences·DateMar 1, 2021

Lung cancer cells have differential signaling responses to KRAS inhibitor treatment

Moffitt researchers found that epithelial and mesenchymal subtypes of lung cancer cells respond differently to KRASG12C inhibitor therapy, with varying levels of sensitivity. The study suggests that targeting alternative signaling pathways, such as HER2 and FGFR1, may enhance treatment efficacy.

SourceH. Lee Moffitt Cancer Center & Research Institute·JournalClinical Cancer Research·DateMar 1, 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.

Model for wildlife tourism

A new tool helps managers balance benefits and drawbacks of wildlife tourism, considering factors like conservation, animal welfare, and ecosystem impacts. The framework reveals the wholistic acceptability of white shark cage-diving and identifies areas for improvement.

SourceFlinders University·JournalConservation Letters·DateMar 1, 2021

Breast cancer screening recalls: simple MRI measurement could avoid 30% of biopsies

A research team from MedUni Vienna has confirmed a threshold value for a non-invasive imaging biomarker in breast cancer screening. This can be incorporated into short standard MRI scans to reduce biopsy rates by 30%. DWI, a special MRI technique, measures the motion of water molecules and can indicate whether a biopsy is necessary.

SourceMedical University of Vienna·JournalClinical Cancer Research·DateMar 1, 2021

Addressing a complex world of pain in a single gene difference

A single letter difference in a gene leads to sickle cell disease affecting 20 million worldwide, with varying life expectancy depending on social and environmental factors. A new review calls for integrative studies to better understand the disease globally and develop locally-appropriate interventions.

SourceWiley·JournalAdvanced Genetics·DateMar 1, 2021

ACGT awards grant to advance strategies for treating lung cancer

A team led by Dr. Brian Brown is developing a CAR T-cell therapy that specifically targets immune-suppressing macrophages in tumors, clearing the way for other T cells to destroy cancer cells. The grant aims to advance this promising approach and bring new hope to patients with solid tumor cancers.

SourceAlliance for Cancer Gene Therapy·DateMar 1, 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.

Hot electrons send CO2 back to the future

Scientists at KAUST create an efficient catalyst that converts CO2 and hydrogen into methane using photothermal energy, reducing the need for external heat sources. The reaction achieves nearly 100% selectivity and impressive efficiency, offering a sustainable way to convert harmful greenhouse gases into valuable fuel.

SourceKing Abdullah University of Science & Technology (KAUST)·JournalAdvanced Functional Materials·DateMar 1, 2021

Designing soft materials that mimic biological functions

Researchers at Northwestern University developed a theoretical model to design soft materials that demonstrate autonomous oscillating properties, mimicking biological functions. The work could advance the design of responsive materials for therapeutics and robot-like soft materials.

SourceNorthwestern University·DateMar 1, 2021

Study examines what makes people susceptible to fake health news

A new study from the University of Kansas finds that information presentation has little influence on how people perceive fake health news. However, labeling unverified content as such significantly affects respondents' perceptions and intentions to share. Social media efficacy is a key factor in determining credibility, with those who...

SourceUniversity of Kansas·DateMar 1, 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.

In era of online learning, new testing method aims to reduce cheating

Researchers from Rensselaer Polytechnic Institute developed a new testing strategy that effectively reduces collusion among students taking online tests. The 'distanced online testing' approach estimates each student's competence levels and assigns questions at varying times, reducing the incentive for students to receive help.

SourceRensselaer Polytechnic Institute·Journalnpj Science of Learning·DateMar 1, 2021

Education, interest in alternative medicine associated with believing misinformation

A study by the American Psychological Association found that individuals with lower education levels and those who have a positive attitude towards alternative medicine are more susceptible to believing misinformation on healthcare topics. The researchers also discovered that people who fell for misinformation on one topic were more li...

SourceAmerican Psychological Association·JournalHealth Psychology·DateMar 1, 2021

Hydrogel injection may change the way the heart muscle heals after a heart attack

Researchers have developed an injectable hydrogel that could help repair and prevent further damage to the heart muscle after a heart attack. The study found that timely injection of the hydrogel resulted in less fibrosis and an increase in new blood vessels, preserving cardiomyocytes and supporting functional recovery.

SourceUniversity of Galway·JournalScience Translational Medicine·DateMar 1, 2021
Aranet4 Home CO2 Monitor

Aranet4 Home CO2 Monitor tracks ventilation quality in labs, classrooms, and conference rooms with long battery life and clear e-ink readouts.

Genetic study uncovers hidden pieces of?eye disease?puzzle?

A new study has identified genetic variations that may contribute to the development of keratoconus, a progressive eye condition causing sight loss. The findings could lead to earlier diagnosis and potentially new therapeutic targets.

SourceUniversity of Leeds·JournalCommunications Biology·DateMar 1, 2021

Visiting water bodies worth £700bn to economies, study finds

A new study found that Europeans spend an average of £35 per trip to visit water bodies, with a typical family making 45 trips annually. Poor perceived water quality can result in significant losses, with over €100 billion in annual costs.

SourceUniversity of Exeter·JournalThe Science of The Total Environment·DateMar 1, 2021

Scoot over! Study reveals E-scooter use in Washington D.C.

Researchers build first model to track travel patterns of shared e-scooter use, capturing built environment variables more precisely. The study finds that tourism, commercial areas, hotels, and public transit stops are predictive of scooter destinations in Washington D.C.

SourceFlorida Atlantic University·DateMar 1, 2021

Second order optical merons, or light pretending to be a ferromagnet

Researchers at the University of Warsaw have demonstrated how to structure light to exhibit collective spin behavior like a ferromagnet. They trapped light in a thin liquid crystal layer between mirrors and observed first-order and second-order merons and anti-merons, which can be used to study complex systems.

SourceUniversity of Warsaw, Faculty of Physics·JournalOptica·DateMar 1, 2021

4D bioengineering materials bend, curve like natural tissue

Researchers at the University of Illinois Chicago have developed new 4D hydrogels that can change shape in response to external trigger signals. These materials may help create tissues with more realistic architecture by simulating forces that drive movement during development, leading to improved tissue engineering outcomes.

SourceUniversity of Illinois Chicago·JournalAdvanced Science·DateMar 1, 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.

Neandertals had the capacity to perceive and produce human speech

Researchers discovered that Neandertals possessed the ability to perceive and produce human speech, with similar auditory capacities as modern humans. The study found that Neandertal ear structures were 'tuned' to hear frequencies within the range of modern human speech sounds.

SourceBinghamton University·JournalNature Ecology & Evolution·DateMar 1, 2021

The risk of ADHD may be lower if children grow up in green environments

A large Danish study found an association between exposure to green spaces and reduced risk of ADHD diagnoses. The research suggests that living in green environments may be a protective factor for children, but further studies are needed to confirm the findings.

SourceAarhus University·JournalEnvironmental Health Perspectives·DateMar 1, 2021

New study challenges 'established' mechanism about selectivity of cellular ion channels

A team of researchers from the University of Fukui and Kanazawa University have challenged the long-held assumption that potassium channels are highly selective for potassium ions. Their findings indicate that sodium ions can also pass through these channels, with a conductance one-eightieth that of potassium ions.

SourceUniversity of Fukui·JournalProceedings of the National Academy of Sciences·DateMar 1, 2021

Geriatric emergency departments associated with lower medicare expenditures

Specialized geriatric emergency care reduces hospitalizations and costs for Medicare beneficiaries, with savings ranging up to $2,905 after 30 days. The study found a significant reduction in total costs of care when patients were seen by transitional care nurses or social workers trained in geriatric emergency care.

SourceNorthwestern Memorial HealthCare·JournalJAMA Network Open·DateMar 1, 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.

Paper addresses research needed to understand smoking and COVID-19

A new paper discusses how smoking may affect risk for COVID-19 and proposes areas of research needed to better understand the link. Studies have shown that current smokers with COVID-19 have twice the risk of dying in the hospital as nonsmokers, highlighting the need for rigorous study design to clarify this relationship.

SourceAmerican Thoracic Society·JournalAnnals of the American Thoracic Society·DateMar 1, 2021

Cybersecurity researchers build a better 'canary trap'

A new artificial intelligence system, WE-FORGE, generates fake documents to protect intellectual property and make it difficult for adversaries to identify the real document. The system, designed at Dartmouth College, uses natural language processing to create believable and incorrect documents.

SourceDartmouth College·JournalACM Transactions on Management Information Systems·DateMar 1, 2021

COVID-19 RCTs registered in 1st 100 days of pandemic

Researchers assessed COVID-19 trial recruitment and results reporting within the first 100 days of the pandemic. The study found challenges in recruiting participants and accurately reporting trial results, which can impact the validity of clinical trials.

SourceJAMA Network·JournalJAMA Network Open·DateMar 1, 2021

Pediatric onco-nephrology: Time to spread the word

The article highlights the importance of pediatric nephrologists' involvement in caring for children with cancer, from diagnosis to treatment and beyond. Key findings include the increasing need for onco-nephrology expertise due to rising childhood cancer rates and advances in therapy protocols.

SourceLe Bonheur Children's Hospital·JournalPediatric Nephrology·DateMar 1, 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.

Why some melanoma patients do not respond to immunotherapy

Researchers at Columbia University Irving Medical Center have developed a new technique that uncovers tricks cancer cells use to evade immunotherapies. The approach identified new mechanisms of resistance and validated existing ones, providing insights into why some melanoma patients don't respond to treatment.

SourceColumbia University Irving Medical Center·JournalNature Genetics·DateMar 1, 2021

Virtually unlimited solar cell experiments

Osaka University researchers employed machine learning to design new polymers for photovoltaic devices, virtually screening over 200,000 candidate materials. They found promising properties consistent with predictions, leading to potential breakthroughs in functional material discovery.

SourceOsaka University·JournalAdvanced Functional Materials·DateMar 1, 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.

Oncotarget: Identification intermediate-risk subgroups in metastatic clear-cell renal cell carcinoma

A recent study published in Oncotarget identified elevated platelet counts as a prognostic factor for poor outcomes in patients with metastatic clear-cell renal cell carcinoma, particularly those classified as intermediate-risk. These findings highlight the importance of stratification models in guiding treatment decisions and design c...

SourceImpact Journals LLC·JournalOncotarget·DateMar 1, 2021

Predicting microbial interactions in the human gut

Researchers used models to predict cross-feeding interactions between microbes in the human gut, which could aid doctors in understanding gut health. The model was supported by genomic annotations and accurately predicted about 65% of its predictions.

SourceCarl R. Woese Institute for Genomic Biology, University of Illinois at Urbana-Champaign·JournalNature Communications·DateMar 1, 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.