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Science News Archive December 2021 - Page 13


Page 13 of 33

Molecular switch for addiction behavior

A research team at Heidelberg University and Paris discovered a protein called Npas4 that regulates the structure and function of nerve cells controlling addiction behavior. Reducing Npas4 levels led to weaker responses to cocaine in mice, suggesting a biological basis for addiction.

SourceHeidelberg University·JournalEMBO Reports·DateDec 15, 2021

KEYNOTE-811: Pembrolizumab combination as a potentially transformative treatment for HER2-positive gastric cancer

The KEYNOTE-811 trial demonstrates a significant improvement in objective response rate (74.4%) and tumor size reduction compared to trastuzumab and chemotherapy. The combination of pembrolizumab, trastuzumab, and chemotherapy markedly reduces tumor size and induces complete responses in some patients.

SourceVall d'Hebron Institute of Oncology·JournalNature·TypeRandomized controlled/clinical trial·DateDec 15, 2021

How a virus transforms immune cells into cancer uncovered by researchers

Researchers mapped how HTLV-1 transforms T-cells into cancerous cells, revealing the virus over-activates them and makes them more vulnerable to DNA damage. This study provides new directions for potential treatments to prevent cancer development.

SourceImperial College London·JournalJournal of Clinical Investigation·TypeExperimental study·DateDec 15, 2021

Using the Earth’s noise to see beneath the Greenland ice sheet

Researchers used Rayleigh waves to produce high-resolution images of the rocks underneath the ice sheet, identifying key factors controlling ice flow. The study provides a better understanding of processes contributing to accelerated ice discharge into the ocean and sea level rise.

SourceSwansea University·JournalNature Communications·DateDec 15, 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.

Human cost of COVID travel restrictions revealed in new study

A new study reveals the high human costs of COVID travel restrictions, affecting migrants, families, and international students with prolonged separation across geographical distances. The research highlights intensified experiences of foreignness, non-belonging, and precariousness, as well as threats to livelihoods and wellbeing.

SourceUniversity of East Anglia·JournalGlobal Networks·DateDec 15, 2021

Nursery rhymes can help teach the importance of safe play

Expert Declan Patton analyzes seven nursery rhymes to teach the importance of safe play and occupational hazards in preventing head injuries. The study highlights the role of biomechanics, impact surfaces, and protective equipment in reducing skull fractures.

SourceBMJ Group·JournalThe BMJ·TypeLiterature review·DateDec 15, 2021

Now scientists can efficiently screen billions of chemical compounds to find effective new drug therapies

Researchers at USC Dornsife College of Letters, Arts and Sciences have created a process that increases the chances of finding effective drugs in a fraction of the time and at significantly less expense than current methods. V-SYNTHES, a virtual method developed by Vsevolod Katritch and colleagues, uses synthons to efficiently puzzle t...

SourceUniversity of Southern California·JournalNature·TypeComputational simulation/modeling·DateDec 15, 2021
Apple iPhone 17 Pro

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

Factors that determine the success of crowdfunding campaigns

A study of over 4,000 Brazilian crowdfunding campaigns found that cities with higher income inequality led to successful campaigns, while diverse rewards and lower fundraising targets improved outcomes. Researchers also developed an algorithm to predict campaign success using artificial intelligence.

SourceFundação de Amparo à Pesquisa do Estado de São Paulo·JournalJournal of Business Research·DateDec 15, 2021

Virtually guided exposure therapy improves outcomes in patients with post-traumatic stress disorder, preliminary study finds

A pilot study found that virtually guided prolonged exposure therapy reduced PTSD symptoms more effectively than traditional exposure alone, using real-time psychophysiology to tailor stress levels. Most patients saw a clinically significant reduction in their PTSD Checklist score after 10-12 sessions.

SourceMedical University of South Carolina·TypeExperimental study·DateDec 15, 2021

Despite cleaner air, pollution disparities for people of color remain across the US

Researchers found that exposure to six major air pollutants remains higher for racial and ethnic minorities than white Americans, regardless of income level. The study used models incorporating data from satellites and EPA monitoring stations to map pollution levels onto census demographic groups across the contiguous US.

SourceUniversity of Washington·JournalEnvironmental Health Perspectives·DateDec 15, 2021

Magnetism-induced topological transition in magnetic topological phase EuAs3 proved by SHMFF users

Researchers at Hefei Institutes of Physical Science and SHMFF demonstrated a magnetic ordering and external magnetic field can induce topological transition in EuAs3, featuring massive Dirac points, inverted bands, and topological surface states. The study explores the interaction between magnetism and electronic band structure topology.

SourceHefei Institutes of Physical Science, Chinese Academy of Sciences·JournalNature Communications·DateDec 15, 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.

Negative capacitance in topological transistors could reduce computing’s unsustainable energy load

Researchers have discovered that negative capacitance in topological transistors can switch at lower voltage, potentially reducing energy losses. This new design could help alleviate the unsustainable energy load of computing, which consumes about 8% of global electricity supply.

SourceARC Centre of Excellence in Future Low-Energy Electronics Technologies·TypeExperimental study·DateDec 15, 2021

Gallic acid and stretching decrease osteoarthritis markers in cartilage cells

Researchers at Washington State University discovered that combining gallic acid with stretching decreases inflammation markers and improves protein production in arthritic cartilage cells. This finding suggests a potential new procedure for treating osteoarthritis by growing healthy cartilage tissue.

SourceWashington State University·JournalExperimental Cell Research·TypeExperimental study·DateDec 15, 2021

New liquid biopsy detects local immune activity

A new blood test developed at Hebrew University of Jerusalem detects immune and inflammatory activity in tissues by monitoring circulating DNA fragments. This method provides accurate information about immune processes in remote tissues, removing the need for invasive measures.

SourceThe Hebrew University of Jerusalem·JournaleLife·TypeExperimental study·DateDec 15, 2021

Breakthrough in using CRISPR-Cas9 to target fat cells

Scientists have developed a new method using CRISPR-Cas9 to target specific fat cells, reducing the time and cost of genetic discovery in obesity research. The technique allows researchers to study genes in brown adipose tissue, which plays a crucial role in regulating body temperature.

SourceMichigan Medicine - University of Michigan·JournalJournal of Biological Chemistry·TypeExperimental study·DateDec 15, 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.

Dynamic gating process observed at Sub-2 nm speed in nanochannels

Scientists developed a novel nanoporous gating system to precisely control and observe dynamic gating processes, inspired by cell performance. The system achieved controlled dynamic gating through conducting polymer polypyrrole at sub-2 nm speed.

SourceChinese Academy of Sciences Headquarters·JournalMatter·TypeExperimental study·DateDec 15, 2021

Metal-organic-frameworks effectively treat H2O2-secreting bacteria

Researchers developed a new metal-organic framework treatment that effectively eliminates H2O2-secreting bacteria, alleviating pulmonary injury and preventing systemic sepsis. The treatment, nFMs@Amp, uses Fe3+-doped metal organic frameworks loaded with antibiotic ampicillin to target and kill the bacteria.

SourceUniversity of Science and Technology of China·JournalBiomaterials·DateDec 15, 2021

Making apple spirits taste better

Measuring apple liquors' conductivity can provide a more objective assessment of their processing, allowing for better flavor quality. The study found that monitoring conductivity during distillation can identify the best conditions for producing high-quality apple spirits.

SourceAmerican Chemical Society·JournalACS Food Science & Technology·DateDec 15, 2021

Double trouble for corals

Researchers found that marine heatwaves kill the largest and youngest coral colonies, raising concerns about reef reproductive future. The study suggests that heatwaves could restructure coral size distribution on reefs.

SourceUniversity of California - Santa Barbara·JournalGlobal Change Biology·DateDec 15, 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.

Scientists find new details about how immune system builds long-term memory

Researchers have discovered a fundamental role of the TBK1 enzyme in deciding B cell fate, crucial for developing effective vaccines for diseases like COVID-19 and malaria. The study reveals that TBK1 is necessary for germinal center formation and high-quality antibody production.

SourceUniversity of Tokyo·JournalJournal of Experimental Medicine·TypeExperimental study·DateDec 15, 2021

Study shows how HIV copies itself in the body

Researchers discovered that HIV chooses its viral RNA genome based on a two-nucleotide difference, which could be targeted by new drugs. This finding has implications for future HIV treatments and is an important scientific step towards understanding the virus's replication process.

SourceOhio State University·JournalProceedings of the National Academy of Sciences·DateDec 15, 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.

Soft semiconductors that stretch like human skin can detect ultra-low light levels

Researchers at Georgia Institute of Technology created soft flexible photodetectors that are up to 200% stretchable and can detect fainter light levels than conventional devices. The breakthrough material has potential applications in medical wearable sensors, implantable devices, and intelligence systems.

SourceGeorgia Institute of Technology·JournalScience Advances·TypeObservational study·DateDec 15, 2021

Meltwater influences ecosystems in the Arctic Ocean

Freshwater from melting sea ice delays carbon absorption and storage in the Arctic Ocean. The study found that four months of organic carbon production were trapped above 50 meters, with more nutrients and biomass reaching the ocean floor.

SourceAlfred Wegener Institute, Helmholtz Centre for Polar and Marine Research·JournalNature Communications·DateDec 15, 2021

Adults with positive facial expressions while eating vegetables help kids consume more than double the amount of vegetables – research

Research by Aston University psychologists found that children who watched adults eat green vegetables with positive facial expressions consumed more than double the amount of those vegetables. The study suggests that smiling while eating can encourage children to try and eat more, especially less popular vegetables like broccoli.

SourceAston University·JournalAppetite·TypeObservational study·DateDec 15, 2021

Meditation affects people in different ways

A study published in PLOS ONE found that meditation can affect individuals in distinct ways, with experienced meditators exhibiting different physiological responses. While some practitioners displayed signs of relaxation, others showed mental concentration, highlighting the need for tailored approaches to assisted meditation.

SourceNational Research University Higher School of Economics·JournalPLOS ONE·DateDec 15, 2021

E-waste recycling emits emerging synthetic antioxidants

Researchers detected emerging synthetic antioxidants in e-waste recycling dust, including hindered phenol and sulfur antioxidants. The study highlights the need for further research on their environmental behaviors and toxicities.

SourceAmerican Chemical Society·JournalEnvironmental Science & Technology Letters·DateDec 15, 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.

New study associates mask laws to reduction of COVID-19 deaths

Countries without face mask mandates experienced significantly higher COVID-19 deaths per million than those with mandates, according to a new study. Masks provided a supplementary layer of protection that could prevent unnecessary deaths.

SourceElsevier·JournalAmerican Journal of Preventive Medicine·TypeComputational simulation/modeling·DateDec 15, 2021

New study reveals how epithelial cells in the body naturally eliminate “precancerous” ones

Researchers have identified a novel immune-like mechanism by which healthy epithelial cells recognize and eliminate precancerous cells through a MHC class I-LILRB3 interaction. This process generates mechanical force to extrude the precancerous cells from the body, offering new hope for cancer prevention and treatment.

SourceWaseda University·JournalNature Immunology·TypeExperimental study·DateDec 15, 2021

New tool models fairer electricity trade

Researchers propose a new model for electricity trade that balances economic interests and considers the stability of economic ties. The model suggests ways to improve cooperation between nations and prioritize transit country interests.

SourceSkolkovo Institute of Science and Technology (Skoltech)·JournalIEEE Transactions on Power Systems·DateDec 15, 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.

One mutation or two? Researchers in Spain discover why some genes require one or two hits to promote cancer

A study by Spanish researchers has deciphered the landscape of third-order interactions in cancer, revealing that many genes involved in cancer may require one or two hits depending on other mutations. This discovery opens the way to more precise genetic diagnosis and new therapeutic targets.

SourceInstitute for Research in Biomedicine (IRB Barcelona)·JournalNature Communications·DateDec 15, 2021

Uncovered: Key to how exercise protects against consequences of ageing

Researchers from Monash University have discovered an enzyme called NOX-4 that enhances insulin responsiveness and promotes metabolic health. This discovery has opened up the possibility of developing drugs to target this enzyme and protect against age-related diseases like type 2 diabetes.

SourceMonash University·JournalScience Advances·DateDec 15, 2021

Experts offer a potted guide to the hazards of festive foliage

Christmas trees and ivy are generally safe, but holly's berries contain saponins that can cause stomach upset. Pears and mistletoe should also be avoided due to cyanide and viscotoxin content. Safe options include cyclamen species, Christmas Cactus, and poinsettia.

SourceBMJ Group·JournalThe BMJ·TypeLiterature review·DateDec 15, 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.

Seagrass is not a miracle solution against climate change

Tropical seagrass meadows may not be as effective in absorbing carbon dioxide as previously believed. According to a new study, some of these ecosystems actually release more CO2 into the atmosphere than they store. This finding is significant for accurately calculating their climate protection potential.

SourceHelmholtz-Zentrum Hereon·JournalScience Advances·TypeExperimental study·DateDec 15, 2021

A smart livestock farming solution

A team of researchers from the University of Groningen developed an AI-based system that can identify individual Holstein cows in a milking station based on their coat pattern. The system achieved a recognition rate of 99.7% and has several advantages, including non-invasiveness, cost-effectiveness, and scalability.

SourceUniversity of Groningen·JournalExpert Systems with Applications·TypeImaging analysis·DateDec 15, 2021

Gene therapy advance could reverse a common genetic cause of hearing loss

A novel gene delivery technique has successfully restored hearing in mice with a mutated STRC gene, which is the second most common genetic cause of hearing loss. The approach could be used to deliver other large genes and may provide a broad window of opportunity for treatment from babies to adults.

SourceBoston Children's Hospital·JournalScience Advances·DateDec 15, 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.

Ionic-liquid-modified non-precious metal catalysts for oxygen reduction reaction -- temperature effect

Researchers investigated the effect of temperature on Ionic-liquid-modified non-precious metal catalysts for oxygen reduction reactions, demonstrating that IL modification significantly increases ORR activity and stability, even at elevated temperatures. The study confirms the SCILL concept's potential in improving LTFCs.

SourceDalian Institute of Chemical Physics, Chinese Academy Sciences·JournalJournal of Energy Chemistry·DateDec 15, 2021

NIH researchers identify potential AMD drugs with stem-cell based research tool

Researchers developed a dish-based model that replicates the characteristics of dry age-related macular degeneration, allowing them to screen over 1,200 drugs for their ability to slow or halt disease progression. Two drugs, Aminocaproic acid and L745, showed promise in inhibiting key phenotypes associated with AMD.

SourceNIH/National Eye Institute·JournalNature Communications·TypeExperimental study·DateDec 15, 2021

Effective combination cancer treatment

Researchers at the Paul Scherrer Institute have discovered a combination of rapamycin and a radiopharmaceutical that can effectively inhibit tumour growth, improving treatment outcomes for medullary thyroid cancer. The new therapy uses mini-gastrin coupled with lutetium-177 to target cancer cells more efficiently.

SourcePaul Scherrer Institute·JournalPharmaceutics·TypeExperimental study·DateDec 15, 2021

New research in JNCCN raises concerns about clinical trial bias from undisclosed censoring

A recent study published in JNCCN found that 33 out of 81 studies lacked transparency on censoring, which can introduce bias and affect trial results. The researchers emphasize the need for improved transparency and reporting in clinical trials to ensure patients and clinicians make informed decisions.

SourceNational Comprehensive Cancer Network·JournalJournal of the National Comprehensive Cancer Network·DateDec 15, 2021

Illegal gold mining continues to harm Amazon ecosystem

A major intervention against illegal river gold mining in Peru's Madre de Dios region was only partially effective, with mining activity continuing in surrounding areas. The operation halted environmental degradation in some protected zones but led to a rapid increase in mining outside the targeted zone.

SourceAmerican Geophysical Union·DateDec 15, 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.

Scientists create stable materials for more efficient solar cells

Researchers developed a new process to produce stable formamidinium perovskite (FAPbI3) materials, which can be used to make more efficient and stable solar cells. The novel approach uses lower temperatures and eliminates additives, making it suitable for large-scale production and flexible solar cell applications.

SourceQueen Mary University of London·JournalAdvanced Materials·DateDec 15, 2021

Digital microscale electrochemical energy storage devices helps to build a fully connected and intelligent world

Researchers highlight importance of digital microscale electrochemical energy storage devices in building a fully connected and intelligent world. They discuss design principles, material selection, and fabrication processes for these devices, which are crucial for seamless integration with various electronic systems.

SourceDalian Institute of Chemical Physics, Chinese Academy Sciences·JournalACS Energy Letters·TypeCommentary/editorial·DateDec 15, 2021

Study of Antarctic ice’s deep past shows it could be more vulnerable to warming

A new study led by Imperial College London scientists has found that the West Antarctic Ice Sheet (WAIS) was larger than previously thought during colder periods in the Miocene, contributing significantly to sea-level rise events millions of years ago. This insight will help researchers predict the future of the WAIS as the world warms.

SourceImperial College London·JournalNature·DateDec 15, 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.

‘Forever chemicals’ latch onto sea spray to become airborne

A field study found that sea spray aerosols contain pollutants like perfluoroalkyl acids (PFAAs), potentially harmful compounds known as "forever chemicals". The researchers estimated global emissions of PFAAs from oceans to air could be up to 756 U.S. tons annually.

SourceAmerican Chemical Society·JournalEnvironmental Science & Technology·DateDec 15, 2021

Daylight causes road damage

Researchers at Vienna University of Technology have discovered that visible light, particularly in the blue and green range, accelerates the oxidation of bitumen, leading to cracking and damage to asphalt. This unexpected finding highlights the importance of considering solar radiation in estimates for road durability.

SourceVienna University of Technology·JournalConstruction and Building Materials·TypeExperimental study·DateDec 15, 2021