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Science News Archive 2021 - Page 174


Page 174 of 510

Getting under the skin: Tracing prevalence of skin diseases in type 2 diabetes mellitus

A new study examining the association between type 2 diabetes mellitus and skin diseases reveals a strong link between the two conditions. The research, published in Chinese Medical Journal, found that 93.5% of individuals with T2DM had skin problems, including over 47 types of comorbid skin diseases.

SourceCactus Communications·JournalChinese Medical Journal·TypeRandomized controlled/clinical trial·DateAug 16, 2021

From coral reef to goat ranch: Uncovering the botanical history of the Guadalupe Mountains

Researchers sequenced DNA from plant specimens collected nearly 50 years ago to analyze genetic diversity and its response to climate change. The study found that several species restricted to the Guadalupe Mountains had surprisingly high amounts of genetic diversity, which could help them adapt to changing conditions.

SourceBotanical Society of America·JournalApplications in Plant Sciences·DateAug 16, 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 simple method opens access to new fluorine-containing heterocycles

Researchers at Ural Federal University developed a simple method to produce fluorine-containing heterocycles, which are promising building blocks for medicinal chemistry and agrochemistry. The new compounds were found to be highly chemically active and selectively entered into various reactions.

SourceUral Federal University·JournalMolecules·TypeExperimental study·DateAug 16, 2021

How the malaria parasite defends itself from fever is unveiled

A new study led by ISGlobal has identified a gene called PfAP2-HS that allows the malaria parasite to defend itself from febrile temperatures and other adverse conditions within the host. The study found that this gene activates a protective response against high temperatures, helping the parasite survive in the host's environment.

SourceBarcelona Institute for Global Health (ISGlobal)·JournalNature Microbiology·DateAug 16, 2021

Regular exercise, even in polluted areas, can lower risk of death

A large study of 384,130 adults found that regular exercise lowers the risk of death from natural causes, regardless of air pollution exposure. Habitual exercise and low pollution levels were associated with lower mortality rates, while inactivity and high pollution were linked to higher risks.

SourceCanadian Medical Association Journal·JournalCanadian Medical Association Journal·DateAug 16, 2021

Researchers design dinuclear-site catalysts and reveal the underlying mechanism

Scientists have developed a method to synthesize uniform atomically precise Ni2 sites, a crucial step in designing effective dinuclear-site catalysts. Theoretical calculations suggest that these active intermediates play a key role in facilitating CO2 reduction reactions.

SourceUniversity of Science and Technology of China·JournalJournal of the American Chemical Society·DateAug 16, 2021
Apple iPhone 17 Pro

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

Existing drug may help improve responses to cellular therapies in advanced leukemias

Researchers at the University of Pennsylvania School of Medicine have identified a new mechanism of resistance in advanced chronic lymphocytic leukemia (CLL) patients to CAR T cell therapy. They found that inhibiting the BET protein with the small molecule inhibitor JQ1 can reinvigorate exhausted T cells and increase their production.

SourceUniversity of Pennsylvania School of Medicine·JournalJournal of Clinical Investigation·TypeExperimental study·DateAug 16, 2021

NIH scientists develop faster COVID-19 test

Researchers at the National Eye Institute developed a new sample preparation method to detect SARS-Cov-2, simplifying purification and potentially reducing test time and cost. The method uses a chelating agent to preserve RNA in samples, allowing for direct detection and increasing sensitivity.

SourceNIH/National Eye Institute·JournaliScience·DateAug 16, 2021

The good herb: buckwheat liquor helps cells clean house

Researchers from Osaka University found that quercetin in buckwheat liquor induces autophagy, a process that cleans up damaged proteins, and aggrephagy, which removes protein aggregates. This could lead to new treatments for diseases like Alzheimer's and alcoholic liver disease.

SourceOsaka University·JournalAntioxidants·TypeExperimental study·DateAug 16, 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.

Table-top electron camera catches ultrafast dynamics of matter

Researchers at DESY create a table-top electron camera that captures the inner, ultrafast dynamics of matter by shooting short bunches of electrons at a sample. The system uses Terahertz radiation for pulse compression and is validated with the investigation of a silicon sample.

SourceDeutsches Elektronen-Synchrotron DESY·JournalUltrafast Science·TypeExperimental study·DateAug 16, 2021

How nitrogen-doped fluorescent carbon dots are aiding the fight against disease

Researchers developed nitrogen-doped fluorescent carbon dots for multi-mechanism detection of iodide ion and curcumin in complex biological and food samples. The NCDs showed remarkable sensitivity, low detection limit, and good selectivity, making them a promising prospect for biosensing and disease diagnosis.

SourceKeAi Communications Co., Ltd.·JournalBioactive Materials·DateAug 16, 2021

Night shift work is linked to increased risk of heart problems

Research found that longer and more frequent night shifts increase the risk of atrial fibrillation and coronary heart disease. Genetic predisposition did not affect the link between night shifts and AF risk.

SourceEuropean Society of Cardiology·JournalEuropean Heart Journal·TypeObservational study·DateAug 16, 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.

History of the spread of pepper (C. annuum) is an early example of global trade

Genomic data analyzed over 10,000 pepper samples from worldwide genebanks to reconstruct the history of pepper's global expansion. The study found significant duplication of samples and regions with unique peppers, indicating human culture played a primary role in shaping pepper's spread globally.

SourceLeibniz Institute of Plant Genetics and Crop Plant Research·JournalProceedings of the National Academy of Sciences·TypeExperimental study·DateAug 16, 2021

3D ordered channel enhances electrocatalysis

Researchers developed a theory-guided microchemical engineering approach to optimize electrocatalytic performance of methanol oxidation reaction in 3D ordered and crossed-linked channels. Increasing the channel size promoted mass transfer, weakening vertical electron flow, leading to optimal performance.

SourceUniversity of Science and Technology of China·JournalJournal of the American Chemical Society·DateAug 16, 2021

New analysis reveals how region-wide policies might be ineffective in eliminating local risk factors for coronavirus spread

Researchers found regional lockdowns did not sufficiently address local COVID-19 risk differences in Italy. Instead, targeted interventions focused on high-risk areas could help strike a better balance between public health and economic damage. The study provides guidance for policy-makers to design effective interventions.

SourceUniversity of Warwick·JournalThe Lancet Regional Health - Europe·DateAug 16, 2021

Scientists with the help of computer modeling discover a substance that blocks coronavirus

Researchers at South Ural State University used computer modeling to identify a substance that can block the spread of coronavirus. The study found that ligands must match RNA polymerase as closely as possible to be effective, and scientists have developed an equation to test other ligands' effectiveness on receptors.

SourceSouth Ural State University·JournalMolecules·TypeComputational simulation/modeling·DateAug 16, 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.

Berkeley Lab science snapshots

Researchers at Berkeley Lab have made significant breakthroughs in developing a highly effective COVID-19 antibody therapy and an efficient thermoelectric system that can convert waste heat to electricity. The new antibody, S309, has been shown to neutralize all known SARS-CoV-2 strains and may be more difficult for new mutants to escape.

SourceDOE/Lawrence Berkeley National Laboratory·JournalNature·DateAug 16, 2021

Penn researchers unlock genetic ‘treasure map’ for chronic kidney disease

Researchers at the University of Pennsylvania School of Medicine have identified 182 genes likely responsible for kidney function and 88 genes for hypertension. The study provides a clearer picture of the genetic underpinnings of chronic kidney disease, paving the way for potential treatments.

SourceUniversity of Pennsylvania School of Medicine·JournalNature Genetics·TypeExperimental study·DateAug 16, 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.

Survivors of trauma struggle to move on from the loss of loved ones

A study found that trauma survivors who experienced post-traumatic stress disorder (PTSD) symptoms were more likely to experience complicated grief, a type of prolonged and intense sorrow. Researchers suggest that treating PTSD symptoms early may help prevent persistent grief in the long term.

SourceAmerican Psychological Association·JournalPsychological Trauma Theory Research Practice and Policy·TypeObservational study·DateAug 16, 2021

Chaos in the brain

A defective KCNQ3 channel disrupts the brain's navigation system, leading to disorganized place cell activity patterns. This study provides new insights into the role of KCNQ3 channels in Alzheimer's disease and other cognitive disorders, suggesting potential targets for future drug research.

SourceFriedrich-Alexander-Universität Erlangen-Nürnberg·JournalNature Communications·DateAug 16, 2021

Robotic floats provide new look at ocean health and global carbon cycle

The deployment of thousands of autonomous robots called BGC-Argo floats is transforming our understanding of marine primary productivity on a global scale. By measuring oxygen production over time, researchers can estimate net primary productivity and shed light on the ocean's role in storing carbon.

SourceMonterey Bay Aquarium Research Institute·JournalNature Geoscience·DateAug 16, 2021

New analysis of landmark scurvy study leads to update on vitamin C needs

A new study reanalyzes the Sorby vitamin C experiment, a landmark trial that determined the minimum vitamin C requirements for preventing scurvy. The analysis suggests that the recommended daily intake of 45mg may be too low to prevent weak scar strength.

SourceUniversity of Washington·JournalAmerican Journal of Clinical Nutrition·TypeLiterature review·DateAug 16, 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.

Insects’ sense of smell gives insight into better repellent design and drug screening

Researchers studied insect olfactory system to improve repellent design and drug screening. They found that chemoreceptor tuning depends on ligand-binding subunit identity, revealing diverse molecular mechanisms. These findings have potential applications in 'mammalian' chemogenetics and insect-based research.

SourceSkolkovo Institute of Science and Technology (Skoltech)·JournalMolecular Biology Reports·TypeExperimental study·DateAug 16, 2021

Antipsychotics during pregnancy

This observational study found no association between prenatal antipsychotic exposure and increased risk of preterm birth, attention-deficit/hyperactivity disorder (ADHD), and autism spectrum disorder in children. The study's findings suggest that antipsychotics during pregnancy do not pose a significant risk to fetal development.

SourceJAMA Network·JournalJAMA Internal Medicine·DateAug 16, 2021

Inflatable robotic hand gives amputees real-time tactile control

Engineers at MIT have developed a soft, lightweight neuroprosthetic hand that enables amputees to perform daily activities with ease. The prosthetic features a system for tactile feedback, allowing users to feel sensations in their residual limb, and is potentially low-cost for low-income families.

SourceMassachusetts Institute of Technology·JournalNature Biomedical Engineering·DateAug 16, 2021

Evaluation of data from a large-scale SARS-CoV-2 surveillance study reveals that comorbidities predict positive RT-PCR testing. Study finds equal risk of asymptomatic infection among children, teenagers, and working-age adults

A large-scale surveillance study in Madurai, India, found that comorbidities are a significant predictor of positive RT-PCR testing. The study also revealed an equal risk of asymptomatic infection among children, teenagers, and working-age adults, highlighting the importance of non-communicable disease control in COVID-19 containment s...

SourceCenter for Disease Dynamics, Economics & Policy·JournalThe Lancet Infectious Diseases·DateAug 16, 2021

Locations of Riemann Zeros accurately measured

A team from USTC measures first 80 Riemann zeros using a trapped-ion qubit in a Paul trap, achieving high precision. This work provides an experimental basis for studying the Hilbert–Pólya conjecture and understanding the connection between Riemann hypothesis and quantum systems.

SourceUniversity of Science and Technology of China·Journalnpj Quantum Information·DateAug 16, 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.

Russian scientists investigate the immune response to SARS-CoV-2 variants

Researchers assessed effectiveness of T-cell immune response to 11 SARS-CoV-2 variants, identifying HLA gene variants with significantly changed virus peptides. The T-cell COVID-19 Atlas portal (T-CoV) provides a comprehensive resource for understanding the impact of viral mutations on immunity.

SourceNational Research University Higher School of Economics·JournalNucleic Acids Research·DateAug 15, 2021

Researchers develop new way to study neurodegenerative diseases

Rutgers researchers have developed a novel technique to quantify protein droplets involved in neurodegenerative diseases. The technique measures the surface tension and viscosity of protein droplets, allowing for improved understanding of disease mechanisms and potential drug treatments.

SourceRutgers University·JournalBiophysical Reports·DateAug 13, 2021

Russian researchers present ultra-precise brain imaging tool

A team from the Russian Quantum Center developed a novel solid-state supersensitive room-temperature magnetometer capable of registering weak electrical sources in the brain. The device successfully detected alpha rhythm, a sinusoidal electric current in the back of the brain, and showed higher sensitivity than existing systems.

SourceSkolkovo Institute of Science and Technology (Skoltech)·JournalHuman Brain Mapping·TypeExperimental study·DateAug 13, 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.

‘Missing jigsaw piece’: engineers make critical advance in quantum computer design

Quantum engineers at the University of New South Wales have discovered a new technique to control millions of spin qubits, a critical step towards building a practical quantum computer. This breakthrough uses a novel component called a dielectric resonator to focus microwave power and deliver uniform magnetic fields across the chip.

SourceUniversity of New South Wales·JournalScience Advances·TypeExperimental study·DateAug 13, 2021

Uncovering trends and gaps in Hispanic population health research

Researchers analyzed over 100 datasets to identify changes in Hispanic population health research from 1960 to 2019. They found an increase in studies including adult populations and measures of ethnic and racial identity, but noted gaps in data on children and youth, gender identity, and immigration status.

SourceTexas A&M University·TypeNews article·DateAug 13, 2021

Back to the land: Research helps farmers sequester soil carbon

Research by Wuletawu Abera and his team has shown that vegetation cover combined with earthworks like retaining walls or trenches can help increase the amount of carbon stored in the soil. The studies focused on the Ethiopian highlands, where land degradation has led to erosion and loss of soil organic matter.

SourceThe Alliance of Bioversity International and the International Center for Tropical Agriculture·JournalJournal of Environmental Management·DateAug 13, 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.

Men, Conservative Party supporters and Brexit-backers more likely to support the use of nuclear weapons, study shows

A recent study published in the European Journal of International Security found that men and supporters of the Conservative Party are more likely to support the use of nuclear weapons. The study analyzed data from the new UK Security Survey and found that those who voted to leave the EU and endorsed superior military power worldwide w...

SourceUniversity of Exeter·JournalEuropean Journal of International Security·TypeData/statistical analysis·DateAug 13, 2021

COVID-19-related insurance coverage changes, access to care disparities

A survey study found significant disparities in insurance coverage and access to health care among low-income families and people of color across four Southern states during the COVID-19 pandemic. The study revealed increased challenges in accessing medical care due to limited insurance coverage and other factors.

SourceJAMA Network·JournalJAMA Health Forum·DateAug 13, 2021

Three-layered control of mRNA tails

A new study reveals that multiple pathways regulate poly(A) tail lengths in yeast, involving poly(A) binding proteins and a self-regulating pathway. This discovery sheds light on the complex control of mRNA tails and their impact on protein production.

SourceAarhus University·JournalGenes & Development·TypeExperimental study·DateAug 13, 2021

Why boiling droplets can race across hot oily surfaces

Researchers at MIT have quantified the phenomenon for the first time, finding that boiling droplets on hot oily surfaces move rapidly due to a thin oil cloak coating the outside of each water droplet. This cloak acts as a kind of balloon skin, holding vapor bubbles in place and imparting momentum.

SourceMassachusetts Institute of Technology·JournalPhysical Review Letters·DateAug 13, 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.

Corals survive the heat with bacterial help

Researchers found that a probiotic cocktail of beneficial bacteria increases coral survival after a bleaching event. The approach could be administered in advance to help corals recover from high sea temperatures. Probiotic treatment improved coral response and recovery, boosting survival from 60% to 100%.

SourceKing Abdullah University of Science & Technology (KAUST)·JournalScience Advances·TypeExperimental study·DateAug 13, 2021

Just 10% of kids with ADHD outgrow it, study finds

A new study published in the American Journal of Psychiatry found that most children diagnosed with ADHD don't outgrow the disorder. In fact, researchers followed a group of 558 children with ADHD for 16 years and found that only 10% completely outgrew it.

SourceUniversity of Washington School of Medicine/UW Medicine·JournalAmerican Journal of Psychiatry·TypeObservational study·DateAug 13, 2021

‘Likes’ and ‘shares’ teach people to express more outrage online

A new Yale University study reveals that social media platforms like Twitter amplify expressions of moral outrage over time, encouraging users to express more outrage with increased likes and shares. This finding has significant implications for leaders and policymakers who use these platforms.

SourceYale University·JournalScience Advances·DateAug 13, 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.

Polymer enables tougher recyclable thermoplastics

Cornell researchers created a chemically recyclable thermoplastic by synthesizing long polymer chains using a special catalyst. The resulting material, poly(1,3-dioxolane) or PDXL, has high tensile strength and can be easily depolymerized back to its monomer state, making it suitable for large-scale applications like packaging products.

SourceCornell University·JournalScience·DateAug 13, 2021

Genetic program protects neurons from degeneration

Researchers at the University of Bonn identified a genetic program in fruit flies that controls neuron development and protection. The program, which involves the WNK gene, has similar functions in humans and may hold the key to understanding and treating neurodegenerative diseases.

SourceUniversity of Bonn·JournalNeuron·DateAug 13, 2021

Navigating the corn maze: FSU researchers develop technique to map out ‘light switches’ of maize genome

Researchers at Florida State University have developed a technique called MOA-seq to map DNA sequences in maize, allowing them to identify regulatory switches that control gene expression. This knowledge could lead to healthier plants, higher nutrient content, and better growth resistance, ultimately improving crop yields.

SourceFlorida State University·JournalPLOS Genetics·DateAug 13, 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.

Scientists develop a new instrument to measure atmospheric ammonia

A new instrument measures atmospheric ammonia with high sensitivity and fast response, allowing for accurate quantification of NH3 emissions from agricultural ecosystems. The open-path design overcomes challenges faced by close-path instruments, enabling long-term and automated measurements.

SourceInstitute of Atmospheric Physics, Chinese Academy of Sciences·JournalAgricultural and Forest Meteorology·DateAug 13, 2021

Scientists take step to improve crops’ photosynthesis, yields

Researchers at Cornell University have made a significant breakthrough in improving crop yields by enhancing photosynthesis. By removing the enzyme carbonic anhydrase from chloroplasts, scientists have found that plants can still undergo photosynthesis without compromising their growth, paving the way for more efficient food production.

SourceCornell University·JournalProceedings of the National Academy of Sciences·DateAug 13, 2021