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Science News Archive February 2021 - Page 14


Page 14 of 45

Direct cloning method CAPTUREs novel microbial natural products

Researchers developed a direct cloning method, CAPTURE, to accelerate large-scale discovery of novel natural products. The method allows for efficient cloning of large genomic fragments, including those with high-GC content or sequence repeats.

SourceCarl R. Woese Institute for Genomic Biology, University of Illinois at Urbana-Champaign·JournalNature Communications·DateFeb 19, 2021

Data show lower daily temperatures lead to higher transmission of COVID-19

Research found that warmer temperatures lead to decreased COVID-19 case rates, while cooler temperatures increase the rate of new cases. The study analyzed daily low temperatures and infection rates from Jan 22 to April 6, 2020, in 50 countries and showed a significant correlation between temperature and transmission.

SourceUniversity of Louisville·JournalPLOS ONE·DateFeb 19, 2021

Prion diseases: new clues in the structure of prion proteins

A new study has sequenced the carbohydrate structures of glycoproteins from two different sheep prion strains, revealing no major differences that could explain the diversity in prion strains. The findings suggest glycans may not be responsible for the biochemical and neuropathological differences between strains.

SourceScuola Internazionale Superiore di Studi Avanzati·JournalPLOS Pathogens·DateFeb 19, 2021
CalDigit TS4 Thunderbolt 4 Dock

CalDigit TS4 Thunderbolt 4 Dock simplifies serious desks with 18 ports for high-speed storage, monitors, and instruments across Mac and PC setups.

Atomic nuclei in the quantum swing

Researchers have successfully controlled quantum jumps in atomic nuclei using X-ray light, enabling ultra-precise atomic clocks and potentially powerful nuclear batteries. The technique requires precise control of high-energy X-ray pulses to manipulate quantum dynamics.

SourceMax-Planck-Gesellschaft·JournalNature·DateFeb 19, 2021

42,000-year-old trees allow more accurate analysis of last Earth's magnetic field reversal

Researchers have found that 42,000-year-old New Zealand kauri trees can accurately analyze the last complete reversal of the Earth's magnetic field. The study's findings suggest that the weak magnetic field had a significant impact on the atmosphere, leading to increased cosmic radiation and changes in ozone levels.

SourceGFZ GeoForschungsZentrum Potsdam, Helmholtz Centre·JournalScience·DateFeb 19, 2021
Apple iPhone 17 Pro

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

Call to action for research ethics in the time of COVID-19 and BLM

University of Illinois Chicago faculty members advocate for research ethics reforms to engage Black populations in COVID-19 and BLM-related studies. The authors recommend understanding ongoing trauma, acknowledging historical context, and ensuring diverse research teams to foster trust.

SourceUniversity of Illinois Chicago·JournalJournal of Medical Ethics·DateFeb 19, 2021

Origin of life -- Did Darwinian evolution begin before life itself?

Researchers demonstrate that basic features of simple polymers and prebiotic environment can give rise to selection processes that reduce disorder. They identify specific base sequences that enable oligomers to fold into particular shapes, leading to the emergence of catalytically active complexes like ribozymes.

SourceLudwig-Maximilians-Universität München·JournalProceedings of the National Academy of Sciences·DateFeb 19, 2021

Sex that is not for reproduction

Paramecium uses a complex system to determine mating types, allowing for genetic variation and reproduction. The mechanism involves programmed genome rearrangements and small RNAs that eliminate unnecessary DNA sequences.

SourceSt. Petersburg State University·JournalGenome Biology and Evolution·DateFeb 19, 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.

Hospital hygiene: A closer look reveals realistic frequency of infection

A study investigated the correlation between surgical site infection rates and hospital audit scores in Swiss hospitals. The results showed a clear connection between low SSI rates and high audit scores, suggesting that better surveillance systems can reduce infection rates.

SourceInselspital, Bern University Hospital·JournalInfection Control and Hospital Epidemiology·DateFeb 18, 2021

Paper: STEM skills gap modest among IT help desk workers

A new study from the University of Illinois at Urbana-Champaign found that the incidence of prolonged hiring difficulties for STEM workers in the IT help desk sector is modest, with only 11%-15% of vacancies showing signs of persistent hiring frictions. The researchers identified organizational characteristics, management strategy, and...

SourceUniversity of Illinois at Urbana-Champaign, News Bureau·JournalILR Review·DateFeb 18, 2021

Targeting the SARS-CoV-2 main protease yields promise in transgenic mouse model

Researchers designed and tested 32 inhibitors targeting the SARS-CoV-2 main protease, a key viral protein required for replication. The study found six compounds with high potency to protect cells from infection, offering promise for the development of orally available anti-SARS-CoV-2 drugs.

SourceAmerican Association for the Advancement of Science (AAAS)·JournalScience·DateFeb 18, 2021

Blueprint for fault-tolerant qubits

Researchers at Forschungszentrum Jülich and RWTH Aachen University have proposed a circuit for quantum computers that inherently protects against common errors through passive error correction. This design enables the creation of a large number of qubits, crucial for building a universal quantum computer.

SourceForschungszentrum Juelich·JournalPhysical Review X·DateFeb 18, 2021
Meta Quest 3 512GB

Meta Quest 3 512GB enables immersive mission planning, terrain rehearsal, and interactive STEM demos with high-resolution mixed-reality experiences.

Locked MOFs are the key to high porosity

A team of researchers at KAUST has developed a highly porous metal organic framework (MOF) with a unique design that allows for the adjustment of its pore structure. The MOF, inspired by zeolites, features a sodalite topology with pores measuring up to 43 angstroms in diameter.

SourceKing Abdullah University of Science & Technology (KAUST)·JournalJournal of the American Chemical Society·DateFeb 18, 2021

First report on mass shootings from Columbia University database

The study found that serious mental illness was present in only 11% of all mass murderers and 8% of mass shooters. Non-firearm means resulted in significantly more casualties per event. The researchers also found that U.S.-based mass shooters were more likely to have legal histories or use recreational drugs.

SourceColumbia University Irving Medical Center·JournalPsychological Medicine·DateFeb 18, 2021

UCI researchers eavesdrop on cellular conversations

CellChat enables the decoding of signaling molecules that transmit information between cells, providing insights into cellular communication patterns. The tool can be used to compare communication networks in different states of an organ and uncover molecular drivers in various diseases.

SourceUniversity of California - Irvine·JournalNature Communications·DateFeb 18, 2021

Selective concentration of cationic species

A research team at POSTECH created a novel type of multiscale-porous anion exchange membrane to concentrate only cationic samples. This breakthrough allows for the easy fabrication of a cation-selective electrokinetic concentrator, streamlining manufacturing processes.

SourcePohang University of Science & Technology (POSTECH)·JournalAdvanced Functional Materials·DateFeb 18, 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.

Investigating the wave properties of matter with vibrating molecules

Researchers have developed a novel spectroscopy technique to measure the wave properties of molecular vibrations, achieving resolution capacity 10,000 times higher than previous methods. The experiment confirms quantum theory's prediction regarding atomic nuclei behavior with high accuracy.

SourceHeinrich-Heine University Duesseldorf·JournalNature Physics·DateFeb 18, 2021

Magnetic attraction: Breakthrough test for malaria

A new test has been developed to detect the magnetic properties of malaria-infected blood, which could help eliminate the disease. The test, called rotating-crystal magneto-optical detection (RMOD), was field-tested on nearly 1000 suspected malaria patients in Papua New Guinea and showed promising results.

SourceJames Cook University·JournalNature Communications·DateFeb 18, 2021

Giving oxygen to the question of air quality

Alkanes participate extensively in autoxidation reactions with oxygen molecules, overturning current chemical knowledge and implications for air quality prediction and efficient fuel combustion. The discovery also sheds light on atmospheric conversion of volatile organic molecules into particulate matter.

SourceKing Abdullah University of Science & Technology (KAUST)·JournalCommunications Chemistry·DateFeb 18, 2021

The messenger matters in safe gun storage, suicide prevention education

A Rutgers study found that law enforcement and military personnel are the most preferred messengers for safe gun storage and suicide prevention education. The study ranked 14 groups as trusted sources, with law enforcement and military personnel ranking highest among firearm owners.

SourceRutgers University·JournalPreventive Medicine·DateFeb 18, 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.

Human brain taps into visual cues when lacking a sense of touch - study

Researchers find that individuals without a sense of touch can use visual cues to navigate and orient themselves, while those who lose the sense as adults may develop compensatory skills using conscious thought. The study suggests that the brain can adapt to sensory information loss and find alternative ways to process visual data.

SourceUniversity of Birmingham·JournalExperimental Brain Research·DateFeb 18, 2021

Increasing temperatures will hit meat and milk production in East Africa

Climate change is projected to worsen heat stress conditions in East Africa, impacting dairy cattle, beef cattle, sheep, goat, pigs, and poultry. Implementing well-targeted climate adaptation strategies, such as breeding heat-tolerant animals and providing adequate water access, is crucial to mitigate the effects of rising temperatures.

SourceThe Alliance of Bioversity International and the International Center for Tropical Agriculture·JournalNature Food·DateFeb 18, 2021

A new piece of the HIV infection puzzle explored

Scientists have successfully imaged HIV during transport into the nucleus of an infected cell using 3D imaging techniques. The images show that the viral capsid passes through the nuclear pore intact before breaking apart inside the nucleus.

SourceEuropean Molecular Biology Laboratory·JournalCell·DateFeb 18, 2021

LHC/ATLAS: A unique observation of particle pair creation in photon-photon collisions

The ATLAS experiment at the LHC has observed the creation of particle pairs from interacting photons, a unique and rare process. The detection was made possible by the AFP spectrometers, which track protons slightly deflected from the main beam, providing insight into the physics of high-energy collisions.

SourceThe Henryk Niewodniczanski Institute of Nuclear Physics Polish Academy of Sciences·JournalPhysical Review Letters·DateFeb 18, 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.

Study examines aspirin and statin use among older Americans

A study analyzing 11,392 U.S. adults aged 50+ found that many take aspirin despite lack of benefit, while others miss out on statins after cardiovascular events. The authors emphasize the need for healthcare providers to educate patients and promote safer prescribing practices

SourceWiley·JournalJournal of the American Geriatrics Society·DateFeb 18, 2021

Study: Preschoolers with higher cardiorespiratory fitness do better on cognitive tests

A new study found that preschoolers with higher cardiorespiratory fitness perform better on cognitive tests and other measures of brain function, including academic ability tasks and attention skills. The research suggests that the relationship between physical activity and brain health is evident even in early childhood.

SourceUniversity of Illinois at Urbana-Champaign, News Bureau·JournalJournal of Clinical Medicine·DateFeb 18, 2021

Ultrafast electron dynamics in space and time

Scientists have made a breakthrough in tracing electron transfer processes at metal-molecule interfaces, allowing for the observation of electron excitation pathways in real-time. This achievement has fundamental implications for optimizing interfaces and nanostructures, potentially leading to new technologies.

SourceForschungszentrum Juelich·JournalScience·DateFeb 18, 2021

Chatter between cell populations drives progression of gastrointestinal tumors

Research at University of California San Diego School of Medicine identified a new cellular target for GIST therapy that could lead to improved disease control and cure rates. The study found that specific cell-to-cell communication influences GIST biology and is strongly associated with cancer progression and metastasis.

SourceUniversity of California - San Diego·JournalOncogene·DateFeb 18, 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.

Poor swelter as urban areas of US Southwest get hotter

A new study found that urban areas in the US Southwest are experiencing extreme heat disparities, with lower socio-economic groups facing significantly higher temperatures. The study revealed that California's urban regions had the largest temperature differences between wealthier and poorer neighborhoods.

SourceUniversity of California - Davis·JournalInternational Journal of Environmental Research and Public Health·DateFeb 18, 2021

Electron cryo-microscopy sheds light on how bioenergy makers are made in our body

A new study uses electron cryo-microscopy to reveal the molecular mechanism of bioenergetic protein synthesis in human mitochondria, revealing a more flexible and active mitoribosome than previously thought. The discovery sheds light on how medical disorders such as deafness and cancer development are linked to mitochondrial function.

SourceScience For Life Laboratory·JournalScience·DateFeb 18, 2021

Genetics may play role in determining immunity to COVID-19

A recent study suggests that genetics play a role in determining immunity to COVID-19. The study found that the major histocompatibility complex (MHC) genes, which code for cell surface proteins essential for the adaptive immune system, may limit individual immune responses to SARS-CoV-2.

SourceUniversity of California - San Diego·JournalPLOS ONE·DateFeb 18, 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.

Supercomputer turns back cosmic clock

Researchers have developed a method to reconstruct the early Universe's state, removing gravitational effects from large-scale structure. The ATERUI II supercomputer was used to create simulated universes, revealing that the method can correct primordial density fluctuations and improve inflation constraints.

SourceResearch Organization of Information and Systems·JournalPhysical Review D·DateFeb 18, 2021

South American lizard's blood pressure mechanism is more efficient at cool temperatures

Researchers found that the black and white tegu lizard's baroreflex mechanism is more efficient at lower temperatures, relying on vascular adjustments rather than heart rate alterations. This discovery provides new insights into the physiology of ectothermic animals and paves the way for further research on novel applications.

SourceFundação de Amparo à Pesquisa do Estado de São Paulo·JournalPLOS ONE·DateFeb 18, 2021

Metabolic mutations help bacteria resist drug treatment

A study by MIT researchers has identified a class of metabolic mutations in bacteria that helps them develop resistance to antibiotics. The findings suggest that forcing bacteria to burn more energy could make them more susceptible to antibiotics, and may lead to the development of new drugs to enhance existing antibiotic effectiveness.

SourceMassachusetts Institute of Technology·JournalScience·DateFeb 18, 2021

Gulf war illness not caused by depleted uranium from munitions, study shows

A new study published in Scientific Reports suggests that inhalation of depleted uranium from exploding munitions did not lead to Gulf War illness. Researchers used high-precision mass spectrometry to analyze veterans' urine samples and found no differences in uranium isotopic ratios between those with GWI and control veterans.

SourceUT Southwestern Medical Center·JournalScientific Reports·DateFeb 18, 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.

Store fat or burn it? Targeting a single protein flips the switch

A recent study suggests that targeting a specific protein called eIF4E can reduce weight gain in mice fed a high-fat diet. The researchers found that these mice stored less fat and had improved liver health compared to their counterparts. Additionally, the modified mice showed enhanced lipid metabolism, allowing them to burn more fat.

SourceUniversity of California - San Francisco·JournalNature Metabolism·DateFeb 18, 2021

How lithium-rich cathode materials for high energy EV batteries store charge at hig

A new X-ray study has resolved how lithium-rich cathode materials store charge at high voltages, revealing that oxygen ions facilitate the process rather than metal redox. This breakthrough enables the design of better strategies to improve cycling and performance for these materials, paving the way for more efficient electric vehicles.

SourceUniversity of Warwick·JournalACS Energy Letters·DateFeb 18, 2021
GoPro HERO13 Black

GoPro HERO13 Black records stabilized 5.3K video for instrument deployments, field notes, and outreach, even in harsh weather and underwater conditions.

(Re)Shaping cities to combat inequality

Research from the Complexity Science Hub found that urban planning can directly influence social network formation and socio-economic equality. Towns with evenly distributed social networks tend to have lower economic inequality, while those with fragmented networks exhibit higher disparities.

SourceComplexity Science Hub·JournalNature Communications·DateFeb 18, 2021

Internet trends suggest COVID-19 spurred a return to earlier values and activities

During COVID-19, internet trends revealed a surge in community-oriented values, with words like 'help' and 'sacrifice' increasing on Twitter. The pandemic also inspired people to adopt basic needs like food, clothing, and shelter, as seen in Google searches for terms like 'grow vegetables' and 'sewing machine'.

SourceUniversity of California - Los Angeles·JournalHuman Behavior and Emerging Technologies·DateFeb 18, 2021

New research could boost a solar-powered fuel made by splitting water

Researchers at University of Chicago and Brookhaven National Laboratory develop a new method to improve photoelectrodes for producing solar fuels. By modifying the surface composition of bismuth vanadate electrodes, they found that surfaces with more bismuth atoms favor water splitting reactions.

SourceUniversity of Chicago·JournalNature Energy·DateFeb 18, 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.

Deep learning may help doctors choose better lung cancer treatments

Researchers developed a deep learning model that accurately predicts lung cancer patients' survival expectancy, significantly better than traditional machine learning models. The model can analyze large amounts of data to understand how various factors affect lung cancer survival periods.

SourcePenn State·JournalInternational Journal of Medical Informatics·DateFeb 18, 2021

Wolves prefer to feed on the wild side

A recent study found that wolves in Mongolia primarily feed on wild ungulates like Siberian roe deer, contrary to previous research suggesting a diet of mainly grazing livestock. The researchers believe this shift may be due to the availability of easier and less dangerous prey in near-natural regions.

SourceUniversity of Göttingen·JournalMammalian Biology·DateFeb 18, 2021

Is odor the secret to bats' sex appeal?

A recent study published by Mariana Muñoz-Romo found that odor-producing glands are present in male bats, attracting reproductive females. The research also highlights the importance of timing and chemistry in bat mating systems.

SourceSmithsonian Tropical Research Institute·JournalMammal Review·DateFeb 18, 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.

Ultraviolet 'television' for animals helps us better understand them

Researchers have developed an ultraviolet 'television' display to test animal vision, allowing them to study colour perception, motion detection, and social behaviour. The technology enables scientists to uncover new insights into the visual abilities of various species, including fish, birds, insects, and even clownfish.

SourceUniversity of Queensland·JournalMethods in Ecology and Evolution·DateFeb 18, 2021

Two distinct pathways leading to the development of septic shock pave the way for personalized medicine in sepsis

Researchers identified two distinct pathways leading to septic shock, involving bioactive Adrenomedullin (bio-ADM) and Dipeptidyl peptidase 3 (DPP3). Early diagnosis with biomarker-guided approaches shows promising results in personalized medicine for sepsis treatment. New diagnostics are available for rapid detection of these biomarkers.

Sourcesphingotec GmbH·JournalJournal of Internal Medicine·DateFeb 18, 2021