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Science News Archive 2021 - Page 5


Page 5 of 510

Billions of starless planets haunt dark cloud cradles

Researchers found over 70-170 free-floating planets (FFPs) in the Upper Scorpius young stellar association, almost doubling the number of known FFPs. The sheer number suggests that planets formed around stars and then banished to darkness are an important contribution.

SourceNational Institutes of Natural Sciences·JournalNature Astronomy·TypeObservational study·DateDec 22, 2021

Communication between cells plays a major role in deciding their fate

A new model suggests that cell-to-cell communication plays a crucial role in determining cell fate, particularly in the development of blood cell types. This finding has significant implications for understanding cancer development and identifying leukemia cells of origin.

SourceUniversity of Southern California·JournalDevelopment·TypeComputational simulation/modeling·DateDec 22, 2021
Apple iPhone 17 Pro

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

ESO telescopes help uncover largest group of rogue planets yet

Astronomers used data from ESO's large telescopes and space-based facilities to spot tens of millions of sources in a wide area of the sky, identifying over 70 rogue planets comparable to Jupiter's mass. The discovery could provide clues on how these mysterious objects form, with further advances needed to study them in greater detail.

SourceESO·JournalNature Astronomy·DateDec 22, 2021

Exploring problematic smartphone use during COVID-19 pandemic

A survey study found links between problematic smartphone use and low sense of control, fear of missing out (FOMO), and repetitive negative thinking during the COVID-19 pandemic. The study suggests that physical activity and mindfulness practices may help reduce such use.

SourcePLOS·JournalPLOS ONE·TypeSurvey·DateDec 22, 2021

Semiconductors reach the quantum world

A composite material consisting of superconducting and semiconducting materials has been discovered, enabling the integration of quantum devices into semiconductor technology. This breakthrough could lead to significant improvements in data transmission bandwidth, energy efficiency, and information security.

SourcePaul Scherrer Institute·JournalScience Advances·TypeExperimental study·DateDec 22, 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.

MBL team succeeds in culturing the pygmy zebra octopus

The Marine Biological Laboratory (MBL) has successfully cultured the pygmy zebra octopus, a new model organism for biological research. This species offers unique features, such as small adult body size and predictable breeding schedule, making it an ideal candidate for further exploration and research.

SourceMarine Biological Laboratory·JournalFrontiers in Marine Science·TypeExperimental study·DateDec 22, 2021

Astronomers capture black hole eruption spanning 16 times the full moon in the sky

Astronomers captured the most comprehensive image of radio emission from a supermassive black hole in the Centaurus A galaxy, powered by in-falling gas. The eruption extends eight degrees across the sky, spanning 16 full moons, and reveals spectacular new details of the radio emission.

SourceInternational Centre for Radio Astronomy Research·JournalNature Astronomy·TypeObservational study·DateDec 22, 2021

Swaying mountains

The Matterhorn oscillates at two frequencies, with movements up to 14 times stronger at the summit than at the foot. Researchers detected these subtle vibrations using seismometers, which are also found in bridges and high-rise buildings, revealing a broader phenomenon.

SourceETH Zurich·JournalEarth and Planetary Science Letters·DateDec 22, 2021

Pathway to better eye health runs through the gut

Phoebe Lin's research establishes a gut-eye association in animal models, finding that certain interventions can enhance Tregs and decrease eye inflammation. Her five-year grant will investigate how intestinal microbes and the immune system can be rebalanced to treat uveitis.

SourceOregon Health & Science University·DateDec 22, 2021

Traffic speeds under 20mph best for encouraging cycling to work, study shows

A study of nearly 35,000 routes found that traffic speeds under 20mph are most likely to encourage cycling, with higher speeds deterring commuters. The research also highlights the importance of cycle paths and separates roads for encouraging more cycling.

SourceTaylor & Francis Group·JournalInternational Journal of Sustainable Transportation·TypeSurvey·DateDec 22, 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.

Rates of premature heart attack death vary by sex, race and region in the US

A new study found significant demographic and regional disparities in premature heart attack deaths in the US, with middle-aged adults, men, Black adults, and rural residents facing higher risks. The analysis suggests that targeted interventions and evidence-based strategies can help narrow these disparities and improve outcomes

SourceAmerican Heart Association·JournalJournal of the American Heart Association·DateDec 22, 2021

COVID-19 awareness and preparedness among healthcare workers worldwide

A survey of 17,302 healthcare workers in 57 countries found that male participants and nurses had higher preparedness scores than women and doctors. Preparedness varied across national wealth and sociodemographic characteristics, with East Asia and the Pacific having significantly higher scores.

SourcePLOS·JournalPLOS ONE·TypeSurvey·DateDec 22, 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.

Boston University School of Public Health professor joins nationwide reporting venture to reveal COVID’s hidden deaths

A Boston University School of Public Health professor is providing mortality data and modeling to identify underreported COVID-19 deaths in US counties. The true number of COVID deaths is likely much higher than recorded, with approximately 20% excess deaths occurring at home.

SourceBoston University School of Medicine·JournalPLOS Medicine·TypeNews article·DateDec 22, 2021

For some Greenlanders, eating sugar is healthy

A genetic variation among some Greenlanders makes sugar healthy by converting it into a short-chain fatty acid called acetate, which boosts the immune system. Adult carriers have lower BMI, weight, and fat percentage, while children may experience negative consequences from consuming sugar.

SourceUniversity of Copenhagen - Faculty of Science·JournalGastroenterology·DateDec 22, 2021

Novel semiconductor gives new perspective on anomalous Hall effect

Researchers have demonstrated a novel semiconductor exhibiting an unconventional large anomalous Hall resistance in the absence of large-scale magnetic ordering. The findings validate a recent theoretical prediction and provide new insights into the phenomenon.

SourceTokyo Institute of Technology·JournalScience Advances·TypeExperimental study·DateDec 22, 2021

Machine learning used to predict synthesis of complex novel materials

Scientists at Northwestern University applied machine learning to guide the synthesis of new nanomaterials, predicting structures for clean energy, chemical, and automotive industries. The algorithm accurately predicted 18 out of 19 possibilities, opening doors to unprecedented materials discovery.

SourceNorthwestern University·JournalScience Advances·DateDec 22, 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.

The shape of things

A team of researchers has identified a mechanical process by which sheets of cells morph into complex shapes, enabling organs to function. The process involves the production of hyaluronic acid, which swells with water and is constrained by thin connectors between cells.

SourceHarvard Medical School·JournalCell·TypeExperimental study·DateDec 22, 2021

Risk factors for heart disease change heart structure and appearance

A recent study published by Queen Mary University of London has found that certain risk factors for heart disease are linked to changes in the structure and appearance of the heart. The research analyzed images from over 30,000 people's heart MRI scans using a new imaging toolkit called radiomics.

SourceQueen Mary University of London·JournalFrontiers in Cardiovascular Medicine·TypeImaging analysis·DateDec 22, 2021

Neurons in the olfactory cortex link smells to places

A study published in Nature finds that neurons in the primary olfactory cortex learn to encode spatial maps by associating odours with locations, allowing animals to navigate and remember valuable resources. This discovery sheds light on how our brains process smells and spaces.

SourceChampalimaud Centre for the Unknown·JournalNature·TypeExperimental study·DateDec 22, 2021

How do our organs know when to stop growing?

A multidisciplinary team of scientists from UNIGE and MPIPKS has solved the mystery of how an organ changes its size depending on the size of the animal. They developed a mathematical equation that explains how cells know when to stop growing, using the example of the Paedocypris fish.

SourceUniversité de Genève·JournalNature·TypeExperimental study·DateDec 22, 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.

Humble lizards offer surprising approach to engineering artificial lungs

A new study from Princeton University shows how the brown anole lizard solves breathing problems with crude yet effective lobes covered in bulbous protuberances. The lizard's lung development is achieved through a physical mechanism that allows for rapid growth and gas exchange.

SourcePrinceton University, Engineering School·JournalScience Advances·TypeExperimental study·DateDec 22, 2021

DNAzymes – how active DNA molecules with therapeutic potential work

Researchers from Heinrich-Heine University Düsseldorf investigated DNAzyme function and application in real-time using atomic resolution techniques. They discovered that magnesium plays a crucial role in the mechanism, but its affinity is limited, leading to the need for targeted modifications to improve activity.

SourceHeinrich-Heine University Duesseldorf·JournalNature·DateDec 22, 2021

New vaccine allocation model focuses on fairness and diversity

Researchers developed a fair-diverse allocation optimization framework to optimize the distribution of COVID-19 vaccines, treatments, and testing supplies. The model aims to get limited resources to the most vulnerable subgroups while ensuring fairness and diversity, independent of demographic background.

SourceIllinois Institute of Technology·JournalSocio-Economic Planning Sciences·DateDec 22, 2021

CrAss viral content: When it’s in your gut, it might be good for your health

A study published in Annals of the Rheumatic Diseases found that crAss-like phages, a component of the gut virome, are less abundant in individuals with autoimmune diseases. This discovery may lead to the development of targeted therapies to manage autoimmune conditions.

SourceOsaka University·JournalAnnals of the Rheumatic Diseases·TypeData/statistical analysis·DateDec 22, 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.

Trees are important for cleaner air in cities

A new study led by researchers at the University of Gothenburg found that trees contribute to cleaner air in cities. The study measured pollutants in tree leaves and compared them with air pollution levels, showing a clear correlation between the two.

SourceUniversity of Gothenburg·JournalScience of The Total Environment·DateDec 21, 2021

Honing in on shared network of cancer genes

A study published in Cell Reports reveals a set of critical gene interactions that are common across many cancers. By using network modeling, researchers have pinpointed functionally relevant gene networks that could offer new cancer therapies.

SourceUniversity of Rochester Medical Center·JournalCell Reports·TypeExperimental study·DateDec 21, 2021

Star cells in the brain render memory flexible

Researchers found that astrocytes regulate cognitive flexibility by releasing D-serine and glutamate, which integrates synaptic plasticity. Heterosynaptic long-term depression is mediated by astrocytes, critical for memory modification.

SourceInstitute for Basic Science·JournalBiological Psychiatry·TypeExperimental study·DateDec 21, 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.

Toshiba’s Transparent Cu2O Tandem Solar Top Cell Achieves 8.4% Efficiency

Toshiba has successfully raised the power conversion efficiency (PCE) of its transparent Cu2O solar cell to 8.4%, a world record for a reported Cu2O solar cell. The company estimates that an overall PCE of 27.4% can be achieved, notably above the 26.7% highest PCE reported for any standard silicon cell.

SourceToshiba Corporation·JournalApplied Physics Letters·DateDec 21, 2021

Disaster relief could benefit from neural net combining multiple remote data sources

A new neural net technique combines optical imaging and synthetic-aperture radar to provide a single comprehensive data source, enhancing disaster response capabilities. The approach achieves up to a 96% accuracy rate in detecting objects and can be applied to various tasks such as crop health monitoring and building identification.

SourceBeijing Institute of Technology Press Co., Ltd·JournalSpace: Science & Technology·TypeData/statistical analysis·DateDec 21, 2021

Tsunamis’ magnetic fields are detectable before sea level change

A new study finds that the magnetic field generated by a tsunami can be detected a few minutes before changes in sea level, which could improve tsunami warning systems. The researchers used real-world data from two tsunamis to confirm this relationship and provide valuable insights for improving tsunami source models.

SourceAmerican Geophysical Union·JournalJournal of Geophysical Research Solid Earth·DateDec 21, 2021

Swinging on the quantum level

Researchers from Münster, Bayreuth, and Berlin have proposed a new way of preparing quantum systems to generate single photon states. The proposed method uses a swing-up process in the quantum system to separate generated photons from exciting laser pulses, which is promising for applications.

SourceUniversity of Münster·JournalPRX Quantum·TypeComputational simulation/modeling·DateDec 21, 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.

An ancient relative of Velociraptor is unearthed in Great Britain

The newly discovered dinosaur Vectiraptor greeni, from the Early Cretaceous period, was a large, heavily built relative of Velociraptor with powerful claws and serrated teeth. It is believed to have hunted larger prey, using its strength rather than speed.

SourceUniversity of Bath·JournalCretaceous Research·TypeObservational study·DateDec 21, 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.

Mechanism for DNA invasion of adenoviral Covid-19 vaccines discovered

A new study reveals the sophisticated mechanism by which adenoviruses infect human cells and transfer foreign DNA into their nucleus. Protein V plays a crucial role in increasing the virus particle's stability and preventing premature DNA release, which triggers an anti-viral alarm system.

SourceUniversity of Zurich·JournalScience Advances·TypeExperimental study·DateDec 21, 2021

Quantum beam-applied liquid metal nanoparticularization for cancer optotheranostics

Scientists at Japan Advanced Institute of Science and Technology developed a novel method to create liquid metal nanoparticles using biomolecules and quantum beam radiation. The resulting nanoparticles exhibited unique structural and physicochemical traits, enabling NIR bioimaging and photothermal activation for cancer treatment.

SourceJapan Advanced Institute of Science and Technology·JournalApplied Materials Today·DateDec 21, 2021

Optics and photonics: Miniaturization of diffusers for new applications

Scientists have developed a novel optical component based on silicon nanoparticles, allowing for the specific control of light direction, color, and polarization. This technology has potential applications in transparent screens, augmented reality, and scientific research, enabling precise control over light behavior.

SourceKarlsruher Institut für Technologie (KIT)·JournalAdvanced Materials·TypeExperimental study·DateDec 21, 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.

Autism-linked gene, if deleted, results in less myelin

Research by University of Texas Health Science Center at San Antonio scientists found that mice missing one copy of the Tbx1 gene exhibit slower cognitive processing. The gene's deletion led to diminished myelin insulation around nerves, impacting signal conduction between brain regions.

SourceUniversity of Texas Health Science Center at San Antonio·JournalMolecular Psychiatry·TypeExperimental study·DateDec 21, 2021

Fueling the future with new perovskite-related oxide-ion conductors

Researchers have developed a new hexagonal perovskite-related oxide with excellent ionic conduction at intermediate and low temperatures, paving the way for efficient solid oxide fuel cells. The material's stability and ion conduction remain dominant in reducing atmospheres.

SourceTokyo Institute of Technology·JournalSmall·TypeExperimental study·DateDec 21, 2021

Sensor based on quantum physics could detect SARS-CoV-2 virus

A novel quantum-based sensor has been developed to detect the SARS-CoV-2 virus with high accuracy and speed. The sensor uses nitrogen vacancy centers in diamond to detect minute perturbations in the presence of viral RNA, enabling fast and reliable detection.

SourceMassachusetts Institute of Technology·JournalNano Letters·DateDec 21, 2021

Double chalice breaks the blockade

Researchers at the University of Victoria have developed a novel broad-spectrum antidote for neuromuscular blockers, consisting of double calixarenes that bind to blocker rods with high selectivity. The 'double chalices' do not block acetylcholine and other physiologically important amines.

SourceWiley·JournalAngewandte Chemie International Edition·TypeExperimental study·DateDec 21, 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.

Where does the special scent of thyme and oregano come from?

A team of researchers has fully identified the production process of thymol and carvacrol in thyme and oregano, respectively. The findings could lead to improved plant breeding and the development of new antibacterial and anti-inflammatory substances.

SourceMartin-Luther-Universität Halle-Wittenberg·JournalProceedings of the National Academy of Sciences·TypeExperimental study·DateDec 21, 2021

Face detection in untrained deep neural networks​

A KAIST research team found that visual selectivity of facial images can arise spontaneously in completely untrained deep neural networks. This discovery reveals the emergence of primitive visual cognitive functions in biological and artificial neural networks, raising questions about the origin of early brain functions.

SourceThe Korea Advanced Institute of Science and Technology (KAIST)·JournalNature Communications·TypeMeta-analysis·DateDec 21, 2021

Regulatory circuits involving bud dormancy factor PpeDAM6

The PpeDAM6 gene plays a crucial role in regulating plant bud dormancy, responding to environmental conditions and hormonal signals. The study reveals the interaction between PpeBPCs and PpeDAM6, highlighting the importance of epigenetic regulation in modulating cell growth and tolerance to abiotic stresses.

SourceNanjing Agricultural University The Academy of Science·JournalHorticulture Research·DateDec 21, 2021

An ancient relative of Velociraptor is unearthed in Great Britain

A new bird-like dinosaur, Vectiraptor greeni, has been found in England, dating back to the Early Cretaceous period. The fossilized remains suggest a large and powerful animal with massive bones, which would have used brute strength to overpower its prey.

SourceUniversity of Portsmouth·JournalCretaceous Research·TypeObservational study·DateDec 21, 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.

Engineering high-dimensional quantum states

A team of researchers demonstrates an adaptive optimization protocol that can engineer arbitrary high-dimensional quantum states, overcoming limitations due to noise and experimental imperfections. The protocol uses measured agreement between produced and target state to tune experimental parameters.

SourceSPIE--International Society for Optics and Photonics·JournalAdvanced Photonics·TypeExperimental study·DateDec 21, 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.