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Science News Archive April 2023 - Page 20


Page 20 of 37

Natural History Museums of Los Angeles County’s Dr. Luis Chiappe co-authors paper on relationship between feathered dinosaurs and beetles

Researchers from Natural History Museums of Los Angeles County have discovered evidence of a symbiotic relationship between Cretaceous dinosaurs and feather-feeding beetles. The study found that the beetles fed on the feathers of theropod dinosaurs during the Early Cretaceous period, approximately 105 million years ago.

SourceNatural History Museum of Los Angeles County·JournalProceedings of the National Academy of Sciences·DateApr 17, 2023

Protein domain common to plants and animals plays role in COVID-19 infection

Scientists found a common plasminogen-apple-nematode domain in plants like poplar and willow that is also present in the human NRP1 receptor protein, which holds promise as a future therapeutic target for COVID-19 treatment. Mutating amino acids in this domain disrupted the virus's ability to invade cells.

SourceDOE/Oak Ridge National Laboratory·JournaliScience·DateApr 17, 2023

Prime editing shows proof of concept for treating sickle cell disease

Researchers used prime editing to correct the mutation that causes sickle cell disease, restoring normal blood parameters in mice. The approach showed promising results with up to 41% conversion of mutated cells to healthy ones.

SourceSt. Jude Children's Research Hospital·JournalNature Biomedical Engineering·TypeExperimental study·DateApr 17, 2023

Managing stress with food and alcohol consumption connected with faster lifelong weight gain

A 30-year follow-up study by the Finnish Institute for Health and Welfare found that eating as a means of stress management is correlated with higher body weight, while alcohol consumption is associated with higher weight in middle age. Stress-induced eating is more common among women due to cultural pressures to reduce weight.

SourceFinnish Institute for Health and Welfare·JournalPsychology and Health·TypeObservational study·DateApr 17, 2023
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.

Are high power electric vehicle chargers safe for patients with cardiac devices?

A study published in EP Europace found that high power electric vehicle chargers do not cause electromagnetic interference in patients with pacemakers and defibrillators, making them safe for use. The researchers monitored 130 patients during the study and did not observe any adverse events.

SourceEuropean Society of Cardiology·JournalEP Europace·TypeObservational study·DateApr 17, 2023

Graphene ‘tattoo’ treats cardiac arrhythmia with light

Researchers developed a graphene 'tattoo' implant that senses irregular heart rhythms and delivers electrical stimulation without constraining the heart's natural motions. The device is optically transparent, allowing for external light to record and stimulate the heart through the device.

SourceNorthwestern University·JournalAdvanced Materials·TypeExperimental study·DateApr 17, 2023

What previous bird flu outbreaks teach us

Researchers studied H7N9 epidemic waves in China from 2013 to 2017, analyzing gene sequences to build phylogenetic trees. They found the virus likely circulated in poultry for months before being detected, and suggest continuous monitoring of animal health is crucial

SourceETH Zurich·JournalProceedings of the National Academy of Sciences·TypeData/statistical analysis·DateApr 17, 2023

Uncovering how the biological clock impacts lung health

A study by University of Rochester Medical Center researchers reveals how a biological clock molecule contributes to lung scarring. Low levels of REV-ERBα have been linked to increased collagen production and worse lung damage in patients with pulmonary fibrosis.

SourceUniversity of Rochester Medical Center·JournalNature Communications·TypeExperimental study·DateApr 17, 2023

Controlling thermal conductivity in liquid crystals

By doping liquid crystals with azobenzene molecules, researchers can induce reversible changes in thermal conductivity under ultraviolet light. This breakthrough opens up new possibilities for designing materials with tunable thermal conductivity to address challenges in microelectronics.

SourceCenter for Research in Biological Chemistry and Molecular Materials (CiQUS)·JournalJournal of Materials Chemistry C·DateApr 17, 2023
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.

'Divine' legislation mapped: Religion blocks freedom and democracy across the globe

A recent study by researchers at the University of Copenhagen found that societies with high levels of social inequality are more likely to have laws that discriminate against certain groups. Additionally, autocracies often institutionalize religion to legitimize power and resist democratization.

SourceUniversity of Copenhagen·JournalJournal of Economic Growth·TypeData/statistical analysis·DateApr 17, 2023

UC Irvine physicists discover first transformable nano-scale electronic devices

Researchers have discovered a new property in materials that allows for fundamentally different types of devices architectures to be realized. The breakthrough enables the creation of mechanically reconfigurable electronic devices with low friction, which could revolutionize industries such as electronics and quantum science.

SourceUniversity of California - Irvine·JournalScience Advances·DateApr 17, 2023

KERI accredited as an inspection body by ACCREDIA for electrical equipment

KERI has been accredited as a Type A Inspection Body by ACCREDIA, enabling it to issue globally accepted Certificates of Inspection for electrical equipment. This accreditation will help domestic manufacturers increase their export competitiveness by reducing certification time and costs.

SourceNational Research Council of Science & Technology·DateApr 17, 2023

Fossils reveal the long-term relationship between feathered dinosaurs and feather-feeding beetles

The study found fossils of beetle larvae in intimate contact with dinosaur feathers, suggesting a symbiotic relationship where the beetles fed on the feathers. The discovery provides insight into coevolution between vertebrates and arthropods over 500 million years, revealing rare evidence of their interaction.

SourceUniversity of Oxford·JournalProceedings of the National Academy of Sciences·TypeExperimental study·DateApr 17, 2023

Can you describe a sensation without feeling it first?

A woman born without somatosensation, Kim, was found to be able to comprehend and use tactile language and metaphors, challenging notions of embodied cognition. She relies on other senses to perceive the world and uses language based on association rather than direct experience.

SourceUniversity of Chicago·JournalFrontiers in Communication·TypeExperimental study·DateApr 17, 2023
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.

A novel platinum nanocluster for improved oxygen reduction reaction in fuel cells

Researchers at Tokyo University of Science have developed a novel platinum nanocluster catalyst that exhibits 2.1 times higher oxygen reduction reaction activity than commercial catalysts. The study reveals that the high activity is due to the electronic structure of surface Pt atoms, which is suitable for ORR progress.

SourceTokyo University of Science·JournalNanoscale·TypeExperimental study·DateApr 17, 2023

Novel, highly sensitive biosensor set to transform wearable health monitoring

Researchers developed a wireless bioresonator using parity–time symmetry to detect minute biological signals, achieving 2000-fold higher sensitivity than conventional systems. The biosensor can measure glucose concentrations ranging from 0.1 to 0.6 mM and lactate levels up to 4.0 mM.

SourceWaseda University·JournalAdvanced Materials Technologies·TypeExperimental study·DateApr 17, 2023

Emotion-focused therapy for bipolar disorder targets the amygdala

A new study found that emotion-focused therapy increased activation and connectivity of the amygdala in patients with bipolar disorder, leading to improved emotion processing. In contrast, cognitive-behavioral therapy showed increased activation of brain regions related to social function but not altered amygdala activity.

SourceElsevier·JournalBiological Psychiatry Cognitive Neuroscience and Neuroimaging·TypeRandomized controlled/clinical trial·DateApr 17, 2023

A solar hydrogen system that co-generates heat and oxygen

The system uses a parabolic dish to concentrate solar radiation, which is then converted into hydrogen, oxygen, and heat through photoelectrochemical cells. The output power exceeds 2 kilowatts, achieving record-high efficiency for its scale, with potential applications in industrial, commercial, and residential energy.

SourceEcole Polytechnique Fédérale de Lausanne·JournalNature Energy·TypeExperimental study·DateApr 17, 2023

Renewable route to rubber material

Researchers at KAUST have developed a sustainable method for producing butadiene, a key component of synthetic rubber, using the Lebedev process and modernized catalysts. The new approach eliminates the need for fossil reserves and reduces environmental impact.

SourceKing Abdullah University of Science & Technology (KAUST)·JournalNature Catalysis·DateApr 17, 2023
Apple iPhone 17 Pro

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

Carbon ‘bank’ at risk of failure: Scientists trying to determine what will happen to massive carbon stores as rainforests dry out

Scientists warn that tropical forests' capacity to act as a carbon sink is declining due to persistent drought. The study found that soil nutrients play a significant role in carbon storage and release, contradicting previous models. Researchers are urging action to address emissions and increase carbon sequestration initiatives.

SourceColorado State University·JournalGlobal Biogeochemical Cycles·TypeExperimental study·DateApr 17, 2023

SpyLigation uses light to switch on proteins

Scientists have developed a method to activate protein functions using brief flashes of light, enabling precise control over when and where chemical reactions occur. This technology has potential uses in tissue engineering, regenerative medicine, and understanding biological processes.

SourceUniversity of Washington School of Medicine/UW Medicine·JournalNature Chemistry·TypeExperimental study·DateApr 17, 2023

KAIST team develops highly-sensitive wearable piezoelectric blood pressure sensor for continuous health monitoring

A KAIST research team has developed a highly sensitive, wearable piezoelectric blood pressure sensor for continuous health monitoring. The sensor's accuracy meets international standards, with errors within ±5 mmHg and a standard deviation under 8 mmHg for both systolic and diastolic blood pressure.

SourceThe Korea Advanced Institute of Science and Technology (KAIST)·JournalAdvanced Materials·TypeMeta-analysis·DateApr 17, 2023
Apple MacBook Pro 14-inch (M4 Pro)

Apple MacBook Pro 14-inch (M4 Pro) powers local ML workloads, large datasets, and multi-display analysis for field and lab teams.

Tracing Earth’s past in prehistoric rock deposits

The study analyzed ancient dolomite deposits to estimate the temperature and composition of a shallow inland sea during the Palaeoproterozoic era. The findings suggest that the conditions were ideal for photosynthetic algae to emerge, pumping oxygen into the atmosphere.

SourceIndian Institute of Science (IISc)·JournalChemical Geology·DateApr 17, 2023

JNM publishes appropriate use criteria for lymphoscintigraphy in sentinel node mapping and lymphedema/lipedema

The Society of Nuclear Medicine and Molecular Imaging has issued new appropriate use criteria (AUC) for lymphoscintigraphy in sentinel node mapping and lymphedema/lipedema. The AUC covers four clinical categories of cancer, including breast cancer, skin cancer, and others, and addresses pediatric considerations.

SourceSociety of Nuclear Medicine and Molecular Imaging·JournalJournal of Nuclear Medicine·DateApr 17, 2023
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.

Methane from megafires: more spew than we knew

A new detection technique reveals that megafires emit significantly more methane than previously thought, posing challenges to California's climate goals. Researchers used remote sensing to measure methane emissions from wildfires, finding nearly 20 gigagrams of methane emitted by a single fire.

SourceUniversity of California - Riverside·JournalAtmospheric Chemistry and Physics·DateApr 17, 2023

How electricity can heal wounds three times as fast

A team of researchers has developed a method that uses electric stimulation to accelerate wound healing, making it possible for wounds to heal up to three times faster. The technique involves applying an electric field to damaged skin, which helps guide skin cells in the same direction, promoting faster healing.

SourceChalmers University of Technology·JournalLab on a Chip·TypeExperimental study·DateApr 17, 2023

Gum disease may lie at the root of some arthritis flare-ups

Research published in Science Translational Medicine found that gum disease may trigger an immune response in patients with rheumatoid arthritis. Breaches in damaged gums allow oral bacteria to seep into the bloodstream, activating an immune response that targets the body's own proteins and causes flare-ups.

SourceRockefeller University·JournalScience Translational Medicine·DateApr 17, 2023

Lipid molecules help to get stroke therapies into the brain

Researchers at Tokyo Medical and Dental University have found that a specific lipid, alpha-tocopherol, increases the uptake of antisense oligonucleotides in the stroke-lesioned brain. This delivery method has potential for targeted protein expression after a stroke.

SourceTokyo Medical and Dental University·JournalMolecular Therapy·DateApr 17, 2023
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.

Facile synthesis of high-performance perovskite oxides for acid–base catalysis

Researchers at Tokyo Institute of Technology developed a simple sol-gel method to synthesize highly pure bifunctional solid acid-base catalysts with desirable properties. The new method produces SrTiO3 nanoparticles with high surface area, showing 10 times higher catalytic activity than commercially available titanates.

SourceTokyo Institute of Technology·JournalACS Applied Materials & Interfaces·TypeExperimental study·DateApr 17, 2023

Counting the cost of sunshine: Finding a better metric to measure human ecological footprints

Researchers develop 'Human Appropriation of Net Primary Production' (HANNP) metric to accurately estimate human impacts on the earth's systems. This new approach starts at the source, measuring the total biomass produced through photosynthesis and comparing it to what humans have appropriated for their own use.

SourceS.J. & Jessie E. Quinney College of Natural Resources, Utah State University·JournalEcological Indicators·TypeData/statistical analysis·DateApr 17, 2023

No magic number for time it takes to form habits

A new machine learning study found that habit formation varies in time for different behaviors, such as gym-going and hand-washing. The study analyzed data from over 30,000 gymgoers and 3,000 hospital workers, revealing factors like past behavior and time since last visit played significant roles.

SourceCalifornia Institute of Technology·JournalProceedings of the National Academy of Sciences·DateApr 17, 2023

School discipline can be predicted, new research says. Is it preventable?

A new study published in Proceedings of the National Academy of Sciences documents the dynamic nature of student discipline during an academic year. Schools with high racial disparity see discipline rates for Black students increase faster as the semester continues.

SourceUniversity of California - Berkeley·JournalProceedings of the National Academy of Sciences·DateApr 17, 2023
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.

A meta-analysis of hybrid-closed loop control-IQ technology

A new study evaluated the effect of hybrid-closed loop Control-IQ technology on time-in-range, mean glucose, hyperglycemia metrics, and HbA1c levels. The technology showed significant improvements, particularly in participants with poor baseline glycemic control.

SourceMary Ann Liebert, Inc./Genetic Engineering News·JournalDiabetes Technology & Therapeutics·TypeExperimental study·DateApr 17, 2023

ESMO Breast Cancer Congress 2023

The ESMO Breast Cancer Congress 2023 will feature presentations on the latest clinical data on breast cancer treatments, including new drugs and technologies such as antibody drug conjugates and checkpoint inhibitors. The congress will also explore personalized therapeutic approaches for better outcomes in triple-negative breast cancer.

SourceEuropean Society for Medical Oncology·DateApr 17, 2023

Brain images just got 64 million times sharper

Researchers at Duke University have successfully improved the resolution of Magnetic Resonance Imaging (MRI), capturing images of a mouse brain with unprecedented sharpness. The breakthrough allows for the visualization of microscopic details within the brain, enabling new insights into neurodegenerative diseases such as Alzheimer's an...

SourceDuke University·JournalProceedings of the National Academy of Sciences·TypeImaging analysis·DateApr 17, 2023

UCF researchers create digital map of sympathetic nervous system

A team of UCF College of Medicine researchers created a digital topographical map of the cardiac sympathetic neural network, controlling heart rate and 'fight-or-flight' response. The map will guide treatments like neuromodulation therapy for hypertension, sleep apnea, and heart failure.

SourceUniversity of Central Florida·JournalScientific Reports·TypeExperimental study·DateApr 17, 2023
Fluke 87V Industrial Digital Multimeter

Fluke 87V Industrial Digital Multimeter is a trusted meter for precise measurements during instrument integration, repairs, and field diagnostics.

Scientists create powerful, most-accurate tools to research deadliest blood cancer, study says

Researchers at The Mount Sinai Hospital have created versatile disease models of acute myeloid leukemia (AML), allowing for accurate study of the cancer's progression and response to drugs. These models, derived from induced pluripotent stem cells, can mimic different stages of AML and are nearly identical to those found in patients.

SourceThe Mount Sinai Hospital / Mount Sinai School of Medicine·JournalBlood Cancer Discovery·DateApr 17, 2023

Come health or high water

Researchers are studying the impact of climate change on basement pathogens, moisture, and air quality in urban environments, focusing on Black Americans in Pittsburgh. The study aims to document conditions and understand the link between weather events and cumulative health impacts for residents across the adult lifespan.

SourceUniversity of Pittsburgh·DateApr 17, 2023

Different cell types in the brain are affected by tick infection

A new study at Umeå University reveals that tick-borne encephalitis virus infects distinct brain cell types and regions depending on the immune system's activation status. The researchers mapped the virus's behavior in the brain, identifying specific areas and cells infected by TBE virus.

SourceUmea University·JournalNature Communications·TypeExperimental study·DateApr 17, 2023
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.

Effect of COVID-19 pandemic on mortality in people with intellectual disabilities extended beyond deaths from COVID itself

A recent study found that the COVID-19 pandemic significantly increased mortality rates among people with intellectual disabilities, with a disparity of five times higher than in the general population. This increase was not limited to COVID-19-related deaths but also affected other conditions such as cancer and mental health disorders.

SourceEuropean Society of Clinical Microbiology and Infectious Diseases·JournalThe Lancet Public Health·DateApr 16, 2023

New details of Tully monster revealed

Researchers use 3D imaging technology to study Tully monsters and reject vertebrate hypothesis, but uncertainty remains about its exact classification as an invertebrate chordate or protostome. The study sheds light on the challenges of piecing together Earth's evolutionary history and highlights the importance of Mazon Creek fossils.

SourceUniversity of Tokyo·JournalPalaeontology·TypeImaging analysis·DateApr 16, 2023

Crowdsourcing can help researchers assess efficacy of Parkinson’s treatment, research finds

Researchers found that crowdsourced listeners can accurately assess voice quality for people with Parkinson's disease, supporting the use of crowdsourcing to evaluate speech samples. The study replicated a previous finding that intensive voice and articulation therapies improve voice quality.

SourceNew York University·JournalJournal of Speech Language and Hearing Research·TypeExperimental study·DateApr 16, 2023
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.

Metagenomic sequencing outperforms conventional tests to identify antimicrobial resistance in bloodstream infections

Rapid metagenomics can provide accurate results within just 6 hours of knowing bacteria are growing in a blood sample, allowing for effective treatment 18-42 hours earlier than conventional laboratory tests. Metagenomic sequencing has the potential to save lives and better manage the use of antibiotics by rapidly identifying antimicrob...

SourceEuropean Society of Clinical Microbiology and Infectious Diseases·DateApr 16, 2023

A new breakthrough in Alzheimer disease research - visualizing reactive astrocyte-neuron interaction

Researchers developed a new imaging technique that visualizes the interaction between reactive astrocytes and neurons in the brain, revealing a potential breakthrough in Alzheimer's disease diagnosis and treatment. The study found that acetate promotes reactive astrogliosis, leading to dementia, and offers a new target for AD treatment.

SourceInstitute for Basic Science·JournalBrain·TypeExperimental study·DateApr 16, 2023

Keeping retail employees safe: new study measures customer aggression

A new tool has been developed to measure customer aggression in the retail sector, which can lead to emotional exhaustion and job stress among employees. The scale identifies four types of aggressive behaviors, including being ignored or having fake negative reviews posted online.

SourceQueensland University of Technology·JournalJournal of Retailing and Consumer Services·TypeSurvey·DateApr 16, 2023

SWOG S1512 trial sees high response rate to pembrolizumab in patients with unresectable desmoplastic melanoma

A recent clinical trial found that nearly 90% of patients with unresectable desmoplastic melanoma responded to treatment with pembrolizumab. The immunotherapy drug showed impressive results in both treatable and inoperable cases, suggesting a promising treatment option for this rare form of skin cancer.

SourceSWOG Cancer Research Network·TypeRandomized controlled/clinical trial·DateApr 16, 2023
Meta Quest 3 512GB

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