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Science News Archive 2023 - Page 289


Page 289 of 444
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.

Stowers Institute scientists discover the dynamics of an “extra” chromosome in fruit flies

Researchers at the Stowers Institute for Medical Research have revealed the dynamics of a new, young chromosome in fruit flies similar to those found in humans associated with treatment-resistant cancer and infertility. The B chromosomes are maintained by meiotic drive, enabling them to persist in a genome.

SourceStowers Institute for Medical Research·JournalCurrent Biology·TypeExperimental study·DateMay 4, 2023

"Resilience in dark times”: At-home yoga reduces anxiety, improves short-term memory

A virtual yoga program led by Sean Mullen reduced stress and anxiety in full-time working adults, improving short-term memory. The study used moderate-intensity yoga sequences to investigate its benefits for executive functioning and adherence to exercise programs.

SourceBeckman Institute for Advanced Science and Technology·JournalJournal of Behavioral Medicine·TypeRandomized controlled/clinical trial·DateMay 4, 2023

N and P co-doping catalysts synthesized in recent study

Researchers synthesized Co@NPC catalyst with N and P co-doping, demonstrating improved catalytic performance in hydrogenation reactions. The study revealed that P doping enhances selectivity for cinnamyl alcohol, while N doping affects catalytic activity.

SourceHefei Institutes of Physical Science, Chinese Academy of Sciences·JournalJournal of Catalysis·DateMay 4, 2023

Happy worms have healthy eggs

A new study found that selective serotonin reuptake inhibitors (SSRIs) improved the quality of aging females' egg cells in roundworms by reducing embryonic death and chromosomal abnormalities. Replication in fruit flies confirmed the findings, suggesting a shared signaling system between species.

SourceNorthwestern University·JournalDevelopmental Biology·DateMay 4, 2023
Apple iPhone 17 Pro

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

GlyNAC supplementation improves cognitive decline and brain health in aging

Researchers found that GlyNAC supplementation corrected brain glutathione deficiency, improved glucose transporters, reversed mitochondrial dysfunction, and improved cognition in old mice. The study also showed reductions in oxidative stress, inflammation, and genomic damage, as well as improvements in neurotrophic factors.

SourceBaylor College of Medicine·JournalAntioxidants·TypeExperimental study·DateMay 4, 2023

New guidance: antibiotics should be halted upon closure of incisions

Updated guidelines recommend discontinuing antibiotics immediately after a patient's incision is closed. Continuing antibiotics increases risk of C. difficile infection and antimicrobial resistance, but does not prevent surgical site infections.

SourceSociety for Healthcare Epidemiology of America·JournalInfection Control·TypeContent analysis·DateMay 4, 2023

Hubble follows shadow play around planet-forming disk

The Hubble Space Telescope has captured a second shadow sweeping across the face of TW Hydrae's vast pancake-shaped gas-and-dust disk, suggesting the presence of two planets in slightly different orbital planes. The disks are likely proxies for these planets, which could be lapping each other as they whirl around the star.

SourceNASA/Goddard Space Flight Center·JournalThe Astrophysical Journal·DateMay 4, 2023

Bones and muscles in the spotlight at IOF-ESCEO World Congress in Barcelona

The IOF-ESCEO World Congress on Osteoporosis, Osteoarthritis, and Musculoskeletal Diseases is the largest international scientific event devoted to musculoskeletal disorders. The congress presents new clinical advances and research on osteoporosis, osteoarthritis, sarcopenia, frailty, and rare skeletal disorders.

SourceInternational Osteoporosis Foundation·DateMay 4, 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.

Alzheimer’s: modulation of cell membrane influences formation of amyloid-β

A team of researchers led by Prof. Harald Steiner has found that modifying cell membrane properties can affect the production of amyloid-β protein in Alzheimer's disease. The study showed that adding long-chain fatty acids to membranes altered enzyme activity, leading to non-uniform effects on amyloid-β production.

SourceLudwig-Maximilians-Universität München·JournalJournal of Biological Chemistry·DateMay 4, 2023

A special omega-3 fatty acid lipid will change how we look at the developing and ageing brain, Duke-NUS researchers find

Researchers at Duke-NUS Medical School have identified a special transporter protein that regulates the formation of myelin sheaths in the brain, which protect nerves from damage. The study suggests that omega-3 fatty acid lipids play a crucial role in directing oligodendrocyte development, a process critical for brain myelination.

SourceDuke-NUS Medical School·JournalJournal of Clinical Investigation·DateMay 4, 2023

Mobile phone calls linked with increased risk of high blood pressure

Research published in European Heart Journal – Digital Health found a 12% increased risk of high blood pressure among mobile phone users who spent 30 minutes or more per week on calls. This association held true even after adjusting for other risk factors, suggesting that the duration of phone conversations may be a crucial factor.

SourceEuropean Society of Cardiology·JournalEuropean Heart Journal - Digital Health·DateMay 4, 2023

A calculator identifies a group of cancer patients with favorable prognosis

Researchers developed a calculator to identify patients with multiple myeloma and primary systemic amyloidosis who have a more benign profile, allowing for personalized treatment. The tool predicts survival based on clinical-biological characteristics and has been validated in international series.

SourceCentro de Investigación Médica Aplicada (CIMA) Universidad de Navarra·JournalJournal of Clinical Oncology·TypeMeta-analysis·DateMay 4, 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.

Genetic sequencing of sea turtles can help understand disease that threatens species

Researchers have sequenced the genomes of Leatherback and Green sea turtles, revealing similarities in their immune systems and evolution. The study provides clues for understanding fibropapillomatosis, a cancer affecting these species, and informs conservation efforts.

SourceFundação de Amparo à Pesquisa do Estado de São Paulo·JournalProceedings of the National Academy of Sciences·DateMay 4, 2023

Vanishing glaciers threaten alpine biodiversity

Researchers warn that climate change will lead to the loss of habitats for invertebrates in the European Alps, with many species forced to seek refuge in colder areas. The study predicts that by the end of the century, most species will have experienced consistent losses of habitat.

SourceUniversity of Leeds·JournalNature Ecology & Evolution·TypeData/statistical analysis·DateMay 4, 2023

Recycled gas feeds a massive galaxy in the early Universe

Scientists observe streams of intergalactic gas enriched with elements heavier than helium surrounding a massive galaxy. The findings suggest that the gas was recycled during earlier periods of star formation and is now fueling the galaxy's rapid growth.

SourceAmerican Association for the Advancement of Science (AAAS)·JournalScience·DateMay 4, 2023
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.

Engineering molecular interactions with machine learning

Researchers at EPFL have computationally designed novel protein binders that attach seamlessly to key targets, including the SARS-CoV-2 spike protein, using deep learning-generated 'fingerprints' to characterize millions of protein fragments. This method demonstrates therapeutic potential for rapidly designing protein-based therapeutics.

SourceEcole Polytechnique Fédérale de Lausanne·JournalNature·TypeComputational simulation/modeling·DateMay 4, 2023

Gamma delta T cells can fight aggressive breast cancer

Researchers discovered that gamma delta T cells can effectively combat triple-negative breast cancer by targeting stress-induced molecules and phosphoantigens. Counteracting metabolic changes with zolendronate makes immunotherapy more efficient.

SourceUniversity of Freiburg·JournalCancer Immunology Research·DateMay 4, 2023

Research reveals longstanding cultural continuity at oldest occupied site in West Africa

A study from the Max Planck Institute of Geoanthropology found technological continuity spanning 140,000 years at Bargny 1 site in Senegal, suggesting Middle Stone Age toolkits persisted longer than thought. The research highlights long-term cultural stability in West Africa's diverse habitats.

SourceMax Planck Institute of Geoanthropology·JournalNature Ecology & Evolution·TypeObservational study·DateMay 4, 2023

Cellular traffic controllers caught managing flow of signals from receptors

Researchers have observed beta-arrestin molecules directly controlling receptor-mediated signals in living cells using advanced microscopy. The study reveals a new mechanism of how these proteins interact with receptors on the plasma membrane, enabling efficient control of signal flow and desensitization.

SourceUniversity of Birmingham·JournalCell·TypeImaging analysis·DateMay 4, 2023
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.

Nitrogen addition and mowing alter drought resistance and recovery of grassland communities

A five-year field experiment found that nitrogen addition increases biomass recovery but decreases structural recovery after drought, while annual mowing improves both biomass and structural recovery. The study highlights the importance of dominant species and plant functional groups in determining grassland stability under drought.

SourceScience China Press·JournalScience China Life Sciences·DateMay 4, 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.

Radiation damage simulation software developed for defect accumulation mechanisms study in polycrystalline materials

Researchers developed a new simulation software to study defect accumulation mechanisms in polycrystalline metals. The software clarifies the dependence of vacancy accumulation on grain boundary character and grain size, revealing new interaction processes and their coupling.

SourceHefei Institutes of Physical Science, Chinese Academy of Sciences·JournalJournal of Nuclear Materials·DateMay 4, 2023

UMD leads new $20M NSF Institute for Trustworthy AI in Law and Society

The UMD-led TRAILS institute will develop AI technologies that promote trust and mitigate risks through broader participation, new technology development, and informed governance. The institute aims to create AI systems that align with values and interests of diverse groups, leading to increased transparency, reliability, and accountab...

SourceUniversity of Maryland·DateMay 4, 2023

Researchers develop manual for engineering spin dynamics in nanomagnets

A comprehensive manual has been developed to engineer spin dynamics in nanomagnets, revealing mechanisms behind magnon interactions. The rules formulated by the researchers can help debug and design nanomagnet devices for next-generation computation technologies.

SourceUniversity of California - Riverside·JournalPhysical Review Applied·TypeContent analysis·DateMay 4, 2023
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.

Altruism can make job seekers afraid to negotiate salary

A new study found that job candidates who are exposed to social impact framing tend to refrain from negotiating for higher salaries due to feelings of discomfort. The researchers suggest that managers should be aware of this phenomenon and create greater transparency about company norms and values regarding compensation.

SourceUniversity of Texas at Austin·JournalOrganization Science·TypeExperimental study·DateMay 4, 2023

In first in-utero brain surgery, doctors eliminated symptoms of dangerous condition

Researchers successfully performed the first in-utero surgery to repair a potentially deadly developmental condition called vein of Galen malformation. The procedure involved treating an aggressive vascular malformation before birth, resulting in improved cardiac output and no signs of negative effects on the brain after birth.

SourceAmerican Heart Association·JournalStroke·DateMay 4, 2023

Braided current collectors

Researchers at Fudan University have developed braided current collectors that increase the energy density of fiber lithium-ion batteries. The new design improves ion transport within the electrode, increasing charge density and reducing obstruction to lithium ion transport.

SourceWiley·JournalAngewandte Chemie International Edition·TypeExperimental study·DateMay 4, 2023

Indigenous people in South America are twice as likely to die from wildfires

A new study reveals that Indigenous people in the Amazon Basin are twice as likely to die prematurely from smoke exposure due to wildfires than the broader South American population. Exposure to harmful smoke particles is highest during the dry season, and mortality rates can be up to 6 times that of the general population.

SourceIOP Publishing·JournalEnvironmental Research Health·DateMay 4, 2023
Celestron NexStar 8SE Computerized Telescope

Celestron NexStar 8SE Computerized Telescope combines portable Schmidt-Cassegrain optics with GoTo pointing for outreach nights and field campaigns.

Biofortification of microgreens with zinc could mitigate global ‘hidden hunger’

Researchers at Penn State have developed a method to biofortify microgreens with zinc, which can increase their nutritional value and potentially address 'hidden hunger.' The study found that seeds soaked in a 200 parts per million solution of zinc sulfate resulted in higher zinc accumulation in pea and sunflower microgreens.

SourcePenn State·JournalFrontiers in Plant Science·TypeExperimental study·DateMay 4, 2023

The future of data storage lies in DNA microcapsules

The new PCR technique enables scalable DNA data storage, making large, energy-guzzling data centers obsolete. The technology stores data in compact, long-lasting DNA files that can be easily searched and retrieved using fluorescent labels.

SourceEindhoven University of Technology·JournalNature Nanotechnology·DateMay 4, 2023

EIC Center at Jefferson Lab announces six Research Fellowship Awards

The EIC Center at Jefferson Lab has announced six new research fellowships to advance the science program of the Electron-Ion Collider (EIC). This year's awardees will work on various topics, including the development of instruments and experiments to maximize the potential of the EIC.

SourceDOE/Thomas Jefferson National Accelerator Facility·DateMay 4, 2023

Novel faraday rotation spectroscopy sensor enables simultaneous two-component detection of nitrogen oxides

A new FRS sensor enables simultaneous two-component detection of nitrogen oxides, addressing slow measurement rates and lack of selectivity in traditional methods. The sensor achieves high detection sensitivity using wavelength modulation spectroscopy and a static magnetic field.

SourceHefei Institutes of Physical Science, Chinese Academy of Sciences·JournalSensors and Actuators B Chemical·DateMay 4, 2023

Potency drug reduced long-term blood sugar in type 2 diabetes

A pilot study found that high-dose tadalafil improved metabolic control and reduced hemoglobin A1c levels by 2.50 mmol/mol in patients with well-controlled type 2 diabetes. The treatment also showed increased blood flow, liver values, and metabolism.

SourceUniversity of Gothenburg·JournalEClinicalMedicine·TypeRandomized controlled/clinical trial·DateMay 4, 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.

Team led by Columbia University wins $20M NSF grant to develop AI Institute for Artificial and Natural Intelligence

The National Science Foundation has awarded Columbia University a $20 million grant to establish the AI Institute for Artificial and Natural Intelligence (ARNI), an interdisciplinary center focused on connecting AI systems to brain research. ARNI will bring together top researchers from across the U.S. to advance neuroscience, cognitiv...

SourceColumbia University School of Engineering and Applied Science·DateMay 4, 2023
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.

`Space waves' offer new clues to space weather, Embry-Riddle researchers report

Embry-Riddle researchers have discovered that seasonal and daily variations in the Earth's magnetic tilt can trigger changes in large-wavelength space waves, known as Kelvin-Helmholtz waves. These waves occur at the boundary between the solar wind and the Earth's magnetic shield, affecting astronaut safety and satellite communications.

SourceEmbry-Riddle Aeronautical University·JournalNature Communications·TypeComputational simulation/modeling·DateMay 4, 2023

Neutron star’s X-rays reveal ‘photon metamorphosis’

A Cornell astrophysicist explains how the Imaging X-ray Polarimetry Explorer (IXPE) satellite detected polarized X-rays from a magnetar, revealing 'photon metamorphosis' – a transformation of X-ray photons. The phenomenon is a natural consequence of quantum electrodynamics under strong magnetic field conditions.

SourceCornell University·JournalProceedings of the National Academy of Sciences·DateMay 4, 2023

Seizure discoveries advance efforts to develop better treatments

Researchers at UVA Health System have made a breakthrough discovery about the role of microglia in seizure disorders. The study suggests that enhancing microglial activity could be a promising approach to preventing and managing seizures, offering new hope for patients who don't respond to existing treatments.

SourceUniversity of Virginia Health System·JournalGlia·DateMay 4, 2023
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.

Pheromone deters swarming migratory locusts from cannibalism

Researchers discovered a chemical defense mechanism in migratory locusts that deters cannibalism, reducing the formation of destructive swarms. The pheromone PAN protects individuals from being eaten by other locusts when population density increases.

SourceAmerican Association for the Advancement of Science (AAAS)·JournalScience·DateMay 4, 2023

Converging ocean currents bring floating life and garbage together

A community science survey reveals an abundance of floating sea creatures in the North Pacific Garbage Patch, including jellyfish, snails, and crustaceans. The study found a positive correlation between plastic waste and three groups of sea creatures, highlighting the complex relationships within this ecosystem.

SourcePLOS·JournalPLOS Biology·TypeObservational study·DateMay 4, 2023

Criteria for selecting who can enroll in multiple myeloma clinical trials may exclude patients from racial and ethnic minorities

A study found that clinical trial eligibility criteria may be a barrier to enrollment of patients from underrepresented racial and ethnic groups. Black patients were most likely to be deemed ineligible due to blood cell counts or lack of prior treatments, while Asian patients had the lowest rate of ineligibility.

SourceAmerican Society of Hematology·JournalBlood·DateMay 4, 2023

University of Toronto researchers use generative AI to design novel proteins

Researchers have developed a system that uses generative diffusion to create new proteins, advancing the field of generative biology. The system, called ProteinSGM, learns from image representations to generate fully new proteins, which are biophysically real and functional.

SourceUniversity of Toronto·JournalNature Computational Science·TypeComputational simulation/modeling·DateMay 4, 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.

Study presents new clues about the rise of earth’s continents

A study from Smithsonian researchers deepens understanding of Earth's crust by testing and eliminating the garnet hypothesis about why continental crust is lower in iron and more oxidized. The findings suggest that intense heat and pressure cannot produce the necessary conditions for garnet formation, contradicting a popular explanation.

SourceSmithsonian·JournalScience·TypeExperimental study·DateMay 4, 2023

Scientists “revive” Stone Age molecules

Researchers reconstruct bacterial genomes of Ice Age microorganisms, reviving ancient natural products and discovering new chemical diversity. The team uses synthetic molecular biotechnology to produce chemicals encoded by ancient genes, unlocking the secrets of Earth's past microbes.

SourceLeibniz Institute for Natural Product Research and Infection Biology - Hans Knöll Institute -·JournalScience·TypeExperimental study·DateMay 4, 2023
AmScope B120C-5M Compound Microscope

AmScope B120C-5M Compound Microscope supports teaching labs and QA checks with LED illumination, mechanical stage, and included 5MP camera.