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Science News Archive 2023 - Page 276


Page 276 of 444
Apple iPhone 17 Pro

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

Dementia study reveals how toxic proteins spread through brain

Researchers have discovered that toxic proteins, known as tau oligomers, are transported through synapses and contribute to the decline in brain function. The study found small clumps of tau oligomers inside synapses, which can spread through the brain and lead to neuron death.

SourceUniversity of Edinburgh·JournalNeuron·TypeObservational study·DateMay 15, 2023

Most species, including humans, who experience early life adversity suffer as adults. How are gorillas different?

A recent study found that gorillas who survived past age 6 were largely unaffected by difficulties they encountered as infants or juveniles. In contrast, young gorillas who experienced multiple forms of early life adversity had a 70% reduction in the risk of death across adulthood. This suggests that gorillas may have a different biolo...

SourceUniversity of Michigan·JournalCurrent Biology·DateMay 15, 2023

A passage of light leading to a path for a solution

A team of researchers successfully controlled 'trions,' a breakthrough toward developing revolutionary optical communication technology. They used a nanoscale plasmonic waveguide to create high-purity trions, which offer advantages over excitons in practical device applications.

SourcePohang University of Science & Technology (POSTECH)·JournalNature Communications·DateMay 15, 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.

Out of this world control on Ice Age cycles

A research team used an improved climate computer model to reproduce the glacial cycle of 40,000-year in the early Pleistocene Epoch. The study found that astronomical forces based on modern state-of-the-art theory drove changes in climate, with small differences in Earth's spin axis orientation and orbit amplitude determining the glac...

SourceNational Institutes of Natural Sciences·JournalCommunications Earth & Environment·TypeComputational simulation/modeling·DateMay 15, 2023

Mortality and cost of severe acute pancreatitis keeps pressure on hospitals

A new study by Flinders University highlights the need for targeted clinical research to reduce prolonged hospital stays and mortality rates in patients with severe acute pancreatitis. Despite improvements in survival rates, the disease remains a major concern, particularly in high-income countries.

SourceFlinders University·TypeData/statistical analysis·DateMay 15, 2023

Monkeypox viruses relatively stable on surfaces

Researchers found that monkeypox viruses remain infectious for a long time on surfaces, with some concentrations dropping significantly after five days. Disinfectants like alcohol-based and aldehyde-based cleaners reliably reduced the risk of infection.

SourceRuhr-University Bochum·JournalThe Journal of Infectious Diseases·TypeExperimental study·DateMay 15, 2023

When to withdraw care in severe traumatic brain injury

A survey of over 40 experts found that many panelists infrequently use prognostic calculators and feel that improving consensus on acceptable neurological outcomes would be beneficial. Most panelists believed that a vegetative state or lower severe disability could justify withdrawing care.

SourceMary Ann Liebert, Inc./Genetic Engineering News·JournalJournal of Neurotrauma·TypeSurvey·DateMay 15, 2023

The number of the world's farms to halve by 2100, study shows

A study published in Nature Sustainability predicts the number of farms worldwide will drop from 616 million in 2020 to 272 million in 2100. This decline is linked to a doubling in farm size as people migrate to urban areas, threatening biodiversity and food supply.

SourceUniversity of Colorado at Boulder·JournalNature Sustainability·TypeData/statistical analysis·DateMay 15, 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.

First-in-human trial of oral drug to remove radioactive contamination begins

A Phase 1 clinical trial has started to test the safety and tolerability of an experimental oral drug called HOPO 14-1 in healthy adults. The study aims to determine how the drug removes radioactive contaminants from the body, which can occur after nuclear accidents or exposure to dirty bombs.

SourceNIH/National Institute of Allergy and Infectious Diseases·DateMay 15, 2023

Trace analysis of blood samples

A novel fluorescence probe successfully quantifies trace components like hydrogen sulfide in whole blood, overcoming autofluorescence interference. The probe uses a borodipyrromethene-based dye that quenches the interfering light, allowing for accurate measurements.

SourceWiley·JournalAngewandte Chemie International Edition·TypeExperimental study·DateMay 15, 2023

IU researchers find link between obesity and blood cancer

Researchers at Indiana University School of Medicine discovered a strong association between obesity and clonal hematopoiesis of indeterminate potential (CHIP), a blood condition that increases the risk of blood cancer. The study found that obesity causes inflammation, which can lead to rapid growth of mutated blood cells.

SourceIndiana University School of Medicine·JournalJournal of Clinical Investigation·DateMay 15, 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.

Astronomers discover first extrasolar radiation belt

Scientists have discovered the first-ever extrasolar radiation belt, orbiting the brown dwarf LSR J1835+3259. The discovery reveals that this magnetic structure is filled with extremely high-energy electrons and charged particles, sparking new questions about the universality of such phenomena.

SourceArizona State University·JournalNature·TypeImaging analysis·DateMay 15, 2023

A new family of intercalation-type Li-free cathodes for all solid-state batteries with energy density of 554.3 Wh Kg−1

Researchers have designed a new intercalation-type Li-free cathode that achieves an energy density of >550 Wh kg−1, surpassing existing Li-free transition-metal-based electrodes. This breakthrough offers a solution to address energy density limitations and raw material availability concerns in all-solid-state batteries.

SourceScience China Press·JournalNational Science Review·DateMay 15, 2023

Chipps appointed to federal Nuclear Science Advisory Committee

Kelly Chipps, a nuclear astrophysicist at Oak Ridge National Laboratory, has been appointed to the Nuclear Science Advisory Committee. The committee provides official advice to DOE and NSF on issues relating to basic nuclear science research. Chipps brings extensive expertise in nuclear physics and leadership experience to this role.

SourceDOE/Oak Ridge National Laboratory·DateMay 15, 2023

Can’t find your phone? There’s a robot for that

Researchers at the University of Waterloo have developed a robot system that uses artificial intelligence to track objects, including medication and glasses. This technology has shown high accuracy in locating everyday items, potentially improving the quality of life for individuals with dementia.

SourceUniversity of Waterloo·DateMay 15, 2023

Chemists unravel reaction mechanism for clean energy catalyst

Researchers at Brookhaven Lab used pulse radiolysis to study a key class of water-splitting catalysts, revealing the direct involvement of ligands in the reaction mechanism. The team discovered that a hydride group jumped onto the Cp* ligand, proving its active role in the process.

SourceDOE/Brookhaven National Laboratory·JournalProceedings of the National Academy of Sciences·DateMay 15, 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.

Simulation provides images from the carbon nucleus

Researchers simulated all known energy states of the carbon nucleus, providing insights into the puzzling Hoyle state and its configuration. The study reveals that protons and neutrons are clustered into groups, creating spatial formations with distinct shapes and energies.

SourceUniversity of Bonn·JournalNature Communications·TypeComputational simulation/modeling·DateMay 15, 2023

CAR-NKT cell therapy shows promising results against neuroblastoma in phase 1 clinical trial

Researchers at Baylor College of Medicine report well-tolerated CAR-NKT cell therapy with strong antitumor activity in patients with stage 4 relapsed neuroblastoma. The treatment, which targets a molecule found on the surface of neuroblastoma cells, showed encouraging results in three patients with complete and partial responses.

SourceBaylor College of Medicine·JournalNature Medicine·DateMay 15, 2023

UArizona Health Sciences researchers unlocking new answers in the quest for safer, more effective opioid therapy

Researchers at the University of Arizona Health Sciences have discovered a way to enhance pain relief with opioids while reducing side effects. By inhibiting heat shock protein 90, they found that AMPK can block or reduce pain relief by opioids, providing a new pathway for improved therapy.

SourceUniversity of Arizona Health Sciences·JournalScience Signaling·TypeExperimental study·DateMay 15, 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.

Communities of color disproportionately exposed to PFAS pollution in drinking water

A new study links disproportionate siting of PFAS sources near watersheds serving communities with higher proportions of Black and Hispanic/Latino residents. The research suggests that regulating PFAS releases and ensuring safe drinking water is crucial in protecting public health, particularly in vulnerable communities.

SourceHarvard T.H. Chan School of Public Health·JournalEnvironmental Science & Technology·TypeObservational study·DateMay 15, 2023

EPA's new PFAS rules don’t account for major source of drinking water contamination

A Harvard study reveals unmonitored PFAS build-up and last for centuries at military sites, contaminating groundwater supplies. The lack of regulation on precursor compounds poses significant risks to human health, emphasizing the need for effective remediation technologies.

SourceHarvard John A. Paulson School of Engineering and Applied Sciences·JournalEnvironmental Science & Technology·TypeObservational study·DateMay 15, 2023

A new workflow to standardize fossil pollen datasets for ecological research

A new guide has been created to standardize fossil pollen datasets, enabling researchers to compile and analyze large-scale syntheses of palaeoecological data. The FOSSILPOL workflow and R-package provide a step-by-step process for handling data preparation, ensuring good data quality and minimizing erroneous interpretations.

SourceThe University of Bergen·JournalGlobal Ecology and Biogeography·DateMay 15, 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.

Apochromatic X-ray focusing

Researchers developed apochromatic X-ray lenses with sub-micrometer accuracy, achieving focus over an X-ray energy range from 7 to 12 keV. The technology holds promise for laboratory and accelerator-based applications in materials science, energy sciences, and biology.

SourceLight Publishing Center, Changchun Institute of Optics, Fine Mechanics And Physics, CAS·JournalLight Science & Applications·DateMay 15, 2023

‘A smarter kinder approach to treatment’ for anal cancer

A recent clinical trial, PLATO, demonstrated that lowering the dose and duration of radiotherapy treatments for anal cancer reduces side effects without compromising cancer cure rates. The treatment involves intensity modulated radiotherapy (IMRT), which allows for personalized doses to be applied to visible tumors.

SourceUniversity of Leeds·TypeRandomized controlled/clinical trial·DateMay 15, 2023

Melts in the light, not in your hand: novel crystal compound melts under ultraviolet light

Researchers from Osaka University discovered a novel material that transitions from a crystal to a liquid when exposed to ultraviolet irradiation, enabling a detailed understanding of the crystal-melting process. The material exhibits changes in luminescence during melting, indicating molecular-level changes in shape.

SourceOsaka University·JournalChemical Science·TypeExperimental study·DateMay 15, 2023

Automated agricultural machinery requires new approaches to ensuring safety

Researchers identified three main topics: environmental perception, risk assessment and mitigation, and human factors and ergonomics in automated agricultural machines. The study highlights the need for improved sensors and safety standards to address the challenges posed by dynamic environments.

SourceUniversity of Illinois College of Agricultural, Consumer and Environmental Sciences·JournalSafety·TypeLiterature review·DateMay 15, 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.

Paper-based packaging has a good eco-image

A study by the University of Bonn found that paper-based packaging received significantly better environmental scores than bioplastics, but respondents were skeptical about its practicality. Meanwhile, conventional plastic packaging scored worst on eco-friendliness.

SourceUniversity of Bonn·JournalFood Quality and Preference·TypeSurvey·DateMay 15, 2023

Tetris reveals how people respond to unfair AI

A Cornell University-led study using the Tetris game found that players who receive fewer turns perceive their partner as less likable, regardless of whether a human or AI allocates the turns. The researchers also discovered that machine allocation behavior can lead to worse performance and gameplay when fairness is not guaranteed.

SourceCornell University·JournalComputers in Human Behavior·DateMay 15, 2023

Superconductivity with Tc as high as 32 K was found in borides

Researchers at ShanghaiTech University and Renmin University of China discovered superconductivity up to 32 K in MoB2 under pressure, exceeding previous records. The findings highlight the role of transitional metals in borides' superconductivity and pave the way for exploring high-Tc superconductors.

SourceScience China Press·JournalNational Science Review·DateMay 15, 2023

Crushed clams, roaming rays: acoustic tags reveal predator interactions

A longitudinal study using acoustic telemetry monitored rays in clam leases, finding that rays spent more time near sites than reported, but not necessarily preferring them. The study highlights the need to understand if clam leases are part of rays' natural foraging habitats and if they interact with the clams.

SourceFlorida Atlantic University·JournalPLOS ONE·TypeObservational study·DateMay 15, 2023
Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C)

Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C) keeps Macs, tablets, and meters powered during extended observing runs and remote surveys.

Tiny proteins found across the animal kingdom play a key role in cancer spread

Researchers at McGill University discovered that phosphatases of regenerating liver (PRLs) are overexpressed in some cancers, making cells more metastatic and driving disease progression. The study sheds light on PRLs' role in binding magnesium transporters, a common pathway among all studied species.

SourceMcGill University·JournalJournal of Biological Chemistry·DateMay 15, 2023

New algorithm can predict diabetic kidney disease

Researchers developed a computational approach to predict diabetic kidney disease using DNA methylation markers from a blood sample. The model can use this information to assess current and future kidney function, enabling early detection and prevention of kidney disease in people with type 2 diabetes.

SourceSanford Burnham Prebys·JournalNature Communications·DateMay 15, 2023

From theory to experiment, multi-site turbulence observation is no longer limited by the assumptions of steady-state turbulence, horizontal uniform turbulence flux and constant flux layer

Researchers have developed a method to analyze regional turbulence structure and estimate turbulence spectra using long time series data from four-site observations. This approach overcomes previous assumptions of steady-state turbulence, horizontal uniform turbulence flux, and constant flux layer, providing more representative results.

SourceScience China Press·JournalScience China Earth Sciences·DateMay 15, 2023

Smartphone use goes up in city parks, but down in forests

A study of 700 participants found that time outdoors doesn't always reduce smartphone screentime. However, visits to nature reserves or forests saw significant declines in screentime compared to urban locations. Participants who visited wilder areas spent more time disconnected from their smartphones and regained attention.

SourceUniversity of Vermont·JournalEnvironment and Behavior·TypeObservational study·DateMay 15, 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.

Coastal lights trick coral reefs into spawning earlier than they should

A new study found that coastal light pollution causes corals to spawn one to three days closer to the full moon, reducing the likelihood of fertilized eggs surviving and producing new adult corals. This disrupts the natural spawning cycle, which is critical for reef recovery after mass bleaching events.

SourceUniversity of Plymouth·JournalNature Communications·TypeLiterature review·DateMay 15, 2023

Socio-economic development on the West African coast is a key factor for increasing flood risks

A recent study finds that socio-economic development is a key driver of increasing flood risks in West African coastal regions, surpassing the impact of rising sea levels. The research highlights the need for regional coordination to address this issue through conservation and reforms to socio-economic development.

SourceInstitut de recherche pour le développement·JournalCommunications Earth & Environment·TypeObservational study·DateMay 15, 2023

Great inequality in international athletics

Athletes from less affluent countries face significant barriers in preventing injuries due to lack of health education and medical expertise. A new study reveals stark inequalities in support resources between international competitors.

SourceLinköping University·JournalBritish Journal of Sports Medicine·DateMay 15, 2023

NIH renews training grant for $3.9 million

The T32 program has trained 110 fellows in research on aging over the past 25 years, leading to faculty positions, biotech jobs, and scientific publications in top journals. The grant renewal highlights the program's success in increasing human healthspan and its impact on the Bay Area aging community.

SourceBuck Institute for Research on Aging·DateMay 15, 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.

Mass General Brigham investigators identify new genetic variant protective against Alzheimer's disease

Researchers discovered a new genetic variant in the Reelin gene that provides protection from Alzheimer's disease. The variant was identified through clinical assessments, genetic and molecular studies, and neuropathological analysis of two patients with a similar genetic predisposition to developing early-onset Alzheimer's disease.

SourceMass General Brigham·JournalNature Medicine·TypeExperimental study·DateMay 15, 2023

Managing menopause: Hormone therapy is back

Menopausal hormone therapy is recommended as a first-line treatment for women without risk factors, offering relief from hot flashes and other symptoms. Non-hormonal therapies can also help alleviate symptoms in those with risk factors or preferring alternative options.

SourceCanadian Medical Association Journal·JournalCanadian Medical Association Journal·TypeLiterature review·DateMay 15, 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.

Astronomers observe the first radiation belt seen outside of our solar system

Researchers have imaged a double-lobed structure resembling Jupiter's radiation belts around an ultracool dwarf, revealing the presence of high-energy electrons trapped in its magnetic field. This discovery provides a new method for assessing the shapes of magnetic fields on brown dwarfs and exoplanets.

SourceUniversity of California - Santa Cruz·JournalNature·DateMay 15, 2023

New study finds the placenta, not only the brain, plays a central role in genetic risk of schizophrenia

A new study found that over 100 genes linked to schizophrenia risk are associated with the placenta, not just the brain. This could lead to new prevention strategies targeting placenta biology, allowing for early interventions and potentially changing the course of developmental disorders.

SourceLieber Institute for Brain Development·JournalNature Communications·TypeRandomized controlled/clinical trial·DateMay 15, 2023

Understanding crop pest evolution may boost biocontrol

Scientists have discovered an ancestral olfactory receptor in the Egyptian cotton leafworm that recognizes the female sex pheromone blend. This finding may lead to the development of new biocontrol methods by targeting specific receptors and blocking pheromone activation.

SourceINRAE - National Research Institute for Agriculture, Food and Environment·JournalProceedings of the National Academy of Sciences·DateMay 15, 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.