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Science News Archive April 2023 - Page 5


Page 5 of 37

Three US regions hit the hardest by deaths of despair since 2010

A new study found six suicide clusters, four overdose clusters and nine alcohol-related liver disease clusters in the US west, southeast and Appalachia/rust belt. These co-occurring clusters suggest specific regions at increased risk for deaths of despair warranting public health intervention.

SourceElsevier·JournalAmerican Journal of Preventive Medicine·TypeData/statistical analysis·DateApr 26, 2023
Apple iPhone 17 Pro

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

Telephone-based health coaching did not affect postpartum weight gain

A recent study found that telephone-based health coaching intervention was ineffective in reducing postpartum weight gain among low-income, Latina individuals. Despite this, the intervention was well-received and potentially beneficial for those who spoke English or perceived a high diabetes risk.

SourceBoston University School of Medicine·JournalAmerican Journal of Preventive Medicine·TypeSurvey·DateApr 26, 2023

Air-breathing cathode enhances energy conversion efficiency and durability of alkaline nickel-zinc batteries

Researchers at Dalian Institute of Chemical Physics have developed an air-breathing cathode for alkaline nickel-zinc batteries, improving cycling stability and energy efficiency. The novel battery exhibits ultra-long lifespan and high energy efficiency, surpassing conventional Ni-Zn batteries.

SourceDalian Institute of Chemical Physics, Chinese Academy Sciences·JournalAngewandte Chemie International Edition·TypeCommentary/editorial·DateApr 26, 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.

The antipsychotic clozapine linked to significantly less insomnia in people with schizophrenia

A new meta-analysis found that clozapine is associated with decreased insomnia and a lower risk of suicide in patients with schizophrenia. The study suggests that clozapine's ability to improve sleep quality may be linked to its reduced suicide risk, and highlights the importance of assessing and treating insomnia in these patients.

SourceMedical College of Georgia at Augusta University·JournalSchizophrenia Research·DateApr 26, 2023

Will the improvement of technical environment help promote the adoption of organic fertilizer and biopesticides among farmers?

A recent study in Heilongjiang Province, China found a significant positive correlation between farmers' adoption of organic fertilizer and biopesticides. The technical environment played a crucial role in promoting their adoption, with factors such as training, accessibility, and information exchange increasing the likelihood of adopt...

SourceHigher Education Press·TypeExperimental study·DateApr 26, 2023

Hair relaxer use may affect ability to conceive

A new study published in the American Journal of Epidemiology found that chemical hair straighteners may affect a person's ability to become pregnant. Black and Hispanic individuals were more likely than other racial and ethnic groups to use these products, leading to a slight reduction in fertility rates.

SourceBoston University School of Public Health·JournalAmerican Journal of Epidemiology·TypeObservational study·DateApr 26, 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.

First direct image of a black hole expelling a powerful jet

Astronomers have observed for the first time the shadow of a black hole and the powerful jet expelled from it in the same image. The new image shows how the base of the jet connects with the matter swirling around a supermassive black hole, allowing scientists to better understand how black holes create energetic jets.

SourceESO·JournalNature·DateApr 26, 2023

How to increase the chance of survival in older patients with head and neck cancer

An international study of 1,044 patients with head and neck squamous cell carcinoma found that combining radiotherapy with chemotherapy significantly improves survival rates compared to radiotherapy alone. The benefit was particularly notable in patients between 65-79 years old with good general health.

SourceUniversität Leipzig·JournalJAMA Network Open·TypeRandomized controlled/clinical trial·DateApr 26, 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.

Dynamic 3D structure extraction from HS-AFM images

Computational modeling and simulations allow for reconstruction of 3D conformations with atomistic resolution from topographic resolution-limited AFM images. This enables automated recognition of biomolecular shape changes and feature assignment, including amino acid residue identification on the molecular surface.

SourceKanazawa University·JournalCurrent Opinion in Structural Biology·DateApr 26, 2023

Automated soybean seed counting: Ppgrading existing methods for improved accuracy

Researchers from Japan developed an improved model, P2PNet-Soy, which accurately counts the number of soybean seeds with high accuracy. The new model uses atrous convolution and spatial-channel attention mechanisms to differentiate seeds from backgrounds.

SourceNanjing Agricultural University The Academy of Science·JournalPlant Phenomics·TypeComputational simulation/modeling·DateApr 26, 2023

Tunneling electrons

Physicists at FAU have successfully measured and controlled electron release from metals in the attosecond range using a special strategy. This achievement could lead to new quantum-mechanical insights and enable electronic circuits that are a million times faster than current technology.

SourceFriedrich-Alexander-Universität Erlangen-Nürnberg·JournalNature·TypeExperimental study·DateApr 26, 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.

Tree diversity increases carbon storage, soil fertility in forests

A University of Alberta study finds that maintaining tree diversity in Canada's forests can significantly increase carbon capture and improve soil fertility. This conservation strategy can help mitigate climate change by storing more carbon and nitrogen in the soil over decadal time scales.

SourceUniversity of Alberta·JournalNature·DateApr 26, 2023

HKU Dentistry develops core technologies using generative AI in smart manufacturing of dental crowns

Researchers at HKU developed a novel smart manufacturing method for dental crowns using generative AI, producing personalised crowns with high accuracy that mimic natural teeth. The 3D-DCGAN algorithm improves the quality of design through internal competition between a generator and a discriminator.

SourceThe University of Hong Kong·JournalDental Materials·TypeExperimental study·DateApr 26, 2023

Recent study on how to get people to share a corporate post

A recent study by Sara Valentini and colleagues at Bocconi University found that consistency between online content and the values associated with a brand increases rebroadcasting frequency. Posts containing price promotions also perform well when aligned with the brand's identity, with followers being 109% more likely to share them.

SourceBocconi University·JournalJournal of Interactive Marketing·DateApr 26, 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.

Solving the mystery behind how nutrients enter cells

Researchers have identified FLVCR1 as a plasma membrane choline transporter in mammals, which could lead to treatments for diseases such as posterior column ataxia with retinitis pigmentosa and neurodegeneration. The discovery was made using an integrative genetic analysis approach that linked specific metabolites to transport proteins.

SourceRockefeller University·JournalCell Metabolism·DateApr 26, 2023

Degrading viral RNA to treat SARS-CoV-2 infection

Scientists have created a system that directly targets and degrades the SARS-CoV-2 viral RNA genome, reducing infection in mice. This method could be adapted to fight off many viruses and treat various diseases.

SourceAmerican Chemical Society·JournalACS Central Science·DateApr 26, 2023
Creality K1 Max 3D Printer

Creality K1 Max 3D Printer rapidly prototypes brackets, adapters, and fixtures for instruments and classroom demonstrations at large build volume.

Going for gold: Nanotech design opens door to new cancer treatments

Researchers at Stevens Institute of Technology have developed a drug delivery system using gold nanoparticles to target tumors with remarkable precision. The system reduces the potential for debilitating side effects by delivering drugs selectively to tumors, allowing for lower quantities and potentially life-saving treatments.

SourceStevens Institute of Technology·JournalACS Applied Materials & Interfaces·TypeExperimental study·DateApr 26, 2023

Neuronal activity shapes the development of astrocytes

Researchers at Baylor College of Medicine found that neuronal activity is necessary and sufficient for astrocyte development into a bushy-shaped cell. The team discovered that neurons produce GABA, which binds to astrocytes via the GABA B receptor, promoting their maturation.

SourceBaylor College of Medicine·JournalNature·TypeExperimental study·DateApr 26, 2023

Carnegie Mellon research aims to revive office chatter

Researchers created a Slack application called Nooks to initiate casual conversations and create affinity groups in online workspaces. The app uses three phases: creation, incubation, and activation, allowing users to anonymously submit topics of interest and connect with like-minded colleagues.

SourceCarnegie Mellon University·DateApr 26, 2023
Sky-Watcher EQ6-R Pro Equatorial Mount

Sky-Watcher EQ6-R Pro Equatorial Mount provides precise tracking capacity for deep-sky imaging rigs during long astrophotography sessions.

How vitamin D3 helps allergic asthma

Researchers from FAU have discovered that vitamin D3 can alter the cellular inflammatory reaction in allergic asthma and alleviate symptoms. Taking vitamin D3 supplements led to less pronounced asthma symptoms and fewer allergy-inducing antibodies in children and adults.

SourceFriedrich-Alexander-Universität Erlangen-Nürnberg·JournalJournal of Allergy and Clinical Immunology·DateApr 26, 2023

Misconceptions put women off STEM subjects

A sociological study at the University of Zurich reveals that outdated gender stereotypes play a major role in women's reluctance to pursue STEM subjects. Women tend to prefer fields with less emphasis on analytical thinking and more social and emotional skills, despite high salaries and good employment prospects. The study suggests th...

SourceUniversity of Zurich·JournalEuropean Sociological Review·TypeExperimental study·DateApr 26, 2023

What’s wrong in statistics

A new paper proposes an itemized checklist to guide researchers in publishing analyses using complex sample survey data. The checklist, PRICSSA, consists of 17 important items to report for any analyses conducted on complex survey data. This reform aims to increase transparency and make analytic mistakes easier to spot.

SourceOxford University Press USA·JournalJournal of Survey Statistics and Methodology·TypeLiterature review·DateApr 26, 2023

New, comprehensive systematic review and meta-analysis illustrate the need for nuance in public health guidance related to consumption of sugars

A comprehensive review of 169 clinical trials found that the effect of fructose-containing sugars on adiposity varies among food sources and energy control. High doses of certain sources, like SSBs, lead to increased body weight, while others, such as fruit and honey, show moderate beneficial effects when consumed in moderation.

SourceAmerican Society for Nutrition·JournalAmerican Journal of Clinical Nutrition·TypeSystematic review·DateApr 26, 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.

Immune system sculpts rat brains during development

Researchers discovered that female rat brains have a smaller brain region due to immune cells consuming and digesting neurons, affecting behavior. Blocking this process resulted in females preferring their own odor or having no preference.

SourceUniversity of Maryland School of Medicine·JournalProceedings of the National Academy of Sciences·TypeExperimental study·DateApr 26, 2023

LincRNA paints a target on diseased tissues

Researchers have discovered a novel feature of long intergenic noncoding RNAs (lincRNAs) that can serve as markers indicating specific types of tissue. This finding has the potential to lead to highly specific disease treatments by targeting diseased tissues.

SourceUniversity of Tokyo·JournaliScience·TypeExperimental study·DateApr 26, 2023
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.

Novel ‘registration’ method identifies plant traits in close-up photos

Researchers have developed a novel registration method to identify plant traits in close-up photos by correcting illumination effects. The approach uses artificial intelligence and combines data from multiple sensors to generate high-quality point clouds of plants.

SourceNanjing Agricultural University The Academy of Science·JournalPlant Phenomics·TypeExperimental study·DateApr 26, 2023

Ingestible “electroceutical” capsule stimulates hunger-regulating hormone

Researchers at MIT developed an ingestible capsule that delivers electrical stimulation to the stomach, boosting ghrelin production and potentially alleviating nausea and appetite loss. The device uses a grooved surface to create a drier environment for electrodes to contact stomach tissue.

SourceMassachusetts Institute of Technology·JournalScience Robotics·DateApr 26, 2023

Taking a 3D view of the genome may help treat pediatric brain cancers

Researchers at Sanford Burnham Prebys have discovered that a 3D view of the genome can reveal genes in tumors that may be future targets for therapy. By visualizing how the genome is organized and arranged within tumor cells, they were able to identify new candidate targets for treatments.

SourceSanford Burnham Prebys·JournalNature Communications·DateApr 26, 2023

Textile treatment sets a futuristic trend for new electronic applications

Researchers have developed a simple metallic coating treatment for clothing that can repair itself, repel bacteria, and monitor electrocardiogram heart signals. The conductive circuits created by liquid metal particles transform wearable electronics, opening doors for human-machine interfaces, soft robotics, and health monitoring systems.

SourceFlinders University·JournalAdvanced Materials Technologies·TypeExperimental study·DateApr 26, 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.

Environmental context strongly influences drug dependence, study shows

Researchers found that environmental context influences drug dependence by associating psychostimulant effects with specific environments. The study observed behavioral sensitization and brain activation patterns in mice with cocaine dependence, mirroring human cravings for a specific environment or location.

SourceFundação de Amparo à Pesquisa do Estado de São Paulo·JournalBiomedicines·DateApr 26, 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.

Instead of refuting misinformation head-on, try “bypassing” it

A new study published in Scientific Reports found that bypassing misinformation, rather than directly addressing it, can be an effective way to change people's minds. By focusing on positive facts and conclusions, individuals can be persuaded without feeling attacked or contradicted.

SourceUniversity of Pennsylvania·JournalScientific Reports·TypeExperimental study·DateApr 26, 2023

Democrats, urban dwellers, and 30-40-year-olds more likely to purchase first firearms during the pandemic

A new survey found that younger individuals (ages 35-40) and those living in urban areas were more likely to report purchasing a firearm for the first time due to the pandemic. This demographic shift is concerning given the increased risk of firearm-related death associated with having children and firearms present in the same household.

SourceGeorge Mason University·JournalPublic Health·TypeSurvey·DateApr 26, 2023

How solar-powered airships could make air travel climate-friendly

Researchers have identified optimal flight routes for solar-powered airships, which can significantly reduce both transport costs and CO2 emissions of air travel. With a maximum of five percent of carbon dioxide generated compared to conventional air transport, solar airships offer a promising alternative.

SourceFriedrich-Alexander-Universität Erlangen-Nürnberg·JournalInternational Journal of Sustainable Energy·DateApr 26, 2023

Abundance of urban honeybees adversely impacts wild bee populations, according to new Concordia research

A new Concordia University study found that the rapid growth of urban honeybee-keeping is adversely affecting nearby wild bee populations. The researchers compared bee population data collected from sites around Montreal in 2013 and 2020, finding a decline in wild bee species richness associated with increasing honeybee abundance.

SourceConcordia University·JournalPeerJ·TypeData/statistical analysis·DateApr 26, 2023

Using quantum physics to secure wireless devices

Researchers at University of Illinois Chicago develop a method inspired by quantum physics to improve wireless device identification and protect device-to-device communication. They create a hardware encryption system using a truly random and unique digital fingerprint, making it virtually unbreakable.

SourceUniversity of Illinois Chicago·JournalNature Communications·TypeExperimental study·DateApr 26, 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.

BMI and the adolescent brain: A concerning association

A large national study found that preteens carrying excess weight have notable differences in cognitive performance, brain structures, and brain circuitry. The association is concerning as it suggests that excess BMI may impact brain development and function.

SourceBoston Children's Hospital·JournalInternational Journal of Obesity·DateApr 26, 2023

Unraveling the mechanism of green emission peaks in single polyfluorene chains

Researchers used microscopy techniques to study polyfluorene chains and found that intra-chain aggregation causes green emission, which disappears when the chain unfolds. The team also discovered a novel optomechanical force acting on some chains, originating from van der Waals interactions and excitonic coupling.

SourceTokyo Institute of Technology·JournalACS Nano·TypeExperimental study·DateApr 26, 2023

A high-throughput AI method for leaf counting

A new AI method for leaf counting has been developed using deep learning techniques, which can count wheat leaves with high accuracy and speed. The method uses domain adaptation to improve the realism of images and can detect leaf tips even in challenging conditions.

SourceNanjing Agricultural University The Academy of Science·JournalPlant Phenomics·DateApr 26, 2023
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.