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Science News Archive April 2023


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.

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.

Apple iPhone 17 Pro

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

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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...

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.

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.

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.

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.

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.

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.

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.

Fluke 87V Industrial Digital Multimeter

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

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.

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.

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.

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.

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.

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.

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.

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.