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Science News Archive 2023


Page 265 of 444

“A blessing in disguise!” Physics turning bad into good

Scientists developed a new method to manipulate light using non-Hermitian theory, enabling unidirectional control of surface plasmon polaritons. This breakthrough could lead to improved quantum sensors and applications in disease diagnosis and atmospheric gas detection.

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.

How the COVID-19 pandemic impacted social cohesion

The COVID-19 pandemic's effects on social relationships, trust in institutions, and willingness to help others are examined in a new special issue. Key findings highlight the complex relationship between societal context and measures taken during the pandemic.

Apple iPhone 17 Pro

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

Researchers want to use ‘biochar’ to combat climate change

A new review of research suggests that applying biochar to agricultural fields can reduce greenhouse gas emissions, particularly nitrous oxide and methane. The study found that biochar can store carbon in stable forms for thousands of years, making it a promising technology for achieving negative emissions.

Global flows of toxic mercury

The global biogeochemical mercury cycle is closely tied to international trade routes, with emissions primarily linked to artisanal gold mining and smelting. Strategies to mitigate mercury exposure include production-side controls and consumption taxes to influence consumer behavior.

Cultural threats can lead to violent extremism

A study by researchers at the University of Copenhagen found that violent extremism is largely driven by a perception of cultural threat, particularly among individuals with specific personality traits. The researchers identified the 'Need for Cognitive Closure' (NFC) as a key psychological mechanism behind this phenomenon.

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.

CT scan best at predicting heart disease risk in middle age

A new Northwestern University study finds that CT scans are more effective than genetics in predicting the risk of heart disease in middle-aged individuals. The study used data from over 3,200 adults and found that adding CT scan data to conventional risk factors improved the accuracy of risk prediction.

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.

Biomarkers may help ID treatment of acute kidney injury

Researchers propose using blood and urine biomarkers to classify subpopulations of acute kidney injury (AKI) patients, identifying therapies specific to individual patient populations. The study found two molecularly distinct AKI subgroups associated with differing risk profiles and long-term outcomes.

Fluke 87V Industrial Digital Multimeter

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

May/June 2023 Annals of Family Medicine tip sheet

Primary care clinicians reported a range of experiences with telemedicine, from ease of adoption to challenges in conducting physical exams and diagnostic testing. The study also found that telemedicine had both positive and negative impacts on providers and patients, highlighting the need for clear regulations and adequate staffing pr...

The pros and cons of using ChatGPT in clinical radiology: An open discussion

Researchers investigate the potential of ChatGPT in clinical radiology, highlighting its positive considerations, such as enhancing patient care and radiologist education, as well as negative concerns, like accuracy and transparency issues. The paper aims to initiate an engaging discussion on the use of AI-powered chatbots in this field.

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.

Making a 3D-printed gel biologically functional

Scientists adapted volumetric bioprinting to create three-dimensional, biologically functional areas within printed gels. The technique enables the infusion of biomolecules and growth factors into gelatin structures, creating a chemical map that guides cells to develop or specialize accordingly.

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.

Strategic habitat restoration can generate a win-win for forests and farmers

Carefully planned restoration of agricultural coffee landscapes can increase crop yield by promoting pollinators' habitat, leading to long-term conservation and economic benefits. Over a 40-year period, strategically allocating land to agriculture and forest can double profits for landholders while increasing forest cover by 20%.

New camera technology could revolutionise plastics recycling

A new camera technology developed by Aarhus University and Newtec Engineering A/S aims to make it easier to recycle plastic materials. The technology uses hyperspectral imaging to analyze the chemical composition of plastic waste, allowing for the removal of unwanted additives that may be banned or harmful.

International group of experts redefines concussions

A new standard for diagnosing concussions has been established by an international group of experts, taking into account blood tests and cognitive assessments. The new criteria aim to reduce inconsistencies in diagnosis and improve patient care, as well as facilitate apples-to-apples comparisons between studies.

Did dome-headed dinosaurs sport bristly headgear?

A newly described species of pachycephalosaur, Platytholus clemensi, has been found to have a keratin bristle structure atop its dome. The discovery was made using CT scans and microscopic analyses of fossilized slices through the skull.

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.

Cheap and effective monitoring of glacier discharge

Scientists from Hokkaido University propose a cheap and effective alternative for monitoring glacial runoff by analyzing audible sounds generated at the proglacial run-off site. The method has shown promising results in detecting changes in glacier discharge with high accuracy.

The Mediterranean Diet: Good for your health and your hip pocket

A new study from the University of South Australia shows that the Mediterranean diet is not only good for health but also for your weekly budget. Compared to the typical Australian Western diet, the Mediterranean diet costs less, with a family of four saving $28 per week and nearly $1500 per year

Strategic city planning can help reduce urban heat island effect

Researchers found that tree coverage and high-albedo pavement significantly reduced mean radiant temperatures, improving thermal comfort levels in urban areas. The study suggests incorporating trees and pavement design elements into city planning to mitigate the urban heat island effect.

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.

What’s behind burnout and exhaustion in nursing staff?

Research survey finds that long working hours, inadequate staffing, and limited shift choice contribute to burnout and exhaustion among nursing staff. Staff with complete control over shift patterns are less likely to experience burnout, but this may not be feasible in 24/7 care settings.

Heat stress can be contagious

A study found that heat-stressed zebrafish embryos release chemical cues that alter the growth rate and behavior of non-stressed embryos, influencing gene expression related to immune response and cell structure. This phenomenon has ecological and animal welfare implications in a warming world.

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.

Boost for the quantum internet

Researchers at the University of Innsbruck have created a fully functioning quantum repeater node, enabling entanglement creation and swapping over 50 kilometers. This breakthrough demonstrates the feasibility of connecting distant cities through secure, high-performance quantum communication networks.

Supposedly rare diseases aren’t as rare as previously thought

Researchers found that individuals with only one defective allele can suffer from life-threatening diseases, challenging the assumption that defects in one allele are asymptomatic. The study highlights the importance of considering haploinsufficiency, where a single functioning gene is insufficient to prevent disease.

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.

B cells promote liver cancer with dangerous dual strategy

Researchers found that B cells in the gastrointestinal tract play a crucial role in promoting liver cancer by activating autoaggressive T cells and producing IgA antibodies. When B cells are turned off, inflammation and fibrosis regress in mice, suggesting new ways to prevent NASH and liver cancer.

Hertz Foundation announces 2023 Hertz Fellows

The Fannie and John Hertz Foundation has announced the 2023 Hertz Fellows, who will tackle significant challenges in fields like artificial intelligence, quantum technologies, and human health. The 15 new fellows join a community of over 1,200 innovators with a proven track record of accomplishments.

Researchers treat depression by reversing brain signals traveling the wrong way

Researchers at Stanford Medicine have discovered that transcranial magnetic stimulation (TMS) treats depression by reversing abnormal brain signals. The treatment, which involves powerful magnetic pulses applied to the scalp, changes the flow of neural activity in the brain. By analyzing fMRI data, the team identified a key connection ...

Previous smallpox vaccine provides immunity to mpox

Researchers from Karolinska Institutet in Sweden report that individuals vaccinated against smallpox decades ago retain cross-reactive immunity to mpox. The study found that previous smallpox vaccination provides about 80% protection against mpox.

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.

Researchers build bee robot that can twist

Washington State University researchers developed a robotic bee that can fly fully in all directions, including twisting motion. The Bee++ prototype achieves six degrees of free movement and is controlled by an artificial brain that acts like an insect's brain.

Viral transmission in schools

A study on Chinese schoolchildren found that younger kids had higher close contact rates than older peers, with most face-to-face interactions occurring during breaks. The authors recommend a classroom ventilation rate to mitigate airborne transmission, suggesting improved ventilation can reduce COVID-19 risk.

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.

Propellers are louder over ground, researchers find

Researchers have measured the effects of ground on propeller noise for the first time, finding clear differences in noise characteristics. The study aims to inform strategies to reduce aircraft noise while taking off or landing, which is crucial for urban air services.