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Science News Archive 2023


Page 246 of 444

“List diving” skips top candidates awaiting donor kidneys

A study found that most kidneys offered to transplant centers were given to lower-priority candidates, citing concerns about organ quality. This practice, known as 'list diving,' harms some patients and contributes to disparities in organ transplantation.

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.

Study finds socially tolerant monkeys have better impulse control

A study by researchers at the University of Portsmouth found a significant connection between social organisation and cognitive skills in monkeys. Tonkean macaques, known for their diverse and complex relationships, demonstrated better overall control of distraction, emotions, and actions compared to less tolerant species.

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 steps towards realizing mechanical qubits

Scientists have successfully created conditions for mechanical qubits by engineering anharmonicity close to the ground state. By cooling a nanotube device to near absolute zero, researchers demonstrated a new mechanism that boosts nonlinear effects in the system, paving the way for quantum computing.

Study: Southern states may have borne brunt of COVID-19 mental health impact

A new study found that federal and state lockdowns and health mandates implemented during the pandemic exacerbated mental health issues in people living in four US geographic regions. The research showed a significant increase in feelings of anxiety and depression, particularly in Southern states with Republican governments.

Diet tracking: How much is enough to lose weight?

Researchers found that participants only need to track around 30% of the days to lose more than 3% weight and 40% of the days to lose more than 5% weight. A third group, called the low trackers, started tracking only three days a week, and dropped to zero by three months, where they stayed for the rest of the intervention.

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.

LGB adults at higher risk of suicidal thoughts and self-harm

A new study found that LGB adults are more than twice as likely to experience suicidal thoughts or self-harming behaviors compared to straight peers. Depression, anxiety, and experiences of discrimination and bullying contribute to these increased risks.

'Hot Jupiters' may not be orbiting alone

A study by Indiana University astronomer Songhu Wang reveals that at least a fraction of hot Jupiters cannot form through violent processes, suggesting a new understanding of their evolution. Researchers found 12% of hot Jupiters and 70% of warm Jupiters have nearby planetary companions.

Social participation promotes optimal aging in older adults, research shows

A new study followed over 7,000 middle-aged and older Canadians for three years, finding that social participation was associated with successful aging. Those who engaged in volunteer work and recreational activities were more likely to maintain excellent health and less likely to develop physical or mental problems.

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.

ChatGPT designs its first robot with TU Delft researchers

Researchers at TU Delft and EPFL collaborated with ChatGPT to design a tomato-harvesting robot, showcasing the potential of AI in robotics. The study highlights the need for verification and validation of LLM output to prevent misinformation and bias.

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.

Worm genetics reveal important pathways for sleep regulation

Researchers used unbiased genetic screening to identify genes involved in regulating sleep in worms, finding that proteins play a crucial role. These findings suggest new approaches for preventing diseases related to sleep disturbances and inflammation.

Combining bioprinting techniques to pursue functional blood vessels

Researchers at the University Medical Center Utrecht combined volumetric bioprinting and melt electrowriting to create functional blood vessels. The technique allowed for the creation of tubes, forked vessels, and even venous valves with unidirectional flow, paving the way for further development into a fully functional blood vessel.

UCDP: Number of deaths in armed conflicts has doubled

The UCDP reported a 97% increase in deaths in armed conflicts to 237,000 in 2022, with Ethiopia and Ukraine being the deadliest conflicts. The number of active conflicts remains at a historically high level, with over 50 state-involved conflicts and 82 non-state conflicts.

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.

Meta Quest 3 512GB

Meta Quest 3 512GB enables immersive mission planning, terrain rehearsal, and interactive STEM demos with high-resolution mixed-reality experiences.

New study identifies mechanism driving the sun’s fast wind

Researchers used data from NASA's Parker Solar Probe to explain how the solar wind surpasses speeds of 1 million miles per hour. The energy released from the magnetic field near the sun's surface drives the fast solar wind, comprising ionized particles flowing outward from the sun.

Why some military veterans may be more at-risk of PTSD symptoms

A new study from Iowa State University finds that adverse childhood experiences can increase vulnerability to PTSD, even after controlling for combat exposure. The researchers suggest that early trauma can affect coping mechanisms and social support networks, making individuals more susceptible to stressors.

New “AI doctor” predicts hospital readmission and other health outcomes

Researchers at NYU Grossman School of Medicine have developed an AI tool called NYUTron that can accurately estimate patients' risk of death, length of hospital stay, and other factors important to care. The tool achieved impressive results in predicting readmission rates, improving upon standard methods by up to 7%.

What your likes, posts really say about you

A new study from Washington University in St. Louis offers a fine-grained scale to understand how people use social media, revealing four categories: belief-based, consumption-based, image-based and comparison-based. Each category is associated with unique personality traits and behavioral characteristics.

Apple iPhone 17 Pro

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

Chat-GPT designs tomato picking robot in collaboration with researchers

EPFL researchers used Chat-GPT to design a working robotic tomato harvester, showcasing the AI tool's potential for collaborating with humans in robotic design. The study highlights opportunities and risks of applying artificial intelligence to robotics, emphasizing the need for careful evaluation of LLMs' role in design.

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.

Does fat content within muscle predict risk of cognitive decline?

A study published in the Journal of the American Geriatrics Society found that a 5-year increase in muscle fat stored in the thigh muscle is associated with faster cognitive decline. The research suggests that muscle adiposity plays a unique role in cognitive decline, distinct from other types of fat or muscle characteristics.

Despite major progress nationally, two mercury emissions hotspots remain

A new study from Harvard University reveals that despite the national reduction of mercury emissions by 90% since the implementation of the Mercury and Air Toxics Standards in 2011, two regions - Texas and North Dakota - continue to be major sources of toxic air pollution. The research highlights significant sociodemographic disparitie...

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.

Gradual supported release of primates into the wild shown as effective

A study by Durham University and the Jane Goodall Institute has found that gradual release of mandrills into the wild with post-release support improves their stress response and overall well-being. The research tested this assumption for the first time, providing evidence for a carefully planned release.

Birds and bats ensure yields for cacao farmers in northern Peru

Farmers' use of birds and bats as part-time collaborators has been found to increase productivity by 54% and boost annual yields by approximately $959 per hectare. This partnership helps mitigate the damage caused by pests such as aphids and mealybugs, ultimately benefiting cacao farmers in northern Peru.

New research: Maybe crying in baseball is a good thing?

Researchers found that specialized MLB pitchers perform better in their specialty after obligatory tasks outside of their specialization, such as batting. This phenomenon is known as 'forced task inferiority,' where underperformance in non-specialist tasks frustrates specialists and generates heightened drive that they can channel into...

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.

Remains of an extinct world of organisms discovered

Researchers have uncovered previously unknown biomarker signatures pointing to a vast array of ancient organisms that thrived on Earth about a billion years ago. These 'protosteroids' offer an unprecedented glimpse into the conditions surrounding the emergence of complex life.

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.

Alcohol drinking cut in half with diabetes medication

Researchers at the University of Gothenburg found that semaglutide, a diabetes medication, significantly reduced alcohol intake and relapse-like drinking in rats. This study suggests that semaglutide may be effective in treating alcohol dependence, particularly for individuals with both obesity and diabetes.

Granulated gels: the best of both worlds for bioprinted cells

Researchers at UMC Utrecht successfully merged two printing techniques to create functional tissues made from stem cells. Granular biogels enable high cell density, survival, and specialization, surpassing solid gels. This breakthrough boosts tissue functionality and opens up opportunities for regenerative medicine.

Fluke 87V Industrial Digital Multimeter

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

Intentional defects make for better reactions, researchers report

Defects in atomic structure enable better oxygen evolution reaction performance, producing clean-burning hydrogen gas with less electricity. The researchers developed electrocatalysts with both amorphous and crystalline architectures that contain defects, leading to superior reaction activity.

Evaluating AI responses to public health questions

ChatGPT consistently provided accurate, evidence-based answers in public health questions, beating rival AI assistants. Meanwhile, Amazon Alexa and Google Assistant struggled to recognize or refer users for help.

Mirror, mirror on the wall… Now we know there are chiral phonons for sure

Physicists have discovered that phonons, quasiparticles describing crystal lattice vibrations, can exhibit chirality - a fundamental concept with implications for material properties. Using circular X-ray light, researchers observed corkscrew motions of phonons in quartz, revealing the phenomenon of chiral phonons.