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Science News Archive 2023


Page 430 of 444

Deep meditation may alter gut microbes for better health

A study found that Tibetan Buddhist monks with long-term deep meditation practice had distinct gut microbiome profiles, associated with lower risks of anxiety, depression, and cardiovascular disease. Their gut microbiota was enriched with beneficial bacteria that may influence mental health.

How gut bacteria evade the immune system

Researchers identified a new type of flagellin in the human gut that binds to Toll-like receptor 5 without inducing an inflammatory response. This discovery provides a mechanism for the immune system to tolerate beneficial microbes while remaining responsive to pathogens.

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.

20,000 premature US deaths caused by human-ignited fires

A study published in Environmental Research Letters finds that human-ignited fires are responsible for over 67% of small smoke particles called PM2.5 in the US, leading to 20,000 premature deaths annually. The research highlights the need for ignition-focused management plans to reduce human-ignited fires and minimize health impacts.

Celestron NexStar 8SE Computerized Telescope

Celestron NexStar 8SE Computerized Telescope combines portable Schmidt-Cassegrain optics with GoTo pointing for outreach nights and field campaigns.

Tens of thousands of feasible catalysts on the diameter of a hair

Scientists at Ruhr-University Bochum develop a technique to create complete five-element material systems on a carrier roughly the size of a human hair. This enables them to efficiently search for new catalysts with high catalytic activity, crucial for environmentally friendly energy conversion processes.

Pressured coaches try to get sports psychologists to gossip

Research shows pressure from coaches and management forces sports psychologists to share confidential conversations with players, leading to mistrust. To build trust, sports psychologists can work as clients, use case formulation, or establish a built-in consent process.

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.

Astronomers capture radio signal from distant galaxy

Researchers detect radio signal from record-breaking distance galaxy, measuring gas composition and gaining insights into the early universe. The signal was amplified by a factor of 30 using gravitational lensing, allowing scientists to study a previously inaccessible region.

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.

Homo sapiens or insapiens? A new insect species from Kosovo cries for help

A new species of aquatic insect, Potamophylax humoinsapiens, has been discovered in the Sharr Mountains of Kosovo. The species was named to raise awareness about human activities that have degraded habitats and led to extinction. Researchers hope this naming convention will make insects 'talk' to humanity's collective consciousness.

Marriage in Minoan Crete

Researchers analyzed 100 ancient genomes to understand kinship and marriage rules in Minoan Crete and Mycenaean Greece. They found that cousin marriages were common, with over 90% of sons marrying within their own family's hamlet.

Calling patients after heart failure may save lives

Researchers found that patients with low comorbidity groups who received more frequent phone calls had improved outcomes, including reduced mortality and longer hospital stays. The intervention involved regular calls from nurses to monitor patient response and address any unusual symptoms.

Deflecting lightning with a laser lightning rod

A European consortium has successfully guided lightning using a high-power laser installed at the top of Mount Säntis in Switzerland, increasing the radius of protection from 120m to 180m. The Laser Lightning Rod (LLR) works even in poor weather conditions, such as fog.

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.

Apple iPhone 17 Pro

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

From octopus to elephant: a molecular zoo of epigenetics

Scientists have mapped and analyzed DNA methylation profiles in 580 different animal species, providing insights into the evolutionary conservation of epigenetic mechanisms. The study reveals that DNA methylation constitutes a cancer-protective mechanism in large animals with long lifespans, contradicting Peto's paradox.

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.

Leonardo da Vinci’s paradox cracked

Researchers from the University of Seville and Bristol have discovered a mechanism to explain the unstable movement of air bubbles rising in water. The simulations closely match high-precision measurements, revealing that bubbles deviate from straight-line motion when their spherical radius exceeds 0.926 millimeters.

Meta Quest 3 512GB

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

How the last 12,000 years have shaped what humans are today

The shift from foraging to farming led to increased conflict, violence, and infectious diseases. Humans adapted genetically to dairy consumption around 5,000 years ago, while early agricultural communities faced social challenges, including limited diets and kinship organization.

Dog breeds differ from each other in their cognitive traits

A study of 13 dog breeds found breed differences in cognitive traits like social cognition, problem-solving ability, and inhibitory control. The results suggest that different breeds excel in specific tasks, highlighting the complexity of canine cognition.

Frequent visits to green space linked to lower use of certain prescription meds

Research published in Occupational & Environmental Medicine found that frequent visits to urban green spaces were associated with lower use of prescription meds for depression, anxiety, insomnia, high blood pressure, and asthma. The frequency of green space visits was linked to a significant reduction in medication use, particularly am...

New strategy for cryopreservation of mouse follicles

Researchers developed a low-concentration cryoprotective agent vitrification method to preserve mouse preantral follicles, improving survival rates by 1/3. The approach integrated microencapsulation and physical heating techniques for enhanced cell protection.

Fluke 87V Industrial Digital Multimeter

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

Study finds active galactic nuclei are even more powerful than thought

A new study reveals that active galactic nuclei are even more powerful than previously believed, with their far ultraviolet light dimmed by a large factor due to dust. This discovery implies that these objects are putting out an order of magnitude more energy than thought in the ultraviolet range.

New study questions whether toddlers choose to help dogs impulsively

A team of scientists from the USA conducted a study on toddlers' behavior towards helping dogs. The researchers found that children aged 2-3 years were twice as likely to help a dog reach a treat or toy when it showed interest, with factors such as the dog's liveliness and the object being a treat increasing the likelihood of assistance.

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.

2D interaction takes researchers by surprise

The study, published in Physical Review X, demonstrates the quantum properties of 2D Cherenkov radiation and reveals a record-breaking electron-radiation coupling strength. Every electron emitted radiation, improving the interaction efficiency by over two orders of magnitude.

Computers reimagined

Prof. Shahar Kvatinsky's neuromorphic chip integrates storage and processing functionalities, achieving 97% handwritten letter recognition accuracy with low energy consumption. The chip's design enables potential applications in camera sensors, eliminating the need for digital image enhancement.

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.

At-home bowel cancer tests could help reduce colonoscopies

A new study found that multiple negative faecal immunochemical tests can significantly reduce the risk of advanced neoplasia in a colonoscopy surveillance program. This could lead to longer intervals between screenings for people at above-average risk, reducing the burden on healthcare systems.

Chronic pain management program delivered by ‘coaches’ improves outcomes

A new study from Flinders University found that a telehealth program delivering individualized coaching improves self-management and reduces suffering for people with chronic pain. The program, called Rethinking Pain, provides access to care and support for those living in rural areas who face long wait times for specialist care.

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.

Researchers create smaller, cheaper flow batteries for clean energy

A new compact flow battery cell configuration reduces size and cost by 75%, increasing volumetric power density and enabling more efficient energy storage. The technology could revolutionize residential and commercial energy systems, with potential applications in electrolysis and fuel cells.

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.

AI discovers new nanostructures

Researchers at Brookhaven National Laboratory have successfully discovered new materials using artificial intelligence and self-assembly. The AI-driven technique led to the discovery of three new nanostructures, expanding the scope of self-assembly's applications in microelectronics and catalysis.

Breathing supercapacitor

Researchers have created a supercapacitor that combines high power and energy density using a 'breathing' electrode with chlorine gas. The new device achieves rapid charge separation and mass transfer, increasing its energy storage capacity.

Politics seep into daily life, negatively affecting mental health

Research published by the American Psychological Association finds that following daily political news can negatively impact people's mental health and well-being. Disengaging from politics also comes with a cost, as it reduces motivation to take action on political causes.

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.