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Science News Archive March 2023


Page 30 of 44

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.

Looking for risky viruses now to get ahead of future pandemics

Researchers suggest a four-part framework to identify animal viruses that may infect humans, focusing on viruses from repeat offender families and those with known human compatibility. By studying these viruses early, scientists can develop diagnostic tools and treatments, and be better prepared to combat future pandemics.

High-speed super-resolution microscopy via temporal compression

Researchers developed temporal compressive super-resolution microscopy (TCSRM) to overcome optical diffraction's spatial resolution restriction. TCSRM achieves high-speed imaging at 1200 frames per second with a spatial resolution of 100 nanometers, enabling observation of fast dynamics in fine structures.

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.

Migratory birds take breaks to boost their immune system

Researchers found that migratory birds can restore several parameters of their immune function during stopovers, not just to refuel. This discovery suggests that these short breaks are essential for the birds' overall health and immune system.

Family’s participation key to advancing diabetes research

A study of one family with monogenic diabetes reveals that insulin deficiency is the principal factor leading to a smaller pancreas. The Vanderbilt University Medical Center researchers discovered this through precise measurements of the pancreas taken from four family members.

Apple iPhone 17 Pro

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

New study challenges our understanding of the immune system

A recent study from Aarhus University reveals that B cells can be activated by antigens that only bind one receptor at a time, challenging the long-held model of immune recognition. This discovery holds promise for designing more effective vaccines and treating autoimmune diseases.

Cause of leukemia in trisomy 21

Children with Down syndrome are highly vulnerable to developing aggressive leukaemia due to a defect in the RUNX1 gene, which regulates blood cell formation. Researchers have identified a specific variant of the gene that promotes leukaemia development and discovered potential therapeutic approaches to correct this malfunction.

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.

Sea temperatures control the distributions of European marine fish

An analysis of European marine fish found temperature to be a key driver of large-scale spatial variation in fish assemblages. By 2050 and 2100, the study predicts the greatest community-level changes will occur at locations with greater warming, particularly further north.

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.

Remarkable squirting mussels captured on film

Cambridge researchers observe Unio crassus mussels squirting water jets up to a meter away from the riverbed to increase the chances of their larvae attaching to specific host fishes. This behavior has never been seen in any other mussel species and may be crucial for the endangered species' survival.

How to assemble a complete jaw

A USC-led team of scientists identified the key gene Nr5a2, essential for opening up genome regions that enable neural crest cells to form tendons and salivary glands. Zebrafish and mice lacking this gene exhibited skeletal and tendon defects, as well as failed salivary gland development.

The perils of bacteria’s secret weapons

A recent study highlights the perils of bacteria's secret antimicrobial resistance, which can be difficult to detect using traditional methods. Researchers are exploring new approaches, such as genetic analysis, to identify and prevent the spread of these resistant strains.

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.

Association of primary care visit length with potentially inappropriate prescribing

A study of 4.3 million patients found shorter primary care visits were associated with a higher likelihood of antibiotic overprescribing and co-prescribing opioids and benzodiazepines. Younger, publicly insured, Hispanic, and non-Hispanic Black patients had shorter visits, highlighting opportunities for operational improvements in visi...

Urine gene test can predict bladder cancer years before diagnosis

A new urine gene test can detect genetic mutations in urine that predict bladder cancer up to 12 years in advance of clinical symptoms. The test was trialled on over 50,000 participants and showed promising results, suggesting its potential for early detection and reduced unnecessary invasive procedures.

Outperforms state-of-the-art algorithms in deep learning tasks

The Meta-Semi algorithm achieves competitive performance on challenging semi-supervised learning tasks, such as CIFAR-100 and STL-10, with only one additional hyper-parameter to tune. This approach naturally yields a meta-learning formulation where the correctly pseudo-labeled data has a similar distribution to labeled data.

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.

University of Cincinnati researchers develop innovative breathing aid

Researchers at the University of Cincinnati developed an innovative breathing device called PEP Buddy, which improves symptoms of breathlessness, quality of life, and oxygen levels in people with COPD. The study found significant reductions in shortness of breath and improvements in quality of life among participants.

Immune cells have a backup mechanism

Researchers at University of Bonn discover a backup mechanism in immune cells that ensures efficient antiviral responses despite TBK1 enzyme mutations or complete loss. This mechanism relies on the stability of IKKepsilon protein, which compensates for TBK1 deficiency.

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.

Social intelligence is the next frontier for AI, researchers say

Researchers argue that Artificial Social Intelligence (ASI) is the next big frontier for AI. ASI requires social perception, Theory of Mind and social interaction to understand others' mental states and cooperate in shared tasks. The field needs a holistic approach mimicking human interaction.

New ultrasound method could lead to easier disease diagnosis

Researchers at the University of Sheffield have developed a new ultrasound method to measure tissue tension, which can indicate abnormal tissue, scarring, and cancer. This breakthrough technique uses sound waves to detect forces within soft tissue, enabling earlier disease diagnosis and potentially improving healthcare outcomes.

SF State research closes in on next-generation atom-thick photonic devices

The SF State team has created a broadband nanoscale photodetector using bismuth-MoS2 materials, showing improved sensitivity in the UV range and responsiveness over a wide wavelength range. The device is also fast, working at around 10 kilohertz and potentially scalable to megahertz or gigahertz speeds.

Aging | Cognitive aging and dementia prevention: The time for psychology?

Recent studies have identified key psychological processes, such as repetitive negative thinking and self-reflection, that may impact cognitive aging and dementia prevention. Researchers propose incorporating psychological elements to reduce dementia risk through cognitive-behavioral interventions.

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.

Astrocyte cells critical for learning skilled movements

Researchers found that astrocyte cells directly impact motor learning by maintaining an optimal molecular balance. Astrocytes' ability to regulate neurotransmitter glutamate affects the smoothness of movement and refinement of technique.

Study reveals that soft gums are more prone to inflammation

A Tohoku University study found that soft gingiva is more likely to cause inflammation, hindering the development of collagen fibers. This discovery has implications for the development of advanced biomaterials and microdevices to control local inflammation.

Researchers find access to new fluorescent materials

Researchers have found a way to increase the efficiency of fluorescence in phosphole-based compounds by modifying them with sulfonyl isocyanates. This modification method has been shown to significantly enhance the optical properties of these substances, making them suitable for use as efficient dyes or markers.

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.

Microscopy: highest resolution in three dimensions

Researchers have developed a super-resolution microscopy method that combines pMINFLUX, graphene energy transfer, and DNA-PAINT to achieve the highest resolution in three-dimensional space. This enables the rapid imaging of dense molecular structures with unprecedented precision.

Hotter than infinity – light pulses can behave like an exotic gas

Researchers at the Universities of Jena and Central Florida have created a photon gas that exhibits behavior similar to a conventional gas, with particles moving at different speeds but maintaining a mean velocity defined by temperature. This phenomenon, known as negative temperature, can be cooled or heated, allowing for the creation ...

Unwinding the world’s smallest biological rotary motor by degrees

Scientists studied F1-ATPase function in bacteria to clarify the angle of rotation during ATP hydrolysis. The study revealed three sets of short and long dwells associated with different intervals per revolution, resolving a long-term debate over the ATP-cleavage shaft angle.

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.

Shedd Aquarium and the Morton Arboretum named new centers for species survival

The IUCN Species Survival Commission has recognized two iconic Chicago institutions as Centers for Species Survival, elevating the region's role in biodiversity conservation. Shedd Aquarium and The Morton Arboretum will collaborate on projects highlighting aquatic and terrestrial linkages in Central American biodiversity hotspots.

Honey bees use social learning to improve waggle dancing

Researchers found that young honey bees who followed dances of older bees improved their performance, reducing disordered dances and increasing orderly ones. Social signal learning refines behaviors for local conditions, suggesting it's advantageous for novice dancers to learn from experienced ones.

Shape memory for nano-sized objects

Researchers at ETH Zurich have successfully applied the shape-memory effect to nano-sized objects, overcomes the limitation of objects needing to be larger than 50 nanometers. The material ferroic oxides showed a free-standing nanoscale structure made of ferroic oxides that are highly elastic and resilient.

St Andrews research shows automated sorting can diagnose cancer faster

A new AI model developed by St Andrews researchers can accurately classify endometrial biopsy whole slide images as malignant or benign, allowing pathologists to prioritize their workload and reduce diagnosis time. The final model achieved 97% accuracy in detecting malignant slides and 90% accuracy overall.

USTC realizes quantum-enhanced microwave ranging

Researchers from USTC developed a novel method combining micro/nano resolution with deep sub-wavelength localization to achieve quantum-enhanced position measurement accuracy of 10^-4 wavelengths. This breakthrough technology enables high-precision microwave positioning, surpassing traditional radar systems.

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.

Island-inhabiting giants, dwarves more vulnerable to extinction

Research reveals island-dwelling mammal species face higher extinction risks, with those experiencing extreme size changes being particularly endangered. Human arrival on islands multiplies the probability of extinction by 16, contributing to a 'protracted extinction event' spanning over 100,000 years.

Complex learned social behavior discovered in bee’s ‘waggle dance’

Researchers at the University of California - San Diego found that honey bees use a 'waggle dance' to communicate the location of food sources, and that this behavior is improved by learning and culturally transmitted. The study demonstrates the importance of early social signal learning in non-human spatial referential communication.

First wiring map of neurons in insect brain complete

Researchers have built the first ever map showing every single neuron and how they're wired together in the fruit fly larva's brain. This huge step forwards in science will help us understand basic principles of signal travel through the brain, leading to behavior and learning.

Electrocatalysis under the atomic force microscope

Researchers have developed a new approach to correlative atomic force microscopy, allowing for the simultaneous measurement of electrocatalyst properties. This study focuses on nanostructured copper-gold electrocatalysts and provides insights into catalyst-electrolyte interfaces, enabling targeted optimization.

UK study reveals ethnic differences in obstetric anesthesia care

A UK study found that Black Caribbean-British women are 58% more likely than white women to receive general anaesthesia during elective caesarean births, while Bangladeshi-British and Pakistani-British women are less likely to have epidurals. The study also reveals differences in assisted deliveries and emergency caesarean births betwe...

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.

Scientists complete 1st map of an insect brain

Researchers have completed the most advanced brain map to date, tracing every neural connection in the brain of a larval fruit fly. The team's achievement is expected to underpin future brain research and inspire new machine learning architectures.

Scientists reveal 'magic boron clusters' on monolayer borophene

The study reveals the formation of boron clusters with magic numbers on monolayer borophene, leading to spontaneous transformation into bilayer borophene. Density functional theory calculations identify B5 clusters as the result of in-plane charge distribution and electron delocalization.