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Science News Archive April 2023


Page 9 of 37

For eco-friendly ammonia, just add water

Stanford researchers develop a simple and environmentally sound method to produce ammonia by combining nitrogen from the air with tiny water droplets, requiring minimal energy and low cost. This innovative approach could revolutionize agriculture and reduce greenhouse gas emissions associated with current industrial methods.

Study: Mountain quail may benefit from high severity wildfire

Researchers found Mountain Quail were more common than thought, with positive associations to high-severity fires. They were most positively associated with areas that had burned in the past 6-10 years, but also showed positive relationships ranging from 1 to 35 years after fires.

Apple iPhone 17 Pro

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

Testing antibiotic resistance with a fast, cheap, and easy method

Researchers have developed a fast, cheap, and easy method to test antibiotic resistance in bacteria, using optical nanomotion detection. The technique can determine sensitivity or resistance of bacterial cells to antibiotics in under two hours, with significant implications for clinical and research applications.

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.

A more precise model of the Earth's ionosphere

A new model of the Earth's ionosphere has been developed using neural networks, which can reconstruct the topside ionosphere with high accuracy. This improvement is crucial for satellite navigation systems, such as global navigation satellite systems (GNSS), which require precise correction of radio signals to mitigate ionospheric delays.

Toward ubiquitous and intelligent 6G networks: From architecture to technology

This special topic explores enabling technologies for intelligent 6G, including AI, edge learning, full spectrum, reconfigurable intelligent surfaces, and cell-free massive MIMO. These technologies aim to support ubiquitous connectivity, higher reliability, lower latency, and ultra-reliable low-latency transmission in 6G networks.

Study finds significant variation in anatomy of human guts

A new study has discovered significant variation in the anatomy of the human digestive system, with pronounced differences found between healthy individuals. This finding has implications for understanding the role of digestive tract anatomy in affecting human health and providing potential insights into medical diagnoses.

Meta Quest 3 512GB

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

Renal hyperfiltration: the underestimated risk factor for mortality

Two recent studies conducted at the University of Eastern Finland found that renal hyperfiltration (RHF) is associated with an increased risk of mortality, independent of diabetes mellitus. A lower kidney filtration rate threshold may serve as a more precise measure for defining RHF.

Predictive model developed for complications in diabetes

A new predictive model has been developed to predict the decline of kidney function in people with type 2 diabetes, utilizing 13 routinely collected baseline values from 4,637 individuals. The model uses statistical methods and is being prepared for clinical use to aid early detection and therapy management.

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.

New tools capture economic benefit of restoring urban streams

Researchers developed a suite of tools to assess economic benefits of improving urban stream water quality. The 'ecological production function framework' estimates use and non-use benefits, including increased property values and protected natural resources.

It’s not as difficult as you think to shout upwind

A new study reveals that our perception of difficulty in shouting upwind is incorrect. It's not the wind itself that makes it hard, but rather our inability to hear ourselves due to the convective attenuation effect. The study found that sound carries better within the first 100 meters upwind, making it easier for others to hear us.

Small acts of kindness are frequent and universal, study finds

A new study by UCLA sociologist Giovanni Rossi finds that people rely on each other for help constantly, with requests occurring every couple of minutes. Across cultures, people comply with these small requests far more often than they decline them, suggesting a universal preference for cooperation.

New understanding of "warm Arctic-cold Eurasia" on a subseasonal scale

Researchers have gained new insights into the 'warm Arctic-cold Eurasia' phenomenon, which affects winter climate change in mid-high latitudes. The study found that a strong connection exists between Arctic and Eurasian temperature anomalies on a subseasonal scale, contrary to previous assumptions.

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.

UGA researchers use AI to discover new planet outside solar system

Researchers at the University of Georgia have confirmed evidence of a previously unknown planet outside our solar system using machine learning tools. The discovery highlights the potential for artificial intelligence to enhance scientists' work and speed up analysis, with the potential to dramatically expand exoplanet discoveries.

Generation of color-tunable high-performance LG laser beams via Janus OPO

A team from Nanjing University and Sun Yat-Sen University developed a two-facing Janus OPO scheme for generating high-efficiency, high-purity broadband LG modes with tunable topological charge. The output LG mode has a tunable wavelength between 1.5 μm and 1.6 μm, with a conversion efficiency above 15 percent.

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.

Transforming highways for high-speed travel and energy transport

Researchers have developed a proof of concept for a superconducting highway that can transport vehicles and electricity, leveraging liquid hydrogen cooling to address the challenge of low-temperature superconductor operation. The system enables speeds of at least 400 miles per hour and integrates multiple uses, making it more affordable.

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.

Effects of brain stimulation amenable to conditioning

Scientists used paired-pulse TMS to condition brain responses in a group of 75 people, finding that listening to a tone triggered muscle contraction in the thumb. The study suggests TMS could be used therapeutically to improve mobility in Parkinson's disease patients or treat depression.

Differentiation landscape of acute myeloid leukemia charted with new tool

A new method, CloneTracer, distinguishes between cancerous and healthy stem cells in acute myeloid leukemia (AML). The study reveals two distinct stem cell compartments and shows that progenitor cells respond better to therapy. This finding paves the way for developing new techniques to predict patient response to chemotherapy.

How the brain controls blood flow during sleep

Researchers discovered that parvalbumin interneurons secrete substance P, driving slow vasodilation and increasing blood flow in the brain. This process allows for waste removal and prevention of neurological dysfunctions like dementia.

Celestron NexStar 8SE Computerized Telescope

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

Poor air quality linked to cognitive problems in babies

A new study reveals an association between poor air quality in India and impaired cognition in infants under two. The study found that air quality was poorer in homes that used solid cooking materials like cow dung cake, and that reducing cooking emissions could have benefits to infants' emerging cognitive abilities.

SHMFF users proposed new method for efficient biomimetic catalysts

Scientists at Hefei Institutes of Physical Science proposed a facile method to design efficient biomimetic catalysts using mechanical induced spin transition. The results show that the mixed-spin nanosheet catalyst exhibits high CO yield and selectivity, outperforming its high-spin counterpart.

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.

If it pays to be a jerk, why isn’t everyone that way?

Research on 28 male chimps found that certain personality traits like dominance and low conscientiousness are linked to high rank and reproductive success. The study suggests that the best personality for males varies depending on environmental or social conditions, rather than being a fixed trait.

Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C)

Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C) keeps Macs, tablets, and meters powered during extended observing runs and remote surveys.

Researchers team up with national lab for innovative look at copper reactions

A team of researchers at Binghamton University partnered with Brookhaven National Laboratory to investigate copper oxide peroxides and their effects on oxidation reactions. They used two spectroscopy methods to observe changes in the surface of copper oxide and found that peroxides enhance H2 oxidation but inhibit CO oxidation.

Fluke 87V Industrial Digital Multimeter

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

Scientists have full state of a quantum liquid down cold

Researchers reconstructed the full state of a quantum liquid using ultracold atoms, offering insights into quantum systems' fluctuations and behavior. This breakthrough has promise for quantum computing, sensing technology, and better characterization of quantum systems.

Researchers ID novel treatment pathway for deadly pancreatic cancers

A novel cell signaling pathway has been identified that could be targeted to treat aggressive pancreatic cancers. The High Mobility Group A1 (HMGA1) protein functions as a 'molecular switch' that activates genes required for tumor growth and invasion. Silencing HMGA1 or disrupting FGF19 signals in mouse models resulted in decreased tum...

Monkeys are smarter than we thought

A groundbreaking study published in Nature Neuroscience shows that monkeys can think deeply about problems, consider multiple factors, and find optimal outcomes. This discovery challenges traditional views on animal intelligence and highlights the complexity of monkey cognition.

Pioneering research sheds new light on the origins and composition of planet Mars

Researchers at the University of Bristol used NASA's InSight lander data to detect seismic waves traveling into Mars' core, revealing a denser and smaller core comprising iron and numerous other elements. The study found that the core's composition is distinct from Earth's, with a high fraction of light elements alloyed with iron.

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.

Researchers reveal an ancient mechanism for wound repair

Researchers identified an ancient mechanism for wound repair, triggered by low oxygen levels and IL24 protein. This pathway coordinates tissue repair without the need for infection, and may be involved in other organs featuring epithelial layers.

New report makes recommendations on controversial genetics research

The Hastings Center's new report provides direction for research and communications in social and behavioral genomics, highlighting both potential benefits and significant risks. The report recommends engaging with stakeholders, justifying population definitions and phenotype measurement, and conducting studies with adequate power.

Trends in the prevalence of stroke

A nationally representative sample of community-dwelling adults found that stroke prevalence remained stable overall, but increased among men. The study's estimates underestimate the total burden due to institutional settings not included in National Health and Nutrition Examination Surveys.

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.