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Science News Archive January 2023


Page 31 of 35

Riddle solved: Why was Roman concrete so durable?

Researchers uncover ancient manufacturing strategy that incorporates self-healing functionalities into Roman concrete. Hot mixing process allows for faster construction and enhanced durability through spontaneous cracking and recrystallization.

New strategy suggested for ultra-long cycle Li-ion battery

Researchers developed a high-performance cathode material for lithium rich manganese based lithium ion batteries with excellent cycling performance. The material combines sulfur doping, in-situ growth of coherent spinel phase, and oxygen vacancy optimization strategies to avoid microcracks and improve battery life.

Apple iPhone 17 Pro

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

Organelles grow in random bursts

Researchers at Washington University in St. Louis demonstrated that eukaryotic cells can control organelle size by exhibiting random bursts of growth, maintaining a narrow window of precision within this noise., The study suggests a biophysical mechanism for the robustness and universality of organelle size control.

More than two billion are infected with this disease; Vitamin D can help

Researchers found that vitamin D strengthens immune cells' ability to fight tuberculosis by producing cathelicidin toxin. Vitamin D treatment can prevent and treat the disease, particularly in populations exposed to high risk of infection. However, supplements do not protect against infection with tuberculosis.

Artificial intelligence could aid in evaluating parole decisions

Researchers used machine learning to analyze parole data from New York and found that the New York State Parole Board could safely grant parole to more inmates, potentially doubling the release rate. The study suggests eliminating racial disparities in release rates while maintaining public safety.

Texas A&M research aims to improve Lyme disease diagnostics

Researchers at Texas A&M University are testing Raman spectroscopy as a diagnostic tool for Lyme disease, which shows promise in accurately identifying infected individuals. The new test could improve Lyme disease diagnosis and treatment outcomes for both humans and animals.

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.

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.

How old is your brain, really? Artificial intelligence knows

A new AI model developed at USC accurately captures cognitive decline linked to neurodegenerative diseases like Alzheimer's much earlier than previous methods. The model analyzes MRI brain scans and detects subtle brain anatomy markers that correlate with cognitive decline, offering an unprecedented glimpse into human cognition.

After 40 years of decline, stroke death rates are rising again

A recent analysis found a dramatic decline in stroke mortality between 1975 and 2019, but the trend is reversing due to an aging population. Despite this, researchers warn that total stroke fatalities will rise as millennials age, highlighting the need for novel strategies to combat the trend.

Meta Quest 3 512GB

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

Using intercropping systems for sustainable global agricultural production

A study of 226 agricultural experiments found that intercropping resulted in higher protein levels and more productive systems than monocultures. The research revealed that intercropping requires 19% less land to produce the same amount of grain, making it a promising strategy for sustainable global food production.

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.

Research could simplify process for calculating soil carbon credits

A study by the University of Illinois Agroecosystem Sustainability Center provides new insights for quantifying cropland carbon budgets and soil carbon credits. Researchers found that high-accuracy SOC concentration measurements are needed to quantify a cropland carbon budget, but current publicly available soil datasets are sufficient...

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.

Study illuminates sugar’s role in common kidney disease

Researchers discovered that sugar plays a key role in the formation of fluid-filled cysts associated with polycystic kidney disease (PKD). By understanding this process, they identified a potential new approach to treating PKD, focusing on blocking sugar absorption in the kidneys.

Caribbean breadfruit traced back to Capt. Bligh’s 1791-93 journey

A study led by Northwestern University has connected Caribbean breadfruit to its history, tracing five major lineages to Capt. Bligh's introduction in the Caribbean Sea. The research also found that original breadfruit tree cultivars have survived for centuries and are thriving.

Physicists confirm effective wave growth theory in space

Researchers observed energy transfer from resonant electrons to whistler-mode waves in space, confirming non-linear growth theory. This finding improves understanding of space weather's impact on satellites and could help protect astronauts.

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.

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.

Holes in T cells

Researchers discovered a previously unknown property of certain immune cells called Th17 cells, which produce the pro-inflammatory cytokine IL-1α. This finding sheds light on autoimmune diseases like rheumatoid arthritis in children and provides new insights into the defense against fungal infections.

Counter-rotating fates

A team of researchers from The University of Tokyo created a computer simulation to study the phase separation of counter-rotating particles in a fluid. They found that nonlinear turbulent effects lead to the sudden separation of particles into regions of clockwise and counterclockwise collections.

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.

Newly discovered anatomy shields and monitors brain

Researchers have identified a previously unknown component of brain anatomy, dubbed SLYM, which acts as a protective barrier and immune monitoring platform. The discovery is expected to shed light on the glymphatic system's mechanisms and its potential role in brain diseases like Alzheimer's.

URI researcher-led study opens oceans of possibilities

A University of Rhode Island professor's study has developed a macromolecular model of phytoplankton, which could have significant implications for climate research. The model predicts the variation in C:N:P ratios throughout the ocean, providing new insights into how phytoplankton respond to changing environmental conditions.

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.

New study suggests Mayas utilized market-based economics

A new study suggests that the Maya people utilized market-based economies in the midwestern Guatemalan highlands over 500 years ago. The research found that local people managed access to nearby obsidian sources and developed independent acquisition networks, similar to contemporary market-based economies.

Caribbean breadfruit is traced back to its Oceania origin 230 years ago

A new study published in Current Biology elucidates 230 years of Caribbean history, identifying eight major genetic lineages of breadfruit and their connections to Oceania. The research highlights the crop's potential as a sustainable and climate-resilient option for food security and sovereignty.

A legume locus stimulates promiscuous interaction with soil bacteria

A recent study discovered a legume locus that stimulates promiscuous interaction with soil bacteria, forming nitrogen-fixing nodules with up to 30 different rhizobial strains. This finding opens the door for crop improvement by naturally promoting plant growth through symbiotic associations.

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.

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.

Meaningful but unused products hinder sustainability

Researchers found that people's attachment to products can lead to less sustainable behavior, as they may limit use and buy more goods. Designers should prioritize well-made, enjoyable, and age-graceful products to promote long-term engagement and sustainability.

Electrochemistry converts carbon to useful molecules

A Cornell University collaboration has made an innovative discovery by incorporating carbon dioxide into organic molecules via electrosynthesis. The team successfully created carboxylated pyridines, which are vital to medicinal chemistry, using a novel electrochemical reactor setup.

Immotile cilia initiate left-right asymmetry during early development

Tiny immobile cilia in a cluster of cells called the left-right organizer convert biomechanical forces into calcium signals that trigger left-right asymmetrical development programs. This mechanism is evolutionarily conserved and plays a crucial role in breaking bilateral symmetry during embryogenesis.

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.