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Science News Archive December 2022


Page 21 of 31

Study finds non-heavy alcohol use associated with liver fibrosis

Researchers found non-heavy alcohol use associated with liver fibrosis and at-risk nonalcoholic steatohepatitis (NASH) in a large cohort of participants. The study highlights the importance of reducing alcohol intake and adherence to US Dietary Guidelines for liver health.

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.

Immune system of modern Papuans shaped by DNA from ancient Denisovans

A recent study found that Denisovan DNA sequences near immune-related genes in modern Papuans regulate their activity, affecting how people respond to infections. The research suggests that Denisovan DNA contributed to the adaptation of early modern humans living in New Guinea and nearby islands.

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.

New treatments for Huntington’s disease

An interdisciplinary team from Erlangen has found a new treatment for Huntington's disease by accelerating the degradation of a specific messenger molecule necessary for protein synthesis. This reduces the huntingtin level in patients, offering new hope for long-term implementation of RNA-modifying approaches for fatal diseases.

Apple iPhone 17 Pro

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

Finding simplicity within complexity

A University of Houston researcher has developed a method to describe complex systems using the least number of variables possible, reducing complexity from millions to just one. This advancement speeds up science with efficiency and ability to understand and predict natural system behavior.

Antibodies to common antibiotic possible new risk factor for type 1 diabetes

A study found that antibodies to common antibiotic gentamicin are associated with an increased risk of progression to type 1 diabetes in children already genetically at risk. The researchers also identified an association between the FUT2 gene and the production of these antibodies, which may be compounding risks for type 1 diabetes.

Team undertakes study of lithium deposition behavior in hard carbon hosts

A team of researchers from Tsinghua University Press has developed a strategy to tackle the challenges of lithium metal anodes using hard carbon hosts. The study found that introducing lithiophilic sites and localized high-concentration electrolytes can moderate dendrite growth and inhibit volume expansion, resulting in a dendrite-free...

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.

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.

How a cell's mitochondria make their own protein factories

Researchers used cryo-electron microscopy to study mitoribosome assembly in yeast and humans, revealing similarities and differences in protein involvement and RNA folding. The findings provide insights into molecular complexity and diversity, with potential implications for severe diseases such as Perrault syndrome.

FSU research links common sweetener with anxiety

Researchers at Florida State University have found that aspartame, a common artificial sweetener, can cause anxiety-like behavior in mice. The study, published in the Proceedings of the National Academy of Sciences, suggests that aspartame's effects extend up to two generations from exposure, affecting male mice and their offspring.

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.

How intensive agriculture turned a wild plant into a pervasive weed

Research at the University of British Columbia found that intensive agriculture has driven rapid evolutionary change in waterhemp, a North American native plant, turning it into a problematic weed. The study compared genetic samples from modern farms and historical specimens to track evolution over two centuries.

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.

Explaining the DNA repair mechanism

A recent study has unveiled how nucleotide excision repair (NER) is controlled at the molecular level, shedding light on its role in cancer treatment. The research revealed that TFIIH uses XPG to stimulate motor activity and locate damaged DNA, licensing XPG nuclease activity to excise it.

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.

Smilodon's sabre teeth

A study by University of Liège researchers provides insight into the mechanisms of Smilodon's biting efficiency, using high-precision 3D scans and simulation methods. The results show that sabre-toothed predators can effectively hunt despite their long canine teeth.

Celestron NexStar 8SE Computerized Telescope

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

Low nutritional quality in vegetarian meat substitutes

A recent study by Chalmers University of Technology reveals that many vegetarian meat substitutes sold in Sweden are low in iron and zinc due to phytates. The researchers analyzed 44 different products and found that even fortified ones still contain phytates, which inhibit absorption.

Florida mints radiated as peninsula sank and resurfaced during ice ages

Research reveals that Florida's incredible plant diversity was shaped by the peninsula's repeated growth and shrinkage during ice ages. Scrub mints, a unique group of plants endemic to the southeastern US, radiated into multiple new species as they became isolated on islands due to sea level changes.

Some benefits, potential risks with alternative medicines for heart failure

A new American Heart Association scientific statement highlights the potential benefits and risks of complementary and alternative therapies for heart failure. The statement advises healthcare professionals to discuss CAM use with patients, monitor medication interactions, and consider pharmacists' consultations.

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.

Improving the accuracy of markerless gait analysis

Researchers developed a simple and accurate method for markerless gait analysis, combining RGB camera-based pose estimation with IMU sensor data. The new technique outperformed existing methods in measuring gait parameters and joint angles, showing significant promise for clinical settings and diverse applications.

Life-saving light beam to detect malaria

A new, non-invasive malaria detection tool developed by a University of Queensland-led team can quickly identify entire villages or towns suffering from the disease. The device uses infrared-light and is chemical-free, needle-free, and detects malaria through the skin.

Life in action: researchers capture 3D cellular dynamics across whole organism

A new mesoscopic oblique plane microscopy method captures up to three times more resolvable image points than other similar systems, enabling whole-body volumetric recordings of neuronal activity and blood flow dynamics. The technique allows for single-cell tracking within the complete 3D circulation system for the first time.

First-wave COVID-19 linked to long-term depressive symptoms

A study found that those who had COVID-19 in early 2020 were more likely to experience clinically meaningful levels of anxiety after 13 months. The researchers also identified possible reasons for the increased risk, including pre-existing mental health conditions and lifestyle factors.

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.

New lidar technique could help robotic vehicles land safely on Mars

Researchers developed a new lidar technique using 3D flash lidar combined with super-resolution algorithm for hazard avoidance during landing. The technique improved the precision and safety of robotic vehicles on Mars, enabling them to navigate through challenging environments.

Review of fluorescent probes for detecting G-Quadruplex DNA

G-Quadruplex DNA structures play a crucial role in regulating genes and cell processes, but their visualization is challenging due to the dynamic nature of double standard DNA. Fluorescence-active small molecule probes have emerged as a real-time visualization method, enabling researchers to detect G-quadruplexes with high selectivity.

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.

Microbial miners could help humans colonize the moon and Mars

Researchers at UCI and Johns Hopkins discovered that microorganisms can modify minerals through a biochemical process, inspiring new biomimetic mining methods. This discovery could enable humans to build colonies on the moon and Mars using microbes to extract essential minerals.

Finding faults deeply stressful

Researchers at Kyoto University have found that the Tohoku earthquake may have occurred upon a complete stress release, with data suggesting normal faults in both sedimentary formations above and below the plate boundary fault. This discovery provides insights into how fault slipping contributed to the devastating tsunami.

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.