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Science News Archive August 2022


Page 28 of 38

How college students perceive academic stress affects their mental well-being

A Rutgers study found that nonbinary and female college students, as well as those in their second year, are most affected by academic stress, leading to poor mental well-being. The researchers recommend colleges provide tailored mental health resources, stress-management strategies, and peer support groups to help build resilience.

Apple iPhone 17 Pro

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

Rice models moving ‘washers’ that help DNA replicate

Researchers have modelled a key mechanism by which DNA replicates, revealing details about how helicases wrangle DNA during replication. The simulations showed each step of translocation can travel more than 12 nucleotides along the backbone, pinpointing interactions involved in long-distance movement.

Body posture affects how oral drugs absorbed by stomach

A new study uses a biomimetic in-silico simulator to investigate the effect of body posture and stomach motility on oral drug bioavailability. The simulation reveals that stomach contractions can induce pressure, generating complex pill trajectories and affecting drug dissolution rates.

Banana peels make sugar cookies better for you

Researchers found that incorporating banana peel flour into sugar cookie batter makes the treats more healthful. The addition of banana peel flour resulted in cookies having less fat and protein, higher amounts of phenols, and better antioxidant activities compared to conventional cookies.

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.

A role for cell ‘antennae’ in managing dopamine signals in the brain

A new study found that neuronal cilia play a crucial role in ensuring proper signaling of dopamine receptors, which regulate motivated behavior and movement. Mice lacking functional cilia on dopamine receptor 1-expressing neurons became obese and sedentary, highlighting the importance of cilia in dopamine-dependent neural signaling.

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.

BU study: BCG vaccine prevents tuberculosis in young children, but not adults

A recent study suggests that the BCG vaccine is effective in preventing tuberculosis (TB) in children under 5 years old. However, adolescents and adults may require additional protection to maintain immunity beyond childhood. The researchers emphasize the need for booster vaccinations and new TB vaccines to supplement the BCG vaccine.

A new way to detect infection

Scientists have discovered a new way to detect infection by sensing physical forces produced by bacterial invasion. Cells use mechanosensor protein PIEZO1 to detect changes in surface tension, triggering an early and fast immune response.

Drought increases microbe-laden dust landing in Sierras

Research shows higher concentrations of pathogenic dust landing at lower elevations in the Sierra Nevada mountains, carrying fungi and bacteria that can cause crop failures and human respiratory disease. The study highlights the increasing threat of microbe-laden dust as the Earth dries out.

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.

Ultrasound could save racehorses from bucked shins

Researchers have developed an ultrasound method that can screen for bucked shin in young horses, a condition that occurs in about 70% of animals during training. The technique uses axial transmission to detect irregularities in bone formation, allowing for early diagnosis and treatment.

Scientists issue plan for rewilding the American West

A team of US scientists proposes a 'Western Rewilding Network' to conserve and restore ecosystems in the region. The plan aims to reintroduce keystone species like gray wolves and North American beavers to promote biodiversity and ecosystem health.

WVU researcher making sense of brain circuits with $1.6M NSF grant

A WVU researcher is studying corollary discharge circuits in fruit flies to better understand how the brain integrates sensory information and coordinate movement. The goal of this research is to shed light on human disease and human performance, with potential applications for improving fighter pilot safety.

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.

Meta Quest 3 512GB

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

New antibiotic resistance genes identified in tuberculosis

A massive analysis of over 10,000 Mycobacterium tuberculosis isolates revealed new genes associated with resistance to 13 antibiotics. The study provides a comprehensive framework for understanding the genetic mechanisms of resistance and identifying diagnostic gaps.

Increase in non-COVID-19 respiratory infections predicted this winter

A new study published in The Lancet Regional Health – Europe found that over 55% of respiratory disease hospitalisations during the pandemic's peak were caused by non-SARS-CoV-2 infections. Non-COVID-19 respiratory infections are expected to increase this winter, posing a significant burden on healthcare systems.

Cedars-Sinai creates most realistic computer models of brain cells

Researchers at Cedars-Sinai created complex computer models of individual brain cells using artificial intelligence. These models capture the electrical signals that neurons fire to communicate with each other, allowing researchers to replicate brain activity at the single-cell level.

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.

Robot helps reveal how ants pass on knowledge

Scientists created a robot that mimics rock ants' one-to-one tuition to understand teaching methods. The study found the robot successfully taught route to an apprentice ant, which then learned and led others, revealing key elements of teaching in these ants.

AI pilot can navigate crowded airspace

Researchers at Carnegie Mellon University have developed an AI pilot that can safely navigate crowded airspace by predicting the intent of other aircraft and avoiding collisions. The AI uses vision and natural language processing to communicate with other aircraft, enabling safe and socially compliant navigation.

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.

Ridge-to-reef ecosystem census reveals hidden reservoir for microbiomes

A team of researchers at the University of Hawaii collected over 3,000 microbial samples from Waimea Valley's watershed, discovering that microbes follow the food web and are maintained within soil and stream water. The study also found that local distribution of a microbe predicts its global distribution.

Cleaner air as a result of coronavirus lockdown

The COVID-19 lockdowns led to a significant reduction in soot emissions in Europe, with an average decrease of 41% in the lower troposphere. This improvement in air quality is attributed to reduced fossil fuel burning and limited travel.

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.

Chemical fixation causes aggregation artefact

Atomic force microscopy studies reveal that chemical fixation leads to structural changes in cell surfaces, forming large protrusions with diameters of 20-100 nanometers. Membrane proteins aggregate during fixation, creating artefacts that can mislead experimental results.

Heat and manipulate, one cell at a time

Researchers at Kanazawa University create a nanoparticle called nanoHT that can both generate heat and measure temperature, allowing for controlled manipulation of cellular activity. The technology shows promise in inducing cell death in cancer cells, with HeLa cells dying after heating by 11.4°C.

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.

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.

Simulations provide map to treasure trove of fluorinated compounds

Researchers at Hokkaido University used computer simulations to discover a reaction that selectively adds two fluorine atoms to a difficult-to-access position on an N-heterocycle. The successful synthesis of 48 new compounds with unique alpha position fluorine substitutions has significant potential for novel drug development.

Robotic motion in curved space defies standard laws of physics

Scientists have created a robot that moves without pushing against anything in curved space, defying the law of conservation momentum. The research challenges physical laws and intuition designed for flat space, with potential applications in space navigation and robotics.

New AI technology integrates multiple data types to predict cancer outcomes

Researchers have developed a proof-of-concept model that uses artificial intelligence to combine multiple types of data from different sources to predict patient outcomes. The models demonstrate the ability to make prognostic determinations while uncovering the predictive bases of features used to predict patient risk.

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.

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.

Fatigue, headache among top lingering symptoms months after COVID

A study by Medical College of Georgia at Augusta University found that fatigue and headache were the most common lingering symptoms after COVID-19, reported by 68.5% and 66.5% of participants, respectively. Cognitive impairment, depression, and anxiety were also prevalent among participants.

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.