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Science News Archive November 2024


Page 22 of 44

Social media linked to early substance use in US pre-teens

A new study found that excessive social media use among 11-12-year-olds is associated with increased experimentation with substances like alcohol, nicotine, and cannabis. Schools and parents can play a crucial role in addressing this issue by implementing media literacy programs and monitoring content.

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.

How microbes create the most toxic form of mercury

Scientists at SLAC National Accelerator Laboratory have identified S-adenosyl-L-methionine as the unexpected donor of methyl groups in mercury transformation. The discovery could aid in developing effective environmental remediation strategies to address methylmercury poisoning, which can cause severe neurological damage.

NASA satellites reveal abrupt drop in global freshwater levels

A team of scientists using NASA-German satellites found evidence of a sudden and sustained decrease in global freshwater levels, which has remained low since May 2014. The study suggests that the shift could indicate Earth's continents have entered a persistently drier phase due to climate change.

Viscosity of materials key to cell differentiation

Researchers from IBEC have improved understanding of how MSCs sense environment viscosity, a key factor in differentiation into different tissue types. Viscosity affects cell behavior and promotes differentiation into softer tissues like cartilage.

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 shows how salmonella tricks gut defenses to cause infection

A new UC Davis Health study has uncovered the mechanisms by which Salmonella bacteria evade the body's natural defenses in the gut. The research found that Salmonella alters the gut's nutrient environment to fuel its replication in the large intestine, creating an imbalance that helps the pathogen survive. This new understanding could ...

Researchers uncover Achilles heel of antibiotic-resistant bacteria

Scientists have discovered a weakness in antibiotic-resistant bacteria that can be exploited to stop the spread of this public health crisis. By understanding the link between magnesium limitation and ribosome variants, researchers may develop novel drug-free approaches to combat antibiotic resistance.

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.

Long-lived Schrödinger-cat state achieves Heisenberg-limited sensitivity

Scientists have successfully created a Schrödinger-cat state with a minute-scale lifetime, significantly enhancing quantum metrology measurement sensitivity. The long-lived state exhibits enhanced magnetic field sensitivity and is immune to intensity noise and spatial variations of the optical lattice.

VUMC receives $3.3 million to combat preterm labor

Vanderbilt University Medical Center is developing novel uterine-targeted delivery systems for therapeutics known as tocolytics, aiming to improve maternal and fetal safety. The project, funded by ARPA-H and DavosPharma, seeks to prolong pregnancies and allow crucial development of significant organs.

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.

Metalenses harness AI for superior performance

Researchers have developed a deep-learning-powered metalens imaging system that overcomes limitations of traditional metalenses. The system pairs a mass-produced metalens with an image restoration framework driven by AI to achieve aberration-free, full-color images while maintaining compact form factor.

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.

Invisible touch: Stevens is giving AI the ability to feel and measure surfaces

Researchers at Stevens Institute of Technology have developed a method to enable AI to measure surfaces, opening up applications in medical diagnostics, manufacturing quality control, and more. The system uses photon-firing scanning lasers and AI models trained to detect speckle noise, allowing for accurate surface topography analysis.

How stress is fundamentally changing our memories

Researchers at SickKids have discovered that stress changes how our brain encodes and retrieves aversive memories, leading to generalized fearful responses. A promising intervention has been identified to limit this effect and potentially reduce the harm caused by PTSD.

Celestron NexStar 8SE Computerized Telescope

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

Stress makes mice’s memories less specific

Researchers found that acute stress prevents mice from forming specific memories, instead forming generalized memories encoded by larger numbers of neurons. Stress disrupts engram ensembles in the lateral amygdala, leading to a loss of memory specificity.

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.

The American Society of Tropical Medicine and Hygiene and the Bill & Melinda Gates Foundation announce new research fellowship in malaria genomics in honor of professor Dominic Kwiatkowski

The American Society of Tropical Medicine and Hygiene (ASTMH) has established a new research fellowship in malaria genomic epidemiology, honoring the late Professor Dominic Kwiatkowski. The fellowship aims to support early- to mid-career researchers from low- or middle-income countries in advancing malaria research.

Rainforest protection reduces the number of respiratory diseases

A study by the University of Bonn and Universidade Federal de Minas Gerais shows that forest protection measures significantly reduce particulate matter in the air, leading to a decrease in hospital stays and deaths due to respiratory diseases. Protective measures are estimated to save around 680 human lives per year.

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.

Material developed with novel stretching properties

The material exhibits unusual stretching characteristics, including compression in some areas and local stretching reactions at distant points. This sensitivity to loads makes it potentially valuable for engineering applications, such as monitoring building deformations or characterizing forces in cells.

One or many? Exploring the population groups of the largest animal on Earth

A team of researchers analyzed historical marking data from the Discovery Marking Program to investigate Antarctic blue whale population structure. They found frequent mixing among ocean basins, indicating a single circumpolar population. This study provides valuable insights into the conservation of this endangered species.

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.

“Jekyll and Hyde” leaders do lasting damage, new research shows

A new study from Stevens Institute of Technology found that 'Jekyll-and-Hyde' leadership takes a sharp toll on employees' morale and job performance. When supervisors alternate between abusive and ethical behavior, it creates uncertainty and erodes confidence in the supervisor's capabilities.

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.

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.

CU Anschutz study shows association between climate change and eye maladies

A new study from the University of Colorado Anschutz Medical Campus found a significant association between climate change and ocular surface eye conditions, particularly when particulate matter from air pollution was prevalent. The researchers discovered that clinical visits for ocular surface irritation and conjunctivitis more than d...

Researchers uncover mechanism of root morphology change and thickening

Scientists have discovered a molecular pathway controlling cell division orientation in plants, leading to enhanced crop resilience through reshaped root structures. The study identifies SPL13 as a critical regulator of root meristem development, promoting middle cortex formation and significant thickening of the meristematic zone.

Recycling batteries with citric acid

A novel citric-acid-based method has been developed to recycle metals from NCM cathodes with minimal energy usage and lower emissions. The process involves a relatively small amount of citric acid, allowing for efficient separation and reclamation of lithium, nickel, cobalt, and manganese metals.

uOttawa physicists make laser cast a shadow

Researchers at the University of Ottawa have demonstrated a new phenomenon where a laser beam casts a visible shadow, similar to traditional shadows. The study's findings suggest that under certain conditions, light can block other light, creating this effect.

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.

Can AI improve plant-based meats?

Stanford researchers developed a method to describe food texture with striking similarity to human taste testers using mechanical testing and machine learning. The study found that some plant-based products can already reproduce the whole texture spectrum of animal meats.

Zinc deficiency promotes Acinetobacter lung infection: study

A new study found that zinc deficiency promotes lung infection by Acinetobacter baumannii bacteria, which is a leading cause of ventilator-associated pneumonia. Blocking IL-13 prevented infection-associated death in an animal model, suggesting anti-IL-13 antibodies may protect against bacterial pneumonia in patients with zinc deficiency.

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.

$2.5 million grant fuels workforce development through mining education

The University of Arizona has received a $2.5 million grant from the Freeport-McMoRan Foundation to develop K-12 programs that educate teachers and students about responsible mining practices. The program aims to inspire students to pursue education and careers in the mining industry, particularly in sustainable materials and innovation.

Mass General Brigham researchers find too much sitting hurts the heart

A new study by Mass General Brigham researchers found that excessive sedentary behavior increases the risk of heart failure and cardiovascular death. Even among individuals who meet guideline levels of moderate-to-vigorous physical activity, sitting for extended periods can still pose significant health risks. The study's findings sugg...