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Science News Archive October 2021


Page 35 of 40

How ‘ice needles’ weave patterns of stones in frozen landscapes

Researchers discovered that ice needles growing on frozen ground can push up rocks into regular patterns through a combination of experiments and computer modeling. Over time, stones cluster together, leaving bare patches stone-free, as the size of the stones, soil moisture, and ice needle growth interact.

New insights on the diversity of the Iberian wild goat

A new study found that Iberian wild goat populations exhibit very low genetic diversity due to drastic population reductions and habitat destruction. The research also identified the existence of rare hybrids between Iberian wild goats and domestic goats.

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.

A sharp look into tiny ferroelectric crystals

Scientists have developed a method to precisely map the polarization pattern in thin ferroelectric layers, revealing new insights into the physics of these objects. The technique, combined with machine learning, allows for the spatial resolution of ferroelectric domains below 10 nanometers.

New catalyst helps combine fuel cell, battery into one device

Researchers at Washington University in St. Louis have developed a bifunctional catalyst for the oxygen electrode, enabling high round-trip energy efficiency in unitized regenerative fuel cells. The catalyst, Pt-Pyrochlore, has a bifunctionality index of 0.56 volts and achieved a RTE of 75%.

Hesitancy over the HPV vaccine has stabilized or risen in some subgroups

A recent study found that HPV vaccine hesitancy has either stabilized or increased in some ethnic and age groups, highlighting the need for targeted campaigns to encourage hesitant families. The study also identified several reasons why parents hesitate to vaccinate their children with the HPV vaccine.

Apple iPhone 17 Pro

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

Extinction and origination patterns change after mass extinctions

Scientists at Stanford University have discovered a pattern in how life reemerges after mass extinctions. In the past half-billion years, smaller marine genera were substantially more likely to be wiped out during mass extinction events, but during recovery intervals, originators tended to be tiny compared to holdover species.

Novel quantum effect discovered in naturally occurring graphene

Researchers have found a way to stabilize the novel quantum effect in graphene at room temperature, which could lead to breakthroughs in data storage and computer components. The discovery was made using standard microfabrication techniques and showed that the material can generate its own magnetic field.

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.

Toxic fatty acids to blame for brain cell death after injury

A new study found that toxic fatty acids produced by astrocytes can trigger cell death in damaged neurons, which may contribute to neurodegenerative diseases such as glaucoma and Alzheimer's. Blocking the production of these fatty acids in mice preserved 75% of neurons, suggesting a promising target for treatment.

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.

Do opinions regarding climate change adjust to economic conditions?

A new study published in Economic Inquiry finds that economic conditions affect climate change beliefs only among those in the labor force, while retired individuals and students remain unaffected. The analysis resolves conflicting results on the determinants of popular support for climate change initiatives.

Study gauges healthcare worker stress during pandemic

A new study found that healthcare workers, especially those under age 50 and women, experienced exceptionally high levels of stress during the first wave of the COVID-19 pandemic. The researchers analyzed data from an international questionnaire and discovered that paramedical staff had even higher stress levels than medical doctors.

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.

Intelligence emerging from random polymer networks

A team of researchers from Osaka University has designed a sulfonated polyaniline network for reservoir computing, achieving 70% accuracy in speech recognition tasks. The device uses an electrochemical approach and has potential applications in the development of artificial intelligence devices.

Line and hook fishing techniques in Epipaleolithic Israel

A study at Jordan River Dureijat site in northern Israel uncovered a wide variety of hook shapes and sinkers, indicating humans had profound knowledge of fish behavior. The findings coincide with the beginning of agriculture in the region, highlighting the importance of aquatic resources for human subsistence.

Meta Quest 3 512GB

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

Two new pit vipers discovered from Qinghai-Tibet Plateau

Researchers have identified two new species of venomous snakes, the Nujiang pit viper and the Glacier pit viper, found in the high-altitude regions of southwest China. The discovery suggests that glaciers may play a key role in isolating and speciating alpine pit vipers.

End-stage kidney disease and the power of decision-making

A new patient decision aid developed by Duke-NUS Medical School's experts empowers patients with ESKD to choose care strategies consistent with their values and goals. The tool provides a balanced overview of dialysis, kidney supportive care, and other treatment options.

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.

A high-risk, high-reward approach to ALS

Researchers will compare blood samples from 400 patients with ALS to a control group to determine the impact of environmental exposures on the disease. The team aims to develop personalized treatments by understanding how environmental toxins trigger ALS progression.

The microbiome: Battle of the bugs

A new study reveals that E. coli bacteria can prevent Salmonella infections by competing with them for sugar substrates in the gut. The research team found that specific strains of Lachnospiraceae anaerobic bacteria are essential for E. coli to effectively exclude Salmonella.

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.

Moffitt researcher receives NIH director’s New Innovator Award

Ana Gomes, a Moffitt researcher, has been awarded the NIH Director's New Innovator Award to investigate how aging affects cancer development and treatment resistance. She aims to develop new strategies for personalized cancer treatment based on cell changes that occur with aging.

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.

A robot that finds lost items

Researchers at MIT develop RFusion, a robotic system that uses data from a camera and radio frequency antenna to locate and retrieve lost items. The system relies on RFID tags and machine learning algorithms to optimize the robot's trajectory and grasp the object.

Vaginal birth may be safer for pregnant women with kidney and liver transplants

A new study found that pregnant women with kidney or liver transplants can safely undergo trial of labor without increased risk to themselves or their babies. In fact, vaginal births resulted in improved outcomes for the baby without compromising maternal health. Conversely, cesarean births were associated with higher risks of complica...

Fluke 87V Industrial Digital Multimeter

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

$18M NSF grant to build national semiconductor fabrication facility

The University of Arkansas will receive funding to build a unique production facility for silicon carbide integrated circuits, filling a void in US production. The open-access facility will provide opportunities for prototyping and device design, training the next generation of semiconductor researchers and engineers.

Worm mothers provide milk for their young

Researchers at University College London discovered that worm mothers secrete a milk-like fluid to support their offspring's growth. This unique selfless act helps explain mysteries about the biology of ageing in nematode worms, which could have far-reaching implications for understanding human ageing.

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.

Cachexia: How do immune responses contribute to weight loss?

Cachexia is characterized by weight loss and muscle tissue shrinkage, driven by the immune system's response to chronic infections and diseases. Researchers from CeMM emphasize the need for more research into cachexia, highlighting the importance of interplay between the immune system and metabolism.

Genes are individualists, not collectivists, during early fruit fly development

A new study published in Current Biology found that active genes do not form clusters and share resources during early fruit fly development. The researchers used high-resolution microscopy to visualize the physical position of active genes within the nucleus, observing that each gene has its own pool of transcriptional machinery.

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.

Chronic pain treatment should include psychological interventions

Psychological interventions are essential for chronic pain treatment in adults, addressing mental health and coping mechanisms that impact pain management. The study emphasizes the importance of integrating psychology into pain treatment protocols to enhance patient well-being.

Increase in fatal opioid overdoses after hospital discharge

Researchers investigated whether hospital admission and discharge are associated with increased risk of fatal drug overdoses. The study found that the first two days after hospital discharge is a critical moment for people who use illicit opioids.

Celestron NexStar 8SE Computerized Telescope

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

Sleep disorder linked to neurodegeneration is focus of $35 million US grant

An international team led by McGill University is developing biomarkers to identify people with REM sleep behavior disorder at risk of developing neurodegenerative diseases such as Parkinson's and dementia. The team will study over 430 participants, including those with the disorder and healthy controls, to develop targeted therapies.

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.