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Science News Archive January 2019


Page 36 of 37

A model for describing the hydrodynamics of crowds

Researchers developed a physical model describing crowd movement and behavior, predicting speed information spreads through the group like waves. The generic description can accurately predict crowd flows in various settings, with little variation between groups.

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.

What predicts teen partner rape?

Social scientists from Michigan State University identified consistent risk factors for partner rape among young women in their first relationships. Lower socioeconomic status, being of a younger age, and higher levels of physical abuse and coercive control predicted sexual violence. The researchers found that experiences with partner ...

Misperceptions about vaping common among UK smokers

A study by King's College London found that UK smokers and ex-smokers have common misperceptions about the harm from vaping. Only 57.3% correctly stated that vaping is less harmful than smoking, while 63.4% said nicotine replacement therapy (NRT) is less harmful.

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.

Researchers locate the body's largest cell receptor

A team of scientists has located the body's largest cell receptor, a mysterious structure that plays a crucial role in vitamin B12 absorption. The discovery, published in Nature Communications, sheds light on why people with specific genetic changes struggle to absorb the essential nutrient.

Apple iPhone 17 Pro

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

A 'bran' new way to preserve healthy food with natural ingredients

Researchers at Penn State developed a technique to extract and purify alkylresorcinols (ARs) from rye bran, which can act as antioxidants in emulsions. The study found that ARs were not as effective as synthetic or natural antioxidants but showed promise for future development.

Study identifies genetic mutation responsible for tuberculosis vulnerability

Researchers have discovered a genetic mutation that makes people vulnerable to tuberculosis, a condition affecting one in five people globally. The mutation, TYK2, increases the risk of developing TB by disrupting the immune system's ability to fight mycobacteria, making individuals more susceptible to infection.

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.

Physicists uncover new competing state of matter in superconducting material

A team of researchers has discovered a long-lived new state of matter in an iron pnictide superconductor, which reveals collective behaviors that compete with superconductivity. The discovery was made using laser-induced spectroscopy techniques, allowing for real-time observation of electron pairings and fluctuations.

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.

See invisible into HER catalysis

Researchers from the University of Science and Technology of China have developed an advanced characterization technique to study the realistic structure of catalysts in water electrolysis. The team used operando synchrotron radiation XAFS technology to identify the atomic-level structure and dynamic evolution of active sites in cobalt...

Surrey AI predicts cancer patients' symptoms

Researchers developed two machine learning models to predict cancer patients' symptoms like depression, anxiety, and sleep disturbance. The models accurately predicted the severity of these symptoms throughout treatment, suggesting a potential improvement in quality of life for cancer patients.

Computer model shows how to better control MRSA outbreaks

A new computer model simulates the spread of MRSA infections in hospitals and community settings, revealing hidden transmission dynamics and predicting patient infection risks. The model estimates that up to 61% of hospital-acquired MRSA infections are imported from the community.

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 catalytic flying carpet

Researchers at Pitt develop a two-dimensional, shape-changing sheet that wraps, flaps and creeps in a reactant-filled fluid. The team introduces a coating of catalysts on the flexible sheet, initiating motion and reconfiguration through catalytic chemical reactions.

Work-family conflict hits home

Researchers found that children's health is less negatively affected when parents have control over their work lives. Autonomous parents are better able to regulate themselves and their parenting, leading to healthier outcomes for their children. This suggests that workplaces can play a role in promoting job autonomy to support families.

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.

Long term ag change impacts stream water quality

Researchers found that sediment levels declined over the study period, while phosphorus levels increased after an initial decline. Nitrogen levels also decreased, indicating potential benefits to local freshwater ecosystems and the Gulf of Mexico.

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 does the brain learn by talking to itself?

Researchers decipher how brain's cortex processes sensory information and optimizes synaptic connections through feedback systems. This study sheds light on the mechanisms of perceptual learning and its potential applications in computerized learning systems and artificial intelligence.

Controlling neurons with light -- but without wires or batteries

A new optogenetic system allows for precise control of light intensity and frequency, enabling independent stimulation of multiple brain areas. The device is powered by external magnetic fields and causes no adverse effects, with potential implications for medical devices like pacemakers.

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.

Two possible new ways to treat silent seizures in children

A recent study characterizes silent seizures in a mouse model of Dravet syndrome and identifies the thalamus as a potential target to stop them. The researchers developed two new strategies to prevent non-convulsive seizures, which can disrupt consciousness and occur hundreds of times daily in affected children.

Ground breaking new saliva diagnostic test to help eliminate malaria

ERADA's Saliva-based Malaria Asymptomatic and Asexual Rapid Test (SMAART) detects a unique biomarker from female parasites circulating in an infected individual. Early detection of malaria is crucial to eradication, as carriers are the reservoir that leads to infection and transmission.

NIH study implicates hyperactive immune system in aging brain disorders

A NIH study suggests that hyperactive immune systems may contribute to the development of age-related brain disorders. Altering a key gene involved in early brain development led to increased autophagy failure and subsequent immune system attack on dopamine-releasing neurons, causing neurodegenerative damage.

Board independence protects firms from corporate misconduct

A meta-analysis of nearly 80,000 firms across 20 countries found that independent audit committees offer the strongest protection against corporate misconduct. The study also showed that national corruption can undermine the effectiveness of board independence variants in curbing misconduct.

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.

Study details poverty, lack of health insurance among female health care workers

A recent study by Massachusetts General Hospital and the Perelman School of Medicine found that 18% of employed women in healthcare work for low wages, with nearly half earning less than $15/hour. The research suggests that raising the minimum wage to $15/hour could decrease poverty rates among female healthcare workers by up to 50%.

No compelling evidence for health benefits of non-sugar sweeteners

A comprehensive review of 56 studies found no statistically significant differences in health outcomes between those consuming non-sugar sweeteners and those not consuming them. Non-sugar sweeteners were associated with slightly less weight gain, but the evidence was low-quality.

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.

A 'pacemaker' for North African climate

Researchers found the Sahara desert's climate swung between lush and arid conditions every 20,000 years, synchronized with monsoon activity. The study used sediment cores to analyze dust deposits and rare isotopes of thorium, revealing a 20,000-year beat that contradicts previous ice age cycle explanations.

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.

To head off late-life depression, check your hearing

A new study published in JAMA Otolaryngology-Head & Neck Surgery found that elderly individuals with age-related hearing loss had more symptoms of depression. The study analyzed data from 5,239 Hispanic participants and found a significant association between hearing loss and depressive symptoms.

Tackling key questions of Ordovician subdivision and correlation in China

The study analyzed the criteria and remaining issues in Ordovician System subdivision and correlation in China, identifying problems with boundary definition, stage durations, and isotopic dating. It also highlighted the importance of precise age determination for petroleum exploration and development in China.

Machine learning award powers Argonne leadership in engine design

Researchers at Argonne National Laboratory are using machine learning algorithms to optimize engine simulations, significantly reducing design time and increasing accuracy. The project aims to create a more efficient and emissions-free combustion process, with potential applications in the automotive industry.

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 way cool way to be': Study offers new insights into children with autism

Researchers from Brigham Young University successfully conducted structural and functional MRI scans of 37 children and adolescents with autism, including those with low verbal and cognitive performance, without sedation. The study found that the brains of individuals with autism exhibited decreased activity between hemispheres and hig...

Sex differences identified in deadly brain tumors

A recent study has found that standard treatment for glioblastoma is more effective in women than men, with tumor growth velocity showing a steady decline after treatment. The researchers identified distinct molecular signatures of the disease in men and women, which could lead to sex-specific treatment strategies.

Mystery of Yemen cholera epidemic solved

The strain of cholera causing the current outbreak in Yemen was estimated to come from Eastern Africa and entered the country through human migration. Genomic data analysis has enabled researchers to estimate the risk of future outbreaks and inform targeted interventions.

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.

Fewer monarch butterflies are reaching their overwintering destination

A new research study reveals that half of the monarchs in southern Florida originated from the American Midwest, challenging the long-held assumption of their core breeding range. This finding raises questions about the shrinking overwintering population in Mexico and suggests alternative migration routes.