Bluesky Facebook Reddit Email

Science News Archive February 2022


Page 26 of 40

Facial analysis improves diagnosis

Researchers developed an AI system called GestaltMatcher that uses facial characteristics to detect rare diseases with high accuracy. The system considers similarities between patients and can even suggest diagnoses for previously unknown diseases.

Chinese Satellite implicates global air quality during the COVID-19 pandemic

A Chinese satellite monitored a significant decrease in nitrogen dioxide emissions globally during the COVID-19 pandemic, with some cities experiencing sharp reductions after lockdown measures were implemented. The study also found decreases in formaldehyde and increases in volatile organic compounds in some regions.

Clarifying the complexities of communication across millennia in Mesoamerica

Researchers found that governance, rather than society size, plays a key role in determining the complexity of computational communications in prehispanic Mesoamerica. Computational communications were highly elaborate in areas ruled by autocratic rulers but less complex in areas with more collective power arrangements.

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.

Researchers reveal largest catalogue of gene activators

A team of researchers has identified over 250 gene activators in human cells, expanding our understanding of transcriptional regulation and its role in cancer. The study also reveals new insights into how proteins interact with each other to regulate gene expression, potentially leading to the development of targeted therapies.

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.

Black Death mortality not as widespread as long thought

A new study analyzing pollen samples from 19 modern-day European countries reveals the Black Death's mortality varied widely across Europe. While some areas suffered devastating impacts, others experienced no significant loss of life.

Preoperative prescribing of opioids in US

A US study analyzed opioid prescribing patterns before surgery, revealing that approximately 44% of patients received opioids as preoperative medication. The analysis spanned over a decade and examined the trend's impact on patient outcomes and potential risks.

How life came to Earth

A research team led by Dr. Serge Krasnokutski has discovered a reaction pathway that can form peptide chains under cosmic conditions without water. This finding suggests that the origin of peptides could be extraterrestrial in nature, challenging the conventional assumption that life emerged on Earth.

Apple iPhone 17 Pro

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

Analysis of vaccination rates, new COVID-19 infections in US counties

A study analyzed the association between vaccination rates and new COVID-19 infections in US counties from July to August 2021, finding a positive correlation between higher vaccination rates and lower new infection rates. The analysis used data from over 3,000 counties and shed light on the impact of vaccination on pandemic trends.

New assay shows promise for advancing personalized cancer treatment

Researchers have developed a rapid and affordable test to identify specific genetic mutations in cancer cells using SuperSelective PCR primers. This assay can detect rare mutations, enabling targeted therapy and monitoring minimal residual disease. The study demonstrates the potential of this approach for personalized cancer treatment.

P53 protein plays a key role in tissue repair, study finds

Researchers have discovered that p53 protein activates a molecular program turning damaged cells into migratory leader cells for quick epithelial repair. Once repaired, these highly migratory cells are eliminated to restore normal epithelial tissue structure.

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.

Analysis of 2,658 tumors sheds new light on mutations in cancer

A recent study by KU Leuven and The Francis Crick Institute analyzed 2,658 tumor samples and found that 21% exhibited double mutations in both maternal and paternal DNA copies. This discovery sheds new light on the origin of mutations and their role in cancer development.

European diets need to change to reduce climate impact

A new study finds that European diets must change to reduce climate impact, with feeding livestock low-opportunity-cost biomass offering a 31% reduction in greenhouse gas emissions. The EAT-Lancet diet, which recommends reducing animal-source foods like red meat, is at odds with circular food systems that prioritize land use efficiency.

Minority-serving institutions and grant review representation

A survey of Minority-Serving Institutions (MSIs) found that only 45% of respondents participated in grant review, compared to 76% at traditionally White institutions. Despite this, 76% of MSI scientists reported an interest in taking part in grant review.

Leicester computational modelling experts pioneer pest-busting model

Mathematicians at the University of Leicester have developed a new mathematical model that could greatly increase the efficiency of pest control. The model uses field data and computer simulations to predict the distribution of slugs in arable fields, accounting for individual creature movements.

Celestron NexStar 8SE Computerized Telescope

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

Can correcting micronutrient deficiencies help treat heart failure?

A review published in Journal of Internal Medicine suggests that micronutrient supplementation could represent an effective treatment for heart failure. Micronutrients like iron, selenium, zinc, and coenzyme Q10 can impact cardiac cells' energy production, contributing to the disease.

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 new era of research into laser-matter interactions

A new collection of papers provides insights into laser-matter interactions, which can induce highly nonlinear properties in matter. Researchers are developing new ways to use these interactions for biomedical imaging, particle acceleration, and precise etching techniques.

Problematic levels of loneliness widespread in many countries

A global analysis of loneliness prevalence found significant geographical variation and substantial gaps in data from low- and middle-income countries. The study suggests that addressing loneliness as a public health issue is crucial for reducing its negative effects on mental and physical health.

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.

Almost 1 in 3 older adults develop new conditions after covid-19 infection

A US study found that 32% of older adults who contracted COVID-19 in 2020 developed new or persistent conditions, with increased risks for respiratory failure, fatigue, high blood pressure, and mental health diagnoses. The study's results can help anticipate future health complications and improve healthcare resource planning.

Rethinking how to measure methane’s climate impact

A new Stanford University study reveals that using a 100-year timeframe underestimates methane's importance in achieving Paris Agreement climate goals by up to 87%. The researchers propose using a 24-year timeframe instead, which would ensure emissions of methane are weighted correctly over the time period before temperature thresholds...

Meeting the need for ventilators in low- and middle-income countries

The study proposes essential design features for mechanical ventilators to meet demand in low- and middle-income countries. A small battery, air compressor, gas cylinder or oxygen concentrator are necessary components to address electricity supply issues and make ventilators more sustainable.

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.

Climate drove 7,000 years of dietary changes in the Central Andes

A new study reveals that climate had a significant influence on diet in the Central Andes between 400 and 7,000 years ago. The researchers found that population size had little impact on dietary variation, except during the Late Horizon (~480-418 yBP), when diets became more similar due to the Inca Empire's centralized power.

Noted experts focus on spina bifida in a global context

This special issue of the Journal of Pediatric Rehabilitation Medicine showcases recent advances in spina bifida care management, education, and research. The article highlights the need for inclusive and culturally competent services, as well as innovative approaches to address challenges such as limited access and fragmented care.

Getting excited twice

A newly discovered brain circuit in the cortex and striatum may endow humans with the ability to learn new motor skills. Researchers found that spiny projection neurons (SPNs) are excited twice: first through direct routes and second through an indirect circuit, which amplifies the initial excitation.

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.

A respiratory model of COVID-19, made from patient-derived stem cells

A team of scientists has developed a three-dimensional airway model made from patient-derived stem cells to study COVID-19 infection. The model replicates the initial stages of infection and can be used to test potential antiviral drugs, with results showing that multi-ciliated airway cells are the primary entry point for the virus.

Study shows link between child poverty and mental health disorders in adulthood

A study by the Brazilian High-Risk Cohort Study for Childhood Psychiatric Disorders found an association between child poverty and externalizing disorders in adolescence and early adulthood. Child poverty was particularly harmful to women, increasing their risk of developing mental health problems and affecting educational attainment.

Researchers reveal evolution of Central Tibetan Valley

Researchers found that the Central Tibetan Valley was at a relatively low elevation of 1,700 m between 50–38 mya and rose rapidly to over 4,000 m between 38–29 mya. This rise led to significant climate change, transforming the region from a subtropical ecosystem to an alpine one.

Fueling a Hydrogen revolution

Researchers at the University of Tsukuba have developed a new technique for detecting hydrogen fuel cell failures using magnetic flux sensors. This breakthrough may lead to more reliable and efficient zero-emission vehicles with reduced carbon footprint.

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.

One out of Three People Exposed to Potentially Harmful Pesticide

A new study by George Washington University researchers found that human exposure to the chemical 2,4-D has been increasing significantly over the past decade. Children and women of childbearing age are at higher risk of exposure due to their sensitivity to the chemical.

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.

Overlooked disease: Tens of thousands of people have problems at work

A new study from the University of Copenhagen finds that people with migraine or frequent tension headaches face significant difficulties at work, including memory and decision-making problems. The study highlights the importance of workplace accommodations and support for those affected by these conditions.

Harvesting baker's yeast for ageing-related therapeutics

Scientists have engineered baker's yeast to produce D-lysergic acid, a medication used to treat neuro-cognitive diseases. This sustainable method could potentially produce up to five tons of DLA annually, reducing the environmental impact of industrial drug production.

Anastasios Kyrillidis wins NSF CAREER Award

Anastasios Kyrillidis has won a National Science Foundation CAREER Award to explore the theory and design of non-convex optimization algorithms. His research aims to devise algorithmic foundations and theory that will accelerate problem-solving in machine learning, information processing, and optimization.

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.

Optogenetic control of parathyroid hormone secretion to prevent bone loss

Researchers developed an optogenetic approach to control parathyroid hormone secretion and prevent secondary hyperparathyroidism-associated bone loss. The method partially attenuated SHPT-associated bone loss in animal models, suggesting its potential as a treatment for hyperparathyroidism-induced bone disease.

Sanctuary city policies linked to lower crime rates in recent years

Research found sanctuary city policies decrease crime rates compared to counties that comply with ICE detainer requests. Implementing a sanctuary policy is associated with a significant drop in violent crimes, providing evidence of increased law enforcement effectiveness and decreased crime costs.

Common virus may cause serious disease in transplant patients

A human polyomavirus (HPyV9) has been identified as a cause of severe skin rash and subsequent organ failure in solid organ transplant recipients. Routine testing for the virus is now recommended to prevent such cases, with the use of a new technique called VirCapSeq-VERT.

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.