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Science News Archive March 2020


Page 10 of 41

How well do you know the back of your hand, really?

A study by York University researchers found that the brain's representation of the back and palm of the hand are different. The perceived width of the back of the hand changes depending on its orientation, but the palm's size is accurately judged.

Small horses got smaller, big tapirs got bigger 47 million years ago

Researchers found that ancient horse body sizes shrunk over time due to faster reproduction rates and shorter lifespans. In contrast, big tapir ancestors grew larger as they lived longer and had more resources for reproduction. The study provides new insights into mammal evolution using exceptionally preserved fossils from Germany.

Apple iPhone 17 Pro

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

Telemedicine reduces mental health burden of COVID-19

A new study published in Telemedicine and e-Health highlights the effectiveness of telehealth in reducing depression, anxiety, and PTSD symptoms among COVID-19 patients. The study emphasizes the importance of mental health support, especially via telehealth, to maintain psychological well-being during the pandemic.

Global surgical guidelines drive cut in post-surgery deaths -- study

A new global guideline aims to reduce post-surgical deaths by improving practice in surgery, particularly in low- and middle-income countries. The guideline recommends nine essential steps to prevent Surgical Site Infections (SSIs), which can significantly improve patient outcomes.

CUNY New York City COVID-19 Survey week 2

A recent survey of NYC residents found that nearly 3 in 10 reported losing their jobs due to coronavirus. Additionally, 80% experienced reduced ability to get food they need, and two-thirds lost social connections. The findings highlight disproportionate impacts on Hispanics, lower-income city residents, and middle-aged respondents.

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.

Recipe for neuromorphic processing systems?

Researchers developed a recipe for creating ideal hybrid memristive-CMOS neuromorphic computing systems, exploiting the advantages of low-precision, noisy, and variable neurons. This work aims to enable compact and efficient real-time processing for applications such as bio-signal processing and brain-machine interfaces.

Sandia initiatives to protect US energy grid and nuclear weapons systems

Sandia's Resilient Energy Systems campaign aims to defend large electrical utility systems against cyberhacks, electromagnetic disturbances, and natural disasters. The Assured Survivability and Agility with Pulsed Power research campaign explores technologies to simulate nuclear explosions without actual tests, aiming to maintain the U...

Creating stretchable thermoelectric generators

Researchers at Linköping University have developed a soft and stretchable organic thermoelectric module that can harvest energy from body heat. The breakthrough was made possible by a new composite material with high electrical conductivity and good thermoelectric properties.

Shining light on sleeping cataclysmic binaries

A new study models the life cycle of cataclysmic binaries, confirming that observable novae are just a small fraction of these systems. The research shows that most binaries spend 90% of their lifetimes in a detached state, waiting to be detected.

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.

Brain or muscles, what do we lose first?

Researchers from UNIGE used a database of over 100,000 people to study the relationship between physical and cognitive abilities after 50 years of age. They found that cognitive decline precedes physical activity, suggesting prioritizing brain exercise may slow down an inevitable decline.

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.

eDNA provides researchers with 'more than meets the eye'

Researchers used eDNA metabarcoding to detect biodiversity in two regions of Western Australia, finding that bulk arthropods and animal droppings detected the most species. The study suggests that eDNA can be a fast and accurate tool for biomonitoring, but careful surveys are needed to avoid contamination from outside organisms.

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.

A molecule that directs neurons

A genetic study by the University of Trento identified a crucial molecule (Wnt inhibitory factor 1, Wif1) in the correct composition of habenula neurons and their connectivity. This discovery may provide new insights into the causes of neurological disorders like autism.

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.

Is step count associated with lower risk of death?

Researchers analyzed data from nearly 5,000 adults and found that taking more steps was associated with a reduced risk of death. Higher step intensity also showed a significant association with lower mortality rates, suggesting that stepping is a crucial factor in overall health.

Crumpled graphene makes ultra-sensitive cancer DNA detector

Researchers at the University of Illinois created a crumpled graphene sensor that detects ultra-low concentrations of disease markers in blood or serum, improving sensitivity ten thousand times over current designs. This breakthrough enables rapid diagnosis and could lead to portable, handheld devices for monitoring various biomarkers.

Sky-Watcher EQ6-R Pro Equatorial Mount

Sky-Watcher EQ6-R Pro Equatorial Mount provides precise tracking capacity for deep-sky imaging rigs during long astrophotography sessions.

Molecule co-discovered at UL leads to breakthrough on how data is stored

Researchers at University of Limerick's Bernal Institute have helped discover a molecule that can switch between three distinct states, paving the way for low-energy data storage and processing. This breakthrough could have a major impact on the Internet of Things (IoT) and Artificial Intelligence (AI) applications.

Engineers model mutations causing drug resistance

Engineers have developed a method to predict which mutations will occur in people, making it easier to create effective pharmaceuticals. The researchers used algorithms similar to those used in chemical physics to model how evolution works and found that biased random events play a big part in the evolution of resistance in leukemia.

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.

Rats give more generously in response to the smell of hunger

Researchers found that rats prioritize providing food assistance to those in need, as indicated by the 'smell of hunger'. Seven volatile organic chemicals differed significantly between hungry and satiated rats, serving as a reliable cue for reciprocal cooperation.

New study: Cannabis helps fight resistant bacteria

A new study published in Scientific Reports found that cannabidiol (CBD) enhances the effect of antibiotics against Staphylococcus aureus bacteria, a major human pathogen. The combination of CBD and antibiotics showed a more powerful effect than using antibiotics alone, reducing the need for antibiotics to achieve the same outcome.

Mechanical forces shape bacterial biofilms' puzzling patterns

Bacteria form intricate starburst-like patterns as they grow on soft substrates, with wrinkles forming at the edges and propagating toward the center. The researchers developed a chemo-mechanical model to predict where wrinkles would form, corresponding well with experimental measurements.

Researchers develop language test for people with Fragile X syndrome

A new test measures expressive language skills in individuals with Fragile X syndrome, helping increase participation in clinical studies aimed at improving intellectual and cognitive functioning. The test's reliability and validity were demonstrated through consistent scores across multiple administrations.

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.

Plants and animals aren't so different when it comes to climate

A new study published in Nature Ecology and Evolution found that plants and animals share similar patterns of niche evolution in response to climate change. The research analyzed climatic data from 952 plant species and 1,135 vertebrate species, revealing that both groups have a narrow breadth of tolerated environmental conditions.

New model helps explain seasonal variations in urban heat islands

The new coarse-grained model explains how seasonal changes in rainfall, solar radiation, and vegetation conditions affect surface urban heat islands at a city-wide scale. It provides general insights for city planners and scientists to design heat mitigation strategies.

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.

Planning for future water security in China

A new study found that China's water use has decelerated since the 1980s due to the adoption of efficient irrigation techniques and industrial water recycling technologies. However, uncertainties remain due to land institution transitions, urbanization, and potential increased water use in intensive farming and industrial sectors.

Higher daily step count linked with lower all-cause mortality

A new study found that taking higher daily step counts is associated with a lower risk of death from all causes. The study tracked over 4,800 U.S. adults and found that those who took 8,000 steps per day had a 51% lower risk compared to those who took 4,000 steps.

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.

Obama's 2008 election improved mental health of black men, research shows

New research from Rice University found that Barack Obama's 2008 presidential election improved the mental health of black men, with an average decrease in poor mental health days from four to three. However, this benefit did not extend to black women, who reported a slight increase in mental health problems following the election.

Study challenges common view of oxygen scarcity on Earth 2 billion years ago

Researchers found strikingly high molybdenum, uranium, and rhenium concentrations in drill cores from shungite rocks, suggesting elevated oxygen levels at the time of their deposition. The discovery contradicts prevailing models of Earth's carbon and oxygen cycles and has implications for understanding the evolution of complex life.

Researchers unveil framework for sharing clinical data in AI era

A new framework has been developed to share clinical data for research and AI algorithm development, prioritizing patient privacy and ethical standards. The framework supports the release of de-identified and aggregated data, with safeguards in place to protect patient identity.

Eye blinking on-a-chip

Kyoto University scientists develop a device that mimics the movement of tears and blinking eyes, allowing for more accurate testing of ophthalmic drugs. The device shows promise in increasing filament production in corneal cells, potentially leading to improved ocular drug development.

Diet quality of young people in US

The study analyzed national survey data to estimate overall diet quality among US children and teens from 1999 to 2016. Researchers found a significant improvement in dietary habits, with reduced consumption of unhealthy foods and increased intake of fruits and vegetables.

Celestron NexStar 8SE Computerized Telescope

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

Old human cells rejuvenated with stem cell technology, Stanford-led study finds

Researchers at Stanford University School of Medicine have successfully rejuvenated old human cells using stem cell technology, rewinding molecular hallmarks of aging and rendering treated cells nearly indistinguishable from their younger counterparts. The study found that exposure to specific proteins, known as Yamanaka factors, can i...

Scientists investigate why females live longer than males

A study of 101 wild mammal species found that females lived 18% longer than males for over 60% of the species, with a similar gap in humans. The researchers suggest complex interactions between environmental conditions and sex-specific costs of reproduction may contribute to this phenomenon.

High-efficiency laser for silicon chips

Scientists have created a compatible semiconductor laser made of germanium and tin, with efficiency comparable to conventional GaAs semiconductor lasers on Si. The new laser can be manufactured during the CMOS production process, reducing waste heat and enabling continuous operation.

Lack of media skepticism tied to belief in rape myths

A new study co-led by a Cornell researcher found that individuals who recognize similarities between people they know and those depicted in the media are more likely to believe common rape myths. Media literacy education could help raise awareness about sexual violence and improve prevention programs on college campuses.

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.

More men, more problems? Not necessarily, FSU study finds

A new FSU study suggests that competition for mates leads to increased risk-taking and aggression in men, but also reveals a lesser-known female response: settling down quickly to avoid competition. The study found that when women outnumber men, they become more open to casual relationships and less likely to get married.

Changing how we think about warm perception

Researchers at MDC found that mice detect warmth and cooling with the same acuity as humans, relying on a population of neurons increasing activity during warming. Blocking neural pathways associated with warming reveals perception is diminished but not gone.

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.