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Science News Archive 2021


Page 213 of 510

Caring for the physical health of those with mental illness

Researchers developed a peer-led intervention called the Bridge that helps patients prioritize their health, access healthcare, and develop skills to self-manage their health. The approach showed a 50% reduction in emergency room use for participants in the intervention group.

The hidden culprit killing lithium-metal batteries from the inside

Scientists have long struggled to make reliable lithium-metal batteries due to high failure rates and safety issues. New nanoscale images reveal a hard buildup of solid electrolyte interphase, which tears holes in the separator and allows metal deposits to form a short, leading to catastrophic device failure.

Genome studies: More is not always better

A recent study found that genome-wide association studies (GWAS) often miss important associations between genotype and phenotype due to high genetic heterogeneity, but examining smaller, genetically homogeneous samples yields valuable new insights

Trust me, I'm a chatbot

Researchers at Göttingen University found that customers tend to react negatively to chatbots initially, but positive reactions occur when mistakes lead to a deeper understanding of issues. Disclosing chatbot presence can actually improve customer loyalty in cases where errors occur.

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.

New system for tracking macaws emphasizes species' conservation needs

A long-term study tracked macaw movements using satellite telemetry over eight years, revealing large home ranges and daily travel distances. The research highlights the importance of conservation strategies for the scarlet macaw and similar species, which share habitats with endangered species and influence ecosystems.

New study from Monterey Bay Aquarium puts disparities of climate change on the map

A new study from Monterey Bay Aquarium illustrates the disparity between global emissions and local climate change impacts. The research shows that regions generating most emissions are different from those expected to experience the greatest warming, with 90% of all greenhouse emissions originating from just 8% of Earth's surface area.

'Neuroprosthesis' restores words to man with paralysis

UCSF researchers successfully developed a speech neuroprosthesis, enabling a paralyzed man to communicate in sentences by translating brain signals into words. The technology promises more natural communication for people with speech loss and could one day enable thousands of individuals to fully communicate.

Apple iPhone 17 Pro

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

Integration of social care into health care: Our collective path ahead

Researchers emphasize the need for collaborative efforts among healthcare systems, policymakers, and payers to integrate social care into healthcare. They highlight the importance of evidence-based practices, improved training, and sustainable funding streams to address health inequities and achieve health equity.

A hitchhiker's guide to manta rays

Research in Maldives reveals diverse associations between manta rays and 'hitchhiker' fish. New species of symbionts were discovered, expanding our understanding of these unique relationships.

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.

Encrypting photos on the cloud to keep them private

A new system, dubbed Easy Secure Photos (ESP), encrypts photos uploaded to cloud services, protecting them from attackers and the cloud services themselves. Users can visually browse and display encrypted images as if they weren't encrypted.

Researchers discover how hunger boosts learning about food in mice

Researchers used genetically engineered mice to study the AgRP hunger neurons, finding that fasting activates these cells, while food cues inhibit their activity. The team discovered that the aversive feeling caused by hunger enhances learning, making dieting difficult due to this persistent sensation.

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.

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.

Newfound human brain cell type helps center people in mental maps

Researchers identified egocentric bearing cells in the parahippocampal cortex, which encode spatial information on a mental map centered on each person. These cells play a role in both navigation and memory, particularly in processing spatial information of memories.

Visibly transparent radiative cooler under direct sunlight

Researchers developed a transparent radiative cooler that transmits visible light while reflecting near-infrared light, radiating heat in the atmospheric window. The material lowered interior temperatures by up to 14.4°C and exterior temperatures by 10.1°C in outdoor experiments.

Virtual care: Choosing the right tool, at the right time

A family physician discusses how media synchronicity theory principles guide his practice, prioritizing patients' access to diverse care options and efficient technology use. He emphasizes the importance of guiding patients towards the right care medium in the correct order to achieve optimal healing outcomes.

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.

The delicate balance of protecting river deltas and society

A new study by researchers at the University of Texas at Austin aims to find a balance between protecting society from flooding and preserving environmental and cultural viability in urban river deltas. The tool uses a cost-benefit model to examine how to balance natural function with societal desire for landscape stability.

Jets pose many riddles

Researchers aim to understand jets' composition and launch mechanisms by combining theory, observation, and modelling. The goal is to develop a concordance model of jets, overcoming historical divisions between scientific approaches.

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.

Obstacles on the racetrack of life

Researchers discovered that the protein SPT6 is essential for the arrival of RNA polymerase at the end of a gene, producing functional mRNA. Without it, the polymerase destroys obstacles, making it impossible for functional RNA polymerases to find their way.

Survival for babies born with a birth defect - a "post-code lottery"

A study published in The Lancet found that survival rates for babies born with intestinal tract birth defects differ significantly across countries, with low-income countries facing a higher mortality rate. Improving antenatal diagnosis, surgical care, and perioperative care are key to increasing survival rates, the researchers say.

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.

Simulating microswimmers in nematic fluids

The study reveals that microswimmers propel themselves through nematic liquid crystals with non-random trajectories to minimize elastic energy. The speed of a microswimmer varies depending on whether it pushes or pulls the surrounding fluid, and becomes slower when pushing with a stronger force.

Mechanical stimuli significantly influence organ growth

Researchers at TUM used organoids to investigate mechanical influences on organ growth, finding that collective cell movements deform collagen matrix, controlling further growth. This discovery provides a new model for simulating and investigating organ development.

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.

COVID-causing coronavirus following predictable mutational footsteps

Researchers at the University of Nebraska-Lincoln discovered that SARS-CoV-2 mutations occur in predictable locations, similar to its closest relatives. This finding helps inform predictions of how the virus will continue to evolve and could aid in developing effective vaccines.

Study reveals new aspects of gingivitis and body's response

Researchers identified three oral inflammation phenotypes: high, low, and slow responses. The 'slow' response was found in subjects with low clinical responses and demonstrated a delayed strong inflammatory response. A novel protective mechanism, utilizing neutrophils, was also discovered to save tissue and bone during inflammation.

Decoding crop genetics with artificial intelligence

A team of scientists from Michigan State University is using artificial intelligence to analyze plant genomes and predict the functions of unknown genes. With a $1.4 million NSF grant, they aim to help farmers grow crops that can withstand drought and disease.

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.

Stopping illegal trade of Aussie lizards

Researchers found clear evidence of shingleback lizard poaching and smuggling for the exotic pet trade. The study highlights a major loophole in Australian legislation that is being exploited to export native live species internationally.

Language isolation affects health of Mexican Americans

A new study from the University of Georgia reveals that older Mexican Americans living in linguistically isolated neighborhoods face significant health risks, including higher mortality rates. The researchers found that language barriers hindered access to healthcare and social connections, leading to poorer health outcomes.

New evidence of menopause in killer whales

Researchers found menopause in two distinct killer whale ecotypes, with striking similarities between them. The study suggests that the evolutionary benefits of grandmothering may be a key factor in the development of menopause.

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.

This device harvests power from your sweaty fingertips while you sleep

Researchers have developed a new, efficient on-body energy harvester that produces 300 millijoules of energy per square centimeter without mechanical input. The device is powered by lactate in sweat and can be worn on the finger, making it suitable for self-sustainable wearable electronics.

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.

USC study shows dire impacts downstream of Nile River dam

A new USC study forecasts significant water shortages downstream of the Grand Ethiopian Renaissance Dam, which could reduce Egypt's water supplies by over one-third. The research projects economic losses to agriculture reaching $51 billion, with potential unemployment of 24% and displacement of people.

How well do consumers understand their dairy purchases?

A study of over 1,200 consumers found that many are unfamiliar with common dairy processing terms and perceive them as unnatural. Providing education about these terms improves understanding, leading to increased positive perception and purchases.

Cuts to local government funding in recent years cost lives, study finds

A new study found that decreases in local government funding over recent years probably contributed to declines in life expectancy in some areas of England. The research linked annual local government funding data with life expectancy and mortality data between 2013 and 2017, revealing a significant impact on the most deprived areas.