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Science News Archive 2021


Page 155 of 510

Low-sodium salt prevents stroke

The Salt Substitute and Stroke Study found that replacing regular salt with low-sodium alternatives lowers the risk of stroke, cardiovascular events, and mortality. The study also showed no increased risk of serious adverse events related to hyperkalaemia, providing clear evidence for an effective and affordable intervention.

Struggling to learn a new language? Blame it on your stable brain

A study published in Proceedings of the National Academy of Sciences has shed light on why it's difficult to learn a second language as an adult. Researchers found that clusters of neurons in the speech cortex fine-tune themselves as listeners gain familiarity with foreign sounds, indicating a crucial step in language learning.

Can devices that never wear out come into reality?

Scientists at Tsinghua University have successfully created micro-scale devices that can slide for up to 100 km without wear or friction. The devices use structural superlubricity, which enables near-zero friction and zero wear during sliding, making them suitable for a wide range of applications.

Meta Quest 3 512GB

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

Lattice softness: Key to the identification of metals with high

Researchers have discovered that lattice softness is the dominant factor affecting a metal's ability to hydrogenate, enabling the expedited development of hydrogen storage materials. This parameter can also be used to evaluate the hydrogenation ability of intermetallic compounds.

Association of lifting eviction moratorium, COVID-19 infection risk

Residents in states that lifted eviction moratoria had a higher risk of receiving a COVID-19 diagnosis 12 weeks later compared to those with still-active moratoria. The association grew stronger over time, especially among individuals with pre-existing medical conditions and lower socioeconomic status.

Citrus canker bacterium can be an ally in biorenewables manufacturing

A study reveals the biological process used by Xanthomonas to weaken plants' defense systems and discovers a novel class of enzymes called CE20 that can assist infection. This discovery contributes to developing strategies to combat citrus canker and obtaining advanced sugars from agroindustrial waste.

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.

‘Smart’ shirt keeps tabs on the heart

A Rice University lab developed a 'smart' shirt that gathers accurate EKGs and heart rates using conductive nanotube thread. The fibers, just as conductive as metal wires but washable and comfortable, provided better data than standard chest-strap monitors.

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.

Oncotarget: RNA expression differences between Black and White Americans

Researchers discovered downregulated immune responses and upregulated T cell-exhaustion pathways in African American patients compared to European Americans. These findings suggest striking differences in immunoregulatory gene activities that may contribute to the worse prognosis of prostate cancer in Black Americans.

Upcycled manure may ignite new sustainable fertilizing trend

Researchers at Cornell University have discovered a way to transform cow manure into a manageable, ecologically friendly biochar fertilizer through pyrolysis. This process reduces water content from 90% to zero, alleviating environmental issues and saving farmers money.

Learning from a ‘living fossil’

A Spartan-led team has assembled the most complete picture of the bowfin genome to date, revealing striking similarities between bowfin gas bladder development and human lung development. This breakthrough provides a better model for studying human health and disease, with potential implications for understanding evolutionary history.

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.

Biofuel potential from wastewater ponds

Researchers at Flinders University have created a cost-effective way to harvest microalgal biomass from wastewater ponds, producing a sustainable source of biofuels. The high-rate algal pond model uses algae and bacteria to treat wastewater, reducing treatment time to 5-10 days and minimizing costs.

AI helps to spot single diseased cells

Researchers developed scArches to compare single-cell genomics data with existing references, enabling accurate diagnosis of diseases like COVID-19. The algorithm uses transfer learning to preserve privacy and democratize the usage of single-cell reference atlases.

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.

Robot-assisted therapy can help treat stroke survivors, study finds

Researchers at UTHealth found that exoskeleton-assisted rehabilitation can be beneficial for stroke survivors, correcting impaired walking patterns and increasing motor coordination. The study used the Ekso 1.1 exoskeleton to guide patients with chronic post-stroke hemiplegia or hemiparesis in a 10-15 session training program over thre...

Has Hong Kong lost its luster? HKU Ecologists reconstructed Hong Kong's marine ecosystem over the last 100 years Worried that climate and metal pollution may have a negative impact on the biodiversity

Climate change and metal pollution have substantially altered Hong Kong's marine communities, particularly in eastern waters, according to a recent study published in Anthropocene. The researchers used small fossil shells to reconstruct the ecosystem over the last 50-100 years, revealing significant impacts on rare species.

Bright idea: new LEDs can detect off food and lethal gases

The new technology uses a 'tuneable' infrared LED that can detect multiple materials, including bacteria in meat and potentially lethal gases. It has the potential to improve safety for firefighters, miners, and military personnel, as well as be integrated into smartphones and other devices.

Apple iPhone 17 Pro

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

Companion dogs may be a key to solving dementia

Research found a strong correlation between Aβ42 peptide levels in companion dog brains and cognitive decline, supporting the use of dogs as models for Alzheimer's disease. The study's results demonstrate the potential of canine cognitive dysfunction as a tool for understanding human aging and age-related diseases.

Unease beyond the uncanny valley: How people react to the same faces

A team of researchers found that people rate cloned faces as eerier and more improbable than those with different faces, due to the violation of the one-to-one correspondence between face and identity. The 'clone devaluation effect' was stronger when the number of clone faces increased.

Denmark is a hotspot for transplantation of intestinal microbiota

Nine out of ten patients with life-threatening diarrhoea can be cured by faecal microbiota transplantation, according to a European study. Denmark is at the forefront of introducing this treatment, with 25% of eligible patients receiving it, compared to just 10% in other countries.

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.

Researchers explore how people respond to wildfire smoke

Researchers studied Northern California residents' responses to wildfire smoke, finding that social norms and social support significantly influence protective health actions. The study aims to promote safer behavior by understanding how people interact with information and make decisions during smoke events.

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.

Researchers take step toward using cellular motion to help wound healing

Scientists at Princeton University have created a novel approach to directing skin cells using an electrical field. By breaking molecular connections between cells and applying an electric field, researchers were able to improve the controllability of tissues and potentially optimize wound healing through electrical stimulation.

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.

Alcohol can cause immediate risk of atrial fibrillation

A new study by the University of California, San Francisco found that consuming even one alcoholic drink can significantly increase the risk of atrial fibrillation. The research involved tracking 100 patients with documented AF and found that those who consumed more alcohol had higher odds of experiencing an AF episode.

Study shows how a racing heart may alter decision-making brain circuits

A recent study by Mount Sinai researchers discovered that certain neurons in the brain's decision-making centers monitor body-state dynamics and hijack the decision-making process during intense states of arousal. This suggests that changes in heart rate and other bodily responses can impact the brain's ability to make rational decisions.

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.

COVID-19 vaccine elicits antibodies in 90% taking immunosuppressants

Researchers at Washington University School of Medicine found that COVID-19 vaccination elicited a response in nearly nine out of ten people with weakened immune systems. However, the responses were only about one-third as strong as those mounted by healthy people. Despite this, the discovery is encouraging news for a population at hig...

Tropical coral species at extreme risk from climate change, new study finds

A new study found that tropical coral species in Western Australia's Kimberley region and offshore reefs are at risk of disappearing or moving south due to climate change. The research predicts a significant decline in coral biodiversity across the entire WA coastline, with many species likely to be driven to local extinction.

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.

Customization of diet may promote mental wellbeing in young adults

A recent study published in Frontiers in Nutrition found that healthy dietary patterns are associated with higher frequency of exercise and mental wellbeing in young adults. The researchers discovered that exercising within a healthy dietary pattern maximizes the beneficial effect of healthy food and minimizes the impact of triggers.

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.

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.

Phillips to study moral justification to foster human-machine trust

A new project aims to investigate the role of justifications in resolving norm conflicts and fostering trust between humans and autonomous agents. By demonstrating that justified actions can reduce moral disapproval, researchers hope to create norm-aware agents that prioritize safety over efficiency.

Dragged along by micro-swimmers

Researchers have developed a new model for micro-swimmer-based transport, which shows that a swarm of micro-swimmers can transport particles more efficiently than traditional methods. The study's findings suggest that this phenomenon could be useful in biological applications, such as delivering drugs to specific locations in the body.

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.

Towards a cell atlas of the pediatric heart

A new project aims to create a cell atlas of the pediatric heart, filling the knowledge gap in molecular mechanisms involved in childhood death causes. Researchers will analyze healthy heart tissue from children using single-cell analysis and gene expression studies.