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Science News Archive 2021


Page 320 of 510

Phonon imaging in 3D with a fiber probe

A team of scientists has developed a phonon probe that uses optical fibers to create high-resolution 3D images of biological cells and tissue. The device achieves lateral resolution of 2.5 μm and can measure object height with 45 nm precision, opening up new possibilities for non-destructive diagnostics.

In graphene process, resistance is useful

Researchers adapted their laser-induced graphene technique to create fine patterns of graphene in photoresist polymers for use in consumer electronics and other applications. The new process allows for the production of high-resolution, micron-scale lines of conductive graphene, comparable to those achieved by more cumbersome processes.

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.

We need to build more EV fast-charging stations, researchers say

A study of charging patterns on a University of California San Diego campus found that DC fast chargers were less affected by the pandemic, with usage returning to near-normal levels. The researchers recommend deploying additional DCFCs on campus and beyond to support growing EV adoption.

Researchers unveil roadmap to expand NY solar energy, meet green goals

To reach its goal of 70% renewable energy generation by 2030, New York state will need to utilize lower-grade agricultural land and dual-use (agrivoltaics) options for solar energy development. This approach can help alleviate public concerns and mitigate negative economic activity in rural communities.

Have high blood pressure? You may want to check your meds

A new study reveals that nearly 1 in 5 adults with high blood pressure are taking medications that could elevate their blood pressure. Researchers identified three common culprits: antidepressants, NSAIDs, and oral steroids, which were reported by 9%, 7%, and 2% of participants, respectively.

SAMSUNG T9 Portable SSD 2TB

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Surprising sand fly find yields new species of bacteria

Researchers discovered a new species of bacteria, Sphingobacterium phlebotomi, in sand fly rearing substrates that attracts pregnant females, offering a potential tool for reducing sand fly populations and preventing diseases like Leishmaniasis. The bacterium's volatile chemicals can be used to create ecologically safe baits or traps.

Just a few atoms thick: New functional materials developed

Researchers have designed new materials with tailored properties by combining different components, offering targeted design options for future functional materials. They discovered a physical effect that enables tuning the color of lighting technologies in a simple way.

Apple iPhone 17 Pro

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The origin of reproductive organs

A new study led by Kotaro Sasaki elucidates the early biological processes involved in the development of ovaries and testes in human embryos. Researchers analyzed single-cell transcriptome data to understand gene expression at each developmental stage, providing insights into typical and atypical gonadal development.

India's polio vaccination provides valuable insights for mass vaccination campaigns

A study on India's successful polio vaccination program reveals that managerial strategies, including bundling healthcare services, engaging stakeholders, and implementing accountability mechanisms, were crucial to its success. The findings highlight the importance of addressing social trust and political vulnerability in mass vaccinat...

Evading the uncertainty principle in quantum physics

Researchers at Aalto University have successfully evaded the uncertainty principle by measuring the position and momentum of vibrating drumheads. This experiment allows for the characterization of extremely weak forces and provides evidence of quantum entanglement in macroscopic objects.

Flooding might triple in the mountains of Asia due to global warming

The study reveals that glacial lake outburst floods in the Himalayan region and Tibetan plateau could triple in the coming decades, posing a significant threat to communities and infrastructure. The risk of transboundary disasters will also increase, with new hotspots emerging in regions like the Western Himalaya and Pamir.

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.

'Natural disasters' increase triggers for violence against women and girls

A global review of natural disasters reveals a significant increase in violence against women and girls, with stressors like trauma and financial insecurity emerging as key triggers. The study emphasizes the need for gender-sensitive policies and inclusion of women in disaster management to prevent such violence.

Kidney cancer risks higher for Hispanic, Native Americans in Arizona

Advanced-stage kidney cancer is more common among Hispanic Americans and Native Americans than non-Hispanic whites in Arizona. The study found that Arizona's Hispanic Americans have a two times higher risk of advanced-stage kidney cancer, while Native Americans face a 30% increased risk.

The natural brightness of the night sky

Researchers develop first complete reference method to measure natural brightness of night sky, revealing complex factors affecting glow in upper layers of atmosphere. The study uses network of low-cost photometers to analyze data from 44 darkest places worldwide.

New study tracked large sharks during hurricanes

A new study tracked large sharks in Miami and The Bahamas to understand their responses to major storms like hurricanes. Researchers found that different shark species behaved differently by species and location, with some evacuating shallow waters while others remained or even increased in numbers after the storm passed.

Fluke 87V Industrial Digital Multimeter

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Slender-snouted Besanosaurus was an 8 m long marine snapper

Researchers have identified five additional specimens of a 240-million-year-old ichthyosaur, named Besanosaurus leptorhynchus, providing new information on its anatomy, diet, and exceptionally large adult size. The species is the earliest large-sized marine diapsid with a long and narrow snout.

Space weather and solar blobs

Researchers at DOE's Princeton Plasma Physics Laboratory receive $2 million in funding to investigate magnetic reconnection and plasma blobs that can disrupt communications satellites. They aim to recreate conditions in the magnetosphere using a device resembling an enormous silvery barrel tipped on its side.

Epilepsy research reveals why sleep increases risk of sudden death

New research from the University of Virginia School of Medicine reveals that sleep can increase the risk of sudden death in people with epilepsy. Seizures disrupt the body's natural regulation of sleep-related changes, leading to a slower heart rate and potentially deadly consequences.

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.

Review: Most human origins stories are not compatible with known fossils

Most human origins stories are incompatible with the fossils found today, according to a new review that argues for the importance of fossil apes in understanding human evolution. The study examines the major discoveries in hominin origins since Darwin's time and finds that relying on living apes alone is insufficient.

Feeling younger buffers older adults from stress, protects against health decline

A study by the American Psychological Association found that people who feel younger have better cognitive functioning, lower inflammation, and a lower risk of hospitalization compared to those who feel older. The researchers suggest that feeling younger could help buffer middle-aged and older adults against stress's negative effects.

Patient support program for painful conditions may reduce opioid use

A patient support program for people with autoimmune diseases and complex medication regimens can help them avoid using opioids or reduce their use. The study found that patients in the program were 13% less likely to start taking opioid pain medications and 26% less likely to fill two or more opioid prescriptions.

5:2 diet helps reduce skin symptoms in Psoriasis patients

A modified 5:2 diet has shown promising results in reducing scaling and thickness of skin symptoms in psoriasis patients. The study found a significant reduction in Psoriasis severity after following the MIF diet, with 30% of patients reporting a decrease in itching.

Celestron NexStar 8SE Computerized Telescope

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

Children likely to be pleading guilty when innocent, study argues

A recent study published in the Journal of Law and Society suggests that children are more prone to pleading guilty even when innocent due to their brain development and information processing abilities. The researchers argue that this can lead to inaccurate convictions and recommend tailored protection for young defendants.

Cell cytoskeleton as target for new active agents

A team of scientists at the Paul Scherrer Institute has discovered 27 binding sites on tubulin, a critical protein in the cell cytoskeleton. Eleven of these sites were previously unknown and hold promise for developing new cancer-fighting agents.

New indicator for oxygen levels in early oceans developed

Researchers have discovered a new method to track oxygen levels in the ancient oceans by analyzing tungsten isotopes. This breakthrough may provide valuable insights into the evolution of life on Earth and its ability to thrive under various environmental conditions.

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.

Exercise aids the cognitive development of children born preterm

A study by the University of Basel found that exercise training helps improve motor skills in children born prematurely, leading to better impulse control and reduced behavioral problems. This targeted training may also reduce cognitive limitations, providing essential support for these children as they grow into teenagers.

Research breakthrough in the fight against cancer

A UMass Amherst research team has engineered a nanoparticle that can deliver cancer-fighting drugs to specific cells, reducing side effects. The innovation combines biologics and antibody-drug conjugates, enabling safer treatments for various genetic diseases.

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.

Eating sardines regularly helps prevent type 2 diabetes

A study found that consuming two cans of sardines a week reduced the risk of developing type 2 diabetes by 31% in elderly patients with prediabetes. The nutrient-rich fish helped lower insulin resistance, increase HDL cholesterol and improve glucose metabolism.

JAMA Health Forum now peer-reviewed journal

The JAMA Health Forum has transitioned from an online health policy channel to a peer-reviewed, open-access online journal. The journal is focused on health policy, health care systems, and global and public health, with an editorial team led by John Z. Ayanian and Melinda B. Buntin.

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.

Novel biomarker linked to hair loss can determine COVID severity in men

Researchers discovered a novel biomarker, AR CAG repeat length, which is associated with COVID-19 disease severity in men. A prospective study of 65 hospitalised COVID-19 positive men found that males with a CAG repeat below 22 nucleotides were significantly less likely to be admitted into ICU.

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.

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.

Physicists describe new type of aurora

Researchers have found a new feature in the diffuse aurora, where sections of the background-like glow disappear and then reappear after a short period. This phenomenon, dubbed 'diffuse auroral erasers,' has never been mentioned in scientific literature and raises questions about its frequency and potential impact on Earth's climate.

Researchers speed identification of DNA regions that regulate gene expression

St. Jude Children's Research Hospital scientists have developed an integrated system to better understand and possibly manipulate gene expression for treatment of disorders like sickle cell disease and beta thalassemia. The new method identified dozens of DNA regulatory elements that orchestrate fetal-to-adult hemoglobin switch, offeri...

Only 41% of people would sign up for COVID-19 trials says new report

A new report by the University of Birmingham reveals that only 41.4% of respondents in a UK-wide survey expressed interest in participating in COVID-19 vaccine trials. The study found that male graduates, those aged 40-49 and 50-59, and individuals with no health issues were more likely to be interested, while Black Asian Minority Ethn...

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.

Sharks use Earth's magnetic fields to guide them like a map

Researchers found that sharks rely on magnetic fields to guide them during long-distance migrations. Bonnethead sharks were used in experiments, which showed that they orient themselves based on the magnetic field, even when exposed to fields outside their natural range.

Cancer patients lonely and depressed during COVID

A new UCSF study reports that cancer patients experience a deep sense of loneliness during the COVID-19 pandemic, with 53% of participants classified as lonely. The study also found higher levels of depression, fatigue, and sleep disturbance among lonely patients.

Meta Quest 3 512GB

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