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Science News Archive October 2020


Page 8 of 47

For vampire bats, social distancing while sick comes naturally

Researchers found that vampire bats with activated immune systems and feeling sick interacted with fewer bats, spent less time near others, and were less well-connected to the social network. This behavior helps reduce the spread of disease in highly social animals like vampire bats.

Crystal structure of SARS-CoV-2 papain-like protease

Researchers determined the crystal structures of SARS-CoV-2 papain-like protease, revealing novel packing and solvent content. The findings provide valuable insight into inhibition mechanisms and may aid optimization of promising inhibitors for therapeutic development.

Cauliflower coral genome sequenced

The sequencing of the cauliflower coral genome provides a resource for studying genetic adaptation to different environmental conditions. The analysis revealed approximately 27,500 genes, with a higher percentage of repetitive elements than closely related corals.

Apple iPhone 17 Pro

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

What EEGs tell us about COVID-19 and the brain

Research identifies commonalities in COVID-19 patients' brain activity, highlighting potential long-term effects on older males. Abnormal EEG readings suggest permanent brain damage, prompting the need for comprehensive care including brain imaging.

Photovoltaics industry can help meet Paris agreement targets

A new model predicts the photovoltaic industry can meet Paris Agreement targets with 70-80 terawatts of cumulative capacity from solar cells by 2055. The industry needs to increase production rate by a factor of 30 within 10 years, driven by productivity improvements and material sustainability.

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.

New cancer diagnostics: A glimpse into the tumor in 3D

A new technology makes it possible to analyze all the tissue removed from a tumor in 3D without cutting, significantly increasing the reliability of diagnosis. This revolutionizes pathology and provides new insights into cancer development, potentially leading to improved treatment options.

Antarctica yields oldest fossils of giant birds with 21-foot wingspans

Fossils found in Antarctica reveal the largest individuals of an extinct group of seabirds, which lived for up to 60 million years, dwarfing today's largest bird. The discovery sheds light on bird evolution and highlights the diversity of Antarctic birds during a warmer climate 50 million years ago.

Postpartum depression may persist three years after giving birth

A recent NIH study found that approximately 1 in 4 women experience high levels of depressive symptoms at some point in the three years post-childbirth. Women with underlying conditions like mood disorders and gestational diabetes are more likely to have persistent symptoms.

Small mussels in the Baltic are getting even smaller

Researchers at Stockholm University found that Baltic Sea blue mussels are getting smaller due to changes in phytoplankton availability, which is linked to climate change. The study also discovered an increase in tiny mussels, which may compensate for the reduction in size but could lead to reduced water filtration rates.

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.

USTC develops single crystalline quaternary sulfide nanobelts

Researchers at USTC have designed a simple method to synthesize single crystalline wurtzite CZIS and CZGS nanobelts with exposed (0001) facets, showing excellent photocatalytic performances under visible-light irradiation. This work demonstrates the significance of surface engineering in quaternary sulfide photocatalysts.

Theoreticians show which quantum systems are suitable for quantum simulations

A joint research group has developed a way to simulate the quantum physical properties of complex solid state systems using real systems of atoms. The team's approach uses mathematical and numerical methods to investigate which quantum systems are suitable for simulations, paving the way for progress in robust quantum computing.

Cancer cells mediate immune suppression in the brain

A recent study published in Cell reveals that microglia, a type of immune cell, promote breast cancer metastasis to the brain by suppressing T-cells. The activation of VISTA checkpoint suppresses immune response, allowing cancer cells to spread and form secondary tumors.

Astronomers are bulging with data

For the first time, astronomers have surveyed over 250 million stars in the Milky Way's bulge, measuring their chemical composition and gaining new insights into the galaxy's formation. The data will help scientists understand how the Milky Way formed its central bulge and gain a better understanding of other galaxies.

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.

Study reveals fibulin 5 is required for Schwann cells' myelination

A study published in STEM CELLS revealed that fibulin 5 plays a crucial role in the development of Schwann cells, which produce the myelin sheath surrounding neuronal axons. The research suggests that fibulin 5 may be used to treat Charcot-Marie-Tooth disease and other demyelinating disorders.

Promising strategies for durable perovskite solar cells

Researchers developed feasible approaches for durable perovskite photovoltaics by addressing internal instability, chemical degradation, and environmental factors. Compositional engineering and bonding passivation are promising methods to improve device durability.

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.

The sweet spot of flagellar assembly

Researchers identified a critical glycosylation step and a control protein that regulate flagellum assembly. The discovery sheds light on bacterial motility and provides insights into protein synthesis and cytoskeleton formation.

Study reinforces drug's potential to treat hypertrophic cardiomyopathy

Researchers at Washington State University have discovered mavacamten, a molecule that suppresses excessive force generated by hyper-contractile muscle cells in the human heart. The drug reduces maximal force of contraction by nearly 20-30% compared to controls, suggesting its potential as a treatment for hypertrophic cardiomyopathy.

Black Hispanic individuals hardest hit by COVID-19

A new study finds that Hispanic Black individuals have the worst COVID-19 outcomes, including higher hospitalization and death rates, compared to Hispanic multiracial and white individuals. The study highlights the need for more accurate demographic data collection to address these disparities.

Meta Quest 3 512GB

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

Best way to detect 'deepfake' videos? Check for the pulse

Researchers from Binghamton University and Intel Corp. developed a tool called FakeCatcher to detect 'deepfakes,' which boast an accuracy rate above 90%. The tool analyzes the subtle differences in skin color caused by the human heartbeat, using photoplethysmography (PPG) signals.

Precaution: Lessons from COVID-19

Researchers from SUTD analyzed strategies employed by countries during the COVID-19 pandemic, highlighting the need for controlled movement, containment through border controls, and efficient testing to prevent transmission. The study emphasizes the importance of a collective global strategy to contain outbreaks effectively.

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.

Swiss fatalism protects against negative feelings in the pandemic

A Swiss study reveals that a certain fatalistic attitude can protect individuals from negative feelings during the Covid-19 pandemic. The researchers found that in Switzerland, fatalistic attitudes were associated with less fear and fewer negative emotions compared to Israel.

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.

Empathy may be in the eye of the beholder

A recent study from UC Davis found that people's views on empathy are complicated and depend on who is receiving it. Empathizers are liked and respected only when the character they're empathizing with is also well-liked, but not when the character is disliked. This challenges the notion that empathy is always a virtue.

Renewable energy targets can undermine sustainable intentions

A new study suggests that renewable energy targets can actually exacerbate sustainability issues, such as rolling blackouts in California. The researchers argue for a more nuanced approach, considering trade-offs between different policy instruments and long-term objectives.

Celestron NexStar 8SE Computerized Telescope

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

Impacts of family structure on puberty onset in girls

Girls living in single-parent households before age two are at higher risk of starting puberty earlier than their peers. The study, published in BMC Pediatrics, found that infant attachment insecurity and socioeconomic status may contribute to this association.

Low-cost airlines have adapted best to COVID-19

Low-cost airlines proved more resilient during the pandemic due to their lower exposure to international long-haul traffic. They operated in regional markets and benefited from consolidation since 2001, increasing their market share from 5.3% to 37.3%.

Computer vision helps find binding sites in drug targets

Scientists developed BiteNet, a machine learning algorithm using computer vision to analyze protein structures and detect binding sites. The approach expands the array of possible pharmacological targets and improves speed and accuracy.

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.

Model could improve design of vaccines, immunotherapies

Researchers have discovered a general property for understanding how immune cell receptors sense and respond to microbial signals. The result led to a more effective cancer immunotherapy in mice, which could lead to more effective vaccines for existing and novel viruses.

Identifying potential anti-COVID-19 pharmacological components of TCM

This study identifies potential anti-COVID-19 pharmacological components of TCM's Lianhuaqingwen capsule based on human exposure and ACE2 biochromatography screening. The research demonstrates the utility of this approach for identifying pharmaceutically active components in Chinese herb medicines.

Study finds need for better inclusion of racial minorities in RT trials

A new study examines clinical trials involving radiation therapy from 1996 to 2019 and finds that Black and Asian American patients are underrepresented, with 12% and 3% of trial participants respectively. The findings highlight the need for better inclusion of racial minorities in research studies.

Drug resistance linked to antibiotic use and patient transfers in hospitals

A study found that antibiotic use patterns and patient transfers drive the emergence of drug-resistant microbes, highlighting the need for individualized approaches to preventing resistance. The study suggests using alternative antibiotics like piperacillin-tazobactam instead of carbapenems may be necessary.

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.

Beaches can survive sea-level rises as long as they have space to move

A team of international coastal scientists disagrees with a paper predicting half the world's beaches will disappear by 2100 due to sea-level rise. They argue that beaches can migrate landward and retain their shape as long as they have space to move, but those backed by cliffs or seawalls are unlikely to survive.

Saving the climate from the ground up

Researchers from the University of Bonn and around the world propose a strategy to use soils to bind large quantities of carbon, reducing greenhouse gas emissions by a third. By increasing plant growth and crop yields through simple measures like mulching and fertilizing, farmers can effectively sequester carbon in the soil.

Fluke 87V Industrial Digital Multimeter

Fluke 87V Industrial Digital Multimeter is a trusted meter for precise measurements during instrument integration, repairs, and field diagnostics.

Society for Neuroscience recognizes Courtney Miller for advocacy efforts

Society for Neuroscience recognizes Courtney Miller for her career-long practice of mentoring women scientists, including founding Professional Women's Nexus to provide support and connections. Miller has also achieved significant scientific success, developing treatments for drug addiction and post-traumatic stress disorder.

Tailoring 2D materials to improve electronic and optical devices

Researchers at Penn State have developed new methods to enhance light emission and increase signal strength in 2D materials. By altering the atomic makeup and physical shape of these materials, they created new types of materials that can attract different molecules and induce superconductivity. These advancements have significant impl...

Yeast study yields insights into longstanding evolution debate

A Yale study shows that epigenetic mechanisms play a crucial role in shaping the evolution of gene networks in yeast. The research suggests that epigenetic factors can be passed on to offspring, contributing to stable and heritable gene expression states.

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.

'White matter lesion' mapping tool identifies early signs of dementia

A new mapping tool for analyzing tissue damage seen on MRI brain scans accurately detects early signs of cognitive decline, correlating with worsening dementia and other brain-damaging conditions. The tool offers a standardized method for calculating the volume and location of white matter lesions in the brain.