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Science News Archive December 2020 - Page 34


Page 34 of 39

Reproduction key to maintenance of marimo shape

Researchers from Hokkaido University discovered that marimo develop their characteristic spherical shape due to the rare formation of reproductive cells. The study found low levels of zoospore production, particularly in aggregative forms, which maintains the marimo's shape.

SourceHokkaido University·JournalAquatic Botany·DateDec 3, 2020

Tech makes it possible to digitally communicate through human touch

Researchers at Purdue University have developed a technology that enables digital communication through direct touch, allowing for secure payments and information transfer without biometric authentication. This innovation uses an "Electro-Quasistatic range" to confine signals within the body, preventing hacking and interception.

SourcePurdue University·JournalACM Transactions on Computer-Human Interaction·DateDec 3, 2020

Most countries are violating international law during the COVID-19 pandemic: Legal experts

A new study by global health law scholars reveals that most countries are not fulfilling their international legal obligations during the COVID-19 pandemic. The researchers argue that the provisions of the International Health Regulations (IHR) are often misunderstood and may not be sufficient to guide governments' responses to pandemics.

SourceYork University·JournalInternational Organizations Law Review·DateDec 3, 2020
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.

The impact of Neandertal DNA on human health

Researchers analyzed Neandertal-associated phenotypes in Asian and European populations, finding shared variants increasing risk of autoimmune diseases like dermatitis and rheumatoid arthritis. In contrast, a specific gene variant in Asians had a protective effect against prostate cancer.

SourceEstonian Research Council·JournalGenome Biology and Evolution·DateDec 3, 2020

Gastric bypass surgery leads to long-term diabetes remission

A new study published in the Endocrine Society's Journal of Clinical Endocrinology & Metabolism found that gastric bypass surgery can lead to long-term diabetes remission in over half of adults with type 2 diabetes. The study suggests that weight loss is not the only factor contributing to improved blood sugar levels.

SourceThe Endocrine Society·JournalThe Journal of Clinical Endocrinology & Metabolism·DateDec 3, 2020
Apple iPhone 17 Pro

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

New DNA modification 'signature' discovered in zebrafish

Researchers at the Garvan Institute of Medical Research have discovered a new form of DNA methylation in zebrafish, specifically at TGCT repeats. This discovery could lead to the development of new experimental models for studying how DNA modifications impact human development and disease.

SourceGarvan Institute of Medical Research·JournalNucleic Acids Research·DateDec 3, 2020

Experimental study on the viscoelastic flow mixing in microfluidics

Researchers from Sun Yat-Sen University, Harvard University, and Guangzhou University investigated viscoelastic flow mixing in microfluidics. They found that viscoelastic fluids exhibit transiently unstable flow patterns compared to Newtonian fluids, resulting in increased mixing.

SourceCompuscript Ltd·JournalBIO Integration·DateDec 3, 2020
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.

Cooling electronics efficiently with graphene-enhanced heat pipes

Researchers at Chalmers University of Technology have developed graphene-based heat pipes that can efficiently cool electronics and power systems. The new technology offers a significant energy efficiency contribution to data centres and other applications, reducing greenhouse gas emissions.

SourceChalmers University of Technology·JournalNano Select·DateDec 3, 2020

How networks form: Charting the developing brain

Researchers used connectomic mapping to study inhibitory neuronal circuitry in developing mice brains. They found that different types of interneurons followed distinct developmental time courses to establish synaptic partners.

SourceMax-Planck-Gesellschaft·JournalScience·DateDec 3, 2020

BIOS-SCOPE funding renewed

The BIOS-SCOPE program will continue its research into the microbial ecology of the Sargasso Sea, leveraging over 30 years of data from BATS and other sources. The program brings together researchers from different backgrounds using systems biology, genomics, and marine chemistry to study organic matter cycling and microbial interactions.

SourceBermuda Institute of Ocean Sciences·DateDec 3, 2020

Flightless bird species at risk of extinction

A study of extinct bird species reveals that flightlessness developed in many cases due to human impact, with 29% of extinct species lacking the ability to fly. The researchers found that if humans had not caused some extinctions, there would be over 150 independently developed flightless bird groups.

SourceUniversity of Gothenburg·JournalScience Advances·DateDec 3, 2020
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.

Researchers create ingredients to produce food by 3D printing

A team of Brazilian and French researchers has developed hydrogels based on modified starch for use as 'ink' in 3D printing of foods. The gels have optimal printability, allowing for the creation of customized food products with desired shapes, textures and flavors.

SourceFundação de Amparo à Pesquisa do Estado de São Paulo·DateDec 3, 2020

Comparison of coronavirus antibody tests revealed too optimistic claims

A study found that individual coronavirus antibody tests have varying levels of sensitivity, making it essential to combine multiple tests for accurate results. This is crucial for planning major seroepidemiological studies and understanding the prevalence of COVID-19 exposure in populations.

SourceEstonian Research Council·JournalPLOS ONE·DateDec 3, 2020
CalDigit TS4 Thunderbolt 4 Dock

CalDigit TS4 Thunderbolt 4 Dock simplifies serious desks with 18 ports for high-speed storage, monitors, and instruments across Mac and PC setups.

Researchers confront optics and data-transfer challenges with 3D-printed lens

The study enables the creation of highly specialized light-focusing abilities, increasing data-routing capability in computer chips and optical systems. The researchers' method will impact the manufacturing of complex optical components and advance personal computing.

SourceUniversity of Illinois at Urbana-Champaign, News Bureau·JournalLight Science & Applications·DateDec 3, 2020

Genetically engineered T cells could lead to therapies for autoimmune diseases

A novel T cell genetically engineered by University of Arizona Health Sciences researchers targets and attacks pathogenic T cells that cause Type 1 diabetes. The 5MCAR T cells, which mimic the evolutionary design of natural killer T cells, were tested in a non-obese diabetic mouse model with promising results.

SourceUniversity of Arizona Health Sciences·JournalProceedings of the National Academy of Sciences·DateDec 3, 2020

Peanut treatment lowers risk of severe allergic reactions in preschoolers

A new study published in the Journal of Allergy and Clinical Immunology: In Practice found that exposing children to small, regular doses of peanuts can reduce the risk of severe allergic reactions. Nearly 80% of preschoolers were able to eat a full serving of peanuts without reaction, protecting them from 99% of accidental exposures.

SourceUniversity of British Columbia·DateDec 3, 2020
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.

What makes certain groups more vulnerable to COVID-19?

Researchers analyzed protein sequences of SARS-CoV2 virus and host cell receptors to find commonalities among animals susceptible to infection. Greater cellular oxidation may predispose the elderly and those with underlying health conditions to more severe infection.

SourceMcGill University·JournalComputational and Structural Biotechnology Journal·DateDec 3, 2020

A new view of how the brain decides to make an effort

Researchers used fMRI to study effort-based decision-making and found two distinct regions of the ventral striatum associated with different phases of physical effort. The findings provide new insights into motivation, depression, schizophrenia, and PTSD.

SourceEmory Health Sciences·DateDec 3, 2020

Marine mammals' adaptations to low oxygen offer new perspective on COVID-19

A study by UC Santa Cruz professor Terrie Williams explores how marine mammals' physiological adaptations can help understand the effects of COVID-19. Marine mammals have evolved mechanisms to protect critical organs during low-oxygen conditions, which may inform strategies for humans to mitigate long-term damage from oxygen deprivation.

SourceUniversity of California - Santa Cruz·JournalComparative Biochemistry and Physiology·DateDec 3, 2020

What makes psoriasis sore: Novel role of immune system in the disease

Researchers identify neutrophils as potential culprits for psoriasis inflammation and keratinization, offering new directions for developing novel therapeutic approaches. The study provides mechanistic insights into the involvement of neutrophils in psoriasis pathogenesis.

SourceFujita Health University·JournalScientific Reports·DateDec 3, 2020
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.

Dark excitons hit the spotlight

Researchers have directly visualized and measured elusive dark excitons in a new class of extremely thin semiconductors. This breakthrough technique could transform research and lead to significant advancements in fields like solar cells, LEDs, smartphones, and lasers.

SourceOkinawa Institute of Science and Technology (OIST) Graduate University·JournalScience·DateDec 3, 2020

Not enough Hazelnuts? Our future climate points to Australia for new cultivations

A recent study by the CMCC Foundation suggests that Australia could become a major hub for hazelnut production due to its favorable climate. Climate change is expected to increase hazelnut yields in southeastern Australia, with potential increases of 18-52% projected between 2020 and 2039.

SourceCMCC Foundation - Euro-Mediterranean Center on Climate Change·JournalAgricultural Systems·DateDec 3, 2020

Anorexia patients tolerate rapid weight gain with meal-based behavioral support

Researchers at Johns Hopkins Medicine found that a majority of anorexia patients tolerated and met their weight gain goals on a rapid weight gain plan, with 70% reaching a healthy BMI. The study suggests that meal-based nutritional approaches can be well-tolerated and achieve weight restoration in a majority of patients.

SourceJohns Hopkins Medicine·JournalInternational Journal of Eating Disorders·DateDec 3, 2020
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.

Robot fleet dives for climate answers in 'marine snow'

A fleet of deep-diving ocean robots will investigate how marine life captures and stores carbon from the atmosphere. The research, called SOLACE, aims to improve our understanding of the 'carbon pump', a process responsible for pumping large volumes of carbon into the ocean.

SourceUniversity of Tasmania·DateDec 3, 2020

US state government crisis standards of care guidelines

State crisis standards of care (CSC) guidelines in the US allocate scarce healthcare resources among cancer patients, requiring careful consideration of prioritization methods. The guidelines include provisions for blood products and palliative care, highlighting the need for nuanced decision-making in resource allocation.

SourceJAMA Network·JournalJAMA Oncology·DateDec 3, 2020

Better diabetes treatment: New insulin molecule can self-regulate blood sugar

Researchers from the University of Copenhagen have developed a new insulin molecule that can sense blood sugar levels and release insulin accordingly. This innovative approach aims to reduce the frequency of injections and monitoring required by people with type 1 diabetes, improving their quality of life.

SourceUniversity of Copenhagen·JournalChemistry - A European Journal·DateDec 3, 2020
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.

Can we make bones heal faster?

Researchers from UIC have discovered distinct pathways for bone and teeth formation, which can be manipulated to enhance healing processes. This breakthrough has significant implications for developing new treatments to cure dental diseases and bone injuries.

SourceUniversity of Illinois Chicago·JournalScience Advances·DateDec 3, 2020

Amino acid connected to NAFLD could provide treatment clues

A new study suggests a link between low levels of glycine and nonalcoholic fatty liver disease (NAFLD), potentially leading to novel treatment options. Researchers found that improving body composition and glutathione synthesis with a tripeptide called DT-109 could attenuate experimental NAFLD.

SourceMichigan Medicine - University of Michigan·JournalScience Translational Medicine·DateDec 3, 2020

Ancient migration was choice, not chance

Researchers used satellite-tracked buoys to simulate ancient ocean migrations. They found that the vast majority failed to reach the Ryukyu Islands due to adverse weather conditions, suggesting intentional navigation. The study provides evidence of Paleolithic people's bold exploration and migration.

SourceUniversity of Tokyo·JournalScientific Reports·DateDec 3, 2020
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.

Teamwork, rapid data monitoring needed to improve nation's heart health

The American Heart Association recommends using existing data in electronic health records to adjust health targets and provide better preventive care. Improving the nation's cardiovascular health requires reinforcing prevention efforts and leveraging expertise from multidisciplinary healthcare professionals.

SourceAmerican Heart Association·JournalCirculation·DateDec 3, 2020

Grant to fund study of acoustics in turfgrass pest control

A Cornell University research team will use acoustic technology to monitor and manage soil-dwelling pests, preventing damage from predators. The project aims to provide turfgrass managers with greater knowledge and decision-making power about pest distributions and management strategies.

SourceCornell University·DateDec 3, 2020

Restoring a rudimentary form of vision in the blind

Researchers at Netherlands Institute for Neuroscience developed high-resolution brain implants that enable recognition of artificially induced shapes and percepts. The breakthrough technology allows for a rudimentary form of vision restoration, enabling profoundly blind individuals to navigate and interact more easily.

SourceNetherlands Institute for Neuroscience - KNAW·JournalScience·DateDec 3, 2020

Drinking linked to a decline in brain health from cradle to grave

Research highlights three key periods of dynamic brain changes sensitive to alcohol's effects: gestation, later adolescence, and older adulthood. Low or moderate drinking during pregnancy is associated with poorer outcomes in offspring, while binge drinking in adolescence and aging affects brain volume and cognitive functions.

SourceBMJ Group·JournalThe BMJ·DateDec 3, 2020
Meta Quest 3 512GB

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

Chemists get peek at novel fluorescence

Rice University scientists have discovered a novel phenomenon in carbon nanotubes, where a delayed secondary fluorescence is emitted when triggered by a multistep process involving dye molecules and dissolved oxygen. The delay, only microseconds long, can be detected with specialized instrumentation.

SourceRice University·JournalJournal of the American Chemical Society·DateDec 3, 2020

Household-grown food leads to improved health for children

New research from the University of East Anglia found that households where mothers grow their own food have healthier children, with reduced stunting, wasting, and underweight. The study suggests home farming can complement Vitamin A supplementation programmes to control Vitamin A deficiency.

SourceUniversity of East Anglia·JournalCritical Reviews in Food Science and Nutrition·DateDec 3, 2020
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.

Physicists capture the sound of a "perfect" fluid

MIT physicists create a perfect fluid in the laboratory, capturing its sound waves to measure viscosity. The results confirm that strongly interacting fermion gas behaves as a perfect fluid, with properties applicable to studying neutron stars and the early universe's plasma.

SourceMassachusetts Institute of Technology·JournalScience·DateDec 3, 2020

Photonics meets surface science in a cheap and accurate sensor for biological liquids

Researchers have developed a simple and inexpensive method for testing liquid biological samples using in-fiber multispectral optical sensing. The sensor shows high sensitivity to impurities and can be used for diagnostic purposes and real-time simulations of various biological processes.

SourceSkolkovo Institute of Science and Technology (Skoltech)·JournalLight Science & Applications·DateDec 3, 2020

For nationalistic regimes, similar COVID-19 policies are the sincerest form of flattery

A University of Texas at Arlington study reveals that nationalistic countries emulate each other's COVID-19 policies, favoring national identity over scientific data. The research suggests growing international cooperation among nationalist regimes and leaders, despite geographical distance and varying political systems.

SourceUniversity of Texas at Arlington·JournalJournal of Chinese Political Science·DateDec 3, 2020

How the vaginal microbiome may affect HIV prevention

A study found that vaginal bacteria associated with bacterial vaginosis can metabolize HIV prevention drugs, reducing their effectiveness. This imbalance can increase the risk of HIV transmission in women. The researchers highlight the need for better treatments and studies on women's health to improve HIV prevention efforts.

SourcePLOS·JournalPLOS Pathogens·DateDec 3, 2020
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.

Advancing gene editing with new CRISPR/Cas9 variant

A new CRISPR/Cas9 variant, miCas9, has been developed to improve the efficiency of gene editing while reducing unintended insertions or deletions. This advancement holds promise for advancing gene editing in genetic research and potentially treating diseases.

SourceMichigan Medicine - University of Michigan·JournalNature Communications·DateDec 3, 2020