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Science News Archive November 2020


Page 12 of 43

BU rheumatologist receives Arthritis Foundation award

David T. Felson, a renowned Boston University rheumatologist, has been honored with the Lee C. Howley Prize from the Arthritis Foundation for his groundbreaking research on osteoarthritis (OA). His work has led to significant advances in understanding OA risk factors, treatments, and outcome measurement.

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.

A biochemical random number

Researchers at ETH Zurich have successfully created biochemical random numbers using DNA synthesis, correcting a long-standing challenge in generating truly random numbers. The team achieved this by synthesizing DNA molecules with randomly placed building blocks, resulting in vast quantities of randomness that can be stored in a small ...

Coaching sales agents? Use AI and human coaches

Researchers found that a combination of AI and human coaches can effectively train bottom- and top-ranked sales agents, improving performance. The study suggests that tailored designs for targeted agents can overcome challenges faced by different types of sales agents.

Study: TB vaccine linked to lower risk of contracting COVID-19

A widely used tuberculosis vaccine is associated with reduced likelihood of contracting COVID-19, according to a new study by Cedars-Sinai. The BCG vaccine was found to be effective in reducing SARS-CoV-2 antibody levels and the risk of coronavirus infections or severity of the disease.

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.

Science reveals secrets of a mummy's portrait

Researchers studied a speck of purple pigment from an Egyptian portrait, revealing that it was likely made synthetically and mixed with clay and beeswax. The discovery sheds new light on the cultural significance of ancient portraits and their artistic techniques.

Antibodies to SARS-CoV-2 are detected up to 3 months after infection

A new study found that IgM and IgA antibodies decay quickly, while IgG antibody levels are maintained for at least three months after infection. The study also showed that infected healthcare workers had higher levels of IgG1 and lower levels of IgG2 compared to asymptomatic cases.

Stan receives funding for coupled weather model development

Cristiana Stan, a George Mason University researcher, has received $195,313 from NOAA to develop a coupled ensemble weather prediction system. The system aims to improve medium-range and subseasonal-to-seasonal forecasts by refining stochastic parameterizations and improving model coupling.

Apple iPhone 17 Pro

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

Plant evolves to become less visible to humans

A plant species, Fritillaria delavayi, has evolved to become better camouflaged in areas with high human harvesting, increasing its survival chances. Human activity is found to be driving the evolution of camouflage in this species.

Field geology at Mars' equator points to ancient megaflood

Researchers from Cornell University and NASA's Jet Propulsion Laboratory discovered evidence of massive floods in Gale Crater, suggesting conditions for microbial life. The flooding, likely caused by a meteoritic impact, deposited unique geological structures indicating flowing water and wind on Mars.

Microplastics in the death zone

Researchers found substantial quantities of polyester, acrylic, nylon, and polypropylene fibres in snow samples from Mount Everest. The high-altitude discovery suggests microplastics could have been transported from lower altitudes by extreme winds or fragmented during expeditions.

Fluke 87V Industrial Digital Multimeter

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

University of Guam works to stop ironwood tree decline

Researchers are analyzing termites to assess their role in infecting ironwood trees with a deadly bacterium, which has killed over 20% of the island's gago trees. The team is also planting new, resistant trees and studying how termites spread the disease.

Ribosome assembly - The final trimming step

Researchers have uncovered new details of human ribosome maturation, revealing a crucial step in protein synthesis. The study identifies key enzymes and proteins involved in the final trimming step, which is essential for producing functional ribosomes.

Discovery illuminates how cell growth pathway responds to signals

A fundamental way cells interpret signals from their environment has been revealed by researchers at Johns Hopkins Bloomberg School of Public Health. The Hippo pathway, which constrains cell division and regulates organ size, can be activated by multiple signaling inputs.

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.

Hypertrophic cardiomyopathy guideline encourages shared decision-making

The updated HCM guideline emphasizes shared decision-making in the management of hypertrophic cardiomyopathy. It provides recommendations on evaluation and management, medical therapies, septal reduction therapies, and SCD risk assessment/prevention. The guideline aims to personalize treatment options based on patient goals and concerns.

Biofriendly protocells pump up blood vessels

A team of researchers has developed biocompatible protocells that can generate nitric oxide gas, leading to blood vessel expansion. The synthetic cells are coated in red blood cell fragments and contain an enzyme that produces hydrogen peroxide, which is then converted into nitric oxide.

Near-infrared probe decodes telomere dynamics

A synthetic probe offers a safe approach for visualizing chromosome tips in living cells. The probe can precisely deliver a fluorescent compound to telomeres on the tips of chromosomes, enabling researchers to understand their relevance to disease and aging. This breakthrough advances research into aging and diseases like cancer.

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.

Turning waste plastic into carbon nanotubes to transmit electricity

Scientists at Swansea University have developed a way to extract carbon atoms from waste plastics and turn them into carbon nanotube format for transmitting electricity. The project aims to create long-range electricity transmission materials from waste plastics, advancing global energy sustainability.

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.

Indonesian wildfires a 'fixable problem'

Indonesian wildfires are a major issue due to their impact on the environment and human health. The project aims to investigate the causes and possible solutions to these fires. Experts believe that the drivers behind the peatland fires are a combination of climatic processes, land use, and ignition by humans.

Memories create 'fingerprints' that reveal how the brain is organized

A study by researchers at the University of Rochester Medical Center discovered that people's brain activity and organization differ when reimagining common scenarios, leading to distinct neurological signatures. These signatures can help understand and study disorders such as Alzheimer's disease.

The microbiome of Da Vinci's drawings

Researchers analyzed seven Da Vinci drawings using Nanopore sequencing, finding a dominance of bacteria over fungi, with many exhibiting human or insect microbiomes. The study also identified human DNA, likely introduced by restoration workers, and correlations with geographical location.

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.

COVID-19 News from Annals of Internal Medicine

A commentary discusses the need to weigh scientific validity against social value in COVID-19 vaccine development, highlighting concerns about long-term efficacy and safety. Vaccination efforts could intensify debates around early deployment, emphasizing the importance of addressing these issues.

New grant seeks to fill knowledge gaps regarding spina bifida

Researchers aim to fill knowledge gaps on spina bifida by setting up an international registry of patients and investigating the role of folic acid in disease risk. The grant will also fund whole genome sequencing to identify potential causes and underlying mechanisms of the disease.

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.

Emergency imaging trends in pediatric vs. adult patients for abdominal pain

A study found that pediatric CT use for abdominal pain decreased from 1.2% to 0.6% between 1997 and 2016, while adult CT use increased from 3.9% to 37.8% during the same period., Children evaluated in pediatric EDs were at lower odds of receiving CT than those in general EDs for abdominal pain with appendicitis diagnosis.

Food health star ratings can improve diets, study finds

A study found that food labelling can encourage manufacturers to improve product nutrition. HSR labelling causes some products to become healthier, with positive reformulation examples including reduced fat and sodium content in instant soups and flavoured crackers.

New findings speed progress towards affordable gene therapy

Researchers have developed a new method for deploying CRISPR/Cas9 directly into target cells using metal-organic frameworks (MOFs) coated with green tea phytochemicals. This approach has the potential to reduce costs and increase safety compared to existing viral methods, which are currently the only approved methods in trial globally.

Study: Countering hate on social media

A new paper offers a framework for studying online hate and counter speech, analyzing millions of Twitter interactions. Researchers found that organized movements are more effective than individuals in countering hate speech.

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.

Zebra finches amazing at unmasking the bird behind the song

Researchers found that zebra finches can distinguish between 16-56 different birds based on their unique sounds, a feat previously thought possible only for humans. The birds' ability to recognize each other's vocalizations suggests sophisticated social communication and complex mapping skills.

Gut immune cells may help send MS into remission

Researchers have found that gut immune cells express an antibody called IgA, which helps protect against harmful bacteria and may help bring flare-ups under control. This discovery opens up new lines of research for therapeutics and suggests a potential new player in managing MS symptoms.

MMR vaccine could protect against COVID-19

Researchers found an inverse correlation between mumps IgG titers and COVID-19 severity in vaccinated individuals. Those with higher mumps antibody levels had lower disease severity, suggesting the MMR vaccine may be protective against COVID-19.

Celestron NexStar 8SE Computerized Telescope

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

Glyphosate may affect human gut microbiota

Researchers from University of Turku developed a new bioinformatics tool to predict microbial sensitivity to glyphosate. The tool classifies 80-90% of microbial species as sensitive or resistant, with 54% of human core gut bacterial species potentially affected.

Potential cellular target for eliminating bone breakdown in osteoporosis found

A recent study has discovered a cell type that governs bone formation and maintenance, shedding light on the mechanisms behind osteoporosis. Researchers found that bone marrow adipogenic lineage precursors (MALPs) play a distinct role in regulating bone remodeling, and targeting these cells could lead to more effective therapies.

Three reasons why COVID-19 can cause silent hypoxia

Researchers used computer modeling to investigate the mechanisms behind silent hypoxia in COVID-19 patients. They found that a combination of biological factors, including damaged lung tissue, blood clotting, and air-to-blood flow mismatch, contribute to low oxygen levels. This understanding can inform treatment decisions for clinicians.

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.

The very hungry, angry caterpillars

Researchers observed that monarch caterpillars become more aggressive in the absence of milkweed, their primary food source. The study revealed that limited food availability triggers an attack response among caterpillars, highlighting a previously unexplored aspect of insect behavior.

New tool to combat terrorism

Forensic experts at Flinders University developed a system to trace dust DNA for terrorist investigations, matching soil profiles from specific regions or countries. This technique complements existing forensic intelligence tools and provides evidence of travel history.

A filter for environmental remediation

Researchers developed a nanopowder made of sodium titanate nanofibers that can efficiently capture Co2+ ions, increasing surface area for improved removal efficiency. The seaweed-like morphology enhances the filter's ability to remove hazardous heavy metals and radionuclides from water.

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.