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Science News Archive 2020 - Page 256


Page 256 of 512

X-ray scattering shines light on protein folding

A study by KAIST researchers used X-ray scattering to track protein folding, revealing multiple forms of an unfolded protein follow different pathways and timelines. The findings could improve computer simulations, paving the way for better disease studies and drug development.

SourceThe Korea Advanced Institute of Science and Technology (KAIST)·JournalProceedings of the National Academy of Sciences·DateJul 9, 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.

Study sheds light on bushfires' microclimate impact

Researchers monitored air temperature, humidity, and particulate matter pollution during the 2019-20 Australian bushfires. The study found specific combinations of air temperature and relative humidity led to higher pollutant accumulation, highlighting the importance of understanding microclimatic impacts on urban areas.

SourceIOP Publishing·JournalEnvironmental Research Communications·DateJul 9, 2020

Engineers design a reusable, silicone rubber face mask

A new, reusable face mask made of durable silicone rubber and an N95 filter has been designed to be easily sterilized and used many times. The team tested various sterilization methods and found that the material remained undamaged after autoclaving, oven treatment, or soaking in bleach and isopropyl alcohol.

SourceMassachusetts Institute of Technology·DateJul 9, 2020

Comparing stress cardiomyopathy before, during COVID-19 pandemic

This observational study compared patients with acute coronary syndrome presenting during and before the COVID-19 pandemic to investigate stress cardiomyopathy incidence. Stress cardiomyopathy was found to be more prevalent during the pandemic, suggesting a potential impact of COVID-19 on cardiovascular health.

SourceJAMA Network·JournalJAMA Network Open·DateJul 9, 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.

Cycad stem cuttings need wound sealants for successful propagation

A study by the University of Guam found that cycad stem cuttings require wound sealants to survive and propagate. The researchers discovered that petroleum jelly, lanolin paste, honeycomb wax, and even modelling clay can effectively cover wounds and retain hydration.

SourceUniversity of Guam·JournalTropical Conservation Science·DateJul 9, 2020

Discovery reveals how plants make cellulose for strength and growth

Researchers at the University of Virginia have discovered how plants make cellulose, a key component of cell walls. Cellulose is created through molecular machinery that produces three chains, which are then transported to the cell surface and assembled into microfibrils for added strength.

SourceUniversity of Virginia Health System·JournalScience·DateJul 9, 2020

A new role for a tiny linker in transmembrane ion channels

A team of researchers has discovered a new role for a tiny linker in regulating transmembrane ion channels, which could lead to new targets for drugs and treatment in conditions such as hypertension and autism. The study found that the linker plays a more active sensing role than previously thought.

SourceUniversity of Massachusetts Amherst·DateJul 9, 2020
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.

Contracting COVID-19, lifestyle and social connections may play a role

Research highlights the link between unhealthy lifestyle habits, emotional stressors, and increased risk of respiratory infections. Social isolation, loneliness, and interpersonal conflicts are also major contributors to the spread of COVID-19.

SourceAssociation for Psychological Science·JournalPerspectives on Psychological Science·DateJul 9, 2020

Bats offer clues to treating COVID-19

Researchers found that bats' ability to control inflammation may hold clues to developing new treatments for diseases in humans. By understanding the mechanisms underlying bats' unique abilities, scientists may be able to develop therapies to fight diseases like COVID-19.

SourceUniversity of Rochester·JournalCell Metabolism·DateJul 9, 2020

Scientists trace the origin of our teeth from the most primitive jawed fish

Researchers use advanced X-ray technology to study ancient fish fossils, revealing modern features and challenging previous assumptions about tooth evolution. The findings suggest that the ancestors of modern vertebrates retained a common dental structure, with new teeth added on the inside, contrary to long-held perceptions.

SourceEuropean Synchrotron Radiation Facility·JournalScience·DateJul 9, 2020
Apple iPhone 17 Pro

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

Breast cancer cells can reprogram immune cells to assist in metastasis

Researchers discovered that metastatic breast cancer cells can reprogram natural killer (NK) cells to stop killing cancer cells and instead aid in metastasis. This work also identifies new immunotherapy strategies to reverse this reprogramming process, offering a potential way to prevent or reduce breast cancer mortality.

SourceJohns Hopkins Medicine·JournalJournal of Cell Biology·DateJul 9, 2020

Study sheds light on how cancer spreads in blood

Researchers analyzed extracellular vesicles in human prostate cancer cells to understand how cancer spreads. The findings suggest a new approach to diagnose malignancies without invasive biopsies.

SourceCedars-Sinai Medical Center·JournalJournal of Extracellular Vesicles·DateJul 9, 2020

Gene yields insights into the causes of neurodegeneration

Researchers have identified a gene, TMEM106B, as a risk factor for neurodegenerative diseases such as Alzheimer's and frontotemporal dementia. The study found that a mutation in this gene disrupts the formation of myelin sheaths around nerve fibers, leading to neurological defects.

SourceCornell University·JournalBrain·DateJul 9, 2020

Major cause of rare genetic mitochondrial disease identified

A cutting-edge study has identified ATAD3 as the most common cause of lethal mitochondrial disease in children dying soon after birth. The study found that spontaneous gene alterations resulted in fatal heart failure, but parents have a low risk of passing the disease to their next child.

SourceMurdoch Childrens Research Institute·JournalMed·DateJul 9, 2020
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.

A new look at deep-sea microbes

Researchers found that microbes inside hydrocarbon seeps have less efficient, fast-growing lifestyles while those outside have slower but more efficient lives. This difference in lifestyle could mirror how microbes behave higher in the water column.

SourceUniversity of Delaware·JournalScientific Reports·DateJul 9, 2020
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.

When child care meets aged care, worlds align

A new ageing well initiative aims to bring together children with older people in a structured way, delivering health and wellbeing benefits for all. The Child Care in Aged Care project promotes meaningful community connections and challenges stereotypes through intergenerational activities.

SourceUniversity of South Australia·DateJul 9, 2020

Advanced technology sheds new light on evolution of teeth

Researchers used synchrotron microtomography to visualize ancient fossils and found that acanthothoracid teeth were attached to jaw-bones like modern fish and land animals. This discovery challenges the common perception that sharks are primitive living vertebrates.

SourceUppsala University·JournalScience·DateJul 9, 2020

Breast cancer cells turn killer immune cells into allies

Researchers at Johns Hopkins University School of Medicine discovered that breast cancer cells can alter the function of NK cells to facilitate their spread. The study suggests preventing this reprogramming might stop breast cancer from metastasizing, a major cause of death in breast cancer patients.

SourceRockefeller University Press·JournalJournal of Cell Biology·DateJul 9, 2020

Fishing for a theory of emergent behavior

The study used advanced metrics from information theory to describe the collective behavior of small schools of ayu fish, finding that groups of three or more exhibited noticeably different dynamics. This work may aid in developing cooperative biomimetic swarming robots and help understand fundamental problems in complexity theory.

SourceUniversity of Tsukuba·JournalEntropy·DateJul 9, 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.

Surprisingly many peculiar long introns found in brain genes

A study of human and mouse genes reveals a link between intron phase and length, shedding light on the functioning of brain cells. Long phase 1 introns found in genes involved in nerve impulse transmission may play a key role in this process.

SourceMoscow Institute of Physics and Technology·JournalPLOS ONE·DateJul 9, 2020

Challenges in evaluating SARS-CoV-2 vaccines

Researchers must consider factors like population immunity, social distancing, and baseline immunity when evaluating vaccine efficacy. Adequate sample sizes are needed to demonstrate vaccine effectiveness, which may be influenced by COVID-19 severity in vaccinated individuals.

SourceCanadian Medical Association Journal·JournalCanadian Medical Association Journal·DateJul 9, 2020

Extreme rainfall events cause top-heavy aquatic food webs

Researchers replicated extreme rainfall events in Central and South America's neotropics, finding top-heavy food webs with predators when rainfall varied daily. This altered the trophic structure of bromeliad tanks, affecting energy flow through ecosystems.

SourceUniversity of British Columbia·JournalNature Communications·DateJul 9, 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.

Fair justice systems need open data access

A Northwestern University-led team has developed an AI-powered platform to make federal court records publicly available, enabling researchers to analyze and evaluate the justice system. The tool aims to provide quantitative feedback to fix variations in judges' decisions on fee waivers, ultimately promoting fair access to justice.

SourceNorthwestern University·JournalScience·DateJul 9, 2020

Our itch to share helps spread COVID-19 misinformation

A study by MIT scholars reveals that social media sharing interferes with assessing news accuracy, but participants who think critically or have scientific knowledge share fewer false headlines. Rating non-Covid-19 headlines before sharing Covid-19 news increases accuracy significantly.

SourceMassachusetts Institute of Technology·JournalPsychological Science·DateJul 9, 2020

Expansion stress enhances growth and migration of breast cancer cells

Researchers at the University of Alabama at Birmingham found that biomechanical forces in the tumor microenvironment enhance breast cancer cell growth, invasion, and metastasis. The study also discovered that exosome production plays a key role in promoting aggressive tumor growth and inducing immune suppression.

SourceUniversity of Alabama at Birmingham·JournalLaboratory Investigation·DateJul 9, 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.

First Alaskan juvenile predator fossil adds insight to dino migration

A new Alaskan fossil discovery of a juvenile dromaeosaurid jaw bone has significant implications for the understanding of Cretaceous period dinosaurs. The study, published in PLOS ONE, supports the theory that some Arctic dinosaurs did not migrate with the seasons but were year-round residents.

SourceSouthern Methodist University·JournalPLOS ONE·DateJul 8, 2020

Enforcing gender quotas increases boardroom diversity and quality

A study by City University London's Business School found that countries with mandatory gender quotas have significantly higher female representation on their boards of directors compared to those with voluntary guidelines. The research also showed no deterioration in board quality, and even improvement, under mandatory regulation.

SourceCity St George’s, University of London·JournalEconomics Letters·DateJul 8, 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.

Stress testing 'coral in a box'

Researchers have developed a rapid stress test to assess coral thermotolerance, allowing for the identification of resilient corals that can survive ocean warming. The 'Coral Bleaching Automated Stress System' (CBASS) enables on-site testing within 18 hours, compared to months in a laboratory.

SourceUniversity of Konstanz·JournalGlobal Change Biology·DateJul 8, 2020

Tackling coral reefs' thorny problem

Researchers from OIST Graduate University discovered the crown-of-thorns starfish's evolution, shedding light on its population changes and potential threats to coral reefs. The findings suggest complex ocean currents in the Ryukyu Archipelago may aid the survival of the larvae.

SourceOkinawa Institute of Science and Technology (OIST) Graduate University·DateJul 8, 2020

Late coronary stent thrombosis in patient with COVID-19

A patient with COVID-19 developed late drug-eluting stent thrombosis, a serious cardiovascular complication. The case report highlights the need for careful monitoring and management of patients with COVID-19 to prevent such adverse events.

SourceJAMA Network·JournalJAMA Cardiology·DateJul 8, 2020
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 work to better measure delirium severity in older patients

A study aimed to develop and validate tools for assessing delirium severity in older patients, which could lead to improved prevention and treatment. Researchers identified a set of items capturing the severity of delirium and developed a new instrument for quick and easy administration.

SourceHebrew SeniorLife Hinda and Arthur Marcus Institute for Aging Research·DateJul 8, 2020

Rock 'n' control

Researchers at University of Göttingen use femtochemistry to film and control chemical reactions on solid surfaces. They successfully transfer principle from molecules to a solid, controlling its crystal structure with high efficiency.

SourceUniversity of Göttingen·JournalNature·DateJul 8, 2020
Celestron NexStar 8SE Computerized Telescope

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

Large-scale fall prevention study finds smaller than expected benefit

A randomized trial of a multifactorial fall injury prevention strategy found an approximately 8-10% reduction in serious fall injuries, lower than expected. The study enrolled 5,451 people aged 70 and older and evaluated the effectiveness of a nurse-delivered intervention.

SourceBrigham and Women's Hospital·JournalNew England Journal of Medicine·DateJul 8, 2020

New molecular tool precisely edits mitochondrial DNA

A team at Broad Institute of MIT and Harvard developed a new molecular editor that can precisely edit mitochondrial DNA, enabling modeling of disease-associated mutations. The editor, engineered from a bacterial toxin, enables researchers to study genetic changes associated with cancer, aging, and more.

SourceBroad Institute of MIT and Harvard·JournalNature·DateJul 8, 2020
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.

Biobased chemicals take center stage

Biobased chemicals are being developed to replace petroleum-based products in various industries, including diapers, electronics, and automotive coatings. These new materials offer improved performance and sustainability, with potential applications in areas such as electronic touchscreen displays and emission-reducing coatings.

SourceAmerican Chemical Society·JournalChemical & Engineering News·DateJul 8, 2020

Researchers find promising therapy to fight epidemic of liver disease

Researchers have discovered a new target and therapy to fight NAFLD, a major health issue affecting 25% of the world population. Using siRNA to silence MCJ protein, they found reduced liver steatosis and fibrosis in preclinical mouse models.

SourceUniversity of Colorado Anschutz Medical Campus·JournalNature Communications·DateJul 8, 2020
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.

Does early access to pension funds improve health?

A recent study from Singapore found that early access to pension wealth improves overall health status. The researchers analyzed monthly survey data from 2015 to 2019 and discovered that individuals who accessed their pension funds before age 55 had better self-reported health status afterward.

SourceWiley·JournalEconomic Inquiry·DateJul 8, 2020