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Science News Archive November 2021 - Page 35


Page 35 of 40

Mapping annual wildfire probabilities across California

A statistical modeling approach highlights predictive importance of local climate and human activity in determining wildfire probabilities. The analysis uncovered key roles for climate, human activity, fire history, and short-term climate variations in fire-prone regions.

SourcePLOS·JournalPLOS ONE·TypeComputational simulation/modeling·DateNov 3, 2021
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.

Aging-US: Alleviating vascular dysfunction & amyloid burden in Alzheimer’s

Hyperbaric oxygen therapy alleviated cognitive dysfunction, improved cerebral blood flow, and reduced amyloid burden in Alzheimer's disease models. In elderly patients with significant memory loss, HBOT showed an increase in cerebral blood flow and improvement in cognitive performance, demonstrating its therapeutic effects.

SourceImpact Journals LLC·JournalAging-US·DateNov 3, 2021

Microglia: An emerging target in Alzheimer's disease research

Recent research highlights microglia's involvement in Alzheimer's development and progression. A better understanding of microglial dysfunction may help explore signs and mechanisms of the disease, as well as enable microglia as a potential therapeutic target.

SourceSociety for Neuroscience·DateNov 3, 2021
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.

Memories… or why inflammatory arthritis always recurs in certain joints

A new study by Boston Children's Hospital researchers found that tissue-resident memory T cells in joints anchor themselves after a flare and wait for another trigger to react. Deleting these cells prevents arthritis flares from occurring, opening up new therapeutic avenues for rheumatoid arthritis treatment.

SourceBoston Children's Hospital·JournalCell Reports·DateNov 3, 2021

Dipole scatterers for absolute characterization of high numerical aperture optics

A team of scientists has developed a novel method to characterize microscope objectives without an aberration-less reference element, enabling error correction and precise data collection. Using nanoscale dipole scatterers, they create a nearly-perfect reference wave for measurement.

SourceLight Publishing Center, Changchun Institute of Optics, Fine Mechanics And Physics, CAS·JournalLight Science & Applications·DateNov 3, 2021

AGA recommends change in testing protocol for cirrhosis patients

The American Gastroenterological Association (AGA) has released new clinical guidelines that recommend against extensive preprocedural testing to estimate clotting in patients with cirrhosis. This change aims to reduce the risk of morbidity and mortality associated with unnecessary blood clotting tests.

SourceAmerican Gastroenterological Association·JournalGastroenterology·DateNov 3, 2021

Advanced breast cancer patients denied opportunities to join clinical trials

A recent survey of advanced breast cancer patients in the UK reveals that only 14% have been recruited to a trial, highlighting a need for improved access. Patients often face barriers, including clinician reluctance to discuss trials and a lack of patient-friendly databases.

SourceAssociação Advanced Breast Cancer Global Alliance·TypeObservational study·DateNov 3, 2021
Meta Quest 3 512GB

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

The importance of social support during pregnancy

New research highlights the importance of social support during pregnancy, finding that women with low levels of emotional or affectionate support are at increased risk of depression and anxiety. The study suggests that screening for social support and providing community-based services may help improve health outcomes.

SourceUniversity of Technology Sydney·JournalBMC Pregnancy and Childbirth·TypeSurvey·DateNov 3, 2021

Novel drug liberates tumour vessels to aid cancer drug delivery

A therapeutic antibody has been shown to unblock and normalise blood vessels inside cancerous tumours, enabling the more effective delivery of targeted cancer treatments. The findings also suggest that inhibiting LRG1 protein production can enhance the effectiveness of immunotherapies, including checkpoint inhibitors and CAR T-cell the...

SourceUniversity College London·JournalMed·TypeExperimental study·DateNov 3, 2021

A new cell factory for high-efficiency production of ectoine

Researchers have engineered E. coli to produce high levels of ectoine, a natural stabilizer of proteins and membranes, through metabolic engineering and fed-batch fermentation. This breakthrough increases efficiency and reduces the need for high-salinity culture mediums, paving the way for large-scale industrial production.

SourceKeAi Communications Co., Ltd.·JournalGreen Chemical Engineering·DateNov 3, 2021

Bilingualism comes naturally to our brains, new study shows

A recent study found that bilinguals use the same neural mechanism to combine words from different languages as they do with single-language expressions. This suggests that language switching is natural for bilinguals due to a combinatory mechanism in the brain that doesn't detect language changes.

SourceNew York University·JournaleNeuro·TypeExperimental study·DateNov 3, 2021

Study reveals ‘drastic changes’ in daily routines during UK lockdowns

A new study found that UK citizens experienced drastic changes in their daily routines during lockdowns, with parents of young children spending significantly more time on housework and childcare. This led to a reduction in paid work time for most people, with women with young children being particularly affected.

SourceUniversity of Cambridge·JournalPLOS ONE·TypeObservational study·DateNov 3, 2021
Apple iPhone 17 Pro

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

Global carbon emissions rebound close to pre-Covid levels

The Global Carbon Project predicts an increase of 4.9% in global carbon emissions in 2021, with fossil carbon emissions set to grow more than they fell in 2020. The report highlights the need for immediate global action on climate change as world leaders meet at COP26 in Glasgow.

SourceUniversity of Exeter·JournalEarth System Science Data·TypeData/statistical analysis·DateNov 3, 2021

Securing data transfers with relativity

A team from UNIGE has developed a new system to secure data transfers using the principle of relativity. This approach enables users to identify themselves confidentially without disclosing personal information, making it suitable for cryptocurrencies and blockchain applications.

SourceUniversité de Genève·JournalNature·TypeNews article·DateNov 3, 2021

Oncotarget: Impact factor and citation metrics in phase III cancer trials

Trials that met their primary endpoint were more commonly published in journals with higher impact factors, suggesting a correlation between trial outcome and publication quality. Additionally, publications of trials leading to FDA approvals and those in high-impact journals were associated with increased Research Citation Rates.

SourceImpact Journals LLC·JournalAging-US·DateNov 3, 2021
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.

Color-changing indicator predicts algal blooms

Researchers developed a color-changing indicator that detects rising levels of alkaline phosphatase, forecasting phytoplankton growth and impending algal blooms. The portable system reliably detected enzyme activity using smartphone scanning apps, potentially enabling real-time field monitoring and prediction.

SourceAmerican Chemical Society·JournalACS Applied Nano Materials·DateNov 3, 2021

Quantifying spin for future spintronics

A RMIT-led collaboration demonstrates large in-plane anisotropic magnetoresistance (AMR) in monolayer WTe2, a quantum spin Hall insulator. The team successfully fabricates devices and observes typical transport behaviors, showing promise for future low-energy electronics.

SourceARC Centre of Excellence in Future Low-Energy Electronics Technologies·JournalNano Letters·TypeExperimental study·DateNov 3, 2021

Scientists discover how our brain uses nutritional state to regulate growth and age at puberty

Researchers found that a receptor in the brain detects nutritional state and regulates puberty timing and growth rate, explaining why humans have been growing taller and reaching sexual maturity earlier over the past century. The discovery has immediate practical implications for testing children with growth delays.

SourceUK Research and Innovation·JournalNature·TypeExperimental study·DateNov 3, 2021
Sky-Watcher EQ6-R Pro Equatorial Mount

Sky-Watcher EQ6-R Pro Equatorial Mount provides precise tracking capacity for deep-sky imaging rigs during long astrophotography sessions.

Spiny mice regenerate damaged kidneys without scarring

Researchers discovered that spiny mice can regenerate severely damaged kidneys without scarring, a process triggered by unique transcriptional programs in their genome. This finding offers new hope for treatments of end-stage kidney disease and fibrotic diseases.

SourceCell Press·JournaliScience·TypeExperimental study·DateNov 3, 2021

Nervous system manifestations of COVID-19

Research reveals SARS-CoV-2 can enter the brain and affect neural function, leading to symptoms like headache, depression, and fatigue. Many people experience lingering cognitive or neurological problems months after initial recovery.

SourceSociety for Neuroscience·DateNov 3, 2021

The tricks of lymphomas

Cancer cells alter the large blood vessels in lymph nodes, disrupting their function and allowing tumor cells to evade attack by the immune system. The researchers identified identical findings in mice and humans, providing a deeper understanding of how lymphomas protect themselves from the body's defenses.

SourceMax Delbrück Center for Molecular Medicine in the Helmholtz Association·JournalCell Reports·TypeExperimental study·DateNov 3, 2021
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.

Electric soot collector shows promise in mitigating emissions from residential biomass combustion

A new study from the University of Eastern Finland introduces an electric soot collector that achieves a 45% fine particle reduction efficiency in logwood-fired masonry heaters. The technology uses natural charges of flames to collect particles, but further optimization is needed for higher reduction efficiencies.

SourceUniversity of Eastern Finland·JournalJournal of Cleaner Production·DateNov 3, 2021

Risk of age-related diseases may be higher in younger b-cell non-hodgkin lymphoma survivors than in their older counterparts

A study found that younger B-cell non-Hodgkin lymphoma survivors are at a higher risk of developing age-related diseases, including renal failure, pneumonia, and nutritional deficiencies. The research suggests that aggressive treatment regimens may be the underlying factor contributing to this increased risk.

SourceAmerican Association for Cancer Research·JournalCancer Epidemiology Biomarkers & Prevention·DateNov 3, 2021

It takes cellular teamwork to heal the intestine

Researchers uncover intricate cellular response to rotavirus damage in intestinal epithelium, finding tuft cells contribute to repair process through production of immature enterocytes. The study provides new understanding of gut healing mechanisms and potential therapeutic targets.

SourceBaylor College of Medicine·JournalProceedings of the National Academy of Sciences·TypeExperimental study·DateNov 3, 2021

University of Huddersfield to award academic credit for LinkedIn Learning courses

The University of Huddersfield has partnered with LinkedIn Learning to offer academic credit for select online learning paths. Learners can earn credits in fields like data science, graphic design, digital marketing, and project management, enabling them to move seamlessly into undergraduate or postgraduate degree programs.

SourceUniversity of Huddersfield·TypeNews article·DateNov 3, 2021
Apple MacBook Pro 14-inch (M4 Pro)

Apple MacBook Pro 14-inch (M4 Pro) powers local ML workloads, large datasets, and multi-display analysis for field and lab teams.

High-precision geochronology reveals high-resolution Ediacaran timescale

Researchers have proposed new radioisotopic dates for Ediacaran fossil assemblages and carbon isotope perturbations, providing age constraints for both. The study reveals two negative carbon isotope excursions in the 575–550 Ma period, with the Shuram event occurring between 575 Ma and 565 Ma.

SourceChinese Academy of Sciences Headquarters·JournalScience Advances·DateNov 3, 2021

Hungry caterpillars an underappreciated driver of carbon emissions

A University of Cambridge study reveals that periodic caterpillar outbreaks improve lake water quality but increase CO2 emissions by altering nutrient cycling and favouring greenhouse gas-producing bacteria. This phenomenon is likely to worsen as climate change expands the insects' range, threatening northern forests.

SourceUniversity of Cambridge·JournalNature Communications·DateNov 3, 2021
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 precise function of the RNA helicases in ribosome synthesis

Researchers used a yeast model to understand the dynamics of early-stage ribosomal subunit assembly, discovering snR190 functions as an RNA chaperone. The study also identified Dbp7 as the enzyme responsible for dissociating snR190 from ribosomal RNA precursors.

SourceUniversity of Seville·JournalNature Communications·DateNov 3, 2021

Experts call for urgent roo management reforms

Scientists call for scientifically-informed reforms to manage overabundant kangaroo populations, addressing animal welfare, conservation and environmental concerns. The special edition of the journal features research papers on sustainable monitoring and management practices to reduce harm to wildlife species.

SourceUniversity of Adelaide·JournalEcological Management & Restoration·DateNov 3, 2021

Impaired wild mice survive and thrive as well as unimpaired counterparts

A 26-year study on wild white-footed mice found that mice with physical impairments survived and thrived at a rate similar to their unimpaired counterparts. Mice with impairments had greater mass and larger home ranges, but no evidence of decreased fitness.

SourceCary Institute of Ecosystem Studies·JournalProceedings of the Royal Society B Biological Sciences·TypeObservational study·DateNov 3, 2021
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.

How does the brain create our perception of reality?

Researchers uncover how sensory inputs and cognitive processes interact in the brain to create our perception of the world. The study explores the neural basis of perceptual phenomena, shedding light on disorders like ADHD, autism, and Alzheimer's disease.

SourceSociety for Neuroscience·DateNov 3, 2021

When is a basin of attraction like an octopus?

Researchers describe a simple argument showing that basins in high-dimensional systems should look like high-dimensional octopi. The volume of these basins cannot be correctly approximated by a hypercube, which fails to encompass the vast majority of points in the basin.

SourceSanta Fe Institute·JournalPhysical Review Letters·TypeComputational simulation/modeling·DateNov 3, 2021
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.

One and done: Researchers urge testing eyewitness memory only once

A team of psychological scientists and criminologists recommend testing eyewitness memory only once to prevent contaminated memories from convicting innocent people. The first identification is the most reliable test, which can avoid further contamination and ensure justice.

SourceUniversity of California - San Diego·JournalPsychological Science in the Public Interest·DateNov 3, 2021

Quillwort genome highlights divergences in aquatic CAM photosynthesis

Researchers have sequenced the quillwort genome, uncovering unique genetic mechanisms regulating CAM photosynthesis in these aquatic plants. The study found differences in phosphoenolpyruvate carboxylase function between quillworts and terrestrial plants.

SourceBoyce Thompson Institute·JournalNature Communications·TypeExperimental study·DateNov 3, 2021

Why sugary drink taxes aren’t effective -- and how to change that

A recent study found that sugary drink taxes only reduce purchasing when price tags mention the tax, but not the amount. Consumers tend to overestimate how much the tax is, making them more willing to pay it if they know the true size of the tax.

SourceOhio State University·JournalPsychological Science·TypeExperimental study·DateNov 3, 2021

COVID-19: Governments must stop vaccine cost secrecy

A recent study estimates that the net manufacturing costs for 100 million doses of COVID-19 vaccine ready for shipping range from $0.54 to $0.98. Companies charge significantly higher prices, despite discounts and tiered pricing for low-income countries, which are likely to prolong the global pandemic.

SourceSAGE·JournalJournal of the Royal Society of Medicine·TypeData/statistical analysis·DateNov 3, 2021
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.

Laboratory will illuminate formation, composition, activity of comets

Researchers created a laboratory to simulate comets in space-like conditions, measuring their properties and evolution. The CoPhyLab chamber allows scientists to compare samples and track gas evaporation and particle loss, providing insights into comet formation and solar system history.

SourceAmerican Institute of Physics·JournalReview of Scientific Instruments·DateNov 3, 2021

Is waking up to smoke a drag on people’s ability to quit smoking?

A recent study published in Behavioral Sleep Medicine found that people who wake up, smoke, and return to sleep are more likely driven by stress than nicotine addiction. To help these smokers quit, researchers recommend addressing their psychological distress and developing treatments that go beyond nicotine dependence.

SourcePenn State·JournalBehavioral Sleep Medicine·TypeObservational study·DateNov 3, 2021

Using microbes to make carbon-neutral fuel

Researchers at Washington University in St. Louis have developed a way to train microbes to produce a readily usable biofuel from CO2, solar panel-generated electricity and light. The resulting n-butanol is an authentically carbon-neutral fuel alternative that can be used in blends with diesel or gasoline.

SourceWashington University in St. Louis·JournalCommunications Biology·TypeExperimental study·DateNov 3, 2021
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.

Combating antibiotic resistance

The need for new antibiotics is critical due to rising antibiotic resistance, which kills over 35,000 people annually in the US. Research by Harvard Medical School aims to develop better antibiotics by targeting essential bacterial proteins.

SourceHarvard Medical School·JournalScience·DateNov 3, 2021