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Science News Archive 2023 - Page 66


Page 66 of 444

Modeling the measurement precision of Fringe Projection Profilometry

Researchers develop complete theoretical model for Fringe Projection Profilometry (FPP) to evaluate its measurement precision. The new models provide a generic noise chain and transfer models, achieving accurate results in various regions of the camera.

SourceLight Publishing Center, Changchun Institute of Optics, Fine Mechanics And Physics, CAS·JournalLight Science & Applications·DateNov 2, 2023
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.

Optical-fiber based single-photon light source at room temperature for next-generation quantum processing

Scientists create a low-cost, room-temperature single-photon light source by doping optical fibers with ytterbium ions, paving the way for affordable quantum technologies. The innovation overcomes cooling system limitations, enabling applications in true random number generation, quantum communication and high-resolution image analysis.

SourceTokyo University of Science·JournalPhysical Review Applied·TypeExperimental study·DateNov 2, 2023

Research examines why mask usage in Japan persists

Research out of Osaka University reveals that many Japanese people continue to wear masks for socio-psychological reasons, including relief and norm. The study found correlations between mask usage motivations and actual mask usage before and after the government downgraded COVID-19's legal status.

SourceOsaka University·JournalInternational Journal of Disaster Risk Reduction·TypeObservational study·DateNov 2, 2023

Practicing mindfulness can help people make heart-healthy eating choices

A study led by Brown University researchers found that mindfulness-based blood pressure reduction programs improve health behaviors associated with lower blood pressure. Participants in the program showed significant improvements in adherence to a heart-healthy diet and self-awareness, which influences dietary choices.

SourceBrown University·JournalJAMA Network Open·TypeRandomized controlled/clinical trial·DateNov 2, 2023
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.

New antibodies neutralize resistant bacteria

Researchers have discovered highly effective antibodies against P. aeruginosa that can block its type III secretion system and are effective against highly resistant bacteria. These 'pathoblockers' offer a potential therapeutic approach for treating acute and chronic infections with multi-resistant pathogens.

SourceUniversity of Cologne·JournalCell·TypeExperimental study·DateNov 2, 2023

Damaging thunderstorm winds increasing in central U.S.

New research by the National Center for Atmospheric Research shows a fivefold increase in damaging thunderstorm straight line winds in the central U.S. over the past 40 years, resulting from warmer temperatures and increasing wind speeds. The study used high-resolution computer modeling to estimate changes in winds and found that clima...

SourceNational Center for Atmospheric Research/University Corporation for Atmospheric Research·JournalNature Climate Change·TypeComputational simulation/modeling·DateNov 2, 2023
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.

Research outlines how sex differences have evolved

A new study has found that sex differences emerge gradually during organ development, increasing sharply around sexual maturity. The researchers discovered that different genes are 'sex-biased' across species, with only a few shared across all mammalian species.

SourceThe Francis Crick Institute·JournalScience·TypeObservational study·DateNov 2, 2023

Novel concept of ‘metabolic elasticity’ offers new screening strategy for metabolic health; provides potential means of curbing metabolic decline in ageing and obesity

Researchers developed a new framework to measure metabolic health, introducing the concept of metabolic elasticity. The study found that metabolic elasticity declines with age and obesity, affecting the body's ability to adapt to changing energy needs.

SourceDuke-NUS Medical School·JournalCell Metabolism·TypeExperimental study·DateNov 2, 2023

Online grocery shopping promotes less variety, fewer impulse buys

A Cornell University study found that online grocery carts have less variety and fewer fruits and vegetables than in-store carts, with more overlapping items between successive trips. However, online shoppers are less susceptible to unhealthy impulse buys.

SourceCornell University·JournalMarketing Science·DateNov 2, 2023
Meta Quest 3 512GB

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

A known environmental hazard can change the epigenetics of cells

A recent study found that formaldehyde, a common environmental hazard, can change the epigenetics of cells. The toxic substance alters the regulation of genes and is linked to an increased risk of developing cancer, as well as other diseases such as hepatic degeneration and asthma.

SourceJosep Carreras Leukaemia Research Institute·JournalScience·TypeExperimental study·DateNov 2, 2023

Immune system: mechanisms of alarmin release discovered

Scientists have identified how neutrophils release pro-inflammatory messengers called alarmins through tiny pores in the cell membrane at an early stage of the immune response. This discovery could lead to new therapeutic approaches for inflammatory diseases such as arteriosclerosis, diabetes, and neurodegenerative disorders.

SourceLudwig-Maximilians-Universität München·JournalNature·DateNov 2, 2023
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.

Contrary to common belief, artificial intelligence will not put you out of work

A new study in Management Science found that AI favors junior workers over senior colleagues due to their lower sensitivity to imperfections, despite the latter's greater task-based experience. This challenges conventional wisdom and highlights the importance of considering worker experience types when introducing AI into the workplace.

SourceInstitute for Operations Research and the Management Sciences·JournalManagement Science·TypeObservational study·DateNov 2, 2023

Making gluten-free, sorghum-based beers easier to brew and enjoy

Researchers discovered an enzyme that can improve the quality and alcohol content of sorghum-based beers. By optimizing brewing parameters, brewers can create wort with higher concentrations of fermentable glucose, resulting in better-tasting drinks.

SourceAmerican Chemical Society·JournalJournal of Proteome Research·DateNov 2, 2023

Spatiotemporal mode-locking and dissipative solitons in multimode fiber lasers

Recent review highlights research progress on spatiotemporal mode-locking (STML) and dissipative solitons (STDSs) in multimode fiber (MMF) lasers, outlining breakthrough perspectives for STML. Achieving ultrahigh pulse energy and arbitrary mode profiles is crucial, enabling diverse applications such as nonlinear microscopy.

SourceLight Publishing Center, Changchun Institute of Optics, Fine Mechanics And Physics, CAS·JournalLight Science & Applications·DateNov 2, 2023
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.

Exercise therapy based on smart data to improve patients' quality of life

Researchers at Mainz University Medical Center aim to improve patients' quality of life by applying smart data technology to physical activity. The DECIDE project aims to provide individualized control of patients' daily physical activity, while the RELEVIUM project focuses on alleviating pain and weight loss in pancreatic cancer patie...

SourceJohannes Gutenberg Universitaet Mainz·DateNov 2, 2023

Unraveling the mysteries of the brain with the help of a worm

A team of neuroscientists and physicists at Princeton University studied the brain of Caenorhabditis elegans to understand how information flows through a network of interacting neurons. They used optogenetics to activate individual neurons and observe how other neurons responded, shedding light on the complex neural connections.

SourcePrinceton University·JournalNature·TypeExperimental study·DateNov 2, 2023

Researchers identify the mutations that drive resistance to PI3K inhibitors in breast cancer that can be overcome by next generation agents

Mutations in the PIK3CA gene lead to elevated production of the PI3Ka protein, found in approximately 40% of hormone receptor-positive breast cancers. Next-generation PI3Kalpha inhibitors targeting a different region of the mutant protein show promise in overcoming resistance.

SourceMass General Brigham·JournalCancer Discovery·TypeExperimental study·DateNov 2, 2023

Investigators examine shifts in coral microbiome under hypoxia

A new study reveals that the coral microbiome changes after just 48 hours when oxygen levels drop, with some bacteria increasing in abundance. The research suggests that changes in the microbiome may influence coral resilience to low oxygen conditions and warming seas.

SourceAmerican Society for Microbiology·JournalApplied and Environmental Microbiology·DateNov 2, 2023

Alternative antibiotic selection can reduce the risk of healthcare-associated infections for patients with pneumonia

A VA study found that doxycycline use in high-risk pneumonia patients with a prior C. diff infection reduced new infections by 45% compared to azithromycin. Doxycycline's optimal absorption and minimal impact on the gut microbiome may contribute to this effect.

SourceAssociation for Professionals in Infection Control·JournalAmerican Journal of Infection Control·TypeData/statistical analysis·DateNov 2, 2023
Apple iPhone 17 Pro

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

AI trained to identify least green homes by Cambridge researchers

A new AI model trained by Cambridge researchers can classify 'hard-to-decarbonize' houses with high accuracy, enabling policymakers to prioritize improvement efforts. The model uses open-source data and can be adapted for use in countries with patchy datasets.

SourceUniversity of Cambridge·JournalSustainable Cities and Society·DateNov 2, 2023

An eco-friendly solar-driven protocol solves water-oil separation

Researchers in China have developed an effective oil separation technique using solar thermal energy, achieving high oil removal efficiency (>99%) and long-term stability. The new protocol also generates electricity and is environmentally friendly.

SourceHigher Education Press·JournalFrontiers of Environmental Science & Engineering·TypeExperimental study·DateNov 2, 2023
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.

Exploding stars

Researchers from Helmholtz-Zentrum Dresden-Rossendorf are studying near-Earth cosmic explosions to understand their potential impact on the Earth's biosphere. They found that ejected debris can reach our solar system, with some isotopes, such as iron-60 and plutonium-244, potentially coming from supernovae or other galactic events.

SourceHelmholtz-Zentrum Dresden-Rossendorf·JournalAnnual Review of Nuclear and Particle Science·TypeSystematic review·DateNov 2, 2023

Sylvester researcher, collaborators explain how petrochemicals fuel cancer risks

The study highlights the significant role petrochemicals play in cancer risks through every stage of processing, from extraction to disposal. Communities like East Palestine, Ohio, face increased cancer risks due to air pollution, while climate change worsens healthcare disruptions for patients with cancer.

SourceUniversity of Miami Miller School of Medicine·JournalJAMA Oncology·DateNov 2, 2023

Metabolite tells cells whether to repair DNA

A specific nucleotide metabolite called GTP controls responses to radiation and chemotherapy in an unexpected way. Increasing GTP levels makes cells resistant to treatment, while lowering them makes cells more sensitive.

SourceMichigan Medicine - University of Michigan·JournalCancer Discovery·TypeExperimental study·DateNov 2, 2023
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.

Chinese Medical Journal study analyzes recent global and national trends of atherosclerosis

A recent study analyzing global and national trends of atherosclerosis found an increasing trend in incidence from 1990 to 2019, driven by adults aged 20–54. The burden of the disease is particularly concerning in low- and middle-income countries, where it is rising significantly due to lifestyle factors and aging populations.

SourceCactus Communications·JournalChinese Medical Journal·TypeData/statistical analysis·DateNov 2, 2023

Southern hemisphere dominates decline in global water availability

Global land water availability declined from 2001 to 2020, primarily driven by Southern Hemisphere climate variability. The region experienced a significant decrease in water availability over the last 20 years, contributing 95% of global variance.

SourceAmerican Association for the Advancement of Science (AAAS)·JournalScience·DateNov 2, 2023

New study sheds light on the molecular mechanisms underlying lipid recycling within cells

A recent study published in the Journal of Cell Biology has made significant progress in understanding autophagy and lipid recycling. Researchers used yeast as a model organism to identify key players in the process, including Atg15, Pep4, and Prb1, and demonstrated that Pep4 and Prb1 activate Atg15 to break down phospholipid bilayers.

SourceTokyo Institute of Technology·JournalJournal of Cell Biology·TypeExperimental study·DateNov 2, 2023

Scientists map loss of groundwater storage around the world

A new study maps permanent groundwater storage loss around the world, highlighting a significant impact on aquifers. The research provides insights into the global subsidence phenomenon, shedding light on the causes and consequences of this environmental issue.

SourceDesert Research Institute·JournalNature Communications·DateNov 2, 2023

Breast cancer incidence after a false-positive mammography result

A recent study published in JAMA Oncology found that false-positive mammography results may significantly increase the risk of developing breast cancer. The risk varies depending on individual characteristics and follow-up, highlighting the need for personalized screening strategies after a false-positive result.

SourceJAMA Network·JournalJAMA Oncology·DateNov 2, 2023
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.

Researchers identify female sex determining gene in mice

A team of researchers has identified a key gene responsible for ovarian development in mice, shedding light on the early stages of sex determination. The -KTS variant of WT1 is essential for female gonad formation, regardless of XX or XY chromosomes, and may hold clues to understanding disorders of sex development.

SourceThe Francis Crick Institute·JournalScience·TypeExperimental study·DateNov 2, 2023

Physicians advocate to combat physicians' moral injury and lift the stigma associated with it

The Journal of Pediatric Rehabilitation Medicine addresses the rising stressors causing mental health issues among healthcare professionals, including revenue generation, administrative issues, and patient satisfaction metrics. Physicians advocate for meaningful reforms, including adjustment of healthcare system expectations, cultural ...

SourceIOS Press·JournalJournal of Pediatric Rehabilitation Medicine·TypeCommentary/editorial·DateNov 2, 2023

Rats have an imagination, new research finds

Researchers at HHMI's Janelia Research Campus have discovered that rats can think about places and objects not in front of them, generating specific neural activity patterns in the hippocampus. This ability is fundamental to remembering past events and imagining future scenarios, indicating that animals possess a form of imagination.

SourceHoward Hughes Medical Institute·JournalScience·DateNov 2, 2023

Researchers launch first study of a vaginal film that dissolves in 30 days to assess its acceptability as a potential HIV prevention method for women

A vaginal film designed to dissolve in 30 days is being tested for its feasibility and acceptability as a potential HIV prevention method for women. The study will enroll 100 women and assess the comfort, usability, and safety of two prototype films with different shapes.

SourceMATRIX: A USAID Project to Advance the Research and Development of Innovative HIV Prevention Products for Women·TypeRandomized controlled/clinical trial·DateNov 2, 2023

Hollings researchers uncover new targets for breast cancers resistant to standard therapies

Researchers at MUSC Hollings Cancer Center have identified new targets for treating breast cancer that has become resistant to hormone therapy and CDK4/6 inhibitors. By understanding the molecular mechanisms of resistance, the team has found potential solutions using epidermal growth factor receptors and PARP inhibitors.

SourceMedical University of South Carolina·JournalNature Communications·DateNov 2, 2023
Celestron NexStar 8SE Computerized Telescope

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

How a climate model can illustrate and explain ice-age climate variability

Researchers used a well-tested climate model to depict changes in natural climate variability during the last peak glacial period. The study found that internal mechanisms, such as variations in salinity and temperature, drove the multi-centennial climate variability, resulting in fluctuations in sea ice extent and Greenland temperatures.

SourceMARUM - Center for Marine Environmental Sciences, University of Bremen·JournalScience Advances·DateNov 2, 2023

Black holes are messy eaters

Research reveals that supermassive black holes consume about 3% of the gas flowing towards them, while the remaining 97% is ejected and recycled back into the host galaxy. Gravitational instability drives the inflow, and most expelled outflows are not fast enough to escape the galaxy.

SourceNational Institutes of Natural Sciences·JournalScience·TypeObservational study·DateNov 2, 2023
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.

New strategy attacks treatment-resistant lymphomas

Researchers at Weill Cornell Medicine have discovered a new mechanism that makes some cancers treatment-resistant, involving the shuttling of messenger RNAs from the nucleus to the cytoplasm. The approach targets this mechanism with a combination of approved chemotherapies, showing promise in treating persistent cases.

SourceWeill Cornell Medicine·JournalCancer Research·DateNov 2, 2023

What a “2D” quantum superfluid feels like to the touch

Scientists at Lancaster University have discovered that superfluid helium-3 behaves like a two-dimensional system when probed with mechanical resonators. This finding has significant implications for our understanding of superfluidity and its potential applications in various fields.

SourceLancaster University·JournalNature Communications·TypeExperimental study·DateNov 2, 2023

Jurassic worlds might be easier to spot than modern Earth

Researchers analyzed Earth's evolution over the past 540 million years, finding that telescopes could better detect signs of life on exoplanets with a similar atmospheric composition to ancient Earth. The study suggests that planets resembling Phanerozoic Earth would have a stronger light fingerprint, making them more promising targets...

SourceCornell University·JournalMonthly Notices of the Royal Astronomical Society Letters·DateNov 2, 2023

To restore ecosystems, think about thwarting hungry herbivores

A global survey of restoration projects reveals that most efforts fail to address the impact of herbivores on young plants. By introducing predators or barriers, conservationists can increase plant regrowth by up to 89% and speed up restoration outcomes.

SourceDuke University·JournalScience·TypeObservational study·DateNov 2, 2023
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.

Johns Hopkins Medicine researchers create machine learning model to calculate chemotherapy success in patients with osteosarcoma

Researchers at Johns Hopkins Medicine created a machine learning model to calculate percent necrosis in osteosarcoma patients after chemotherapy. The model achieved an 85% positive correlation with musculoskeletal pathologist results, increasing accuracy to 99% when one outlier was removed. This could help provide patients with earlier...

SourceJohns Hopkins Medicine·JournalJournal of Orthopaedic Research®·DateNov 2, 2023

Study warns API restrictions by social media platforms threaten research

Research on people and society will be severely impacted due to the drastic changes in social media platforms' Application Programming Interfaces (APIs). The reduced or increased charges for access make it harder for researchers to conduct studies on behavioral patterns, online polarization, and misinformation.

SourceUniversity of Bath·JournalNature Human Behaviour·TypeCommentary/editorial·DateNov 2, 2023

Can acupuncture alleviate certain kinds of chest pain?

Researchers are conducting a four-year study to investigate the effectiveness of acupuncture in reducing stable angina-related chest pain. The study will enroll 112 participants and compare acupuncture treatment to watching TED Talk videos for symptom relief.

SourceUniversity of Illinois Chicago·DateNov 2, 2023

Climate-induced loss is impeding human rights in the Pacific

Climate-induced loss and damage in the Pacific are undermining fundamental human rights, including the right to a healthy environment and land ownership. Research suggests that countries must share responsibility for violating these rights if they fail to mitigate and adapt to climate change.

SourceGriffith University·JournalNature Climate Change·TypeSurvey·DateNov 2, 2023
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.