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Science News Archive May 2023 - Page 36


Page 36 of 40

Cigarette butts leak deadly toxins into the environment

A University of Gothenburg study reveals that cigarette filters contain thousands of toxic chemicals and microplastic fibers, which are lethal to aquatic larvae. The researchers urge a complete ban on filters to prevent hazardous waste from entering the environment.

SourceUniversity of Gothenburg·JournalMicroplastics and Nanoplastics·TypeExperimental study·DateMay 3, 2023

Offering genetic testing at the point of care may increase uptake

A new study suggests combining digital cancer risk assessment with point-of-care genetic testing can help overcome clinical workflow challenges that prevent at-risk patients from accessing genetic testing. The approach more than doubled the average uptake of genetic testing, showing promise for cancer prevention and detection.

SourceBoston University School of Public Health·JournalGenetics in Medicine·TypeObservational study·DateMay 3, 2023
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.

Steep 66% drop in party registration with Automatic Voter Registration

A study by Lewis & Clark College researchers found a significant decrease in party registration among Oregon voters automatically registered at the Department of Motor Vehicles. The results show a 66% reduction in partisan affiliation, with little change over time post-registration.

SourceLewis & Clark College·JournalElectoral Studies·TypeData/statistical analysis·DateMay 3, 2023

Traces from the past

A team of researchers has developed a non-destructive method to extract DNA from bones and teeth, allowing for direct attribution of cultural objects to specific individuals. The breakthrough enabled the recovery of ancient human DNA from a 20,000-year-old pendant, providing insights into Paleolithic societies.

SourceMax Planck Institute for Evolutionary Anthropology·JournalNature·DateMay 3, 2023

Discovery suggests route to safer pain medications

Researchers at Washington University School of Medicine have identified a potential mechanism behind hallucinations triggered by kappa opioid receptors, aiming to develop painkillers without these side effects. Targeting specific binding sites on the kappa receptor may relieve pain without inducing euphoria and addiction.

SourceWashU Medicine·JournalNature·TypeObservational study·DateMay 3, 2023

Disparities in telehealth utilization among Medicare beneficiaries

A new study reveals racial and rural disparities in telehealth utilization among Medicare beneficiaries in Arkansas. The association between chronic conditions and telehealth use was strongest among White and rural individuals, while urban and non-Hispanic Black or African American beneficiaries showed weaker associations.

SourceMary Ann Liebert, Inc./Genetic Engineering News·JournalTelemedicine and e-Health·TypeCase study·DateMay 3, 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.

Electric vehicles may mostly decrease pollution in richer, whiter neighborhoods, with less benefit for disadvantaged communities, per analysis of California's Clean Vehicle Rebate Project

A recent analysis of California's Clean Vehicle Rebate Project reveals that electric vehicles primarily reduce air pollution in affluent, white neighborhoods. However, the benefits of cleaner transportation are largely absent from disadvantaged communities, highlighting concerns about environmental justice.

SourcePLOS·JournalPLOS Climate·DateMay 3, 2023

HKU Mechanical Engineering team develops electroconductive hydrogel for biomedical applications

A research team from HKU has developed a new type of electroconductive hydrogels with outstanding mechanical strength and manufacturability, enabling various bioelectronic devices. The material shows high electrical conductivity and mechanical strength, making it suitable for applications such as neural prosthetics and cardiac patches.

SourceThe University of Hong Kong·JournalNature Communications·TypeExperimental study·DateMay 3, 2023

Study finds fluorescent guide can help detect tumor left behind after breast cancer surgery

A clinical trial of 406 patients found that a fluorescent agent allowed surgeons to identify and remove residual tumor tissue with favorable results. The technique showed promising results in detecting tumor tissue missed by standard lumpectomy procedures, potentially avoiding second surgeries for positive margins.

SourceMass General Brigham·JournalNEJM Evidence·TypeRandomized controlled/clinical trial·DateMay 3, 2023

XFELs show the final milliseconds of oxygen formation

Researchers have visualized the crucial final step of oxygen formation in Photosystem II, a protein complex that powers photosynthesis. The study provides new insights into the interaction between the protein environment and the Mn/Ca cluster, shedding light on the mechanism behind water-splitting and oxygen production.

SourceUppsala University·JournalNature·TypeExperimental study·DateMay 3, 2023
Apple iPhone 17 Pro

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

Gender gap found in research grant award amounts, re-applications

A meta-analysis of 55 studies on grant awards found women received an average of $342,000 compared to $659,000 for men. Women were also less likely to receive second grants and faced 'discounting of women's science' despite similar funding requests.

SourceWashington State University·JournalResearch Integrity and Peer Review·DateMay 3, 2023

New high-speed, two-photon microscope for precise biological imaging

A new high-speed two-photon microscope was developed with an unprecedented line scanning frequency of 400 kHz, achieving up to 10,000 frames per second. This allowed for precise observations of complex biological processes in living tissues, including calcium signal propagation and blood flow measurements.

SourceSPIE--International Society for Optics and Photonics·JournalNeurophotonics·DateMay 3, 2023

Stinging tree injects promise of pain relief

Researchers at University of Queensland have identified a novel pain pathway triggered by the Gympie-Gympie tree's toxins, which could lead to non-opioid pain relief. The gympietide toxin interacts with nerves after injection through fine needle-like hairs on the leaves and requires a partner protein called TMEM233 to function.

SourceUniversity of Queensland·JournalNature Communications·TypeExperimental study·DateMay 3, 2023

Can internet usage help protect against dementia?

Researchers found that regular internet users had approximately half the risk of dementia compared to non-users, regardless of factors such as education and age. The study suggests that online engagement may help develop cognitive reserve, which can compensate for brain aging.

SourceWiley·JournalJournal of the American Geriatrics Society·DateMay 3, 2023
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.

Minoan eruption survey improves volcanic risk assessments

A study by GEOMAR has accurately determined the volume of magma from the Minoan eruption, providing a benchmark for measuring other eruptions. The analysis combines geophysical and geological methods to estimate magma volumes and deposition sizes.

SourceHelmholtz Centre for Ocean Research Kiel (GEOMAR)·JournalNature Communications·DateMay 3, 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.

Journal of Dental Research to publish special issue on aging and oral health

The Journal of Dental Research (JDR) has published a special issue on aging and oral health, featuring research on biological mechanisms underlying age-related conditions such as cognitive decline. The issue aims to improve oral health care in older populations, promoting general health and well-being.

SourceInternational Association for Dental, Oral, and Craniofacial Research·JournalJournal of Dental Research·DateMay 3, 2023

Integrating STEM majors won’t end gender segregation at work

A new study by Cornell University sociologists suggests that increasing women's representation in STEM majors will reduce gender disparities in STEM occupations. However, the findings also indicate that labor market factors and policies play a significant role in perpetuating gender segregation. Integrating academic majors can help chi...

SourceCornell University·JournalDemography·DateMay 3, 2023

Bloodstream infections in preemies may originate from their gut microbiomes

A study published in Science Translational Medicine suggests that preterm infants' gut microbiomes play a role in the development of dangerous bacterial bloodstream infections. The researchers found that the most common bacteria causing these infections are also commonly found in the gut, and that antibiotics can disrupt the balance of...

SourceWashU Medicine·JournalScience Translational Medicine·TypeObservational study·DateMay 3, 2023

Researchers decode neural mechanism for alternating memory formation and retrieval in humans

A study published in Current Biology reveals that the hippocampus uses a specific neural mechanism to alternate between forming new memories and retrieving existing ones. The researchers found that gamma oscillations are coupled to theta waves, with different frequencies associated with encoding and retrieval processes.

SourceUniversity of Barcelona·JournalCurrent Biology·TypeExperimental study·DateMay 3, 2023
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.

New insights into liver cancer using organoids

Researchers used human liver organoids to study fibrolamellar carcinoma, a rare childhood liver cancer. They found that different genetic mutations underlie different degrees of aggressiveness in the tumors, and uncovered the probable cell-of-origin as hepatocytes.

SourcePrincess Máxima Center for Pediatric Oncology·JournalNature Communications·TypeExperimental study·DateMay 3, 2023

How is sleep affected by changing clocks and seasons?

A study published in Neurology found that the transition from daylight saving time to standard time was associated with a brief increase in sleep disorders such as difficulty falling asleep or staying asleep. In contrast, the transition from standard time to daylight saving time did not show any association with sleep problems.

SourceAmerican Academy of Neurology·JournalNeurology·DateMay 3, 2023

Laser pulses triple transition temperature for ferromagnetism in YTiO3

Scientists at the Max Planck Institute successfully induced high-temperature ferromagnetism in YTiO3 by applying laser pulses, raising the transition temperature to triple its original value. This breakthrough discovery opens new avenues for exploring and manipulating magnetic properties of materials.

SourceMax Planck Institute for the Structure and Dynamics of Matter·JournalNature·TypeExperimental study·DateMay 3, 2023
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.

Why do Champagne bubbles rise the way they do? Scientists’ new discovery is worthy of a toast

Researchers from Brown University and the University of Toulouse found that surfactants make Champagne bubble chains stable. The experiments showed that larger bubbles and surfactants help reduce tensions between liquid and gas, creating a smooth rise. This discovery has implications for understanding bubbly flows in fluid mechanics.

SourceBrown University·JournalPhysical Review Fluids·TypeExperimental study·DateMay 3, 2023
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.

Precursor of breast cancer or not?

Researchers developed a method to predict DCIS progression to invasive breast cancer using mice with human DCIS cells. The study found molecular similarities between humans and mice, including the presence of HER2 protein increasing breast cancer risk.

SourceNetherlands Cancer Institute·JournalCancer Cell·TypeExperimental study·DateMay 3, 2023

Rapid onsite FFR-CT algorithm helps facilitates clinical adoption

A new onsite deep-learning based FFR-CT algorithm demonstrates excellent diagnostic performance, with high interobserver and intraobserver reproducibility. The algorithm showed AUC of 0.975, sensitivity of 93.5%, and specificity of 97.7% for hemodynamically significant stenosis.

SourceAmerican Roentgen Ray Society·JournalAmerican Journal of Roentgenology·TypeImaging analysis·DateMay 3, 2023

“Concerning” anxiety levels among women in farming linked with isolation, financial worries and workload

A recent study found concerning levels of anxiety among female farmers in England and Wales, with factors including financial pressures, workload, and isolation contributing to moderate to severe anxiety. The research also highlights the need for greater support and social connections to improve mental health in this group.

SourceUniversity of Exeter·JournalJournal of Agromedicine·DateMay 3, 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.

Frenchman mountain dolostone: 500 million-year-old grand canyon rock layer finally gets a name

A team of researchers from UNLV has named a previously unexplored 500 million-year-old Grand Canyon formation, the Frenchman Mountain Dolostone. The new formation was identified through scientific detective work and is now understood to have been deposited over an interval of 7.3 million years during the Cambrian Period.

SourceUniversity of Nevada, Las Vegas·JournalGeosphere·TypeObservational study·DateMay 3, 2023

New catalyst transforms carbon dioxide into sustainable byproduct

Researchers at Northwestern University have developed a new catalyst that converts captured carbon dioxide into acetic acid with high efficiency. The innovation uses electrochemistry to convert CO2 into products with established markets, offering new pathways for improving the economics of carbon capture and storage.

SourceNorthwestern University·JournalNature·DateMay 3, 2023

Predict what a mouse sees by decoding brain signals

The CEBRA algorithm captures brain dynamics with high accuracy, allowing for the prediction of complex information such as visual stimuli and arm movements in primates. By analyzing brain signals alone, researchers can decode hidden structure in data, enabling new insights into how the brain processes information.

SourceEcole Polytechnique Fédérale de Lausanne·JournalNature·TypeComputational simulation/modeling·DateMay 3, 2023

Engineers tap into good vibrations to power the Internet of Things

Researchers at University of Waterloo and University of Toronto developed a novel generating system that converts mechanical vibrations into electricity. The system is compact, reliable, low-cost, and green, and has the potential to power billions of sensors needed for Internet of Things devices.

SourceUniversity of Waterloo·JournalNature Communications·DateMay 3, 2023

More woodlands will not impact tourism

A new study has found that increasing woodland cover in UK uplands will not deter tourists from visiting. The research, conducted by Aarhus University, involved over 500 tourists and showed that most would still visit even with 75% or 100% forest cover. However, the majority preferred a view from the mountain top.

SourceAarhus University·JournalLandscape and Urban Planning·TypeCase study·DateMay 3, 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.

To boost cancer immunotherapy’s fighting power, look to the gut

Research found that specific gut bacteria enhance response to PD-1 checkpoint blockade by altering immune molecules PD-L2 and RGMb. This leads to improved detection and destruction of cancer cells, offering potential for enhanced immunotherapy treatment outcomes.

SourceHarvard Medical School·JournalNature·TypeExperimental study·DateMay 3, 2023

The ultra-fast space winds that shape the evolution of galaxies

An international research team explores ultra-fast gas emissions from active galactic nuclei, which significantly change galaxy ecosystems. The study confirms the existence of these powerful emissions and their role in regulating star formation.

SourceUniversità di Bologna·JournalAstronomy and Astrophysics·DateMay 3, 2023

Sodium content at common NYC chain restaurants did not decrease one year after enforcement of sodium warning labels, suggesting additional time and similar action from other jurisdictions is necessary to reduce the sodium content of menu items

A recent study published in PLOS ONE found that sodium content at common NYC chain restaurants did not decrease one year after the enforcement of sodium warning labels. The study suggests that additional time and similar action from other jurisdictions are necessary to reduce the sodium content of menu items.

SourcePLOS·JournalPLOS ONE·DateMay 3, 2023

Indo-Pacific corals more resilient to climate change than Atlantic corals

Researchers have found that corals in the Indo-Pacific region are more flexible and resilient to climate change due to their symbiotic relationships with algae species. These partnerships may help them withstand greater environmental changes, making them better equipped to survive in a warming ocean.

SourcePenn State·JournalJournal of Phycology·TypeObservational study·DateMay 3, 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.

Virtual consulting can significantly cut carbon footprint in health care, new study suggests

A new systematic literature review reveals that virtual consulting can reduce carbon emissions in healthcare by minimizing patient travel time. The review found significant reductions in carbon emissions through the adoption of telemedicine appointments and video-based visits, which will continue to mitigate climate change as health sy...

SourceJMIR Publications·JournalJournal of Medical Internet Research·TypeSystematic review·DateMay 3, 2023

May issues of American Psychiatric Association journals cover new treatments, assessing crisis lines, suicide prevention, and more

The latest May issues of American Psychiatric Association journals focus on new treatments for conditions like trichotillomania, social anxiety disorder, and opioid use disorder. Additionally, a special issue of Focus journal explores suicide preventive interventions and knowledge.

SourceAmerican Psychiatric Association·JournalAmerican Journal of Psychiatry·DateMay 3, 2023

How cells are influenced by their environment as tissues grow

Vogel and Benn's study replicates tissue growth in vitro, revealing the importance of ECM interactions. Myofibroblasts play a key role in wound healing and cancer progression, but their transformation into fibroblasts is influenced by ECM composition and structure.

SourceETH Zurich·JournalScience Advances·DateMay 3, 2023

Researchers detect and classify multiple objects without images

A new technique called image-free single-pixel object detection (SPOD) can detect the location, size, and category of multiple objects without acquiring images. SPOD uses a small optimized structured light pattern to quickly scan the scene and extract features, achieving an accuracy of over 80%.

SourceOptica·JournalOptics Letters·DateMay 3, 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.

Used coffee pods can be recycled to produce filaments for 3D printing

Researchers in Brazil and UK develop process to recycle plastic from used coffee pods into conductive and non-conductive filaments. The filaments have various applications, including sensors and machinery parts.

SourceFundação de Amparo à Pesquisa do Estado de São Paulo·JournalACS Sustainable Chemistry & Engineering·DateMay 3, 2023

UBC Okanagan researchers aim to energize fruit waste

Researchers at UBC Okanagan are working on microbial fuel cells that can harness the energy from discarded fruit waste, a byproduct of agriculture in the Okanagan Valley. The study aims to improve energy output and reduce environmental impacts associated with current waste treatment methods.

SourceUniversity of British Columbia Okanagan campus·JournalBioresource Technology·TypeExperimental study·DateMay 3, 2023

Evaluation of Waning of SARS-CoV-2 Vaccine–Induced Immunity

The study found that COVID-19 vaccine-induced immunity rapidly declines after primary vaccination and booster doses, leading to a decrease in protection against Omicron and Delta infections. The results highlight the need for targeted vaccination strategies to combat the evolving SARS-CoV-2 virus.

SourceJAMA Network·JournalJAMA Network Open·DateMay 3, 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.

Venous thromboembolism associated with COVID-19: therapeutic management and long-term outcomes outlined

A new study by Arianna Anticoagulation Foundation suggests that patients with COVID-19-associated venous thromboembolism may not require prolonged anticoagulant therapy, with a limited duration of 3-6 months being adequate for most patients. The START2-COVID-VTE observational study found low rates of thrombotic recurrences in both groups.

SourceFondazione Arianna Anticoagulazione·JournalResearch and Practice in Thrombosis and Haemostasis·TypeObservational study·DateMay 3, 2023