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Science News Archive 2023


Page 327 of 444

AI cuts CT turnaround, wait times for positive pulmonary embolus

A new AI-powered worklist reprioritization tool has been shown to significantly reduce both report turnaround time and wait time for pulmonary embolus-positive CT pulmonary angiography examinations. The study found a reduction of 47.6 minutes in report turnaround time and 21.4 minutes in wait time, with no significant difference in rea...

Celestron NexStar 8SE Computerized Telescope

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

Vaccination against chickenpox is estimated to significantly reduce varicella cases and deaths in both children and adults and would be cost-effective, per a modelling study in Denmark, informing policymakers around routine immunization

A modelling study in Denmark found that universal varicella vaccination significantly reduces chickenpox-related cases and deaths in both children and adults. The study also showed cost-effectiveness of the vaccine, informing policymakers about routine immunization.

A new type of photonic time crystal gives light a boost

A new type of photonic time crystal has been developed, showing that these artificial materials can amplify electromagnetic waves. This could lead to more efficient wireless communications and improved lasers., The creation of two-dimensional photonic time crystals makes them easier to fabricate and experiment with.

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.

Ultrasound activates anticancer agent

Researchers developed a complex that accumulates in tumour tissue and is activated by ultrasound waves, triggering the release of a toxic compound and eradicating tumours. This method could make cancer treatment less invasive and more effective for large and deep-seated tumours.

Underground water could be the solution to green heating and cooling

A new study suggests that using underground water for thermal energy storage (ATES) can reduce heating and cooling energy demand in the US by 40%, making urban energy infrastructure more resilient. ATES stores energy as temperature underground, leveraging natural geological features to heat or cool buildings during extreme weather events.

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.

Air pollution may increase risk for dementia

A new meta-analysis from Harvard T.H. Chan School of Public Health found a significant association between fine particulate air pollutants (PM2.5) and the risk of developing dementia, with a 17% increase in risk for every 2 μg/m3 increase in average annual exposure to PM2.5.

When SEC is challenged, CEOs notice

Research shows that SEC challenges can influence how CEOs and CFOs communicate with investors and analysts in private meetings. A study found that the effectiveness of regulatory enforcement depends on perception of the SEC's ability to enforce regulations.

Apple iPhone 17 Pro

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

Cancer-associated fibroblasts: Challenges and opportunities

Cancer-associated fibroblasts (CAFs) are a type of cell that plays a crucial role in the tumor microenvironment. The authors suggest that understanding CAFs is essential for developing effective cancer therapies. Research targeting CAFs has shown promise, but challenges remain due to their complex nature.

International study shows link between brain age and stroke outcomes

A new study published in Neurology shows that younger brain age is associated with superior post-stroke outcomes, suggesting a potential biomarker for stroke rehabilitation. The research team used multi-site data sets and 3D brain structural MRIs to analyze the relationship between brain age and stroke recovery.

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.

Dual quasars blaze bright at the center of merging galaxies

Astronomers have discovered a closely bound pair of actively feeding supermassive black holes in the same galactic real estate, 10,000 light-years apart. This finding provides crucial information about the nature of cosmic systems on the verge of becoming giant elliptical galaxies.

Morbus Crohn: New imaging technique for effective therapy

A new imaging technique using a novel nuclear medicine tracer has been developed to improve the treatment of intestinal strictures in Crohn's disease patients. The technique allows for precise differentiation between inflammation and fibrosis, enabling targeted therapy.

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.

Euchromatin is not really open in living cells

Researchers discovered that euchromatin, a region of the genome involved in gene expression, is not open but rather condensed and behaves like a viscous fluid at the molecular level. This finding challenges conventional thinking and provides new insights into DNA damage prevention and gene regulation.

Research on reptiles is strongly influenced by access to specimens

A review of scientific literature on reptiles between 1960 and 2021 found that 15% of articles focused on only ten species, with fewer than ten studies published on 90.5% of all species. The authors attribute this bias to factors such as habitat, size, danger of extinction, and proximity to research institutions.

Opening a new frontier: PdMo intermetallic catalyst for promoting CO2 utilization

Researchers developed a stable and active catalyst for CO2 hydrogenation at room temperature, achieving high conversion efficiency comparable to state-of-the-art heterogeneous catalysts. The PdMo intermetallic catalyst was synthesized via a simple ammonolysis process and demonstrated robustness and durability in various conditions.

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.

Therapy shows promise to help clear tuberculosis

Researchers at Texas Biomedical Research Institute have identified a potential host-directed therapy targeting the immune system to bolster the body's ability to control TB infection. Blocking IDO enzyme helped nonhuman primates completely eliminate active TB infection, improving health metrics compared to antibiotics alone.

University signs agreement to help improve lives of Kenyans

The University of Liverpool has signed a 5-year agreement with the Mama Doing Good Foundation, Kenya Medical Research Institute, and other partners to reduce household air pollution in Kenya. The partnership aims to train 130,000 Kenyan community health workers to prevent household air pollution and improve community health.

St. Jude tool targets cancer-causing fusions’ weak spot

Researchers at St Jude Children's Research Hospital have developed a tool to comprehensively characterize oncogenic fusions in pediatric cancer cells. The tool has the potential to cure certain tumors by targeting these fusion genes with CRISPR-Cas9, selectively killing cancer cells while leaving healthy ones intact.

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.

Is artificial intelligence better at assessing heart health?

A new study published in Nature finds that artificial intelligence (AI) surpasses human sonographers in accurately assessing cardiac function from echocardiogram studies. The research, conducted at the Smidt Heart Institute, demonstrates AI's potential to improve the quality and effectiveness of heart evaluations.

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.

The first map of the Microverse

A German-Dutch research team has created the first map of the Microverse, redefining microbial niches. Generalists, which can cope with a wide range of conditions, dominate most habitats, while specialists have more specific environments and smaller genomes.

Ethics & Human Research, March–April 2023 Issue

The article discusses concerns about the integrity of research and the well-being of participants due to financial conflicts of interest. The authors argue that disclosing these conflicts to potential participants may not achieve their intended moral goals, highlighting the need for improved policies.

A herbal compound to fight autoimmunity

A team from Osaka University discovered that celastrol blocks the progression of rheumatoid arthritis by inhibiting a protein complex that promotes autoimmune responses. The researchers found that celestrol binds to COMMD3 covalently, preventing the formation of the COMMD3/8 complex and impairing antibody production.

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.

Bacterial signaling across biofilm affected by surface structure

The study found that antibiotics slow down biofilm growth and QS molecule production across both strains, with surface type having a significant effect on the non-mucoid strain. The patterned structure was associated with longer latencies before expression of QS molecules were at their peak.

Absolute zero in the quantum computer

Researchers at TU Wien develop a quantum version of the third law of thermodynamics, finding that absolute zero is theoretically attainable but requires infinite energy, time, or complexity. This breakthrough reconciles quantum physics with thermodynamics, paving the way for the development of practical quantum computers.

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.

Study shows link between wealth, health differs across race in young adulthood

A new study from the University of Kansas reveals significant racial wealth gaps and disparities in health outcomes among young adults. The study found that white and Hispanic individuals with higher wealth had better health outcomes, but Black respondents showed a more nuanced relationship between wealth and health. Policymakers argue...

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.

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.