Bluesky Facebook Reddit Email

Science News Archive July 2023


Page 16 of 36

AJR on sociodemographic factors and screening CTC among Medicare beneficiaries

Lacking Medicare coverage for screening CTC may contribute to greater income-based differences in its use compared to other recommended screening strategies or diagnostic CTC. Medicare coverage of CTC could reduce income-based disparities for individuals avoiding optical colonoscopy due to invasiveness or complication risk.

Using new method, study highlights physician turnover trend

A new method revealed a 43% increase in physician turnover rate between 2010 and 2018, from 5.3% to 7.6%, with rural practices and burnout linked as contributing factors. The study also found that female doctors and those in larger practices were more prone to turnover.

Apple iPhone 17 Pro

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

Secretomics uncovers blood-brain barrier mystery

Using a sensitive mass spectrometry-based secretome approach, researchers have identified hundreds of molecules that are cleaved from the cell surface of astrocytes, providing a unique database of MMP-2/-9 substrates specific to blood-brain barrier formation and maintenance. This discovery sheds light on the molecular processes essenti...

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.

Nurse-home visiting program may boost child language and mental health

A randomized controlled trial found that Nurse-Family Partnership improved child language and mental health at age 2, with no increase in child injuries or maternal pregnancies. The study involved 739 participants and their children for 2.5 years, providing new evidence on preventing early adverse childhood experiences.

The long-awaited RSV vaccine

Two vaccines to protect against RSV are now available for those over age 60, providing high levels of protections against the virus. The vaccines were developed by Glaxo SmithKline and Pfizer and have been approved by the US Food and Drug Administration.

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 prostate cancer biomarkers provide hope to millions of men

Researchers at the University of South Australia have discovered three new biomarkers for prostate cancer that can accurately visualize and grade the disease. The breakthrough technology will enable clinicians to determine which patients require immediate treatment, potentially saving thousands of lives annually.

Food size matters

A study by Kyoto University found that Daphnia's phenotypic plasticity is strongly related to its body size and the type of predator. Medium-sized Daphnia are more vulnerable to predation by both Chaoborus larvae and fish, which prefer larger prey.

Treatment at the first signs of MS could mean lower risk of disability later

A recent study published in Neurology suggests that starting treatment for multiple sclerosis (MS) soon after the first signs of the disease may lead to a lower risk of disability later. Researchers found that patients who received treatment within six months of symptom onset had a significantly lower risk of developing severe disabili...

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.

Does this exoplanet have a sibling sharing the same orbit?

Using ALMA, astronomers have found evidence of a cloud of debris that might be the building blocks of a new planet or the remnants of one already formed. This discovery would confirm the existence of Trojan planets outside our Solar System, which are rocky bodies sharing the same orbit as a planet.

Researchers put a new twist on graphite

A team of researchers at the University of Washington has discovered a way to imbue bulk graphite with physical properties similar to those of graphene, a single-layer sheet. This breakthrough could unlock new approaches for studying unusual and exotic states of matter and bring them into everyday life.

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.

Scientists ID cells involved in correcting errors during spatial navigation

Researchers at Harvard Medical School have identified a specific group of neurons that become active when mice correct mistakes during spatial navigation. The findings bring scientists closer to understanding how navigation works and raise new questions about the role of these cells in other brain regions.

A cool way to keep things cool: the electrocaloric effect

The electrocaloric effect (ECE) offers a cleaner and high-efficiency way of cooling without greenhouse gas emissions. By leveraging ferroelectric materials, researchers can achieve low electric fields and scalable compressor-free systems.

New catalysts for solar hydrogen production

Researchers have developed novel photocatalysts using layered metal-organic frameworks that exhibit improved charge separation properties. These materials are able to efficiently extract charges without structural defects, enabling record values in photocatalytic hydrogen production under visible light.

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.

Two-faced star exposed

Astronomers have discovered a white dwarf star with drastically different faces, composed of hydrogen on one side and helium on the other. The team believes magnetic fields may be responsible for the asymmetric sides, allowing a 'hydrogen ocean' to form where the fields are strongest.

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.

Fighting brain cancer

Researchers have identified a new therapeutic target for glioblastoma brain cancer by finding that the 'don't eat me!' signal sent by cancer cells can be blocked using antibodies. This breakthrough suggests that existing immunotherapies may be effective against glioblastomas if the receivers on macrophages are switched off.

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.

CHOP researchers reveal how NSAIDs worsen C. difficile infections

Researchers at Children's Hospital of Philadelphia found that NSAIDs exacerbate C. difficile infections by disrupting epithelial cell mitochondria, sensiting them to toxins. The study shows that NSAIDs and C. difficile toxins work synergistically to increase virulence, leading to increased disease severity and mortality.

A potential new biomarker for Alzheimer’s

Researchers at the Max Delbrück Center have identified a potential new biomarker for Alzheimer's disease, protein Arl8b. The study found that patients with Alzheimer's have significantly more Arl8b in their cerebrospinal fluid than healthy controls.

Overcoming the limits of piezoelectric polymer composites

Researchers at Tsinghua University develop highly stretchable/compressible piezoelectric composite with giant piezoelectric coefficient of 250 picometers per volt. The composite exhibits high electromechanical coupling factor and cyclic stability under compression strain, opening up applications in flexible smart electronics.

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.

New method expertly evaluates protein folding stability on a large scale

Researchers developed a new high-throughput approach to evaluate protein folding stability, identifying factors contributing to stability and informing predictive models. The cDNA display proteolysis method permits large-scale analysis of nearly 900,000 proteins, shedding light on diseases involving misfolded proteins.

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.

Diversity plays a key role in Black Americans trust of videos about prostate cancer

A new study published in JAMA Network Open found that Black Americans are more likely to trust videos about prostate cancer presented by a Black doctor. The study, led by researchers at NYU Grossman School of Medicine, involved over 2,900 participants and showed that racial diversity among healthcare providers is crucial for improving ...

Simultaneous synthesis and fixing of covalent organic frameworks

Researchers from Tokyo Institute of Technology have developed a novel synthesis method for imine-based COFs, eliminating the need for long reaction times, high temperatures, and Lewis acid catalysts. The method uses an electrogenerated acid as a catalyst, enabling direct fixation of COF films onto electrodes.

New atlas of human kidney cells to help unlock kidney disease research

A nationwide NIH-funded team created the most comprehensive atlas of human kidney cells, enabling comparisons between healthy and injured kidney cells. The atlas will help researchers understand the progression of kidney disease and identify new treatments for chronic kidney disease and acute kidney injury.

Fluke 87V Industrial Digital Multimeter

Fluke 87V Industrial Digital Multimeter is a trusted meter for precise measurements during instrument integration, repairs, and field diagnostics.

Tracing maternal behavior to brain immune function

Research in rats suggests that loss of immune cells late in gestation may factor into the onset of maternal behavior. Depletion of microglia, a type of immune cell, sped up care for rat newborns in non-mom female rats.

Cognitive rescue in aging through prior training

A new study published in Aging (Albany NY) suggests that prior training can rescue cognitive decline in aging by improving task performance and strengthening memory processes. The research, conducted on rats, found that prior training enhanced short-term and intermediate memory, while also enabling encoding-boosted long-term memory.

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.

Collecting energy from raindrops using solar panel technology

A new design for bridge array generators reduces unintended coupling capacitance between connected panels, allowing for higher peak power output of up to 200 watts per square meter. This breakthrough enables large-area raindrop energy harvesting with improved performance and reduced power loss.

Astronomers find new type of stellar object

An international team of astronomers has discovered a new type of stellar object that challenges our understanding of the physics of neutron stars. The newly discovered object, named GPM J1839−10, emits radio waves every 22 minutes, making it the longest period magnetar ever detected.

Early humans were weapon woodwork experts, study finds

Early humans demonstrated advanced planning and knowledge of wood properties to create aerodynamic and ergonomic tools, such as double-pointed wooden throwing sticks. These findings suggest the use of throwing sticks could have enabled group hunts and involved the entire community, including children.

Women treated for breast cancer may age faster than cancer-free women

A new study by researchers at the National Institutes of Health found that women diagnosed and treated for breast cancer have increased biological aging compared to those who remain free of breast cancer. Radiation therapy showed the strongest association with faster biological aging, while surgery had no effect.

‘Stunning’ discovery: Metals can heal themselves

Researchers from Sandia National Laboratories have discovered that metals can heal themselves by fusing back together microscopic cracks without human intervention. This breakthrough could lead to the development of self-healing machines and structures, reducing wear and tear damage and making them safer and longer-lasting.

Sky & Telescope Pocket Sky Atlas, 2nd Edition

Sky & Telescope Pocket Sky Atlas, 2nd Edition is a durable star atlas for planning sessions, identifying targets, and teaching celestial navigation.