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Science News Archive 2023


Page 283 of 444

Copper artefacts reveal changing connections in prehistoric Europe

The study analyzed 45 copper objects from Northern Central Europe and Southern Scandinavia, revealing changes in distribution networks across prehistoric Europe. The findings suggest that copper artefacts originated primarily from southeast Europe before 3500 BC, with later sources including the Eastern Alps and British Isles.

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.

Quantum electrodynamics verified with exotic atoms

A team of scientists has successfully verified strong-field quantum electrodynamics with exotic atoms, using muonic atoms to measure the energy spectrum of characteristic X-rays emitted from neon gas. The results demonstrate a significant step towards verifying fundamental physical laws under strong electric fields.

The 15-minute city begins with sidewalks that aid mobility

Researchers from Universitat Oberta de Catalunya studied sidewalk networks in Barcelona and found that even pedestrian-friendly cities like Barcelona struggle with mobility constraints. The study proposes a framework for assessing multi-factor walkability using percolation theory and insights into pedestrian behavior to improve sidewal...

17 percent of U.S. households face growing water affordability challenge

A new analysis by Duke University researchers finds that 17% of US households face growing water affordability challenges, affecting nearly half the population. The study recommends solutions such as utility customer assistance programs and policy reforms to address income inequality and infrastructure costs.

Apple iPhone 17 Pro

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

Pandemic stress reshapes the placentas of expectant moms

Research from Children's National Hospital found that maternal stress during the COVID-19 pandemic altered placental structure and function, which may influence fetal health. The study suggests a link between maternal mental health and the development of the placenta.

Health worker shortages strongly linked to excess deaths

An analysis of 172 countries and territories found that health worker shortages are strongly associated with higher death rates, particularly for neglected tropical diseases and maternal complications. The study highlights the need for targeted action to boost health workforces in priority areas.

Earth’s first animals had particular taste in real estate

Researchers discovered that Obamus coronatus, a half-inch long Ediacaran animal, preferred to live on specific parts of the sea floor in the company of other Obamus. This finding shows that even without modern descendants, ancient animals could exhibit sophisticated behavior and habitat selection.

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.

Reduced cancer mortality with daily vitamin D intake

A systematic review of 14 high-quality studies found that daily vitamin D3 supplementation was associated with a 12% reduction in cancer mortality. Vitamin D deficiency is widespread, particularly among cancer patients, and regular intake at low doses may help prevent cancer deaths.

Making vaccines longer lasting

A recent study by Monash University researchers found that a unique subtype of an immune cell produces long-lasting antibodies in response to certain vaccinations. This discovery may lead to the development of improved vaccines providing life-long protection.

Does your vaccine type matter in the battle against COVID?

The study found that vaccine type significantly impacts the immune response to COVID-19, with Pfizer and Moderna offering a stronger antibody response than Johnson & Johnson. Age, sex, BMI, and smoking status also affect vaccine effectiveness, with smokers experiencing a 240% lower response.

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.

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.

Zooming in on neurotoxic aggregates

High-speed atomic force microscopy reveals the structural dynamics of amyloid-beta protofibrils, a key component in Alzheimer's disease. The technique also shows an effective tool for studying the impact of drugs on this process.

Human eyes really do play ‘tricks’ on the mind, say experts

A new study reveals that human vision can exploit defocus blur to infer perceptual scale but does so crudely, affecting our ability to accurately estimate object sizes. Researchers used blurred images of full-scale railway scenes and small-scale models to test participants' perceptions.

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.

Preserving pine forests by understanding beetle flight

Researchers used fluid dynamics models to study the mountain pine beetle's flight, finding that wing shape, age, and size impact thrust production. This knowledge can improve statistical confidence levels for insect dispersion studies and help preserve pine forests.

Cactus plant inspires cost-effective hydrogen production

Researchers at the University of Texas at El Paso have developed a nickel-based material that can split water into hydrogen gas more cheaply and efficiently. The material is designed to mimic the shape of the prickly pear cactus, which has an extensive surface area suitable for absorbing moisture and surviving in extreme environments.

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.

Concussion in women’s rugby going unreported

A new study by sports experts at Staffordshire University explores how social identity influences concussion disclosure in elite women's rugby. The research found that brain injury is often underreported or not disclosed due to a strong sense of teamwork and obligation to play while injured.

Palsa mires continue to degrade at a rapid pace

A long-term study at the University of Eastern Finland reveals a significant reduction in palsa area by over 75% from 1959 to 2021. Climate change has only a limited impact on active layer thickness, contradicting expectations.

Tuberculosis disease intensifies HIV antibody response in people with HIV

Research from Boston Medical Center found that pulmonary tuberculosis enhances HIV antibody responses and increases the prevalence of antibody-resistant strains. This study has significant implications for HIV vaccines and antibody-based therapies, highlighting the need for novel strategies to generate broad and potent antibodies.

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.

Can a city store as much carbon as a forest?

A new metric, called the carbon storage (CS) factor, enables urban planners to evaluate how a new development will affect the city's carbon balance. By using the right kind of wooden construction technologies, up to 70% of future construction can preserve lost forest carbon storage capacity.

Scientists develop AI tool to predict Parkinson’s disease onset

A team of researchers has developed an AI tool called CRANK-MS that uses neural networks to analyze biomarkers in patients' bodily fluids and predict Parkinson's disease onset with an accuracy of up to 96%. The tool may help identify early warning signs for the disease, which can be challenging to diagnose.

The mystery of the runaway supermassive black hole, solved

Researchers at IAC propose that a mysterious trail of stars may be a galaxy without a bulge seen edge-on. The study finds surprising agreement with a local galaxy, IC5249, and suggests that the object behaves like a typical galaxy. This new theory simplifies the explanation for the phenomenon.

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.

Hey Siri, can you hear me? #ASA184

Researchers found that people produce louder and slower speech with less pitch variation when communicating with AI systems, while clearer speech improves comprehension. The study aims to improve AI's ability to understand human speech and investigate language changes as technology advances.

Exploring the underground connections between trees

Researchers found that mycorrhizal networks are essential for forest stability but not through sharing and caring among trees. The network works like a trading ground for individual trees and fungi, each trying to survive.

Environment impacts mental health of young people - research

Research found that young people living in health-constraining environments were more likely to experience poorer emotional and mental health. In contrast, those living in health-promoting environments were less likely to have problems with substance-abuse and hospitalisations for self-harm.

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.

Small wildlife surveys can produce ‘big picture’ results

Researchers have developed a method to rapidly assess the persistence of entire ecological networks and detect extinction risk. By examining interactions between species, scientists can identify patterns and make 'big picture' conclusions about ecosystem health.

Chat AIs can role-play humans in surveys and pilot studies

Researchers used large language models to generate open-ended answers, which were often more convincing than real responses. This approach may help gather data quickly and at low cost but also raises concerns about the authenticity of online user data.

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.

Tooth enamel provides clues to hunter-gatherer lifestyle of Neanderthals

A study using tooth enamel analyzed by laser ablation revealed that Neanderthals in western Europe hunted large animals, such as wild goat and horses, whereas humans consumed smaller creatures like rabbits and fish. The researchers estimated the territory size of both human groups, finding contrasting results.

The Voting Rights Act’s impact on Black representation in local government

The Voting Rights Act of 1965 significantly increased Black representation in local government, particularly in county commissions where coverage was implemented. The study found that capital spending grew more rapidly in these counties with higher shares of African Americans, indicating a positive impact on local governance. However, ...

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.

Researchers map the immunology of the gut in children with IBD

A study published in Cell Reports Medicine found that pro-inflammatory cell types dominate the intestinal mucosa of children with inflammatory bowel disease, while protective cells are underrepresented. The results provide new insights into the immunology of IBD and may lead to the development of more effective treatments.

Breaking the heat barrier of computing innovation

Researchers have developed a new technology that could revolutionize computing by moving beyond the limitations of traditional semiconductors. Coherent antiferromagnetic spintronics enables information to travel without generating significant heat, potentially leading to a hundredfold increase in processing speed and energy savings.

Evidence of Ice Age human migrations from China to the Americas and Japan

Researchers found two migration events from northern coastal China to the Americas, one during the Last Glacial Maximum and another during the subsequent deglaciation period. The study also uncovered a genetic link between Native Americans and Japanese people, explaining similarities in Paleolithic archeological finds.

Fluke 87V Industrial Digital Multimeter

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

Analytical methods for preclinical stage gene therapy programs

Researchers developed a size exclusion chromatography (SEC) method to measure empty capsids in gene therapy programs, outperforming other analytical methods. The study found SEC-MALS to be linear, accurate, and precise, providing a robust analytical technique for advancement of gene therapy programs.