Bluesky Facebook Reddit Email

Science News Archive November 2023


Page 23 of 40

Apple iPhone 17 Pro

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

From CO2 to green chemicals—researchers are one step closer

An international team at DTU has increased the durability of CO2 electrolyzers, enabling the conversion of captured CO2 into valuable green chemicals like ethylene and ethanol. The breakthrough could play a significant role in the green transition by reducing global CO2 emissions

TOS past presidents comment on SELECT study results

A study co-authored by past presidents of The Obesity Society shows that Wegovy can reduce existing heart disease in patients with obesity. The medication, semaglutide, was found to be life-saving and can benefit all sub-groups studied.

Current uses of asbestos exceed exposure limits

A new study reveals that airborne asbestos fibers from asbestos cement products exceed the permissible limit by 50 times, posing alarming health risks to workers. The study highlights the need for a ban on all asbestos cement products due to their hazardous nature and insufficient safety measures.

Researchers optimize cervix visualization for pelvic exams

A study published in PLOS ONE found that nitrile gloves can effectively prevent the collapse of speculums during pelvic exams, reducing discomfort and misdiagnosis. The researchers used a physical model to test the effectiveness of gloves versus condoms, with promising results.

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.

Sex differs in intestinal MCT1 function

A recent study reveals that intestinal MCT1 regulates inflammation and metabolism in a sex-dimorphic pattern, with male mice showing enhanced glucose tolerance and reduced inflammation, while female mice experience exacerbation of diet-induced obesity. The study suggests that gender-specific treatments are needed for metabolic disorders.

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.

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.

University of Cincinnati cocaine research disrupts traditional theory

New research at UC disrupts conventional wisdom that people take cocaine for positive reinforcement, suggesting a pharmacological equation behind the behavior. The study suggests low doses produce reinforcing effects, while high doses have rate-limiting effects, revealing a shift in understanding of cocaine self-administration.

How tiny hinges bend the infection-spreading spikes of a coronavirus

Researchers have identified a tiny hinge in coronavirus spikes that allows them to tilt and bend. This bending affects how successfully the spike can infect a cell. The study suggests that disabling the spike's hinges could be a good strategy for designing vaccines and treatments against a broad range of coronavirus infections.

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.

Neighborhood environmental burden and cardiovascular health

A study of US neighborhoods found a strong association between environmental burden and higher rates of cardiovascular risk factors and diseases. Socially vulnerable neighborhoods showed the strongest associations, highlighting the need for initiatives to address poor environmental conditions and improve cardiovascular health.

Cannabis users appear to be relying less on conventional sleep aids

A recent study found that most cannabis users (80%) have stopped using over-the-counter or prescription sleep aids and instead prefer inhaling high-THC cannabis to help with falling asleep. The study also showed that cannabis users experienced fewer headaches, nausea, and dry mouth compared to traditional sleep aids.

Celestron NexStar 8SE Computerized Telescope

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

Scientists test new method for identifying small microplastics

Researchers have created a new analytical method to identify and measure small microplastics in the environment. The technique combines flow cytometry with pyrolysis gas chromatography mass spectrometry to characterize and count these tiny particles, providing a more complete picture of their abundance and type.

Small proteins, big effect

A research team led by Konrad Meister discovered that small proteins are involved in efficient ice formation, outperforming larger proteins found in other organisms

Researchers develop gel to deliver cancer drugs for solid tumors

A team of researchers developed a gel delivery system that overcomes challenges in intratumoral therapy. The gel contains an imaging agent and can hold a high concentration of drug for slow release. In preclinical models, the treatment induced tumor regression and improved survival in immunotherapy-resistant colon and breast cancer.

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.

Some increase in cancer after 1986 Chernobyl disaster

A long-term study published in Environmental Epidemiology shows a slightly increased incidence of cancer, particularly colon, pancreas, and stomach cancer in men, as well as lymphoma in women. The researchers used new calculation methods to analyze radiation doses from Chernobyl fallout.

Researchers take new AI approach to analyze tumors

A new AI method combines satellite imaging and ecological analysis techniques to interpret large amounts of data from tumor tissue, providing insights into how cancer works. This approach aims to tailor cancer treatments to individual needs and avoid unnecessary side effects.

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.

New scientific methods for analyzing criminal careers

The study analyzed over 1.2 million criminal incidents, revealing that specialists tend to operate within a confined geographic area and collaborate with local networks. The method can help law enforcement agencies anticipate criminal developments and tailor measures for prevention, policing, and rehabilitation.

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.

‘Cutting the cord’ to advance ocean data collection

A team led by Lehigh University's Yahong Rosa Zheng is developing an Autonomous Observatory Node that can collect and transmit data from underwater sensors wirelessly, without the need for expensive subsea cables. The prototype aims to operate at depths of up to 1000 meters, enabling researchers to study extreme environments and detect...

Fluorine catch-and-attach process could boost drug efficiency

Researchers have created a reliable and efficient method to add fluorine to molecules, increasing pharmaceutical drug efficiency. The iron and sulfur-based reaction enables the release of fluorine from carboxylic acids and its incorporation into alkenes, common building blocks for drugs.

Meta Quest 3 512GB

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

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.

Template for success: Shaping hard carbon electrodes for next-generation batteries

Researchers at Tokyo University of Science developed nanostructured hard carbon electrodes using inorganic zinc-based compounds, which deliver unprecedented performance and significantly increase the capacity of sodium- and potassium-ion batteries. The new electrodes improve energy density by 1.6 times compared to existing technologies.

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.

Perceived racism leads to greater risk of stroke among Black women

A new study found that Black women who reported experiencing racism in employment, housing, and interactions with police had a 38% increased risk of stroke. Racism may act as a psychosocial stressor, elevating systemic inflammation and impairing endothelial function, contributing to racial disparities in stroke incidence.

Virologic rebound observed in 20% of patients treated with nirmatrelvir-ritonavir

A study found that 20% of patients treated with nirmatrelvir-ritavir (N-R) experienced virologic rebound, a phenomenon where viral load increases after initial decline. In contrast, only 1 untreated patient was affected. The researchers suggest considering the risks and benefits of N-R treatment in patients at low risk for severe disease.

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.

Earth's surface water dives deep, transforming core's outer layer

A team of researchers, including Arizona State University scientists, reveals that surface water can penetrate deep into the Earth's core, altering its composition and creating a distinct thin layer. This discovery suggests a more extensive global water cycle than previously recognized.

Study finds melatonin use soaring among youth

A new study reveals that melatonin use is increasing among US children and adolescents, with nearly 1 in 5 school-aged children taking the hormone for sleep. The study found that parents are giving melatonin to preschoolers without proper regulation, raising concerns about safety and efficacy.