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Science News Archive November 2023


Page 14 of 40

Artificial intelligence: Stemming the tide of fake facts

Artificial intelligence tools can generate convincing texts, images, voices, and videos, making it difficult to distinguish misinformation from genuine content. To combat this, experts suggest being more alert when consuming online content and relying on trusted sources.

Bacteria store memories and pass them on for generations

Researchers found that E. coli bacteria use iron levels to store information about behaviors like swarming and forming biofilms. These iron-based memories persist for at least four generations before disappearing, helping bacteria make informed decisions about their environment.

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.

CRF launches Scientific Excellence Top 10 (SET-10)

Thirty-two institutions earned the SET-10 distinction, with top ten recognized globally for their dedication to advancing scientific knowledge in interventional cardiovascular medicine. The rankings span six categories and acknowledge excellence within and outside the United States.

New method for determining the water content of water-soluble compounds

Researchers at University of Eastern Finland developed a new method for accurate determination of water content in water-soluble compounds, utilizing solution-state nuclear magnetic resonance spectroscopy. The method is simple, accurate and quick, with results comparable to traditional methods like TGA and X-ray crystallography.

Getting to the root of visceral gut pain

Researchers at Michigan State University found that glial cells in the gut can sensitize nearby neurons, causing them to send pain signals more easily during inflammation. This discovery could help develop new therapies to alleviate visceral pain by counteracting the glia's sensitizing efforts.

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.

Hearing loss is associated with subtle changes in the brain

Researchers linked hearing loss to microstructural differences in auditory areas of the temporal lobe and frontal cortex. The study suggests that compensatory brain changes may lead to increased dementia risk, and interventions like subtitles or speech-to-text apps could protect against this.

Apple AirPods Pro (2nd Generation, USB-C)

Apple AirPods Pro (2nd Generation, USB-C) provide clear calls and strong noise reduction for interviews, conferences, and noisy field environments.

CRONT: Empowering optical tweezers with "biometric eyes"

Researchers developed CRISPR-powered optothermal nanotweezers (CRONT) that can trap and enrich bio-nanoparticles, including gold nanoparticles and DNA molecules. The technique achieves single molecule level SNP detection with ultra-low detection volume, making it suitable for point-of-care diagnosis and biophotonics.

Researchers help unravel brain processes involved in vision

A team of researchers, including York University, used a mouse model to test how the brain learns new sensory input patterns. They found that the brain's response to image patterns that violate expectations evolves differently over time, suggesting a distinct role in sensory learning.

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.

Parental age effect on the longevity and healthspan of flies and worms

A new study found that the progeny of successive generations of old parents had significantly shorter lifespans than those from young parents in both Drosophila melanogaster and Caenorhabditis elegans. The researchers also discovered that switching to only one generation of younger parents improved the healthspan of the offspring.

Study highlights need to keep an eye on the ozone hole

A recent study found that the Antarctic ozone hole is not only larger in area but also deeper throughout most of spring. The researchers believe changes in air arriving at the polar vortex above Antarctica are contributing to the growth of the ozone hole, which may be caused by factors beyond just CFCs.

Solid-state atomic hydrogen, a new hydrogen therapy strategy

Researchers developed a new hydrogen therapy strategy using solid-state atomic hydrogen, which selectively eliminates reactive oxygen and nitrogen species. This approach promotes wound healing in diabetic wounds by remodeling the microenvironment and alleviating inflammation.

Tiny beads preserve enzymes for biocatalysis

Researchers used tiny beads to immobilize enzymes from edible fungus Agrocybe aegerita, protecting them from plasma treatment and increasing stability up to 44 times. The study paves the way for new biocatalytic applications combining enzymes with technical plasmas.

Apple iPhone 17 Pro

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

Sophisticated swarming: Bacteria support each other across generations

Researchers at the University of Basel have discovered that bacteria support each other across generations, sharing nutrients and forming intricate three-dimensional structures. This cooperative behavior enables bacterial communities to be more resilient and adaptable, highlighting the complexity and dynamics within microbial communities.

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.

Apotransferrin shows promise as an early treatment for stroke

Researchers discovered that apotransferrin can mitigate the damaging effects of intracerebral haemorrhage by guarding against ferropoptosis, a cell death process. This finding highlights the therapeutic potential of apotransferrin as a pre-hospital treatment for stroke patients.

Microautophagy is essential for preventing aging

A study published in EMBO Reports reveals that microautophagy is crucial for repairing damaged lysosomes, which helps prevent cellular aging. The researchers identified key regulators of this process, including STK38 and GABARAPs, and found that their depletion increases the rate of senescent cells and shortens lifespan in C. elegans.

Rice receives $2.5M grant to support inclusive STEM education

Rice University has been awarded a $2.5 million grant from the Howard Hughes Medical Institute to develop accessible and inclusive math courses for all students, regardless of background or ability. The grant aims to promote equity in STEM education and support underrepresented groups.

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.

How we play together

Scientists studied how players' brains react when working together in a computer game called Pacman. They found that the brain's response is linked to the player's role during cooperation.

Nostalgia and memories after ten years of social media

A study from the University of Gothenburg and University West found that social media users engage in 'nostalgizing' to relive memories and emotions. The platforms' advanced features, such as personalized photo albums and reminders, facilitate nostalgic experiences, leading to a decrease in new content posting.

University of Helsinki researchers solve cosmic conundrum

Researchers Till Sawala and Peter Johansson propose that frequent interactions and mergers within the Supergalactic Plane lead to elliptical galaxies, while isolation outside the plane preserves spiral structure. The team's simulation is consistent with observations, supporting the standard model of dark matter.

Reducing cyberattacks on Canadian health systems

A recent cyberattack in southwestern Ontario highlights the need for clinicians and hospitals to improve their cybersecurity practices. Experts recommend navigating trade-offs between efficiency and risk reduction using the US National Institute of Standards and Technology's Cybersecurity Framework.

Celestron NexStar 8SE Computerized Telescope

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

Innovative aquaculture system turns waste wood into nutritious seafood

Researchers have developed a fully-enclosed aquaculture system that can be completely controlled, eliminating water quality and food safety concerns. The system produces nutrient-rich protein-rich 'Naked Clams' that are faster-growing than mussels and oysters, with higher Vitamin B12 levels.

Predicting the response of fungal genes using FUN-PROSE

The study used a machine learning approach called FUN-PROSE to predict how fungi react to different environmental conditions. The model was able to accurately predict the expression of genes in baker's yeast and two less studied fungi, with limitations noted for organisms with more complex gene regulation.

Fluke 87V Industrial Digital Multimeter

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

Boomerang-like beams of light

Scientists superposed two light beams twisted in the clockwise direction to create anti-clockwise twists in the dark regions of the resultant superposition. This discovery represents a step towards observing a peculiar phenomenon known as quantum backflow.

Snow Centre for Immune Health to revolutionize global immunology research

The Snow Centre for Immune Health will transform how we understand and treat immune diseases, offering a whole-of-system approach to address debilitating conditions like lupus and rheumatoid arthritis. The centre aims to deliver transformational real and measurable impacts for patients through translational research.

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.

Study reveals bias in AI tools when diagnosing women’s health issue

A recent study published in Nature reveals that machine learning algorithms designed to diagnose bacterial vaginosis in women show diagnostic bias among ethnic groups. The research found that Hispanic women were more likely to receive false-positive diagnoses, while Asian women received the most false-negative diagnoses.

Why do some people get headaches from drinking red wine?

Researchers found that quercetin in red wine can cause headaches due to its interference with alcohol metabolism, leading to high levels of acetaldehyde. The study suggests a new hypothesis for why some people experience red wine headaches, particularly those with pre-existing migraine or primary headache conditions.

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.

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.

People watched other people shake boxes for science. Here’s why

Researchers at Johns Hopkins University found that people can quickly identify another person's epistemic goals by watching their actions. This study reveals a key aspect of human cognition with implications for artificial intelligence. The team discovered that observers could accurately determine whether someone was trying to learn so...

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.