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Science News Archive October 2023 - Page 6


Page 6 of 37

DNA Origami nanoturbine sets new horizon for nanomotors

Researchers at Delft University of Technology have developed a DNA Origami nanoturbine that can rotate in both clockwise and anticlockwise directions depending on ion concentration. This unique feature has the potential to create nanomachines for delivering drugs into specific cells, offering numerous applications.

SourceDelft University of Technology·JournalNature Nanotechnology·TypeImaging analysis·DateOct 26, 2023

Asian mosquito causes malaria outbreaks in African cities

A species of Asian mosquito, Anopheles stephensi, is responsible for a sharp expansion of malaria cases in Africa, particularly in urban areas. The mosquito's ability to thrive in dry conditions and adapt to new breeding sites has made it a significant threat to public health.

SourceRadboud University Medical Center·JournalNature Medicine·TypeObservational study·DateOct 26, 2023

New research sheds light on early galaxy formation

A new computer simulation of the early universe aligns with JWST observations, showing no discrepancy with theoretical expectations. The 'Renaissance simulations' track dark matter clumps and galaxy formation, consistent with models that dictate cosmic physics.

SourceMaynooth University·JournalThe Open Journal of Astrophysics·TypeComputational simulation/modeling·DateOct 26, 2023
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.

A superatomic semiconductor sets a speed record

Researchers at Columbia University have created the fastest and most efficient semiconductor yet, a superatomic material called Re6Se8Cl2. Excitons in this material can bind with phonons to create acoustic exciton-polarons that move faster than electrons in silicon, potentially leading to devices with speeds of femtoseconds.

SourceColumbia University·JournalScience·DateOct 26, 2023

"Recognition of human right to the environment can galvanize action and collaboration towards realization of sustainable development goals," eminent environmental lawyer says

The Human Right to Environment affirms the right to life itself, securing human health and wellbeing when humans protect nature. The recognition of this right drives governmental enforcement of environmental protection norms, requiring systemic change to address climate change, biodiversity loss, and pollution.

SourceIOS Press·JournalEnvironmental Policy and Law·TypeMeta-analysis·DateOct 26, 2023

Membrane transporter ensures mobility of sperm cells

A research team from Heidelberg University has decoded the structure of a sperm membrane transporter, revealing its role in increasing mobility and fertilization capacity. The findings may lead to new treatments for infertility and contraception methods.

SourceHeidelberg University·JournalNature·DateOct 26, 2023

Scientists show for the first time how many steps to take each day to reduce the risk of premature death: 8,000 – equivalent to walking 6.4 kms

An international study led by the University of Granada found that 8,000 steps daily significantly reduce premature death risk, equivalent to 6.4 km walking. The pace at which you walk also provides additional benefits, with faster walking associated with reduced mortality risk.

SourceUniversity of Granada·JournalJournal of the American College of Cardiology·TypeExperimental study·DateOct 26, 2023
Fluke 87V Industrial Digital Multimeter

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

Iodine improves lithium thionyl chloride battery discharge performance and rechargeability

Researchers have incorporated molecular iodine into the SOCl2 battery electrolyte to increase discharge rate and enable efficient recharging. This breakthrough enables Li-SOCl2 batteries to be used in devices requiring low rates of energy discharge, increasing their practicality for routine energy storage.

SourceChinese Academy of Sciences Headquarters·JournalJournal of the American Chemical Society·DateOct 26, 2023

Breakthrough synthesis method improves solar cell stability

Researchers have developed a new synthesis method that controls the temperature and duration of the crystallization process to produce 2D halide perovskite layers with ideal thickness and purity. This breakthrough improves the stability and reduces the cost of solar cells, making them a viable option for emerging technologies.

SourceRice University·JournalNature Synthesis·TypeExperimental study·DateOct 26, 2023

Mystery of volcanic tsunami solved after 373 years

GEOMAR researchers used 3D seismics to recreate the 1650 Kolumbo volcano eruption, finding that a landslide followed by an explosion created the devastating tsunami. The study provides valuable insights for monitoring submarine volcanic activity and potentially developing early warning systems.

SourceHelmholtz Centre for Ocean Research Kiel (GEOMAR)·JournalNature Communications·TypeCase study·DateOct 26, 2023
Apple iPhone 17 Pro

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

Is it possible for random bit generator to reach a rate of Peta bits/s?

Scientists at Southwest University create a Si3N4 microresonator to generate chip-scale microcombs with high nonlinearity, suitable for PRB generation. The application of chaotic optical frequency combs on random number generators could improve speed up to Pbits/s, offering low-cost and parallel solutions.

SourceHigher Education Press·JournalFrontiers of Optoelectronics·TypeExperimental study·DateOct 26, 2023

Early whaling eradicated species from local waters

Two ancient species of whales, the North Atlantic right whale and the grey whale, disappeared from European waters centuries before industrial whaling began. Archaeological analysis of 719 whale bones reveals that early whaling had a devastating impact on these species.

SourceNorwegian University of Science and Technology·JournalRoyal Society Open Science·TypeObservational study·DateOct 26, 2023

Youngest children in class with ADHD as likely to keep diagnosis in adulthood as older pupils, find scientists

Children diagnosed with ADHD at a young age are just as likely to retain the diagnosis in adulthood as their older peers, according to a new study. The research, which examined data from over 6,500 patients globally, suggests that the youngest children in class are not more likely to lose the diagnosis over time.

SourceUniversity of Southampton·JournalThe Lancet Psychiatry·TypeMeta-analysis·DateOct 26, 2023

Excess fluoride linked to cognitive impairment in children

A study of 74 children in rural Ethiopian villages found that higher exposure to fluoride was linked to more errors on drawing and memory tests. The results suggest a potential association between high fluoride levels and cognitive impairment, particularly during early brain development and childhood.

SourceTulane University·JournalNeurotoxicology and Teratology·DateOct 26, 2023
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.

Special Issue: The hypothalamus

The hypothalamus is a complex structure that coordinates neuronal signals to maintain physiological homeostasis. Recent research has elucidated its structural and functional complexity, revealing potentially thousands of distinct cell types forming redundant circuits.

SourceAmerican Association for the Advancement of Science (AAAS)·JournalScience·DateOct 26, 2023

TUM professor develops energy-saving AI chip

The new AI chip uses ferroelectric transistors to store data and perform calculations, achieving a TOPS/W ratio of 885, twice as powerful as comparable chips. The goal is to use the chip for real-time applications such as deep learning and robotics, but security requirements and industry-specific criteria may delay its adoption.

SourceTechnical University of Munich (TUM)·JournalNature·TypeExperimental study·DateOct 26, 2023
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.

Multimodal graphene-based e-textiles for the realization of customized e-textiles have been developed for the first time in the world

Researchers have developed graphene-based e-textiles with world-class electrical conductivity using ultrashort pulse laser processing. The technology enables environmentally friendly mass production of customized e-textiles, paving the way for industrial and military applications.

SourceNational Research Council of Science & Technology·JournalACS Nano·DateOct 26, 2023

Estimating gastric cancer risk using DNA methylation and lifestyle data

A study by Chiba University researchers reveals that DNA methylation and lifestyle data can improve gastric cancer risk assessment. High levels of DNA methylation in the stomach mucosa years before gastric cancer onset are associated with higher risk, while tobacco and alcohol consumption amplify pro-carcinogenic alterations.

SourceChiba University·JournalEBioMedicine·TypeData/statistical analysis·DateOct 26, 2023
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.

Gene discovery may help growers battle grape downy mildew

Researchers at Cornell University have discovered a new grape downy mildew resistance gene that is one of the strongest found globally. The discovery could help breeders develop more resistant grape varieties, reducing the need for fungicides and their associated costs.

SourceCornell University·JournalPLANT PHYSIOLOGY·DateOct 26, 2023

Mobile stroke units increase odds of averting stroke

A study published in Annals of Neurology found that receiving clot-busting drug treatment in a mobile stroke unit (MSU) increases the likelihood of averting strokes and complete recovery compared to standard hospital emergency care. Patients treated by an MSU had faster treatment times, with nearly one-third recovering within 24 hours.

SourceWeill Cornell Medicine·JournalAnnals of Neurology·DateOct 26, 2023

Uncovered in Uganda: Evidence for menopause in wild chimpanzees

Researchers discovered signs of menopause in female chimpanzees in Uganda, surviving past reproductive ability. The study's findings provide insights into the evolution of this trait and may shed light on why it occurred in humans but not other long-lived primates.

SourceAmerican Association for the Advancement of Science (AAAS)·JournalScience·DateOct 26, 2023

Cutting-edge imaging sheds new light on cells that break down bone

Researchers developed an innovative imaging technique to study cells in bones of mice, revealing distinct pockets of bone resorption activity. This knowledge could lead to new treatments for osteoporosis and dormant cancer cells.

SourceGarvan Institute of Medical Research·JournalNature Protocols·TypeObservational study·DateOct 26, 2023
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.

The term “antimicrobial resistance” has little meaning to the public and should be renamed

A study by Dr Eva Krockow found that existing terms for antimicrobial resistance, such as 'antimicrobial resistance' and 'AMR', are not taken seriously enough, failing to evoke risk perceptions. The researchers suggest renaming the term to a more memorable one that can effectively convey the severity of the issue.

SourceUniversity of Leicester·JournalCommunications Medicine·TypeNews article·DateOct 26, 2023
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.

MSU’s ‘Robin Hood’ approach for tracking biodiversity

Elise Zipkin and her team at Michigan State University have developed a framework to utilize data from well-quantified animals to reveal insights about less common, harder-to-observe species. The new methodology enables the estimation of trends and demographic rates for rarer species using integrated community models.

SourceMichigan State University·JournalJournal of Animal Ecology·DateOct 26, 2023
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.

The ego-consciousness of the feathered fowl?

A study published in PLOS ONE found that roosters can recognize their mirror image and respond accordingly. The researchers tested 58 roosters and found that they emitted alarm calls when seeing themselves in the mirror, but not when seeing a conspecific. This suggests that roosters may have some level of self-awareness.

SourceUniversity of Bonn·JournalPLOS ONE·TypeExperimental study·DateOct 26, 2023

Most forms of exercise are overwhelmingly safe – but don’t ignore the dangers

A five-year study found that most sports and exercise are overwhelmingly safe, with injuries being rare. Fitness activities like running, golf, and dance classes have the lowest injury rates, while sports like football have a moderate risk of injury, with motorsports and gliding carrying significantly higher dangers.

SourceUniversity of Bath·JournalInjury Prevention·TypeData/statistical analysis·DateOct 26, 2023

New phone case provides workaround for inaccessible touch screens

Researchers at the University of Michigan have developed a new smartphone case called BrushLens that can help users with visual impairments, tremors, and spasms to interact with touch screens. The device uses a camera to read screen options aloud and guides the user's hand to tap buttons or autoclickers on the underside of the phone case.

SourceUniversity of Michigan·DateOct 26, 2023

A potentially cheaper and 'cooler' way of hydrogen transport

Kyushu University researchers have developed a new material that can store hydrogen energy for up to three months at room temperature, using an inexpensive element like nickel. This innovation could potentially reduce the cost of future compounds and contribute to the transition to alternative energy sources.

SourceKyushu University·JournalChemistry - A European Journal·TypeExperimental study·DateOct 26, 2023
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.

75% of exclusive hardwood may be illegally harvested

A study from Chalmers University of Technology found that over three-quarters of ipê exports from Brazil's top producing state may have been harvested illegally. The research used data analysis to identify risks in the supply chain and hopes to contribute to better enforcement and practices.

SourceChalmers University of Technology·JournalNature Sustainability·DateOct 26, 2023

The Arctic's past provides a glimpse into the future

Researchers will study past 'greenhouse' periods in the Arctic to understand the impact of an ice-free region on the environment and society. The six-year project aims to quantify changes in sea ice and land ice dynamics, as well as ecosystems, to inform climate projections.

SourceAlfred Wegener Institute, Helmholtz Centre for Polar and Marine Research·DateOct 26, 2023

A new NIR-PIT biomarker paves the way for targeted cancer treatments

Researchers have discovered a novel biomarker that enables the evaluation of near-infrared photoimmunotherapy (NIR-PIT) treatment success. The biomarker uses microbubbles to track tumor vessels and measure the effectiveness of NIR-PIT, which combines antibodies and near-infrared light to destroy cancer cells.

SourceNagoya University·JournalEBioMedicine·DateOct 26, 2023
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.

Psoriasis not caused by spontaneous mutations in skin cells

Researchers sequenced skin samples from people with psoriasis and found minimal differences in mutation types between affected and unaffected skin tissue. Driver mutations were identified, but their impact on the development of psoriasis is unclear.

SourceWellcome Trust Sanger Institute·JournalNature Genetics·TypeExperimental study·DateOct 26, 2023

A new “species” of legal subject: AI-led corporate entities, requiring interspecific legal frameworks

The American Association for the Advancement of Science suggests that AI-operated corporate entities should be recognized as a new 'species' in the legal system. This would involve developing interspecific legal frameworks to address rights and obligations, allowing AI systems to function autonomously without human oversight.

SourceAmerican Association for the Advancement of Science (AAAS)·JournalScience·DateOct 26, 2023
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.

Major milestone achieved in new quantum computing architecture

A team from Argonne National Laboratory has extended the coherence time for a novel type of qubit to nearly 1,000 times better than the previous record. This achievement enables the qubit to perform thousands of operations with high precision and speed.

SourceDOE/Argonne National Laboratory·JournalNature Physics·DateOct 26, 2023

How does Mei-yu precipitation respond to climate change?

Mei-yu precipitation has become more unstable and extreme due to global warming, leading to increased days without rainfall and intense rainfall events. The research suggests that decreased relative humidity and stronger water vapor transport contribute to these changes.

SourceScience China Press·JournalNational Science Review·DateOct 26, 2023
Celestron NexStar 8SE Computerized Telescope

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

Apple’s Safari browser is still vulnerable to Spectre attacks

A recent study has shown that Apple's Safari browser is still vulnerable to Spectre attacks, allowing hackers to access sensitive data such as passwords and emails. Researchers from Ruhr-University Bochum found that attackers can bypass security measures in the browser to intercept and exploit user data.

SourceRuhr-University Bochum·DateOct 26, 2023

How adults understand what kids are saying

Researchers used computational models to analyze thousands of hours of transcribed audio recordings of children and adults interacting. The findings suggest that adults' ability to make context-based interpretations provides crucial feedback for babies acquiring language. These interpretations are critical for understanding what small ...

SourceMassachusetts Institute of Technology·JournalNature Human Behaviour·DateOct 26, 2023

Stunting in infancy linked to differences in cognitive and brain function

Research from the University of East Anglia found that children who are too short for their age can suffer reduced cognitive ability due to differences in brain function as early as six months. The study discovered a link between stunted growth and disrupted visual working memory, making them more easily distracted.

SourceUniversity of East Anglia·JournalNature Human Behaviour·TypeObservational study·DateOct 26, 2023
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.