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Science News Archive July 2023 - Page 5


Page 5 of 36

Transcription factors contribute to subtypes of colorectal cancers

Researchers found that expression of transcription factors contributes to different subtypes of colorectal cancers. The degree of DNA methylation varies across tissue types, with some cancers having high and others low frequency of methylation gains. Studying transcription factor expression may help determine overall survival in patien...

SourceJohns Hopkins Medicine·JournalProceedings of the National Academy of Sciences·DateJul 27, 2023

Ancient pathogens emerging from melting ice and permafrost risk eroding ecosystems

A new study by Flinders University researchers suggests that only 1% of dormant pathogens could cause major ecological harm, leading to the loss of host organisms worldwide. The simulations showed that these ancient microbes can survive, evolve, and become dominant in modern ecosystems, posing a substantial danger.

SourceFlinders University·JournalPLOS Computational Biology·TypeComputational simulation/modeling·DateJul 27, 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.

Bacteria as Blacksmiths

Researchers at ISTA use swimming bacteria to assemble materials, introducing a novel strategy for fabricating soft materials. The study demonstrates the potential sustainability benefits of harnessing energy from bacteria in material production.

SourceInstitute of Science and Technology Austria·JournalNature Physics·TypeExperimental study·DateJul 27, 2023

Bacteria like cholera may be crucial in the development of new antibiotics

Researchers at the University of Copenhagen have discovered how a bacterium called Vibrio alginolyticus moves using sodium ions, which could lead to new targets for antibiotics. The study provides insights into the flagellum's movement and may help develop novel antibiotics to combat antibiotic resistance.

SourceUniversity of Copenhagen - The Faculty of Health and Medical Sciences·JournalNature Communications·DateJul 27, 2023

Motivation and pleasure deficits play important role in social functioning across psychiatric disorders

A recent study published in Nature Mental Health reveals that amotivation and anhedonia are key factors in determining social functioning among individuals with psychiatric disorders. The research found that these negative symptoms have a stronger impact on social functioning than expressive dysfunction, especially in patients with sch...

SourceChinese Academy of Sciences Headquarters·JournalNature Mental Health·TypeExperimental study·DateJul 27, 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.

Fullerene-pillared porous graphene with high water adsorption capacity

Researchers have created a novel water-adsorbent material, fullerene-pillared porous graphene (FPPG), with highly designable and controllable pore structures. FPPG exhibits the largest water vapor adsorption capacity at 40% relative humidity due to the production of uniform nanopores.

SourceChiba University·JournalThe Journal of Physical Chemistry C·TypeExperimental study·DateJul 27, 2023

Violent atmosphere allows rare look at the early life of a planet

A new study has captured the early stages of planetary evolution, observing a young gas planet's violent and erratic atmospheric shedding. The research, led by Dartmouth researchers, provides insights into the most common experiences of planets beyond our solar system.

SourceDartmouth College·JournalThe Astronomical Journal·TypeObservational study·DateJul 27, 2023

Teens need consistent positive messaging in multicultural environments

A UC Davis study surveyed 700 teens in multicultural public schools, finding that only 4% received consistent and high levels of multicultural messaging and affirmation. The researchers suggest promoting multicultural socialization across school, peer, and family settings to improve adolescents' academic functioning.

SourceUniversity of California - Davis·JournalJournal of Youth and Adolescence·TypeSurvey·DateJul 27, 2023

Nerve cells in the brain can halt all movement in the body – even breathing

Researchers have discovered a group of nerve cells in the midbrain that can completely stop all forms of movement and slow down breathing and heart rate when stimulated. The study provides valuable insight into how the nervous system controls movement and may help understand Parkinson's disease.

SourceUniversity of Copenhagen - The Faculty of Health and Medical Sciences·JournalNature Neuroscience·TypeExperimental study·DateJul 27, 2023
Apple iPhone 17 Pro

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

Johns Hopkins Applied Physics Laboratory restores cold sensation in amputees’ phantom limbs

Researchers at Johns Hopkins Applied Physics Laboratory developed a wearable thin-film thermoelectric cooler that enables amputees to perceive temperature sensations in their phantom limbs. The technology has practical applications for improved prostheses, haptics, and pain management.

SourceJohns Hopkins University Applied Physics Laboratory·JournalNature Biomedical Engineering·TypeObservational study·DateJul 27, 2023

MIND diet study shows 'short-term' impact on cognition

A new study published in The New England Journal of Medicine found that the MIND diet had a significant improvement in cognition during the first two years, but no significant difference in three-year changes. The study enrolled 604 people with suboptimal diets and family history of Alzheimer's disease.

SourceRush University Medical Center·JournalNew England Journal of Medicine·TypeRandomized controlled/clinical trial·DateJul 27, 2023

Special package: Social media and elections

Researchers removed Facebook and Instagram users from seeing default algorithmic feeds, reducing time spent on the platforms but finding no impact on political attitudes or behaviors. This study is part of a package examining social media's impact on elections.

SourceAmerican Association for the Advancement of Science (AAAS)·JournalScience·DateJul 27, 2023

Broadband tip-enhanced nonlinear optical response in a plasmonic nanocavity

Scientists have discovered a way to control site-specific nonlinear optics using plasmonic nanocavities. The study found that the broadening of nonlinear optical responses can be achieved by manipulating both nanometer- and micrometer-scale structures in tip-substrate nanocavities.

SourceNational Institutes of Natural Sciences·JournalThe Journal of Physical Chemistry Letters·TypeExperimental study·DateJul 27, 2023
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.

Materials science: How molecular entanglements determine the structure of polymers

Semi-crystalline polymers' structure and properties depend on molecular chain entanglement. The researchers developed a model to predict their microscopic structure and properties, offering potential improvements or replacements with more sustainable materials.

SourceMartin-Luther-Universität Halle-Wittenberg·JournalProceedings of the National Academy of Sciences·TypeExperimental study·DateJul 27, 2023

New UIUC center to develop autonomous construction systems, ecosystem

The University of Illinois will establish a new research center dedicated to autonomous construction technologies, focusing on control systems, expert systems, artificial intelligence, and manufacturing technologies. The center aims to translate emerging technologies into real-world solutions for the US Army and State of Illinois.

SourceUniversity of Illinois Grainger College of Engineering·DateJul 27, 2023

Prestigious support for new concepts in RNA research

Researchers investigate how bacteria modify host RNA using effector proteins to ensure their survival, a process previously unknown in eukaryotes. The team aims to decipher the mechanisms behind this process and its benefits for the bacteria.

SourceJohannes Gutenberg Universitaet Mainz·DateJul 27, 2023

Hubble sees evaporating planet getting the hiccups

The Hubble Space Telescope has observed extreme variability in the atmosphere of an exoplanet orbiting a young red dwarf star. The planet, AU Mic b, experiences unpredictable blasts of energy that evaporate its hydrogen atmosphere, but with varying success.

SourceNASA/Goddard Space Flight Center·JournalThe Astronomical Journal·TypeObservational study·DateJul 27, 2023
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.

The genetic heritage of our extinct ancestors

Researchers discovered a 40,000-year-old gene flow event between an extinct gorilla ghost population and the common ancestor of eastern lowland gorillas and mountain gorillas. This exchange introduced genes that are still present in today's eastern gorillas, including a bitter taste receptor gene under positive selection.

SourceUniversity of Vienna·JournalNature Ecology & Evolution·DateJul 27, 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.

Making renewable, infinitely recyclable plastics using bacteria

Researchers successfully engineered microbes to produce biological alternatives for the starting ingredients in poly(diketoenamine), an infinitely recyclable plastic. This breakthrough creates a bio-based material with improved properties and reduced costs, offering a sustainable solution to the plastic waste problem.

SourceDOE/Lawrence Berkeley National Laboratory·JournalNature Sustainability·DateJul 27, 2023

Study reveals vital role of supportive managers to minimize physical restraint use in care homes

A Cochrane review reveals that organizational interventions can reduce the use of physical restraints in care home residents by 14%, without increasing falls or fall-related injuries. Supportive managers play a crucial role in implementing these interventions, which improve knowledge, skills, and strategies among frontline staff.

SourceCochrane·JournalCochrane Database of Systematic Reviews·TypeSystematic review·DateJul 27, 2023
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.

Cannabis poisonings rise after legalization, new review concludes

A new meta-analysis published in Addiction journal found that cannabis legalisation is associated with increased rates of cannabis poisoning. The risk of poisoning was higher among studies focused on children, who are particularly vulnerable to severe toxicity, including coma and neurological effects.

SourceSociety for the Study of Addiction·JournalAddiction·TypeMeta-analysis·DateJul 27, 2023

Unveiling the potential of radiofrequency-operated 2D biochemical sensor in the internet-of-things era

Researchers have developed ultra-thin and flexible 2D biochemical sensors with high sensitivity for detecting target substances, revolutionizing sensing technology. However, integrating these sensors into comprehensive systems for large-scale industrial manufacturing poses significant challenges.

SourceInternational Journal of Extreme Manufacturing·JournalInternational Journal of Extreme Manufacturing·DateJul 27, 2023

Researchers develop low-cost sensor to enhance robots' sense of touch

A new sensor developed by Queen Mary University of London enhances robots' sense of touch, allowing them to accurately measure interaction forces and geometry. This breakthrough could pave the way for more advanced and reliable robotics in the future, enabling better handling and manipulation of objects.

SourceQueen Mary University of London·JournalIEEE Robotics and Automation Letters·DateJul 27, 2023

Using cosmic weather to study which worlds could support life

Researchers used a new code to test the capabilities of future giant telescopes, which could help identify potentially habitable planets. The study found that ELT and TMT can make high-resolution observations of brown dwarfs and exoplanets over a single rotation, while GMT's instruments require multiple rounds.

SourceOhio State University·JournalThe Astrophysical Journal·TypeData/statistical analysis·DateJul 27, 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.

Korean Red Ginseng can alleviate addictive effects of alcohol, find Sahmyook University researchers

Researchers found that Korean Red Ginseng (KRG) can restore spatial working memory and reduce withdrawal symptoms in mice exposed to alcohol. KRG suppresses the PKA-CREB signaling pathway and inhibits neuroinflammation, suggesting its potential as a novel therapeutic intervention for treating alcohol use disorder.

SourceSahmyook University·JournalJournal of Ginseng Research·TypeExperimental study·DateJul 26, 2023

RIT professor co-authors paper on new planetary formation findings

A team of researchers, including RIT's Joel Kastner, have discovered new evidence of how planets as massive as Jupiter can form through gravitational instability around a young star. The discovery was made using images from the ESO's Very Large Telescope and the Atacama Large Millimeter/submillimeter Array.

SourceRochester Institute of Technology·JournalThe Astrophysical Journal Letters·DateJul 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.

Study in journal Nature Communications finds high blood glucose levels sensitizes pancreatic cancer cells to chemotherapy

Researchers discovered that high blood glucose levels make pancreatic cancer cells more sensitive to chemotherapy, which could lead to improved treatment outcomes. In a mouse model and clinical data, the study found a nearly 40% lower risk of death among patients with elevated glucose levels compared to those with normal levels.

SourceUniversity Hospitals Cleveland Medical Center·JournalNature Communications·DateJul 26, 2023

Low binding affinity improves vaccine efficacy

Researchers developed a novel vaccine against SARS-CoV-2 by selecting antigen variants with low binding affinity, resulting in higher neutralizing antibody concentrations. This design strategy may also improve vaccine efficacy for other coronaviruses and herpes viruses.

SourceBIH at Charité·JournalEuropean Journal of Immunology·TypeExperimental study·DateJul 26, 2023

Broadband quantum-dot frequency-modulated comb laser

A team of scientists has developed a broadband frequency-modulated comb based on advanced quantum-dot laser, generating a record 3-dB optical bandwidth of 2.2 THz. This quasi-continuous-wave FM comb does not deliver strong optical pulses, making it favorable for integrated DWDM systems.

SourceLight Publishing Center, Changchun Institute of Optics, Fine Mechanics And Physics, CAS·JournalLight Science & Applications·DateJul 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.

Earth's plate tectonics recently underwent a fundamental change

Researchers believe convection in the mantle was stratified into two distinct layers, isolated from each other, until a phase transition at 660 km depth. This restriction to upper mantle recycling and mixing has implications for our understanding of Earth's primordial composition.

SourceUniversity of Copenhagen - The Faculty of Health and Medical Sciences·JournalNature·DateJul 26, 2023

UC researcher to study the FAB400, a cohort of sexual minority women

A federally funded study led by University of Cincinnati clinical psychologist Sarah Whitton aims to identify mental health risks and protective factors for sexual minority women. The FAB400 cohort, a racially diverse group of nearly 400 women aged 21-26, will participate in an additional six waves of data collection over 2.5 years.

SourceUniversity of Cincinnati·DateJul 26, 2023

Eight out of ten child deaths in low-income countries could be prevented

A study by the CHAMPS network found that 82% of child deaths in low-income countries could have been prevented through targeted interventions. The research used minimally invasive autopsies to investigate causes of death and highlighted the role of infections, with an infectious agent found in 87% of cases.

SourceBarcelona Institute for Global Health (ISGlobal)·JournalJAMA Network Open·TypeObservational study·DateJul 26, 2023

Bromide ions cause ripples in semiclathrate hydrates

A recent study published in Applied Physics Letters reveals the dynamics of water molecules in tetra-n-butylammonium bromide semiclathrate hydrate using quasi-elastic neutron scattering. The research found that water molecules rapidly reorient, and their motion is consistent with breaking hydrogen bonds.

SourceOsaka University·JournalApplied Physics Letters·TypeExperimental study·DateJul 26, 2023
Meta Quest 3 512GB

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

A symmetric-actuating linear piezoceramic ultrasonic motor capable of producing a scissoring effect

A novel symmetric-actuating linear piezoceramic ultrasonic motor (SLPUM) is developed to generate symmetrical, synchronous opposite or backward movements of two movers with the same velocity. The SLPUM doubles the working efficiency of traditional piezoelectric motors and can produce high-precision scissoring effects in microsurgery.

SourceResearch·JournalResearch·TypeExperimental study·DateJul 26, 2023

Recyclable photoreactive adhesive

Researchers at NIMS have created a novel adhesive that can be repeatedly bonded and unbonded under controlled conditions. This 'reset-on-demand' technology allows for the recovery and reuse of both the adhesive and substrate, addressing environmental concerns while maintaining strong adhesion.

SourceNational Institute for Materials Science, Japan·JournalAdvanced Functional Materials·DateJul 26, 2023

People with increased genetic risk of Alzheimer’s may lose sense of smell first

Researchers found that people carrying the APOE e4 gene variant, which increases the risk of Alzheimer's disease, may experience reduced smell detection earlier than those without the gene. The study suggests that testing a person's ability to detect odors could be an early indicator of future memory and thinking problems.

SourceAmerican Academy of Neurology·JournalNeurology·DateJul 26, 2023

Ammonia reduction should be prioritized in Europe’s fight against air pollution

A new study identifies reducing ammonia emissions as a cost-effective measure to reduce fine particulate matter concentrations in Europe. Implementing effective measures in the agricultural sector could achieve significant pollution reductions, avoiding 100,000 premature deaths annually.

SourceInternational Institute for Applied Systems Analysis·JournalNature Communications·DateJul 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.

People with heart failure can step their way to better health

A study published in JACC: Heart Failure found that people with heart failure who increase their daily step count experience improvements in health status over a 12-week period. The study suggests that wearable device data, such as step counts, can be clinically significant and inform future clinical trials and care.

SourceAmerican College of Cardiology·JournalJACC Heart Failure·DateJul 26, 2023

Arctic terns may navigate climate dangers

A new study suggests that Arctic terns, which fly on the longest migrations of any animal, may be resilient to climate change due to their vast habitats. However, researchers warn that multiple small effects could harm this long-lived species and other species unable to adapt.

SourceUniversity of Exeter·JournalGlobal Change Biology·TypeObservational study·DateJul 26, 2023

Another step forward in radiocarbon dating and understanding of Earth climate and environmental processes during glacial times

A new study enhances radiocarbon dating by creating a precise record of atmospheric shifts over 14,000 calendar years BP. This improvement allows for more accurate dating of sub-fossil samples, enabling researchers to reconstruct past environmental and climate changes during glacial times.

SourceUniversità di Bologna·JournalCommunications Earth & Environment·DateJul 26, 2023
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.

Study examines struggles of Haitian migrants self-managing diabetes on Dominican Republic sugar cane fields

A new study from the University of Missouri found that poverty, low health literacy, cultural beliefs, lack of infrastructure, and political issues hinder diabetes self-management for Haitian migrants. The researchers suggest targeted interventions, such as community gardens and healthcare education through local priests.

SourceUniversity of Missouri-Columbia·JournalThe Science of Diabetes Self-Management and Care·TypeSurvey·DateJul 26, 2023