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Science News Archive July 2023 - Page 20


Page 20 of 36

When ET calls, can we be sure we're not being spoofed?

Researchers at Breakthrough Listen project have devised a new technique for finding and vetting possible radio signals from other civilizations. The technique eliminates the possibility of signal being mere radio interference from Earth, boosting confidence in future detection of alien life.

SourceUniversity of California - Berkeley·JournalThe Astrophysical Journal·TypeComputational simulation/modeling·DateJul 17, 2023

In Florida, endangered coral finds a way to blossom

A new study found that the unique oceanographic conditions in Florida's Dry Tortugas National Park provide the ideal environment for elkhorn coral to flourish, with enhanced growth and survivorship. The research highlights the importance of food availability, particularly zooplankton, for coral survival and restoration efforts.

SourceOhio State University·JournalNature Communications·TypeExperimental study·DateJul 17, 2023

New genes implicated in deadly heart defect

Researchers from Sanford Burnham Prebys have identified new genes that contribute to hypoplastic left heart syndrome (HLHS), a rare and life-threatening heart disease. The findings, published in eLife, bring scientists one step closer to unraveling the biology of this complex disease.

SourceSanford Burnham Prebys·JournaleLife·DateJul 17, 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.

Ochsner participates in new study showing potential benefits of normothermic machine perfusion in liver transplantation

A new study published in Annals of Surgery reveals promising results for normothermic machine perfusion in liver transplantation. The randomized controlled trial found that this technology showed particular promise in marginal donors and those with higher risk factors, demonstrating a lower incidence of dysfunction and cardiovascular s...

SourceOchsner Health System·JournalAnnals of Surgery·TypeRandomized controlled/clinical trial·DateJul 17, 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.

How positive contact with diverse groups reduces conspiracy theories

A new study from UEA found that friendly interactions with people from diverse groups can significantly reduce the endorsement and tolerance of conspiracy theories. Positive intergroup contact has been shown to decrease prejudice towards targeted groups, including Jewish people and immigrants.

SourceUniversity of East Anglia·JournalEuropean Journal of Social Psychology·TypeSurvey·DateJul 17, 2023

Bacterial protein found in the urogenital tract may contribute to reduced fertility, birth defects

Researchers discovered a bacterial protein that contributes to genomic instability and birth defects. The study found that mice exposed to the protein experienced reduced fertility and increased birth defects, shedding light on potential cancer connections.

SourceUniversity of Maryland School of Medicine·JournalProceedings of the National Academy of Sciences·TypeExperimental study·DateJul 17, 2023

BUB1 regulates EGFR signaling by reducing EGFR internalization

Researchers found that BUB1 protein regulates EGFR signaling by reducing receptor internalization, which may lead to new therapeutic interventions for EGFR-driven cancers. The study also showed that BUB1 impacts receptor recycling and degradation, affecting signaling amplitude and duration.

SourceImpact Journals LLC·JournalAging-US·TypeExperimental study·DateJul 17, 2023

Survival of children with acute lymphatic leukemia further increased

A study of 800 Dutch children found that modified treatment protocols increased the five-year survival rate for all children with acute lymphatic leukemia to 94%. The modifications resulted in a three times lower risk of disease recurrence, especially in children with an aggressive form of leukemia.

SourcePrincess Máxima Center for Pediatric Oncology·JournalJournal of Clinical Oncology·DateJul 17, 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.

Metasurface design with intelligent optimization methods

Researchers have developed an intelligent metasurface design using forward and reverse algorithms, reducing computational time and improving physical accuracy. Machine learning and physics-informed neural networks are used to optimize metasurface properties and overcome limitations of traditional methods.

SourceLight Publishing Center, Changchun Institute of Optics, Fine Mechanics And Physics, CAS·JournalLight Science & Applications·DateJul 17, 2023

A key function for tight junctions in embryo models

A study by Gladstone Institutes researchers found that tight junctions between cells may play a critical role in gastrulation in human embryos. By suppressing tight junction formation, the team was able to create primordial germ cell-like cells, which are stem cells resembling human precursors of sperm and egg cells.

SourceGladstone Institutes·JournalDevelopmental Cell·DateJul 17, 2023

Bacteria discreetly dwelling in throat revealed to be primary source of Strep A transmission

Research reveals that asymptomatic throat carriage of Streptococcus pyogenes is the primary source of Group A Streptococcus (GAS) infections in high-risk communities. This discovery challenges previous understanding of GAS transmission and has significant implications for public health approaches, vaccine development, and future research.

SourceThe Peter Doherty Institute for Infection and Immunity·JournalThe Lancet Microbe·TypeObservational study·DateJul 17, 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.

Prescribing psychostimulants for people at risk of overdose

The Canadian Medical Association Journal recommends prescribing psychostimulants to help reduce illegal stimulant use. This approach is based on growing evidence from clinical trials in Australia, Europe, and the United States. Implementing this practice can help address the ongoing unregulated drug poisoning crisis in Canada.

SourceCanadian Medical Association Journal·JournalCanadian Medical Association Journal·TypeCommentary/editorial·DateJul 17, 2023

Third Alzheimer's drug represents 'opening chapter in new era'

The latest Alzheimer's drug, donanemab, has shown encouraging results in slowing cognitive decline by 35% compared to placebo in patients with low-to-intermediate levels of tau. However, its effectiveness is limited for those with more advanced disease, and risks include serious side effects such as amyloid-related imaging abnormalities.

SourceUniversity of California - San Francisco·JournalJAMA·DateJul 17, 2023

Protons set to power next-generation memory devices

A KAUST-led team has developed a proton-mediated approach that produces multiple phase transitions in ferroelectric materials, potentially leading to high-performance memory devices. The method enables the creation of multilevel memory devices with substantial storage capacity, operating below 0.4 volts.

SourceKing Abdullah University of Science & Technology (KAUST)·JournalScience Advances·DateJul 17, 2023

NUTRITION 2023 press materials available now

Researchers identify genes that directly influence what we eat and find foods that can boost brain health and protect the planet. New insights into genetic basis for food preferences could help improve personalized nutrition.

SourceAmerican Society for Nutrition·DateJul 17, 2023
Apple iPhone 17 Pro

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

Do common methods for protecting bees from pesticides actually work?

A new study analyzed existing research on bee-protective measures and found that many common methods are backed by minimal scientific evidence. Researchers urge stronger testing to evaluate effective measures and warn of potential waste of time if ineffective.

SourceEntomological Society of America·JournalJournal of Economic Entomology·TypeLiterature review·DateJul 17, 2023

Racial disparities discovered in patients with cardiac devices

A new study reveals that Black patients with ICDs have a significantly higher rate of post-implant cardiac events and risk of death compared to white patients. The study also shows that Black patients are more likely to discontinue medications after one year, but the reasons for this are unknown.

SourceUniversity of Rochester Medical Center·JournalCirculation·TypeMeta-analysis·DateJul 17, 2023

Redlining linked to higher heart failure risk among Black adults in US

A new study published in Circulation journal found that Black adults living in areas historically affected by discriminatory housing practices had a higher heart failure risk. The analysis included over 2.3 million adults from 2014-2019 and mapped historical redlining maps onto modern day maps of US zip codes.

SourceAmerican Heart Association·JournalCirculation·DateJul 17, 2023

How skin cancer virus outcompetes host cell replication

Researchers have discovered how MCV initiates DNA replication in host cells, allowing the virus to make hundreds of new copies of itself. This process is different from normal cellular DNA replication and can lead to cancer if not controlled.

SourceUniversity of Pittsburgh·JournalProceedings of the National Academy of Sciences·TypeExperimental study·DateJul 17, 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.

Study sheds light on origins, changeability of blood stem cells in humans

A study published in Nature Cell Biology found that blood stem cell diversity arises during embryonic development and can be manipulated in childhood to improve overall health. The researchers used zebrafish and human pluripotent stem cells to demonstrate the potential of enhancing blood stem cell production.

SourceYale University·JournalNature Cell Biology·DateJul 17, 2023

Unveiling synchronization preferences of quantum thermal machines

The study reveals that quantum thermal machines exhibit distinct synchronization behavior, with cooperation and competition emerging among different components. The researchers found that cooperation manifests in harmony-like synchrony, while competition thrives in chaotic conditions.

SourceInstitute for Basic Science·JournalPhysical Review Letters·TypeMeta-analysis·DateJul 17, 2023

Disruption risk along global supply chains: technology outage and IR&D investment

A study investigates how product manufacturers can mitigate key core technology loss risks in global competition by implementing independent research and development (IR&D). The analysis reveals that enterprises investing in IR&D can create a strategic advantage, weakening the rival country's control over the situation.

SourceKeAi Communications Co., Ltd.·JournalFundamental Research·TypeComputational simulation/modeling·DateJul 17, 2023
Sky-Watcher EQ6-R Pro Equatorial Mount

Sky-Watcher EQ6-R Pro Equatorial Mount provides precise tracking capacity for deep-sky imaging rigs during long astrophotography sessions.

Team fabricates chitin hydrogel via chemical transformation of chitosan

A team of researchers has developed a scalable and efficient method to fabricate chitin hydrogels, which show promise for biomedical applications due to their biocompatibility and biodegradability. The fabricated chitin hydrogels possess excellent mechanical properties, high water content, and antifouling performance.

SourceTsinghua University Press·JournalNano Research·DateJul 17, 2023

Research group develops biodegradable film that keeps food fresh for longer

A new biodegradable film was developed by Brazilian researchers using a derivative of limonene and chitosan to improve the preservation of food quality. The film outperformed those with limonene alone, exhibiting enhanced antioxidant activity and stability.

SourceFundação de Amparo à Pesquisa do Estado de São Paulo·JournalFood Packaging and Shelf Life·DateJul 17, 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.

Inequality and COVID-19

A study by University of Barcelona found that poorer districts in Barcelona were more likely to close schools during the pandemic, exacerbating existing health inequities. The researchers stress the importance of considering socioeconomic inequalities when designing public policies to prevent future pandemics.

SourceUniversity of Barcelona·JournalJournal of Public Health·TypeData/statistical analysis·DateJul 17, 2023

Personalised risk profile developed for patients with liver disease

A large-scale study shows that repeated liver stiffness measurements can predict patient outcomes in chronic liver disease. The researchers found that monitoring changes in liver stiffness over time provides a more accurate assessment of patient risk than single measurements.

SourceMedical University of Vienna·JournalGastroenterology·DateJul 17, 2023

New research shows babies’ immunological weak spot and strength

Researchers at Columbia University found that babies' immune cells develop slowly and are not fully mature until around 4-6 years old. This makes them more susceptible to respiratory infections, but also enables them to respond to new pathogens in a unique way, such as the formation of bronchus-associated lymphoid tissue (BALT).

SourceColumbia University Irving Medical Center·JournalNature Immunology·TypeExperimental study·DateJul 17, 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.

Donanemab in early symptomatic Alzheimer disease

In a phase 3 clinical trial, donanemab significantly slowed clinical progression in patients with low/medium tau and high tau pathology. The treatment cleared brain amyloid plaque, demonstrating its potential to slow Alzheimer disease progression.

SourceJAMA Network·JournalJAMA·DateJul 17, 2023

Rice engineers’ storage technology keeps nanosurfaces clean

Researchers at Rice University have created a new type of storage container that effectively prevents surface contamination for at least six weeks. The technology relies on an ultraclean wall with tiny bumps and divots, which attracts VOCs in air inside the containers.

SourceRice University·JournalNano Letters·TypeExperimental study·DateJul 17, 2023

Significant rise in ADHD diagnoses in the UK

A significant rise in ADHD diagnoses and prescriptions was observed in the UK over the past two decades, with a higher increase among adults. The study found that ADHD was more commonly diagnosed in children and boys than girls and women, and that the number of individuals receiving medication for ADHD increased significantly.

SourceUniversity College London·JournalBJPsych Open·TypeMeta-analysis·DateJul 16, 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.

Poetic birdsong, precisely tuned

Researchers found nightingales can flexibly adjust the pitch of certain song parts over a wide range of frequencies to imitate competitors. This strategy is thought to increase their mating chances during the breeding season. The birds can also adjust their songs in real-time to auditory stimuli, suggesting a robust neural circuitry.

SourceMax-Planck-Gesellschaft·JournalCurrent Biology·TypeObservational study·DateJul 16, 2023

USTC develops solvent- and hydrogen-free method to upcycle high-density polyethylene plastics

A USTC research team introduces a novel dehydroaromatisation and hydrogenolysis tandem strategy to convert HDPE plastics into cyclic hydrocarbons without solvents or hydrogen. The method guarantees the continuity and stability of the catalytic reaction, making it suitable for various polyethylene plastics.

SourceUniversity of Science and Technology of China·JournalNature Nanotechnology·DateJul 15, 2023
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.

USTC revealed compositional and thermal state of earth’s lower mantle

The study reveals that LLSVPs exhibit higher densities at the bottom of the lower mantle, while displaying lower densities above a depth of approximately 2700 kilometers. Elevated temperatures and enriched concentrations of iron and bridgmanite are also detected.

SourceUniversity of Science and Technology of China·JournalProceedings of the National Academy of Sciences·DateJul 15, 2023

Unimolecular reactions of anti-glycolaldehyde oxide and its reactions with one and two water molecules

Researchers used coupled cluster theory and multi-structural canonical variational transition state theory to investigate the unimolecular reaction of anti-glycolaldehyde oxide and its bimolecular reactions with atmospheric water vapor. The study found that the OH substituent increases reactivity and a specific reaction path dominates ...

SourceResearch·JournalResearch·TypeExperimental study·DateJul 15, 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.

5-aminolevulinic acid might help fight mitochondrial disorders

Researchers at Tokyo Metropolitan University have discovered that 5-aminolevulinic acid can selectively boost Complex II and IV to counteract Complex I deficiency, a common cause of mitochondrial disorders. This finding offers new hope for the development of treatments for debilitating conditions such as MELAS syndrome.

SourceTokyo Metropolitan University·JournalHuman Molecular Genetics·DateJul 15, 2023

New study demonstrates the potential of diseased coral parents in restoring stony coral tissue loss disease-affected species

A new study reveals that even colonies affected by Stony Coral Tissue Loss Disease (SCTLD) can contribute to the restoration of susceptible species through assisted sexual reproduction. The study found high fertilization and settlement success rates, with survivorship rates reaching up to 44% after being outplanted on a degraded reef.

SourcePeerJ·JournalPeerJ·TypeObservational study·DateJul 14, 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.

Improving urban planning with virtual reality

Researchers use virtual reality to simulate urban scenarios, allowing them to measure the implicit effects of urban planning measures on human stress levels. The method has shown that higher traffic volumes can upset test subjects, paving the way for more climate-friendly and inclusive urban planning.

SourceRuhr-University Bochum·TypeExperimental study·DateJul 14, 2023

Exercise during dialysis has positive health impact

A large-scale study found that exercise programs for dialysis patients lead to significant improvements in physical fitness, quality of life, and reduced hospital stays. Personalized exercise plans showed low costs per training unit, making them a viable option for standard healthcare coverage.

SourceTechnical University of Munich (TUM)·JournalNEJM Evidence·TypeRandomized controlled/clinical trial·DateJul 14, 2023

Biology behind new drug used to treat triple-negative breast cancer uncovered

Researchers at Georgetown University Medical Center discovered the biological mechanism of TTP488, an experimental drug that impairs aggressive triple-negative breast cancer from metastasizing. The finding enables clinical trials to explore the drug's effectiveness in preventing TNBCs from spreading, offering new hope for patients with...

SourceGeorgetown University Medical Center·JournalBreast Cancer·TypeExperimental study·DateJul 14, 2023
Apple Watch Series 11 (GPS, 46mm)

Apple Watch Series 11 (GPS, 46mm) tracks health metrics and safety alerts during long observing sessions, fieldwork, and remote expeditions.

Scientists map single-cell spatial distribution atlas of macaque cortex

A team of scientists mapped the cell-type taxonomy in the macaque cortex using Stereo-seq and snRNA-seq technology. They found distinct cortical and regional specificity in glutamatergic neurons, GABAergic neurons, and non-neuronal cells, with significant correlations between cell composition and brain region structure.

SourceChinese Academy of Sciences Headquarters·JournalCell·DateJul 14, 2023