Add BrightSurf on Google Email

Science News Archive September 2023 - Page 36


Page 36 of 37

Key role of epigenetic information in stem cell function unveiled

A groundbreaking study from the University of Copenhagen sheds light on the significance of transmitting epigenetic information during cell division for proper function of embryonic stem cells. The researchers found that histones play a crucial role in maintaining epigenome stability and cell identity.

SourceUniversity of Copenhagen - The Faculty of Health and Medical Sciences·JournalNature Genetics·DateSep 4, 2023

Low-cost molybdenum complex paves the way for sustainable photochemistry

Researchers develop a simple, low-cost molybdenum complex for photocatalysis and photon upconversion, overcoming the limitations of expensive precious metal complexes. The complex shows excellent photostability and outperforms traditional compounds in some cases.

SourceJohannes Gutenberg Universitaet Mainz·JournalJournal of the American Chemical Society·DateSep 4, 2023

Improving organic solar cell efficiency through molecular engineering

Researchers found that adding OEG-based side chains to polymer donors enhances the hydrophilicity of the material, improving interactions between the donor and small molecule acceptors. This leads to improved power conversion efficiency and device stability in non-halogenated processing solvents.

SourceTsinghua University Press·JournalNano Research Energy·DateSep 4, 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.

Children with higher BMI at increased risk of developing depression

Research from King's College London found that children between ages 12 and 16 with a higher body mass index (BMI) are at an increased risk of developing depression symptoms. The study also showed that there is a stronger association for children with a higher BMI at an early age to develop depression at a later age.

SourceKing's College London·JournalPsychological Medicine·DateSep 4, 2023

Three out of four populations of rare butterflies have been lost

A comprehensive study reveals a 72% reduction in rare butterfly populations across Eastern Denmark, with only 158 sites remaining from 565 in 1993. The research highlights the need for improved habitat protection and management to safeguard these species.

SourceUniversity of Copenhagen - Faculty of Science·JournalBiological Conservation·DateSep 4, 2023

THE LANCET PLANETARY HEALTH: Experts warn 'green growth' in high income countries is not happening, call for 'post-growth' climate policies to meet Paris targets

A study found that high-income countries' emission reductions fall short of Paris Agreement targets, with many needing to reduce emissions by 30 times faster than achieved. Experts call for a post-growth approach to decarbonize and achieve urgent social and ecological goals.

SourceThe Lancet·JournalThe Lancet Planetary Health·DateSep 4, 2023

Pharmacy discount card programs like Amazon Prime and GoodRx gold could save patients millions of dollars in out-of-pocket costs for commonly prescribed generic medications

A nationally representative study found that at least one out of five prescriptions for commonly prescribed generic medications were cheaper through Amazon Prime or GoodRx Gold discount cards compared to actual out-of-pocket payments made by patients. The findings highlight the disproportionately higher frequency of out-of-pocket payme...

SourceAmerican College of Physicians·JournalAnnals of Internal Medicine·TypeNews article·DateSep 4, 2023
Apple iPhone 17 Pro

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

New study uncovers the Causes of the Qing Dynasty's Collapse

A new study by the Complexity Science Hub has pinpointed three main drivers of the Qing Dynasty's collapse: population explosion, elite competition, and financial burden. These factors culminated in a series of uprisings that led to the dynasty's downfall despite being wealthier than modern-day China.

SourceComplexity Science Hub·JournalPLOS ONE·TypeComputational simulation/modeling·DateSep 4, 2023

Most species are rare. But not very rare

Researchers analyzed data from the Global Biodiversity Information Facility and found a universal pattern of species abundance distributions, with most species being rare but not extremely rare. The study's findings may help answer Darwin's question about why some species are common while others are rare.

SourceGerman Centre for Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig·JournalNature Ecology & Evolution·TypeData/statistical analysis·DateSep 4, 2023

Pioneering research sheds surprising new light on evolution of plant kingdom

A new study has uncovered that plants evolved gradually over time, with episodic bursts of innovation to overcome environmental challenges. The research found that changes in plant anatomy occurred in association with events where the entire cellular genetic make-up was doubled, likely due to errors in genome-copying.

SourceUniversity of Bristol·JournalNature Plants·DateSep 4, 2023

Atomically-precise quantum antidots via vacancy self-assembly

Scientists fabricate QADs with engineered quantum hole states, exhibiting novel transport properties and unique quantum phenomena. The structures' robustness against environmental influences enables exploration of novel quantum phenomena and material technologies.

SourceNational University of Singapore·JournalNature Nanotechnology·TypeExperimental study·DateSep 4, 2023

Thai comprehensive Health Improvement intervention can increase the physical health of people with early psychosis

The Thai-HIP intervention has been shown to increase the physical health of people with early psychosis by addressing various health issues such as poor dental health, physical inactivity, and diet. By involving family members in care planning, the program ensures better adherence to the planned physical health program.

SourceLa Trobe University·JournalInternational Journal of Nursing Studies·TypeRandomized controlled/clinical trial·DateSep 4, 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.

Large herbivores keep invasive plants at bay

A new study shows that large herbivores can protect local nature by eating and trampling on invasive plant species. Native plants have evolved to withstand the treatment of these herbivores, while invasive plants usually cannot.

SourceAarhus University·JournalNature Ecology & Evolution·DateSep 4, 2023

Flexible solar cell achieves major power conversion efficiency gains

Researchers at Chinese Academy of Sciences Headquarters have developed flexible solar cells with efficiencies comparable to conventional solar cells. They achieved significant power conversion efficiency gains by optimizing the material composition and guest component location in ternary organic solar cells.

SourceChinese Academy of Sciences Headquarters·JournalAdvanced Materials·DateSep 4, 2023

First-in-class targeted microRNA therapy slows cancer tumor growth

Researchers developed a targeted microRNA therapy that slowed cancer tumor growth in a 21-day study. The therapy, which combines a delivery system with modified microRNA-34a, suppressed the activity of genes driving cancer and resistance to other therapies.

SourcePurdue University·JournalOncogene·TypeExperimental study·DateSep 4, 2023

Conservation gardening: Green spaces in Germany could contribute far more to biodiversity conservation

A recent study has developed an app providing lists of native, declining species suitable for gardening, increasing public engagement. The research found that over half of threatened species are commercially available and prefer dry soils, offering a promising approach to reversing biodiversity decline.

SourceUniversität Leipzig·JournalScientific Reports·TypeData/statistical analysis·DateSep 4, 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.

Farms that create habitat key to food security and biodiversity

Research finds that smaller farms with varied crop types and forest patches support many bird species typically found in forests, even as populations decline in forests. Diversified farming can be crucial for preserving biodiversity and its benefits, including ecosystem services such as pest control and pollination.

SourceStanford University·JournalProceedings of the National Academy of Sciences·DateSep 4, 2023

Wood modification boosts biomass conversion

Scientists have engineered trees to be easier to disassemble into simpler building blocks using callose-enriched wood. This approach increases the efficiency of converting woody plant biomass to fuel and other useful products.

SourceUniversity of Cambridge·JournalNature Plants·TypeExperimental study·DateSep 4, 2023

How to inactivate common cold viruses

RSV virus remains infectious on surfaces for up to seven days, emphasizing the need for regular disinfection. Effective hand sanitizers with at least 30% alcohol content can inactivate the virus.

SourceRuhr-University Bochum·JournalJournal of Hospital Infection·TypeExperimental study·DateSep 4, 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.

Better cybersecurity with new material

Researchers at Linköping University develop a new type of quantum random number generator based on perovskite light emitting diodes, providing improved randomness and security. The technology has the potential to be cheaper and more environmentally friendly than traditional methods.

SourceLinköping University·JournalCommunications Physics·DateSep 4, 2023

ChatGPT is debunking myths on social media around vaccine safety, say experts

A recent study found that ChatGPT scored 9/10 in accuracy for debunking Covid-19 vaccine myths, making it a reliable source of non-technical information. The AI tool's responses were accurate in addressing both true and false contraindications, but highlighted potential concerns over changes in answers over time.

SourceTaylor & Francis Group·JournalHuman Vaccines & Immunotherapeutics·TypeSurvey·DateSep 3, 2023

Researchers achieve efficient nutrient delivery to crop leaves through nanomaterial surface roughness engineering

Scientists create a pH-controlled oxidation-resistant ferrous foliar fertilizer delivery system that adheres efficiently to hydrophobic leaf surfaces. The innovative technology enhances crop yield and alleviates iron deficiency, offering a viable approach for improving crop nutrition and productivity.

SourceHefei Institutes of Physical Science, Chinese Academy of Sciences·JournalACS Nano·DateSep 3, 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.

Growing evidence supporting the protein leverage hypothesis

The protein leverage hypothesis proposes that a decrease in protein intake due to modern diets drives increased energy consumption. Research supports this idea, showing how protein appetite interacts with processed foods and life stage changes to increase the risk of obesity.

SourceUniversity of Sydney·JournalPhilosophical Transactions of the Royal Society B Biological Sciences·DateSep 3, 2023

Researchers achieve high-performance lithium-ion batteries through upcycling of degraded LiCoO2 cathodes

Researchers have developed a solid-phase sintering strategy to convert degraded LiCoO2 cathodes into high-energy-density lithium-ion batteries. The upcycled cathodes exhibit superior cycling performance and rate capability, making this method a promising solution for alleviating resource scarcity and environmental contamination.

SourceHefei Institutes of Physical Science, Chinese Academy of Sciences·JournalAdvanced Energy Materials·DateSep 3, 2023

A double barrier design proposed to enhance the tunneling electroresistance

Researchers proposed a double barrier structure to enhance tunneling electroresistance in ferroelectric tunnel junctions, achieving a TER ratio of 2.210×10^8% in DB-FTJs, outperforming single barrier designs by three orders of magnitude. The design enables multiple resistance states through controlled polarization of individual barriers.

SourceHefei Institutes of Physical Science, Chinese Academy of Sciences·Journalnpj Computational Materials·DateSep 3, 2023

People with lung conditions face extra risks from climate change

People with asthma and COPD face increased breathing difficulties due to climate change's effects on heatwaves, wildfires, and flooding. Experts urge governments to reduce greenhouse gas emissions to mitigate these risks.

SourceEuropean Respiratory Society·JournalEuropean Respiratory Journal·TypeCommentary/editorial·DateSep 3, 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.

Unveiling the toll of fossil fuel combustion on children's health and subsequent human capital loss

A new review explores the effects of air pollution and climate change on children's developmental health, leading to human capital losses. The study highlights three dimensions: health, cognitive ability, and socio-emotional ability, emphasizing the need for a comprehensive evaluation of these impacts.

SourceKeAi Communications Co., Ltd.·JournalGlobal Transitions·TypeLiterature review·DateSep 3, 2023

Hot Jupiter blows its top

Researchers used 3D simulations on Stampede2 to model the flow of HAT-P-32b's atmosphere, revealing a gigantic helium gas tail. The planet is losing significant atmospheric mass, which could help explain the mystery of intermediate-mass planets.

SourceUniversity of Texas at Austin·JournalScience Advances·TypeComputational simulation/modeling·DateSep 1, 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.

Invasive spotted lanternfly may not damage hardwood trees as previously thought

New research by Penn State suggests that hardwood trees such as maple, willow and birch are unlikely to see significant impacts from the sap-feeding spotted lanternfly. The study found that increased feeding pressure resulted in reduced growth during the first two years, but native trees recovered when feeding was less intense.

SourcePenn State·JournalEnvironmental Entomology·DateSep 1, 2023

Landscape-based methodology reveals ecological stability in the Qingzang plateau

A new landscape-oriented framework assesses ecological stability in the Qingzang Plateau, showing medium-high stability levels with minimal changes over recent years. The study highlights the impact of anthropogenic factors and climate change on ecosystem stability, recommending site-specific conservation measures.

SourceChinese Society for Environmental Sciences·JournalEnvironmental Science and Ecotechnology·DateSep 1, 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.

Precarious employment conditions can increase risk of early death

A Swedish study found that precarious employment conditions increase the risk of early death, with workers who shifted to standard employment experiencing a 20% lower risk of mortality. The study used registry data from over 250,000 workers and found that job security is crucial in reducing premature deaths.

SourceKarolinska Institutet·JournalJournal of Epidemiology and Community Health·TypeObservational study·DateSep 1, 2023

Statins linked to lower risk of colorectal cancer in patients with ulcerative colitis

Researchers at Karolinska Institutet found that statin treatment was associated with a lower risk of developing and dying from colorectal cancer in patients with ulcerative colitis. After a follow-up period of 5.6 years, the study showed that 70 statin users had been diagnosed with colorectal cancer compared to 90 non-statin users.

SourceKarolinska Institutet·JournalEClinicalMedicine·TypeObservational study·DateSep 1, 2023

Researchers discover quantum switch for regulating photosynthesis

The study reveals a quantum switching mechanism of LHCII, which regulates energy transfer quantum channel in response to lateral pressure and conformational change. This mechanism enables high efficiency in photosynthesis and balanced photoprotection.

SourceChinese Academy of Sciences Headquarters·JournalNature Plants·TypeExperimental study·DateSep 1, 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.

Researchers find Antarctic ice shelves thinner than previously thought

A new study published in the Journal of Glaciology suggests that prior attempts to evaluate the mass of Antarctic ice shelves may have overestimated their thickness. The researchers found that on average, the Antarctic ice shelves are nearly 6% thinner than previously assumed, a difference of about 17 meters.

SourceOhio State University·JournalJournal of Glaciology·TypeObservational study·DateSep 1, 2023

Research explores why daughters in Chinese families of son preference fail to break from sustained exploitation

Research reveals Chinese families' strong son preference can lead to daughters' emotional and financial exploitation, causing severe mental health consequences. Daughters are socialized from birth to prioritize their family's needs over their own, resulting in feelings of debt and low self-esteem.

SourceLancaster University·JournalMarketing Theory·TypeContent analysis·DateSep 1, 2023

Anode models for green hydrogen production

The study focuses on minimizing costs associated with electrolyser fabrication and operation. It aims to enhance our understanding of structure-reactivity relationships for a rational electrocatalyst design. The research uses crystalline mixed thin film oxide anodes, exploring various Co:Fe ratios.

SourceFritz Haber Institute of the Max Planck Society·JournalNature Communications·DateSep 1, 2023

$26M NIH grant addresses environmental influences on child health

Researchers at Michigan universities and institutions will continue studying environmental factors during pregnancy and early childhood, aiming to understand their impact on health outcomes. The study aims to identify ways to mitigate and improve child health from birth through adolescence.

SourceMichigan State University·DateSep 1, 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.

Flowering for naught: 120 years with nothing to show

Researchers found that over 80% of the bamboo's flowering culms did not produce viable seeds, indicating a lack of sexual regeneration via germination. This may lead to widespread ecological changes and loss of a valuable resource.

SourceHiroshima University·JournalPLOS ONE·DateSep 1, 2023

New research explains “Atlantification” of the Arctic Ocean

A team of scientists has identified a key factor contributing to the stalled trend in Arctic Ocean sea ice loss since 2007. The researchers found that changes in atmospheric circulation patterns, known as the Arctic dipole, drive freshwater from Siberian rivers into the Canadian sector of the Arctic Ocean.

SourceUniversity of Alaska Fairbanks·JournalScience·TypeMeta-analysis·DateSep 1, 2023
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.

Roadmap drafted for research into metallic ‘sponges’ for clean hydrogen

Metal organic frameworks (MOFs) are being explored as a game-changer for efficient photocatalytic water splitting, which is crucial for clean hydrogen production. With their unique structural properties and high surface area, MOFs can enhance the efficiency of this process by absorbing sunlight and providing more active sites for chemi...

SourceTsinghua University Press·JournalPolyoxometalates·DateSep 1, 2023

Air pollution has decreased across the US, but new Yale research finds health burdens remain unequal among racial groups

A new study by Yale researchers found that despite reductions in fine particulate air pollution, racial and ethnic minorities still experience disproportionately high rates of cardiovascular disease-related deaths. The study found that Black people face the highest burden, with a mortality rate 4.59 times higher than white people in 2001.

SourceYale University·JournalNature Human Behaviour·DateSep 1, 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.

Native American patients were sicker and more likely to die during the COVID-19 pandemic, UNM researchers find

Researchers found that Native American patients were sicker and more likely to die in the hospital due to COVID-19, despite having fewer pre-existing conditions. They also had higher viral loads in their blood, which may be linked to immunological responses or social determinants of health.

SourceUniversity of New Mexico Health Sciences Center·JournalPNAS Nexus·TypeObservational study·DateSep 1, 2023