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Science News Archive December 2023 - Page 24


Page 24 of 29

Greenhouse gases in oceans are altered by climate change impact on microbes – an Incheon National University study

Researchers from Incheon National University found that climate change impacts prokaryotes in oceans, altering methane and nitrous oxide cycles. This study highlights the need for policies to reduce ocean acidification and warming to stabilize vital microbial communities and greenhouse gas cycles.

SourceIncheon National University·JournalMarine Pollution Bulletin·TypeExperimental study·DateDec 6, 2023

Improving dietary habits of gastrointestinal cancer patients and their caregivers

A recent study from Drexel University's College of Nursing and Health Professions aimed to understand the challenges and supports affecting individuals with GI cancer and their caregivers when it comes to maintaining a healthy diet and avoiding malnutrition. The research highlighted the importance of creating dietary interventions that...

SourceDrexel University·JournalCancer Control·DateDec 6, 2023

A reflective display based on electro-microfluidic assembly of particles within suppressed water-in-oil droplet array

Researchers developed an innovative reflective display method using electro-microfluidic assembly of particles, enabling multicolored displays with high reversibility and viewing angles. The technique offers advantages in fabrication, response speed, and color performance, making it a promising candidate for green display technology.

SourceLight Publishing Center, Changchun Institute of Optics, Fine Mechanics And Physics, CAS·JournalLight Science & Applications·DateDec 6, 2023
Apple iPhone 17 Pro

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

Repeated blast exposures may harm the brain health of military personnel

A study found increased brain inflammation and structural changes in special operations personnel exposed to blasts, potentially increasing the risk of long-term brain-related disease. The research suggests that repetitive exposure to low-level blasts may cause brain injuries and highlights the need for better protective measures.

SourceUniversity of Virginia Health System·JournalJournal of Neurotrauma·TypeRandomized controlled/clinical trial·DateDec 6, 2023

Can brain stimulation benefit individuals with schizophrenia?

Researchers found that repetitive transcranial magnetic stimulation (rTMS) improved event-based prospective memory in patients with schizophrenia, but not time-based prospective memory. The study suggests rTMS as a potential therapeutic option for prospective memory impairments in individuals with schizophrenia.

SourceWiley·JournalNeuropsychopharmacology Reports·DateDec 6, 2023

Plant diversity stabilizes soil temperature

Researchers found that high plant diversity acts as a buffer against fluctuations in soil temperature, protecting ecosystems and agricultural productivity. Plant diversity increased shading and organic carbon content, reducing heat conduction and stabilizing soil temperature.

SourceUniversität Leipzig·JournalNature Geoscience·TypeExperimental study·DateDec 6, 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.

New dark matter theory explains two puzzles in astrophysics

A new theory, self-interacting dark matter (SIDM), proposes that dark matter particles interact through a dark force, explaining high-density halos and low-density halos of ultra-diffuse galaxies. SIDM simulates cosmic structure formation with strong dark matter self-interactions, diversifying halo density in central regions.

SourceUniversity of California - Riverside·JournalThe Astrophysical Journal·TypeComputational simulation/modeling·DateDec 6, 2023

Newly developed floating trash interceptor cleans up the river

A new technology for reducing floating debris in rivers has been developed and tested, achieving a 30% reduction in waste disposal cost. The system uses AI to analyze the amount and composition of debris and determine optimal collection cycles.

SourceNational Research Council of Science & Technology·DateDec 6, 2023

Climate played a crucial role in human migration from Africa

Scientists discovered that the Sahara Desert was greener during the time of Homo erectus' migration, allowing for a more hospitable passage. This discovery sheds new light on how early humans adapted to their environment.

SourceAarhus University·JournalCommunications Earth & Environment·TypeObservational study·DateDec 6, 2023

Researchers develop a promising gene-editing strategy for spinal muscular atrophy

A team of researchers has developed a promising gene-editing strategy for spinal muscular atrophy (SMA), a devastating pediatric neuromuscular disorder. The approach involves using CRISPR base editing to activate the SMN2 gene, which is similar to the mutated SMN1 gene responsible for SMA.

SourceMassachusetts General Hospital·JournalNature Biomedical Engineering·TypeExperimental study·DateDec 6, 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.

Novel dice loss functions for improved image segmentation

Novel Dice loss functions, t-vMF Dice loss and Adaptive t-vMF Dice loss, have been developed to improve image segmentation accuracy in medical images. These new functions outperform conventional formulations and show great potential for critical fields like medical imaging and diagnosis.

SourceMeijo University·JournalComputers in Biology and Medicine·TypeImaging analysis·DateDec 6, 2023

Wood materials make for reliable organic solar cells

Scientists at Linköping University have created stable and environmentally friendly organic solar cells by incorporating untreated kraft lignin into the electron transport layer. This innovation improves the overall efficiency and reliability of organic solar cells, paving the way for a more sustainable future.

SourceLinköping University·JournalAdvanced Materials·DateDec 6, 2023

Do “forever chemicals” have “forever impacts”? Study suggests link between higher prenatal pfas exposures and offspring obesity risk in adolescence

A Harvard Pilgrim Health Care Institute study found a strong link between higher prenatal PFAS exposure and increased rates of obesity and body fat in adolescent offspring. Higher levels of certain PFAS were associated with a 13-59% increase in the risk of obesity, highlighting the long-term consequences of PFAS for developmental health.

SourceHarvard Pilgrim Health Care Institute·JournalEnvironmental Health Perspectives·DateDec 6, 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.

New insight into the impact of arsenic exposure on vaccine efficacy in children

A new study by Texas A&M University researchers found a significant decrease in measles antibody concentrations with increasing urinary arsenic levels in children with low serum folate levels. Folate intake may mitigate the toxic effects of chronic arsenic exposure, but the unequal impact of arsenic by sex remains unclear.

SourceTexas A&M University·JournalEnvironment International·DateDec 6, 2023

Fascicle gearing dynamics: Unveiling 3D rotation effects in muscle elongation

Researchers at Waseda University used diffusion tensor imaging to reconstruct fascicles in three dimensions, finding that a gearing mechanism reduces individual fascicle elongation during stretching. This mechanism allows muscles to extend without significant fiber length changes, preventing overstretching and injury.

SourceWaseda University·JournalMedicine & Science in Sports & Exercise·TypeExperimental study·DateDec 6, 2023

Why do some older adults show declines in their spatial memory?

A new study by University of Arizona psychologists investigated the possible scenarios leading to waning memory in older people. The researchers found that the hippocampus contributes to the difficulty in learning new environments and locations in some older adults.

SourceUniversity of Arizona·JournalProceedings of the National Academy of Sciences·TypeExperimental study·DateDec 6, 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.

Luttinger's theorem at the core of topological matter

A connection has been found between Luttinger's theorem and the topological classification of quantum matter, revealing that certain exotic phenomena arise from its violation. The Ishikawa-Matsuyama invariant is shown to be insufficient to classify correlated insulators in these cases.

SourceUniversité libre de Bruxelles·JournalPhysical Review Letters·TypeNews article·DateDec 6, 2023

Baboons in captivity in Ancient Egypt: insights from collection of mummies

Researchers analyzed skeletal remains of ancient Egyptian baboon mummies from the site of Gabbanat el-Qurud, finding lesions and deformations indicative of malnutrition and lack of sunlight. The findings provide insights into how baboons were kept in captivity before their eventual mummification.

SourcePLOS·JournalPLOS ONE·TypeObservational study·DateDec 6, 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.

Light therapy may improve symptoms of Alzheimer’s disease

A meta-analysis of 15 randomized controlled trials found significant improvements in sleep efficiency and psycho-behavioral symptoms in patients with Alzheimer's disease. Light therapy also alleviated depression and reduced patient agitation and caregiver burden.

SourcePLOS·JournalPLOS ONE·TypeMeta-analysis·DateDec 6, 2023

New modular flow platform for improved SuFEx click chemistry

Researchers developed a modular flow platform to safely execute SuFEx click chemistry, generating toxic sulfuryl fluoride in a controlled manner. The system facilitates rapid functionalization of small molecules, peptides, and proteins.

SourceUniversiteit van Amsterdam·JournalNature Synthesis·DateDec 6, 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.

Study reshapes understanding of mass extinction in Late Devonian era

Researchers have long debated the cause of the Late Devonian mass extinction event, with some attributing it to large-scale volcanic eruptions and others to a mass deoxygenation event caused by land plants. A new study now posits that both factors played a role, highlighting the environmental tipping points the planet faces today.

SourceIndiana University·JournalCommunications Earth & Environment·TypeComputational simulation/modeling·DateDec 6, 2023

The ocean may be storing more carbon than estimated in earlier studies

A recent study has found that the ocean's capacity to store atmospheric carbon dioxide is significantly higher than previously estimated. The research team analyzed data from around the world and calculated a new estimate of 15 gigatonnes per year, an increase of around 20% compared to previous studies.

SourceCNRS·JournalNature·DateDec 6, 2023

Possible treatment for anaemia in myelodysplastic neoplasms (MDS)

Imetelstat, a telomerase inhibitor, successfully treated anaemia in MDS patients for up to one year, reducing the need for red blood cell transfusions. The drug offers a novel mechanism of action for patients with lower-risk MDS who do not respond to standard treatment.

SourceUniversität Leipzig·JournalThe Lancet·TypeRandomized controlled/clinical trial·DateDec 6, 2023

Physics behind unusual behavior of stars’ super flares discovered

A new study by University of Hawaii at Manoa scientists reveals a possible mechanism for the 'late phase' in stellar white-light flares, leading to unusual behavior. The discovery sheds light on the underlying physics driving these rare events.

SourceUniversity of Hawaii at Manoa·JournalThe Astrophysical Journal·DateDec 6, 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.

In search of the perfect mirror at mid-infrared wavelengths

An international team of researchers has demonstrated the first true mid-infrared supermirrors, achieving reflectivities of 99.99923% and losing only 8 photons out of 1 million. These mirrors enhance climate and biofuel research via precision trace gas sensing.

SourceUniversity of Vienna·JournalNature Communications·DateDec 6, 2023

Strengthening EDI in entrepreneurship training with creation of new global scorecard

The new GEET+ 2.0 report and assessment tool aims to integrate equity, diversity, and inclusion into business-training curriculums, enhancing program content and delivery. By identifying biases and stereotypes, organizations can create more inclusive entrepreneurship systems, ultimately improving access to resources for underrepresente...

SourceUniversity of Ottawa·TypeCase study·DateDec 6, 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.

Climate change shown to cause methane to be released from the deep ocean

Researchers at Newcastle University found that climate change can cause frozen methane to melt and release methane into the sea. This process, known as hydrate dissociation, has significant implications for predicting and addressing the impact of methane on our changing climate.

SourceNewcastle University·JournalNature Geoscience·TypeComputational simulation/modeling·DateDec 6, 2023

HKUST elucidates how IGF2’s secretory pathway mediates muscle stem cell differentiation

A HKUST research team identified TMED10 as a protein that facilitates the secretion of insulin-like growth factor 2 (IGF2), which is crucial for muscle stem cell differentiation. The study provides valuable insights into the mechanisms underlying IGF2's functions and suggests potential therapeutic strategies to modulate its signaling.

SourceHong Kong University of Science and Technology·JournalProceedings of the National Academy of Sciences·TypeExperimental study·DateDec 6, 2023

From infamy to ingenuity

Researchers have uncovered the intricate molecular mechanism used by parasitic phytoplasma bacteria to manipulate plants. The discovery sheds light on a peculiar phenomenon in nature, where plants exhibit 'zombie-like' effects due to bacterial infection.

SourceJohn Innes Centre·JournalProceedings of the National Academy of Sciences·TypeExperimental study·DateDec 5, 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.

Photoswitchable bactericide

Researchers have developed a photoswitchable bactericide that can target either Gram-positive or Gram-negative bacteria using a light-driven 'switch'. The nanomaterial was shown to be effective in healing MRSA-infected wounds in mice models, offering a potential new solution to combat antibiotic-resistant infections.

SourceWiley·JournalAngewandte Chemie International Edition·TypeExperimental study·DateDec 5, 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.

Forecasting forest health using models to predict tree canopy height

Researchers enhanced the Allometric Scaling and Resource Limitations (ASRL) model to predict tree canopy height in beech-maple-birch forests. The modified model factors in known growth limitations and local meteorological datasets, achieving more realistic predictions compared to previous versions.

SourceJournal of Remote Sensing·JournalJournal of Remote Sensing·TypeExperimental study·DateDec 5, 2023

Insights on the formation of polar ice clouds

Marine bacteria and atmospheric rivers play a crucial role in forming ice clouds at higher-than-expected temperatures over the Southern Ocean. The findings from this study provide key information for improving numerical models of ice cloud formation, which can help better predict climate conditions in vulnerable polar regions.

SourceResearch Organization of Information and Systems·JournalGeophysical Research Letters·TypeComputational simulation/modeling·DateDec 5, 2023

Building boom boosts malaria-carrying, invasive mosquito in Ethiopia, evidence shows

Anopheles stephensi, a malaria-carrying mosquito, has been found to exploit construction sites and brick-making facilities in Jigjiga, Ethiopia, during the dry season. Targeted control measures, such as stocking construction pits with larvae-eating fish, may help mitigate malarial outbreaks in the city.

SourceEmory University·JournalThe Lancet Planetary Health·TypeObservational study·DateDec 5, 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.

Three decades of data in Bangladesh show elevated risk of infant mortality In flood-prone areas

A new study estimates that living in flood-prone areas in Bangladesh is associated with an excess risk of infant mortality of 5.3 additional deaths per 1,000 births. The study found that children born during rainy months face a higher risk of death than those born in dry months.

SourceUniversity of California - San Diego·JournalProceedings of the National Academy of Sciences·TypeData/statistical analysis·DateDec 5, 2023

From excitement to disillusionment – new research identifies 4 emotional stages of professional careers

A new study identifies four distinct emotional stages in professional careers, from initial excitement and anticipation to pride and joy and finally disillusionment and disappointment. The research highlights the importance of considering emotions and coping skills in career progression.

SourceUniversity of Bath·JournalHuman Resource Management Journal·TypeObservational study·DateDec 5, 2023

Mice pass the mirror test, a classic indicator of self-recognition

Researchers found that mice require significant external sensory cues to recognize changes in their reflection and can detect visual differences, but not tactile ones. The study identified a subset of neurons involved in developing self-image, highlighting the neural mechanisms behind self-recognition in mice.

SourceCell Press·JournalNeuron·TypeExperimental study·DateDec 5, 2023

New study finds that male pathology drives avian epidemic dynamics

A new study by University of Arkansas researchers suggests that male-biased pathology makes male canaries more likely to transmit the avian bacterial pathogen Mycoplasma gallisepticum. The study found that male birds have shorter incubation periods, longer recovery periods, and higher pathogen loads than females.

SourceUniversity of Arkansas·JournalJournal of Animal Ecology·TypeExperimental study·DateDec 5, 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.

Cell-type-specific genetic risk contributes to distinct stages of Alzheimer’s disease progression

Researchers identified cell-type-specific genetic risk scores associated with distinct stages of Alzheimer's disease progression, including amyloid-β accumulation and tau tangle formation. Astrocyte-specific risk contributed to earlier stages, while microglia-specific risk played a role in later phases.

SourceBrigham and Women's Hospital·JournalNature Communications·TypeObservational study·DateDec 5, 2023