A recent court ruling in Ontario allows physicians to withhold CPR from patients they believe will not benefit from it, but emphasizes the importance of communicating concerns with families. The College of Physicians and Surgeons of Ontario has updated its end-of-life policy to reflect this change.
A new study assesses the lava flow risk on Mt. Etna's flanks, highlighting high-risk areas near populated regions and critical infrastructure. The researchers used a GIS-based approach to map hazard, exposure, and risk, revealing that effusive eruptions could harm people, properties, and services.
A study reveals that endangered monkey species in national parks make calculated decisions to balance risks and rewards of sharing space with humans. The research highlights the negative impact of human food consumption on their physical health and the need for sustainable conservation programmes to save declining species.
A study by Ohio State University sociologist Natasha Quadlin found that women tend to choose college majors with lower earning potential than men, even when both prioritize economic returns. Women often opt for majors in fields perceived as more open and available to them.
During diving, blue whales exhibit extreme bradycardia, with heart rates as low as 2 beats per minute. This contrasts with their normal resting heart rate of 15 beats per minute, highlighting the circulatory system's adaptability to accommodate deep dives.
Scientists at Case Western Reserve University have identified a critical role for the Cullin 3 gene in brain development, contributing to autism spectrum disorders (ASD) and schizophrenia. The discovery sheds light on the mechanisms underlying these complex conditions, potentially paving the way for new treatments.
Women's appearance enhancement is driven by status anxiety and income inequality, according to research. In economically unequal societies, participants chose more revealing outfits due to social status anxiety, using attractiveness as a strategy to climb the social hierarchy.
A new study by the University of British Columbia found that even low levels of air pollution increase the risk of deaths in Canada. The research suggests that millions of Canadians live in high-pollution areas, leading to a significant health burden.
A study suggests that immunity-related genes from ancient times may be protecting humans today against modern pollutants like cigarette smoke and diesel fumes. Researchers found that certain genes, such as AHR, have been beneficial in responding to airborne toxins for thousands of years.
Researchers found a 'kidney-shaped' brain region that processes and integrates visual information with other sensory inputs. This discovery sheds new light on how mantis shrimp make sense of their breathtaking visual input.
A study reconstructs the source of radioactive ruthenium detected over Europe in 2017, identifying the southern Ural Mountains in Russia and the Mayak Production Association facility as the likely source. The authors estimated that approximately 250 TBq of radioactivity was released, with most of it occurring on September 26, 2017.
Researchers identified key brain areas linked to limited sense of touch, including somatosensory cortex and prefrontal cortex. The study supports findings from previous research on body awareness and discovers new brain regions associated with touch perception.
The study reveals that the winner of the climate tug of war between CO2 fertilization and heat stress depends on the ratio between the two. If forests can acclimate, they can tolerate a lower ratio, but if not, it's above 89 parts per million CO2 per degree C of warming. Other factors like forest fires, insect infestation, and exceptio...
Researchers from Oklahoma State University and University of Nebraska-Lincoln have discovered that low-frequency sounds are emitted before tornado formation. These infrasound signals can be detected hours or even days in advance, providing potential warnings for severe weather events.
A recent study found that almost 60% of older men and women experienced sleep apnea during dream sleep, which is associated with adverse cardiovascular outcomes. Women were more likely to be undertreated for sleep apnea due to lower sensitivity to changes in ventilation and less airway collapsibility.
Researchers discovered that an orally administered liquid salt called Choline and Geranate (CAGE) can physically reduce fat absorption and slow down weight gain in rats. CAGE prevents fats from being absorbed into the bloodstream, leading to a significant reduction in body weight.
Researchers at Duke University have demonstrated a new type of broad-spectrum photodetector that can capture a multispectral image in a few trillionths of a second. The technology uses plasmonic nanocubes to trap specific frequencies of light, allowing for fast and efficient detection of different wavelengths.
A new study by Oregon State University has provided a comprehensive, cellular-level understanding of osteoarthritis, enabling better treatment options. The research uses a sophisticated scanning technique to view loaded joints in arthritic and healthy mice, revealing key features such as tissue mechanics and cellular activity.
Researchers have discovered a significant coupling between crystallization and liquid-liquid transition (LLT) in molecular liquids, leading to drastic enhancements of crystal formation. This finding has implications for understanding and controlling crystallization in various fields, including materials science and disease research.
Researchers at McMaster University have discovered a potent new antimicrobial that works against the toughest infectious disease strains, including MRSA. The compound, MAC-545496, cripples MRSA's ability to cause infection by diminishing its tolerance to the immune system and blocking its resistance to antibiotics.
Rats fed a high-fat diet showed 12% less body weight gain after ingesting an ionic liquid containing choline and geranate once daily for 30 days. The treatment also decreased food intake and intestinal fat uptake by 60-70%.
Molecular Systems Biology has appointed systems biologist M. Madan Babu as its new Chief Editor, strengthening the journal's position in the field of systems biology. The appointment aims to encourage interdisciplinary research and bridge silos between fields.
The introduction of electronic patient records in a Saudi Arabian hospital led to changes in the division of labor between physicians and nursing staff. As a result, staff had to improvise their actions to ensure continued patient safety, often requiring complex renegotiations to re-establish professional boundaries.
A new study using fMRI found significant differences in brain connectivity between infants exposed to opioids prenatally and those not exposed. The research suggests that prenatal opioid exposure may have lasting consequences on brain development and behavior.
Researchers have identified a genetic program controlling aging, which accumulates over time through stochastic physiological damage. This new understanding opens up possibilities for developing remedies to combat aging.
The study found that API-5 is overexpressed in chemoresistant TNBC, associated with increased micro-vessel density and enhanced cell survival. A peptide targeting API-5 shows promise as an innovative treatment option for this aggressive cancer type.
Scientists identify brain areas activated during frightening dreams, including the insula and cingulate cortex, which improve emotional regulation upon waking. They found a link between fear in dreams and emotions experienced once awake.
A study by Southern Methodist University geophysicists has found evidence of a leak in a West Texas wastewater disposal well between 2007 and 2011. The leak could have contaminated the Rustler Aquifer, used for irrigation and livestock but not drinking water.
Researchers have found a well-preserved Styracosaurus skull with asymmetrical horns, challenging traditional identification methods. The discovery reveals morphological variability in dinosaur skulls, leading to reevaluation of previously assumed species.
Researchers at Radboud University have successfully measured the absorption spectrum of C60H+, a carbon molecule with an extra proton. This finding suggests that C60H+ is probably the most abundant form of carbon in interstellar clouds, which could provide insights into the formation of planets and our own solar system.
A study analyzing carbonate minerals in Soreq Cave, Israel, suggests the summer monsoon periodically impacted the region during the last interglacial period. The findings coincide with archaeological evidence of human migration out of Africa, implying paleoclimate may have influenced early human movement.
A new study found that as ocean warming increases, cold-water species are replaced by warm-water species in marine communities. This shift is driven by species' thermal affinities and can be predicted based on regional temperature changes.
Scientists at the University of California, Berkeley have found evidence that light-sensitive cells in the developing retina are networked and play a more significant role in brain development than previously thought. The discovery suggests that these cells may enhance the influence of light on behavior and brain development.
A study analyzing data from four types of mouse Alzheimer's models found consistent changes in cell number and gene expression throughout the disease stages. The research provides new targets for intervention and therapy, highlighting the immune system's involvement in early stages of Alzheimer's.
A new $50 million center aims to accelerate the development of transformative therapies by shortening the path between research and clinical application. The center will provide preferred access to manufacturing facilities, shared innovation spaces, and workforce development opportunities.
Florida Atlantic University has received a $1.68 million grant from the Florida Division of Emergency Management to develop a framework for managing flood risks across the state. The project aims to help communities guide future mitigation projects and assist local communities in moving up in the Community Rating System.
Researchers exposed chicken embryos to pollutants in crumb rubber, leading to mass loss and developmental issues, as well as gene dysregulation. The findings suggest a need to reassess the potential toxicity of crumb rubber used in playgrounds and athletic fields.
Research in mice found that environmental enrichment can partially correct mis-mapped neurons in the visual pathway, leading to vision issues in adulthood. Mice raised in enriched environments showed less mapping errors than those in standard cages.
A study analyzed nearly 3,900 children's screen time use and its association with parental education levels and child sex. The findings highlight the importance of considering sociodemographic characteristics when examining screen time patterns.
MAIT cells play a key role in group A streptococcal toxic shock, producing large amounts of cytokines that cause over-reaction. The discovery has potential implications for diagnosis and treatment of life-threatening conditions.
Rates of cardiac events such as heart failure and myocardial infarction decreased up to 60% among First Nations people with diabetes in Ontario. However, hospitalizations and deaths remained more frequent compared to non-First Nations individuals.
Despite increased use of mechanized harvesting, aerosol and ozone particle concentrations remain unchanged since the prohibition of burning sugarcane in 2002. The researcher suggests that greenhouse gas emissions and particulate matter come from other sources.
Researchers analyzed tweets from 1,239 Republicans and Democrats to find no evidence that Russian trolls significantly influenced ideology or attitudes. The study suggests IRA accounts may not have polarized the US public due to interacting with highly polarized individuals.
Researchers at Martin-Luther-Universität Halle-Wittenberg have developed biodegradable rods containing an antibiotic to treat periodontal disease, reducing side effects and inflammation. The innovative treatment uses a combination of minocycline and magnesium stearate, releasing the antibiotic slowly and locally in the mouth.
Researchers found that normal gut bacteria boost norovirus severity in the lower small intestine but block it in the upper small intestine. The study suggests manipulating the gut environment through bile acids or microbiome could stimulate the immune system to shut down norovirus infection.
Researchers have developed coated seeds that can grow in salty soils by providing a protective coating and fertilizer-generating microbes. These seeds showed improved health and growth compared to untreated seeds in unproductive soil fields.
Researchers at the University of Toronto have discovered the brain cells responsible for nicotine aversion in mice, paving the way for new treatments to help smokers quit. The study found that dopamine neurons signal reward and GABA neurons signal aversion in the ventral tegmental area.
A research team identified that several types of highly aggressive pediatric brain tumors originate from stalled development of progenitor cells in the pons and forebrain. The findings represent a significant advance in understanding these diseases, which are the leading cause of cancer-related deaths in children.
A global health viewpoint emphasizes the need for accurate data to measure progress toward the United Nations Sustainable Development Goals. The lack of data in low- and middle-income countries, combined with inconsistent international standards, is hindering efforts to track progress.
Researchers discovered that lower dissolved oxygen levels trigger a shift in the marine nitrogen cycle, with ammonium replacing nitrate as the main fixed nitrogen component. This change indicates a significant biogeochemical vulnerability to ocean deoxygenation, potentially affecting nutrient availability.
A new UCL-led study found that living in a more polluted area is associated with a greater likelihood of having glaucoma, a debilitating eye condition that can cause blindness. People in areas with high levels of fine particulate matter pollution were 6% more likely to report having glaucoma than those in less-polluted areas.
New technologies have successfully established zeolite nanoparticle production methods, enabling size control and mass production. The 'bead-milling and recrystallizing method' produces nanoparticles < 100nm, while the 'particle growth method' generates larger particles from 150-300nm.
A Monash University study has made key discoveries into the role of gene expression in individual cell types of the brain, contributing to Alzheimer's disease. The research highlights the importance of understanding non-neuronal cells in treating this devastating condition.
A University of Houston research team is exploring the connection between macular degeneration and retinitis pigmentosa by studying the protein peripherin2. By modulating ROM1 levels, they found a way to convert severe macular degeneration phenotypes into less severe retinitis pigmentosa phenotypes.
Researchers have made breakthrough in recreating nature's efficient machinery for generating hydrogen gas using biological enzymes. The study focuses on iron-iron hydrogenase enzyme, which is faster and more efficient than current industrial process.
A team of researchers at Osaka University created a novel two-dimensional graphical tactile display that combines visual and tactile information. The display uses temperature-sensitive adhesive sheets to create a 'sticky' sensation, allowing users to feel objects on the screen.
The University of Konstanz's Collaborative Research Centre 969 will continue its research in cellular proteostasis with a new funding period starting January 2020. The centre will focus on studying complex processes and networks of proteostasis, developing new techniques to make these processes visible and controllable.
A new study published in Nature Microbiology has discovered that epigenetic chemical modifications play a crucial role in the survival and spread of C. difficile bacteria. The research found that inhibiting these modifications can reduce bacterial populations by up to 100 times, paving the way for potential treatments for this deadly i...
A pro-meat campaign on social media may have swayed undecided Twitter users towards the #yes2meat movement, surpassing balanced communications by six times. The study, published in The Lancet, analyzed 8.5 million tweets and found that critics of the planetary health diet reached 26 million people, despite having fewer followers.
Children's daily screen time increased significantly from age 12 months to 3 years, with an average of 150 minutes per day at 3 years. Higher levels of parental education and being born to first-time mothers were associated with higher screen time.