A recent study published in Nicotine & Tobacco Research found that female smokers experience more stress and craving after viewing cellphone-delivered stress-inducing images than male smokers. This suggests that improving quit outcomes in women may require gender-specific cessation strategies. Researchers hope to use the data from this...
A new study found that sleep deprivation can cause DNA damage in healthy individuals, increasing the risk for cancer, cardiovascular, metabolic, and neurodegenerative diseases. Even a single night of sleep deprivation can trigger events contributing to chronic disease development.
Monash researchers found that autophagy receptors are not the main trigger for cellular cleanup, but rather the membranes themselves recruit more receptors to speed up the process. This discovery may lead to new treatments targeting protein build-up linked to neurodegenerative diseases.
Researchers found evidence of a massive volcanic eruption on Scotland's Isle of Skye that contributed to the Paleocene-Eocene Thermal Maximum, a 5-8°C temperature increase around 56 million years ago. The study uses isotope geochemistry and pitchstone analysis to confirm the Red Hills as the likely vent area for the eruption.
A study published in Cognition found that children with ASD learn language at a continuous pace, influenced by cognitive abilities and parental input. The research highlights the active role children play in shaping their linguistic environment, leading to diverse language development outcomes.
A recent study found that insulin deprivation in mice resulted in decreased ATP production in brain regions critical for memory, similar to previous findings in skeletal muscle. Intranasal insulin treatment reversed this decline, suggesting insulin's role in maintaining brain mitochondrial function.
Scientists studying archaeal microorganisms discovered essential genes critical for their growth, which may hold clues to the origin of eukaryotic cells. The research also found that archaea have unique surface structures that provide protection, contradicting previous beliefs.
Researchers at MUSC sound the alarm about hydrocephalus associated with long-term spaceflight (HALS), a brain condition that affects astronauts during extended space missions. The study, published in JAMA Neurology, highlights the need for more research into HALS to understand its effects on the human brain and develop countermeasures.
The Morris Animal Foundation is funding nine research projects worth nearly $1 million to improve the health of cats and dogs suffering from deadly diseases. The studies will focus on cancer, chronic upper respiratory disease, and osteoarthritis.
Researchers at the University of Queensland found that 94 species of animals in Australia's forests and woodlands attack bird nests. The top five nest predators were the pied currawong, square-tailed kite, tiger snake, laughing kookaburra, and grey strike-thrush, attacking prey from 40% of measured species.
Cyanobacteria assemble intricate carboxysomes to concentrate carbon dioxide, improving RubisCO efficiency. Researchers discovered that CcmM binds to RubisCO enzymes in a non-traditional manner.
The protection of extraterrestrial life is not stipulated in international space research agreements. However, launching miniature interstellar probes poses a risk to habitable but sterile oxygen planets. Research suggests that these planets are unlikely to support life due to the corrosive effect of free oxygen.
Scientists use 3D printing to create articular cartilage and subchondral bone from mesenchymal stem cells. This technique shows promise in repairing osteochondral defects in mini-pigs' knees.
A study published in Life Science Alliance found that the enzyme D-amino acid oxidase (DAO) promotes cellular senescence and aging by producing reactive oxygen species. By inducing DNA double-strand breaks, researchers found increased expression of DAO is dependent on p53, a cancer-suppressing protein.
Researchers found that male pouched rats with longer anogenital distances prefer the scent of patent females, while those with shorter AGDs show no preference. This unique trait helps males distinguish viable from non-viable partners in a split second.
A new study finds that sleep deprivation increases tau levels in the brain, a key protein associated with neurodegeneration and Alzheimer's disease. The researchers suggest optimizing the sleep-wake cycle as a potential treatment target to prevent Alzheimer's.
Researchers mapped inputs to ventral tegmental area dopamine neurons and found highly similar inputs across different cell populations. The study suggests a more random connectivity logic where inputs connect semi-randomly in regions to which the neurons project.
Researchers found that LGB individuals are more likely to experience drug and alcohol use disorders, anxiety and depressive disorders, and cardiovascular disease. The study used time-varying effect modeling to analyze data from over 30,000 participants and found age-specific disparities in health outcomes.
Engineering researchers at the University of Toronto have developed a new platform called Biowire II that uses a rigorous training regimen to grow small amounts of cardiac tissue. The device measures how strongly it beats, allowing for testing of potential drug molecules and advancing personalized medicine.
Researchers challenged a popular idea about how machine learning algorithms think by applying information theory to classification problems. They found that classifiers with many layers do not necessarily trade off between prediction and compression as previously thought.
A team of scientists identified a novel antipredator defense mechanism in locusts, where an olfactory aposematic signal is converted into a hypertoxic chemical. The discovery revealed that phenylacetonitrile (PAN) serves as both a warning signal and a cyanide precursor to deter predators.
Scientists propose using high-tech coatings that can retain air for weeks to reduce drag and fuel consumption of ships. This technology has the potential to save up to 20% of fuel and reduce global CO2 emissions by almost one percent.
US preschool-aged children exhibit intersectional bias towards black boys, differing from positive responses to other groups. This early evidence highlights the importance of addressing bias in young children.
Researchers developed PopPUNK, a computational tool that analyzes tens of thousands of bacterial genomes in a single run, up to 200-fold faster than previous methods. This enables the efficient estimation of population structure and easy identification of emerging strains.
An investigational monoclonal antibody, mAb114, has been found to be safe and well-tolerated in an early-stage clinical trial involving adults. The treatment, which targets the Ebola virus's surface protein, demonstrated promising results, with all participants experiencing mild side effects.
Researchers at Columbia University have developed a new method to fine-tune adjacent layers of graphene using pressure to induce superconductivity. The discovery provides critical confirmation of previous findings and offers an alternative paradigm for manipulating electronic properties in graphene, potentially leading to the developme...
A study by Nir Grinberg and colleagues found that only a small fraction of Twitter users accounted for the vast majority of fake news exposures and shares. Most people, including liberals, got their political news from factual media outlets.
Researchers have developed a novel prototype to rapidly control plasma disruptions in fusion facilities. The 'electromagnetic particle injector' (EPI) device uses high-velocity projectiles to release material into the plasma, reducing its impact on the tokamak walls.
Researchers found that cancer cells switch to brute force and build a protrusion when MMP enzymes aren't available. This allows them to penetrate the basement membrane and invade other organs. The study identified a mitochondrial gene target that could be used to develop new treatments.
The study found that the largest sustained ice loss in Greenland came from summertime melting of the southwest region, which has few glaciers. The researchers linked this to a climate cycle called the North Atlantic Oscillation. As global warming continues, the southwest region will become a major contributor to sea level rise.
A new study reveals that polar marine predators have a metabolic advantage in cold temperatures, allowing them to thrive with greater species richness at the poles than in the tropics. This challenges the typical latitudinal gradient of increasing diversity towards the equator.
Researchers create self-healing, electrically conductive, and frost-resistant silicones by oxidizing organic compounds with molecular oxygen. The new method offers improved selectivity and mild conditions, enabling the production of functional organosilicon substrates.
A recent study published in the Journal of the American Society of Nephrology found that frailty is associated with cognitive decline in adults undergoing kidney transplantation. Cognitive function improved after transplantation but declined in frail recipients over several years.
A recent study from Arizona State University uses breath and hair analysis to understand metabolism and calories burned during exercise. The results show that people burn fat in the morning and switch to burning carbohydrates during moderate exercise, regardless of their diet.
A study of elderly residents in Olmsted County, Minnesota found nearly one-quarter were overprescribed antidepressant medications. Patients with multiple comorbidities and high clinical complexity were at highest risk.
Researchers at Kyoto University have designed a temperature-controllable copper-based material that can dynamically change pore sizes, allowing for improved gas separation and storage. The material can selectively adsorb gases based on temperature, opening channels to separate gases with different molecular sizes.
Simulating clouds over the Tibetan Plateau helps researchers understand the role of convective systems in disastrous Chinese weather events. The study reveals biased models with excessive water vapor lifting, leading to more high-level ice clouds and less middle-level cumulus cloud.
A new survey technique estimates that 1,857 people injected drugs in Cabell County, W.Va. in the last six months. The study provides valuable data to help tailor response strategies for rural communities battling the opioid epidemic.
Researchers at IIT created a soft robot mimicking plant tendrils that can curl and climb using osmosis. The robot's shape is adjustable, allowing it to adapt to its environment, with potential applications in wearable technologies and robotic arms.
Two studies, one in young adults and the other in mice, found that rocking during sleep leads to better sleep quality, faster falling asleep, and improved memory consolidation. The researchers discovered that rhythmic stimulation of the vestibular system plays a key role in this phenomenon.
The study found that the expression of anger in popular music increased gradually over seven decades, peaking in 2015. The expression of sadness, disgust, and fear also increased over time, with joy becoming a milder tone in recent years.
Researchers at the University of Exeter have developed a new technique to embed high-K dielectrics into van der Waals heterostructures, allowing for improved performance and added functionalities. This innovation paves the way for a new generation of flexible electronic components.
Researchers from UNIGE, HUG, and UNIL demonstrate that slow and repeated movement during sleep modulates brain wave activity, leading to improved deep sleep and memory consolidation. Rocking has been shown to synchronize brain waves and reinforce deep sleep, with benefits also observed in mice studies.
Researchers at ASRC developed self-assembling nanomaterials that produce singlet fission reactions to create more usable charges, increasing theoretical solar cell efficiency up to 44%. The new materials could shorten the time for creating commercially viable solar cells and prove more affordable than current fabrication methods.
Modern-day crocodiles and alligators originated from various ecosystems over time, including land, estuarine, freshwater, and marine environments. This challenges the long-held assumption of a simple evolutionary path from a land-based ancestor.
A Phase 3 study found that lumacaftor/ivacaftor is safe and effective in treating cystic fibrosis in children aged 2-5 years. The treatment combination shows promise in arresting disease progression and improving long-term outcomes, including improved pancreatic function.
Advances in weather forecasting have significantly improved accuracy, enabling reliable predictions up to 10 days in advance. This has enabled timely emergency preparations and evacuations for hazardous events like hurricanes and tornadoes, saving countless lives.
A two-dimensional heterostructure of black phosphorus and bismuth tungstate shows enhanced photocatalytic activity, splitting water and breaking down nitrogen monoxide more effectively than conventional materials. The addition of a platinum-based co-catalyst further boosts the process efficiency.
A new study published in the British Journal of Clinical Pharmacology finds that pharmacist-led follow-up calls can significantly reduce hospital readmission rates and improve patient outcomes. The intervention also had positive effects on healthcare costs, patient beliefs about medicines, and patient satisfaction.
Scientists confirm that birds carry both plants and their fungal partners, forming a symbiotic relationship that benefits both organisms. This discovery sheds light on the global distribution of mycorrhizal fungi.
Researchers from China's National GeneBank and BGI sequenced 761 plant specimens, representing 689 vascular plant species, to create the world's first digital botanical garden. The project triples the number of plant genomes with available data, providing insights into plant evolution and agricultural yield improvement.
Researchers at VIB-KU Leuven discovered a genetic mutation that can cause a juvenile form of inflammatory joint disease. The study used next-generation sequencing and immunology approaches to unravel the disease mechanism, providing insights into the development of targeted therapies.
Scientists have isolated a gene, miR-I35B, linked to both inflammation and gastric cancer. The study suggests that miR-135B plays a role in the development of gastric abnormalities and may help develop diagnostic tools for early detection.
Researchers have successfully constructed a three-dimensional human epidermis based on predictions made by their mathematical model of epidermal homeostasis. The epidermal equivalent exhibits excellent barrier functionality and thickness, providing a promising new tool for basic research and drug development.
A recent study found that the MELD score does not fully identify patients with life-threatening syndrome ACLF-3, which involves multiple organ-system failures. ACLF-3 patients have a higher risk of being removed from the waitlist or dying while waiting for a transplant.
Researchers found that patients who believed in their ability to overcome pain and continue with daily activities recovered faster than those who lacked this confidence. The study also showed that physiotherapy is effective for many people with shoulder pain, but not everyone.
Researchers have found a potential therapeutic pathway for Alzheimer's disease by targeting the regulation of critical cholesterol in neurons. Cholesteryl esters were identified as regulators of tau protein, which accumulates in abnormal aggregates that cause neuronal malfunction and death.
Research suggests that smaller snowstorms will decrease in number, but the most powerful nor'easters will remain frequent and crippling. The study's findings have significant implications for transportation, economy, and infrastructure along the Eastern Seaboard.
A new study published in PNAS reveals a causal link between dopamine and the reward responses in humans when listening to music. Researchers found that dopamine manipulation led to opposite effects on musical pleasure and motivation, with levodopa increasing hedonic experience and risperidone reducing both.
A team of researchers has identified a mechanism that contributes to the degeneration of axons in multiple sclerosis, leading to permanent neurological deficits. They found that minuscule ruptures in the cell membrane allow calcium ions to enter the neuron, disrupting its balance and ultimately killing it.