Researchers at Sanford Burnham Prebys found that blocking macropinocytosis in the thick tissue surrounding a pancreatic tumor slows tumor growth. The study suggests that macropinocytosis is an important driver of pancreatic cancer growth and provides a potential therapeutic target.
An international team of scientists has generated a model of a human embryo from skin cells, called iBlastoids, which can be used to study the biology of early human embryos in the laboratory. The breakthrough allows for extensive study into causes of very early miscarriage and effects of toxins and drugs on early development.
A study found that COVID-19 mobility data used to inform public health responses can disproportionately harm older and minority groups. The researchers assessed the validity of SafeGraph data, which contains information from approximately 47 million mobile devices in the US, but lacked demographic information such as age and race.
A new study from the University of Pennsylvania School of Nursing found that hospitals with better nurse work environments have lower odds of 7-day and 30-day readmissions and shorter lengths of stay for ischemic stroke patients. This suggests that a positive work environment can lead to improved post-stroke care outcomes.
A new study reveals how socioeconomic factors contribute to the increased odds of testing positive for SARS-CoV-2 among Black and Hispanic Americans. The researchers found that median income was the largest proportion of COVID-19 positive tests, with population density and household size also playing a role.
A recent study published in Bioelectricity found that electromagnetic fields can hinder the spread of breast cancer cells, slowing their metabolism and potentially stopping them from moving. Researchers believe this approach may be useful in fighting highly metastatic cancers.
A new technique developed by McGill University scientists can detect ultra-trace quantities of plastics in various environmental samples, including snow, water, and soil. The technique allows for more accurate analysis of micro- and nano-plastics, shedding light on the widespread impact of plastic pollution on human health.
New research from Swansea University found that warmer temperatures help invasive species establish themselves and alter ecosystem structures. The study analyzed the synergistic effects of temperature and invasions on communities, revealing that temperature and invasion act together to increase species loss and create smaller networks.
Researchers at Osaka City University have developed a new quantum algorithm, BxB, which calculates energy differences directly to predict electronic states of atoms and molecules with chemical precision. The algorithm achieves this with half the number of qubits required by the existing Quantum Phase Estimation (QPE) method.
Researchers found nearly two-thirds of wells have water levels below nearest stream, indicating rivers are leaking into aquifers. The phenomenon, exacerbated by human activity, may worsen in decades, with some rivers potentially disappearing, impacting downstream communities and ecosystems.
Researchers have developed a graphical model to identify cells in the brain, overcoming a major neuroscience bottleneck. The approach uses relationships among cells to define their identity and outperforms traditional methods in identifying cells, especially with imperfect data.
A new study published in Neurology suggests that health problems like high blood pressure and obesity in one's 20s can lead to cognitive decline decades later. Researchers analyzed data from over 15,000 participants and found that cardiovascular risk factors were strongly associated with thinking skills decline.
A study of over 14,000 U.S. young adults found that adverse childhood experiences, such as physical and sexual abuse, predict greater performance-enhancing substance use. The likelihood of using anabolic-androgenic steroids increased nine times among men and six times among women who experienced sexual abuse.
Scientists review advances in CO2 electrochemical transformation using ILs, focusing on CO2 reduction and organic transformation. They highlight the potential of ILs to improve selectivity and efficiency, enabling the production of value-added chemicals.
Scientists have observed the collective movement of nanorobots in living mice, mirroring patterns found in nature. The nanorobots, powered by urease, induce fluid flows and display homogeneous distribution within the bladder.
A recent study has unveiled a novel membrane-free CO2 battery that can produce hydrogen and electricity while sequestering carbon dioxide emissions. The new battery exhibits high faradaic efficiency of 92.0% and offers significant benefits for sustainable human life.
Serious vision impairment declined by 26% among those aged 85 and older, while Black and Hispanic Americans showed greater reductions. The decline was attributed to the implementation of the Affordable Care Act and advances in medical interventions for vision problems.
A four-year federal grant of over $2 million is being awarded to Dr. Andrew Gewirtz at Georgia State University to investigate the role of inflammation and altered gut microbiota in the development of metabolic syndrome.
Researchers at Cornell University have created a micron-sized self-folding origami bird using shape memory actuators. The device can fold itself into 3D configurations within 100 milliseconds and holds its shape even after the voltage is removed.
Researchers at Leipzig University have developed a new model that enables precise determination of the features in complex pore networks, revealing potential applications in drug release, sensor technology and energy storage.
Scientists analyzed ancient lake sediment in the Arctic Ocean and found evidence of a shrub native to northern Canadian ecosystems that was once widespread. The findings may provide insight into the potential future of the Arctic's vegetation as it warms due to climate change, with implications for thawing permafrost and sea level rise.
Researchers found that artificial light at night reduces diurnal insect visits to plants that were illuminated during the nighttime. Beetles increased their visits instead. The study's findings highlight the indirect ecological effects of light pollution and call for further research to mitigate its impact.
Researchers studying an iron-based high-temperature superconductor discovered that an energy band gap opens at the intersection of two allowed energy bands on the material's surface. This unexpected electronic behavior could lead to breakthroughs in quantum computing and dissipationless electronic devices.
A genetic defect has been identified as a key factor in the development of MacTel, an eye disease that can lead to vision loss and blindness. The discovery provides new insights into the condition and may enable clinicians to better diagnose and treat it.
A Concordia University study found that people who enjoy reading fiction for leisure score higher on language tests than those who read to access specific information. The researchers suggest emphasizing the fun aspect of reading can draw young adults back to novels and boost their verbal abilities.
Researchers at Michigan State University are exploring the impact of climate change on plants' efficiency, focusing on photorespiration, a process that reduces plant productivity. By understanding this phenomenon better, they hope to develop new breeding techniques and improve crop yields.
A new grant will enable researcher Neil Box to conduct further follow-up work with a longitudinal study of mole development in kids, aiming to determine the effects of early sun exposure. The study aims to develop more sophisticated measures of sun damage and explore its relationship with melanoma risk.
New research from the University of Bath found that females who are physically fitter burn fat more efficiently when exercising compared to males. The study analyzed factors influencing body fat burning during endurance sports and explored molecular mechanisms behind sex differences in fuel use.
Researchers studied the structural basis of G614 virus spread, revealing a loop that stabilizes the spike protein and prevents premature dissociation. This increased stability results in more functional spikes, leading to enhanced infectivity.
A team of astronomers used a natural cosmic lens to magnify the light from a distant radio galaxy, detected for the first time using the VLA. The discovery provides valuable insights into star formation in low-mass galaxies at early universe ages.
Researchers at Cleveland Clinic Florida have identified a novel mechanism that leads to MDA5 activation during virus infection, and found that inhibiting the PLpro enzyme may help strengthen the human immune response against SARS-CoV-2. This could potentially lead to new anti-COVID-19 therapeutics targeting the PLpro enzyme.
Urban scaling laws, observed in cities worldwide, can be explained by the spatial geometry of a city. Researchers mapped building heights and assigned dots to people living in buildings to determine fractal dimensions, revealing a constant sublinear scaling exponent that determines city growth rates.
Researchers found that people searching for objects in 3D image stacks are less successful than those searching for the same in single 2D images. This is due to a bottleneck in human vision and cognition, where humans under-explore 3D search areas and rely on peripheral visual processing.
Researchers successfully demonstrated a new methodology for direct near-field optical imaging of acoustic graphene plasmon fields. This strategy will provide a breakthrough for the practical applications of acoustic graphene plasmon platforms in next-generation optoelectronic devices.
Researchers have developed a device that can deliver electrical signals to and from plants, enabling the creation of plant-based technological systems. The device can detect and transmit electrical signals to monitor crop health and stimulate plants to perform tasks, such as closing leaves or picking up objects.
UNIST-based student startups have garnered international recognition for their groundbreaking achievements in the smart healthcare sector and online education. The companies have won significant awards, including KRW 150 million in prize money, and have attracted substantial investments, generating over 71.4 billion KRW in revenues.
A new study published in Polar Biology found that Arctic foxes adapt to changing food sources due to climate change, relying on larger prey during rodent 'bust' years. The research provides insights into the feeding ecology of Arctic foxes and potential impacts of changes in food abundance across space and time.
A Swansea University research project aims to assess the evidence on shielding vulnerable people from COVID-19. The study will examine how shielding affected deaths, hospital admissions, and quality-of-life in Wales.
Researchers are developing an ocular drug delivery system based on RNA nanotechnology to deliver therapeutics into the eye without requiring eye injections. This method aims to create a reservoir for medications to treat diseases over time, reducing adverse effects and increasing treatment efficiency.
Chemical engineers at the University of Pittsburgh create self-oscillating flexible materials that display swarmalator behavior, coordinating spatial movement and temporal oscillations. These materials can pave the way for fabricating collaborative soft robotic systems.
Researchers suggest that worlds with interior water ocean worlds (IWOWs) are more habitable due to protection by layers of ice and rock, shielding life against threats. This concept expands the search for life beyond Earth-like planets.
Researchers are developing personalized, democratized technological solutions to transform vision rehabilitation for children and adults. Digital haptics and sound technology are being integrated to enable the visually impaired to learn about new objects and spaces instantly.
Genicular artery embolization (GAE) significantly reduces inflammation, improving quality of life for people with moderate to severe knee pain. The procedure provides long-term, safe pain relief, with benefits seen as early as three days post-treatment and lasting up to one year.
Researchers found that traditional cardiovascular disease risk factors and elevated natriuretic peptide levels were associated with increased cancer risk. In contrast, participants with ideal cardiovascular health had a lower risk of future cancers.
The USDA Forest Service has established a new urban long-term ecological research site in Minneapolis and Saint Paul, focusing on the dynamics of urban nature and social systems. The project aims to improve environmental outcomes for all city residents, addressing disparities in access to urban benefits.
BIDMC researchers developed a Business Risk Index based on anonymized cell-phone data to quantify potential COVID-19 transmission risk in establishments. The index accounted for foot traffic density and visit length, providing a more precise description of human interactions and risk.
Researchers found that counter-point bars can form in meandering rivers due to short, high curvature bends. These bends often occur when the river's course is abruptly changed, such as through the formation of an oxbow lake or reconnecting with a downstream portion.
Aging leads to hair follicles adopting atypical senescent type of asymmetric cell division, resulting in the generation of aberrantly differentiating cells. This disruption causes stem cell exhaustion and loss, ultimately leading to hair thinning and hair loss.
Scientists have successfully grown miniature human tear glands in a lab, allowing them to study how cells produce tears and what goes wrong. The model has promise for identifying new treatments for patients with tear gland disorders, such as dry eye disease.
Researchers developed an antiferromagnetic semiconductor in a nanowire, overcoming ferromagnetic material limitations. This design enables ultrahigh-density data packing and potential applications in smaller, smarter electronics.
A novel technique using artificial intelligence can distinguish between healthy and cancerous cells by analyzing their pH level. This method allows for fast and accurate cancer diagnosis, with single-cell classification accuracy rates of over 95%.
Researchers have made a breakthrough in developing passive quantum error correction, which could enable the creation of fault-tolerant quantum computers. The technology has the potential to revolutionize various fields, including artificial intelligence, materials science, and biochemical engineering.
Researchers from Eindhoven University of Technology used a high-speed camera and 2176 microphones to measure the precise origin of the hummingbird's sound. The team found that the wing's pressure difference generates the hum, which is essential for lift-off and hovering.
The research findings reveal that a novel microbial small molecule from Streptococcus mutans promotes biofilm formation via an unprecedented physicochemical mechanism. This discovery highlights the significance of secondary metabolism in mediating critical processes related to dental caries development.
A new study suggests that lightning strikes provided sparks of life for early Earth, unlocking phosphorus to create biomolecules. The researchers estimated that 0.1 to 1 quintillion lightning strikes occurred over a billion years, providing usable phosphorus.
A new study by University of Arizona researcher Mary-Frances O'Connor found that people with persistent sleep challenges before losing someone are at higher risk for developing complicated grief. Complicated grief is characterized by an intense and persistent yearning for the lost loved one, disrupting daily functioning.
Even moderate amounts of sugar increase fat synthesis in the liver, leading to a longer period of overactive fat production. Fructose and sucrose are found to have particularly detrimental effects, doubling fat production beyond food intake.
Researchers have found spontaneous electrical currents in Sr2RuO4, a rare form of superconductivity that can't be switched off. The study used muon implantation to detect these currents, which appear when the material becomes superconducting.
A study from Karolinska Institutet in Sweden analyzed the results of whole genome sequencing for over 3,200 patients with rare diseases, resulting in molecular diagnoses for 1,287 patients. The researchers found pathogenic mutations in over 750 genes and discovered 17 novel disease genes.
A study by researchers from the Universities of Göttingen and Groningen found that companies' investors significantly impact the uniqueness of their chosen strategies. Dedicated investors, such as pension funds, can resolve the 'uniqueness paradox' by recognizing the value of unique strategies for long-term corporate development.