Weizmann Institute researchers discovered a biomarker that may enable personalized drug treatment for lung cancer patients carrying the L858R mutation. This biomarker could lead to relapse-free treatment by predicting which patients will respond well to therapy according to their specific mutations.
The study examines statutory regulation and government reimbursement of traditional and complementary medicine practitioners in the US. It finds a mixed picture of laws and policies governing these practices, with significant variations across states.
Researchers develop low-cost 3D nanoprinting system with nanometer-level accuracy for printing microlenses, metamaterials, and micro-optical devices. The system uses a two-step absorption process and integrated fiber-coupled laser diode, making it accessible to scientists beyond optical experts.
Researchers demonstrate the potential of optical imaging for safely measuring vocal fold elasticity and pliability. The study found good agreement between Brillouin microspectroscopy results and conventional elasticity measurements.
Researchers used machine learning algorithms to analyze ChatGPT-generated and human-written Japanese texts, finding that the AI's style could be distinguished with high accuracy. The study suggests a new method for detecting AI-generated content in academic papers written in Japanese.
Researchers at the University of Jyväskylä have shown that sound waves can tunnel through vacuum gaps in certain situations, particularly with piezoelectric materials. The phenomenon has potential applications in microelectromechanical components and heat control.
Scientists have created ultra-thin layers of human cells in tube-like structures using the RIFLE technique, enabling the development of lifelike tissue models. This innovation has significant implications for drug development and disease research, offering a more accurate alternative to animal models.
A literature review found that several commonly used natural gas odorants may induce a range of adverse health symptoms at very low concentrations. The review's findings suggest that these odorants could pose health risks at much lower exposure levels than previously suspected.
Researchers found that nematode worm larvae can leap through the air and attach themselves to passing insects when exposed to certain electric fields. They observed dauer larvae consistently moving towards the lid of a petri dish, some reaching it in a fraction of a second.
A new tool called PRESTO identifies patients with psoriasis at high risk of developing psoriatic arthritis. The tool uses a mathematical model to estimate a patient's risk based on factors such as age, sex, family history, and disease severity.
Researchers developed an eco-friendly thermoplastic polyurethane using biomass-based polyester polyols and butane diols, boasting exceptional properties. The resulting material exhibits a remarkable biocarbon content of up to 97% and comparable mechanical properties to petroleum-based alternatives.
The study of bacterial circadian clocks has revealed complex mechanisms reminiscent of those in more complex organisms. Researchers observed that the widespread soil bacterium Bacillus subtilis has a pervasive circadian clock regulating multiple genes and behaviors, with specific responses to light intensity and wavelengths.
LSU Health researchers found combining an investigational oral drug with standard-of-care medications reverts hormone resistance and increases effectiveness in experimental models of ER+ and TNBC. The study's findings suggest a new approach for treating treatment-resistant breast cancers.
A study by Children's Hospital of Philadelphia found that COVID-19 affects mitochondrial function in multiple organs beyond the lungs, leading to long-term damage. Mitochondrial gene expression was suppressed in the heart, kidneys, and liver, while recovering in the lungs.
Researchers from Osaka University have shed light on how certain proteins contribute to the formation of piRNAs, a type of RNA that protects the genome. Tejas plays a key role in recruiting Vas and Spn-E, facilitating nuage formation and piRNA processing.
Researchers at Brigham and Women's Hospital have designed a probiotic to suppress autoimmunity in the brain, which is at the core of several diseases including MS. The treatment offers a more precise way to target brain inflammation with reduced negative side effects compared to standard therapies.
Coral reefs benefit from reduced land-sea impacts under ocean warming, with pollutants and over-fishing putting immense stress on ecosystems. Human-caused threats were most clearly demonstrated in 2015's record-breaking marine heatwave, which showed coral cover remained unchanged despite extreme heat stress.
Scientists used distributed acoustic sensing (DAS) on a 37.4-kilometer-long fiber optic cable to track sea ice formation and retreat with fine spatiotemporal detail, revealing rapid changes up to 10 kilometers in less than a day. The technique offers improved resolution compared to satellite images.
For the past 66 million years, Earth's climate has been dominated by two significant climate events that marked distinct eras. The analysis reveals a hierarchy of abrupt transitions in climate evolution during the Cenozoic era.
A recent study by Esther Blanco found that landowners in Colombia continued to protect their ecosystems even after receiving payments for ecosystem services ended. This challenges the concern that monetary incentives can displace original motivations for environmental protection, known as the 'crowding out effect'.
New research suggests that early Mars experienced high-frequency wet-dry cycling in the Gale Crater, pointing to possible seasonal weather patterns or flash floods. The findings could mean that Mars once had an Earth-like wet climate and may have supported life at some point.
Researchers have found that human milk oligosaccharides can stop common prenatal infections in human tissues and pregnant mice, potentially preventing preterm births. The sugars were tested against Group B streptococcus infection, reducing inflammation and bacterial numbers without the need for antibiotics.
A new tree forensics project, Gigante, aims to investigate the deaths of large tropical trees using drone surveys and on-the-ground observations. The team expects to identify the causes of death for up to 10,000 trees over three years, shedding light on the impact of climate change on forest ecosystems.
Researchers used phage PASA16 to treat tough Pseudomonas aeruginosa infections, achieving an impressive 86.6% success rate. The study demonstrated the potential effectiveness of phage therapy as a valuable alternative to conventional antibiotics in combating antibiotic-resistant pathogens.
At one Antarctic research station, contaminant levels have persisted for 18 years, exceeding international guidelines. Historic practices at Casey station have polluted the local ecosystem, affecting marine environments.
A new antibiotic strategy has been found to defeat gram-negative bacteria like Salmonella and E. coli by interfering with the outer lipid layer of the bacteria. The compound, LPC-233, is a small molecule that works fast and is durable in animal tests, with potentially vital applications against stubborn urinary tract infections.
A survey study found that gender-affirming mastectomies result in low levels of decisional regret and high satisfaction among patients. This suggests that current validated instruments may not be suitable for assessing post-surgical outcomes.
A new study found consistent increases in premature cardiovascular disease (CVD) death and disability due to particulate matter air pollution globally. The analysis, published in the Journal of the American Heart Association, revealed a 8.1% rise in age-standardized CVD deaths attributed to outdoor PM pollution between 1990 and 2019.
A large study published in ERJ Open Research found that people with low levels of vitamin K in their blood are more likely to have poor lung function and experience respiratory issues. The research suggests that vitamin K may play a role in keeping lungs healthy, but further studies are needed to confirm this link.
A team of researchers analyzed lake sediment cores to reconstruct eastern China's climate, vegetation, and human activities over the past 5100 years. The study found significant ecological shifts and human impact on the landscape, including deforestation and reforestation.
Researchers at Beth Israel Deaconess Medical Center discovered a non-ectodermal and mesodermal origin for large numbers of enteric neurons born after birth. This finding overturns decades of scientific dogma and offers hope for disease-modifying cures to aging patients.
Researchers found that molnupiravir efficiently blocked SARS-CoV-2 transmission when administered at a human effect size-equivalent dose, but paxlovid did not. The study used ferret animal models and found that molnupiravir completely suppressed transmission at all tested doses.
Researchers from the University of Bonn have developed a new method to calculate global water distribution, combining satellite data with hydrological models. The study reveals that droughts are significantly more common across the world than previously thought, with localized droughts often missing from satellite data.
Scientists at NIFS have created a stable and strong High-Temperature Superconducting (HTS) large-current conductor, named STARS, that can be applied to fusion reactors. The new conductor overcomes challenges in twisting and transposing thin wires, achieving higher current densities than Low-Temperature Superconductors.
A new Northwestern Medicine study measures resilience in biomedical scientists during COVID-19, revealing that resiliency did not guarantee career advancement. The study found that women scientists faced greater household responsibilities and social pressure to advance their careers, leading to significant career setbacks.
A pilot study reveals microplastics in heart tissue samples from patients undergoing cardiac surgery, with evidence suggesting direct introduction during procedures. The findings suggest various microplastics can accumulate and persist in the heart's innermost tissues.
A recent study published in Neurology found an association between long-term use of proton pump inhibitors and a higher risk of dementia. Researchers followed 5,712 participants for a median duration of 5.5 years and discovered that those who took the drugs for more than 4.4 years had a 33% higher risk of developing dementia.
Research from Oregon State University's Marine Mammal Institute reveals that gray whales feeding off the Pacific Northwest coast are shorter than their counterparts in the Arctic. The females average 3 feet and males average 1.5 feet shorter, with slightly smaller skulls and flukes.
A study by Stanford University reveals that European public attitudes towards refugees have remained stable over time, with support for asylum seekers and preferences for certain traits increasing from 2016 to 2022. The research found that Ukrainians displaced by the Russian invasion were welcomed due to their demographic profile, but ...
A Kaiser Permanente study found that drinking alcohol after a breast cancer diagnosis does not impact a patient's prognosis. The research used data from over 4,500 women diagnosed with invasive breast cancer and tracked their lifestyle changes and outcomes over 11 years.
A team of researchers developed a one-of-a-kind spatial light modulator capable of ultra-fast, amplitude-only modulation without modifying the optical phase. The device uses chalcogenide phase change materials, achieving improvements that could be exploited in wavefront shaping experiments and communications.
A recent study from Drexel University's A.J. Drexel Autism Institute found that only 1.1% of working-age autistic adults are receiving employment services, with stark gaps between Medicaid and Vocational Rehabilitation programs. The research highlights a dire need for policy changes to improve employment services systems in the US.
Researchers have identified a protein called Hmga1 that may help prevent bone loss associated with postmenopausal osteoporosis. Increasing the expression of this protein in rats partially reversed bone loss in ovariectomized animals, suggesting its potential as a therapeutic target.
The rare moss Takakia has developed unique adaptations to survive frost, high UV radiation, and extreme altitudes. Climate change is altering its natural habitat, posing a threat to this ancient species.
A national survey found that few US adults recognize climate change has a disproportionate impact on socially and economically disadvantaged groups. Despite broad scientific consensus, many people believe climate change affects all groups equally or do not perceive its impacts at all.
Researchers from Weizmann Institute of Science discovered that a subcategory of brain cells responds to stress in a totally different manner in males and females. The findings could lead to better understanding of health conditions affected by chronic stress, such as anxiety and depression.
Yale researchers have created a functional humanized liver in living mice, enabling scientists to study human-specific mechanisms for regulating cholesterol levels and treating chronic liver diseases. The discovery uses progenitor stem cells and mature cells from a human liver to mimic the cellular functions of a healthy human liver.
A study published in PLOS ONE has discovered parasite eggs in a 200-million-year-old coprolite from Thailand, providing insight into the life of an ancient aquatic predator. The discovery is significant, as it is one of only a few known examples of nematode eggs preserved within the coprolites of Mesozoic animals.
The study found that the inclusion of superheroes in the course significantly increased student motivation, deepened their understanding of the material, and made it more approachable. Students reported that pop culture references expanded their knowledge and boosted their desire to perform well in the class.
A new tool helps evaluate pesticide toxicity at high resolution and suggests targeting a few pesticides in watersheds could significantly reduce aquatic toxicity in California. The Environmental Release Tool (ERT) quantifies pesticide applications and toxicity by watershed, covering hundreds of commodities.
Researchers found that occasional long-distance dispersal events between North and South Brazil allow red mangrove trees to exchange genetic material, maintaining their unique populations. Mangroves play a vital role in coastal ecology and carbon storage, making conservation efforts crucial.
Researchers have developed a sensitive and selective nerve gas sensor using human scent receptors. The device reliably detected dimethyl methylphosphonate (DMMP) in simulated tests, even at concentrations as low as 0.037 parts per billion.
Neuroscientists at Penn Medicine identified a brain mechanism that enables focus despite visual distractions. By analyzing neuron activity in animal models, they discovered 'beta bursts' in the lateral prefrontal cortex, which suppress distracting stimuli and direct attention towards tasks.
Researchers propose a novel theory of aging that suggests cell competition is a key factor in the process. The selective destruction theory (SDT) proposes a mechanism of aging that is independent of accumulating damage and consistent with epigenetic rejuvenation.
A joint research team from DGIST and Seoul National University developed an imaging platform to study the reaction intermediates in the degradation process of semiconductor nanocrystal quantum dots. They found that cadmium sulfide (CdS) decomposition forms amorphous intermediates, leading to surface structural degradation.
A team of investigators developed a novel technology to diagnose immunothrombosis, a major cause of morbidity among patients with sepsis or severe COVID-19. By measuring thrombin activity through breath gas, they can provide unprecedented knowledge of key enzymatic activity anywhere in the body.
Researchers at La Jolla Institute for Immunology have discovered the inner workings of Ebola virus replication inside host cells, revealing 'viral factories' that form clusters of viral proteins and genomes. These microscopic structures are formed in host cells and play a crucial role in the virus's life cycle.
A new imaging technique, tau PET, has been shown to predict cognitive decline in Alzheimer's patients with greater accuracy than current methods. This breakthrough could lead to earlier diagnosis and treatment, improving patient outcomes.
Researchers aim to create machine learning tools that can analyze and quantify shape information from images, enabling more accurate diagnoses and improving patient care. A new family of deep neural networks, called DSNNs, will be developed to tackle AI's blind spot in image analysis.
A team of researchers from the University of Cambridge developed a way to incorporate human error into machine learning systems, improving their performance in handling uncertain feedback. However, they found that even with uncertainty accounted for, hybrid systems still perform worse than standalone machine learning models.