Researchers at SDSU have developed wearable wristbands to track nicotine exposure in children, which were compared to traditional urine samples and found to be equivalent. The wristbands may become a useful tool for studying tobacco product exposure in both children and adults.
Scientists have created a novel tool that can both control and visualize serotonin receptor signals in neural cells using light. The tool, called Camello, uses fluorescent proteins to indicate activated signalling pathways and receptor trafficking in specific domains.
A study led by CSIC reveals that carbonaceous chondrites transported hydrated minerals and organic material from the protoplanetary disk to Earth, enriching its water supply. The findings provide valuable insights into the accretion phases of early planetary bodies and the origin of water on our planet.
The black-white cancer mortality gap has closed considerably over the past several decades, with faster declines among black Americans. The disparities have narrowed for lung, prostate, and colorectal cancers, and have stabilized since 2010 for breast cancer.
A new study found that kidney failure patients on dialysis and transplants have significantly higher risks of dying from cancer than the general population. Cancer deaths were mainly driven by cancers present prior to dialysis or arising after transplantation, particularly those related to immune deficiency and viral infection.
Researchers studied tool-related decision-making in orangutans and found they carefully considered factors like tool functionality and food quality. The apes chose the tool when it worked with the apparatus, but prioritized immediate food rewards if the tool was non-functional.
Scientists sequenced DNA from nearly 200 rabbits spanning 150 years and found that modern rabbits in Australia, the UK, and France have acquired resistance to myxomatosis through cumulative genetic changes. The team also discovered that this resistance relies on multiple mutations of different genes.
Researchers from UCL and Flatiron Institute develop technique to calculate gravitational wave data, enabling accurate measurement of Hubble constant. By observing 50 binary neutron stars over the next decade, scientists can resolve the long-standing debate on the universe's expansion rate.
Researchers conducted an extensive comparison of all drugs used in neuroendocrine tumor treatment, guiding physicians through available options. Combination therapies showed high efficacy, but were often underrepresented in international guidelines.
Researchers found that longer-lived sperm in a male's ejaculate produce offspring with longer and healthier lifespans. This study has important implications for evolutionary biology and assisted fertilization technologies, such as IVF in humans.
A new study published in the Journal of Clinical Sleep Medicine found that self-reported sleep parameters reported by children and their parents are relatively accurate compared to objective measures. Children overestimated their sleep duration by a median of 32 minutes, while parents overestimated it by 36 minutes.
A high-protein, low-calorie diet has been shown to help older adults with obesity lose more weight while maintaining muscle mass and improving bone quality. Participants lost about 18 pounds, mostly fat, without losing bone density.
Researchers at Max Delbrück Center found that B1-typical B-cell receptor can reprogram B2 cells into B1 cells, suggesting a new origin for B1 cells. This discovery provides clear evidence for the validity of the second hypothesis on the origin of B cells.
Researchers developed a near-weightless material with exceptional structural stability and superinsulation, capable of withstanding extreme temperatures. The unique ceramic aerogel features unusual double-negative-index properties, demonstrating robustness against high-temperature exposure and rapid temperature swings.
A new study finds that 28% of endangered species are unprotected by CITES, with 62% needing up to 24 years for protection. Experts recommend speeding up the policymaking process to prevent extinction.
A large study of genetic data suggests that statins could prevent the onset of motor neurone disease, as higher levels of LDL cholesterol were causally linked with a greater risk. The condition affects up to 5,000 adults in the UK and is projected to nearly double by 2040 due to ageing of the global population.
Research published in the Journal of Investigative Medicine found that US older women are three times more likely to receive treatment for osteoporosis than men of similar age. Men aged 80+ were particularly under-screened and undertreated, with only 10-13% having a bone density scan and fewer than 1 in 10 treated with bisphosphonates.
Researchers at Baylor College of Medicine have made a groundbreaking finding that enables the reprogramming of adult cardiomyocytes to promote heart tissue regeneration. By manipulating the genetic mechanisms that prevent cardiomyocyte proliferation, scientists have successfully opened up possibilities for treating heart disease.
Researchers found that nearly one-third of persons with schizophrenia had 'normal' wisdom scores, which correlated with fewer psychotic symptoms, improved cognitive performance, and enhanced everyday functioning. Assessing and enhancing wisdom may help improve the quality of life for individuals with schizophrenia.
The EarthScope National Office has compiled a list of the program's top 10 discoveries, showcasing revolutionary findings in North America's structure and evolution. These breakthroughs include insights into earthquakes, volcanoes, and groundwater, highlighting the continent's dynamic geological history.
A new species of Aloe, Aloe sanguinalis, has been discovered in Somaliland with distinctive bright red sap and large clump formations. The discovery was made possible by Ahmed Awale's sighting of the plant while driving through the country.
MIT researchers develop a two-dimensional, sub-terahertz receiving array on a chip that's orders of magnitude more sensitive than existing sensors. This can help steer driverless cars through fog and dust by detecting signals at sub-terahertz wavelengths with ease.
The HOPE in Action Multicenter Liver Study is evaluating the safety and efficacy of transplanting livers from HIV-positive donors to HIV-positive recipients. Researchers will monitor participants for signs of organ rejection, failure, and HIV-related complications, as well as track their psychological and social responses.
Researchers at Berkeley Lab have revealed the structure of the NADH dehydrogenase-like complex (NDH), a crucial protein in photosynthesis. This breakthrough will allow scientists to explore how the complex functions and could lead to improvements in sustainable bioproducts, including plastic alternatives and biofuels.
New research shows that brain synchronization depends on linguistic context, with different areas aligning in native versus foreign languages. This discovery opens up possibilities for quantifying verbal communication through online tools like Skype.
Researchers are studying animal venoms to identify molecular targets for diseases such as osteoarthritis, rheumatoid arthritis, cancer, and neurodegenerative diseases. The study found promising antitumoral effects and potential new compounds that can be used as medicines.
A handheld biosensor has been developed to quickly and accurately detect cryptosporidium contamination in water samples, providing immediate results. The technology has real potential for use in medical and environmental applications.
A USC study found that e-cig users develop abnormal gene expression linked to cancer development in oral tissue, similar to those seen in cigarette smokers. The research suggests that e-cigs may not be as benign as previously believed.
Researchers outline four types of self-control strategies that go beyond sheer willpower to address pressing issues like obesity and educational underachievement. By changing the situation or thinking about it differently, individuals can exercise more effective self-control.
A new study suggests that impaired mitophagy, the process of removing defective mitochondria from brain cells, is a key contributor to Alzheimer's disease. By boosting mitophagy, researchers were able to slow down the accumulation of toxic proteins and reverse cognitive deficits in animal models.
Researchers found rough topography on the 660-km boundary, rivaling the Rocky Mountains and Appalachians, using data from a massive Bolivian earthquake. This discovery has significant implications for understanding the Earth's formation and function.
A University of Guelph DNA barcoding study found 14% of Canadian sausage samples contained mislabeled meat species, a decrease from the initial 20% rate. The study's findings suggest that scientific innovation, such as DNA barcoding, plays a crucial role in protecting Canada's food supply.
A study of 81,714 postmenopausal women found that drinking multiple diet drinks daily was associated with a higher risk of stroke, especially small artery strokes. The research highlights the potential health risks of artificially sweetened beverages and recommends limiting their use.
Researchers have discovered a biological pathway leading to age-related cognitive decline and found clues to reverse the aging process. Disruptions in the blood-brain barrier allow proteins to leak into the brain, causing havoc and contributing to cognitive decline.
A Dartmouth College study reveals a complex relationship between climate change, wetland loss, and mercury pollution in marine food webs. Higher levels of mercury are associated with higher organic carbon in coastal waters, leading to increased methylmercury levels in estuarine fish.
A large European study found that small lung spots in rhabdomyosarcoma patients do not affect survival prospects or require aggressive treatment, unlike larger metastases.
Experts developed a standardized framework to document physical findings on older patients, which includes diagrams and a questionnaire. The Geriatric Injury Documentation Tool aims to improve documentation of geriatric injuries and ultimately result in better medical care for older adults.
Researchers found that acacia ants can sense vibrations caused by mammalian browsers and respond accordingly. The ants patrol the branches more actively when they detect these vibrations, allowing them to navigate towards the source of the threat and defend their tree.
Scientists have developed a method to directly write quantum light sources into monolayer semiconductors, enabling precise placement and real-time design of arbitrary patterns of single photon emitters. This breakthrough paves the way for emerging applications in secure communications, sensing, and quantum computation.
Artist Heather Dewey-Hagborg collaborated with scientists to create a custom virus that increases oxytocin production, associated with feelings of love and empathy. The 'Lovesick' virus is a harmless, non-replicating vector that expresses the hormone oxytocin and a fluorescent protein, allowing cells to glow bright red.
Researchers at CRCHUM successfully reduced chromosome abnormalities in mouse embryos by half, a major cause of infertility. The discovery could improve infertile couples' chances of giving birth if applied to humans in the future.
Researchers use X-ray nanotomography to study the 3D structure of coccolithophore calcite shells, revealing correlations between shell mass and organic template size. The findings provide new insights into the role of these tiny microorganisms in the global carbon cycle.
A proposed blockchain-based platform can record researchers' workflows and track analysts' decisions in meta-analyses, facilitating transparency and reproducibility. This approach aims to identify inconsistencies between contradictory results by pinpointing individual timestamps of analytic decisions.
Researchers have developed an innovative new software that measures electrical activity in the heart, which may help identify potentially lethal arrhythmia. The open-source ElectroMap software can detect, map, and analyze arrhythmic phenomena for various data types, leading to a deeper understanding of heart diseases.
A virtual reality therapy called Blue Room has shown lasting effects on anxiety caused by autism phobias in both children and adults. The treatment, developed by Newcastle University, has been shown to be effective in reducing symptoms in 40% of treated children at two weeks and 45% at six months.
A study by researchers at the University of Pennsylvania found that between 10-23% of respondents lied about their eligibility to participate in a survey when offered payment for flu vaccination status. The study suggests that offering money can encourage deception, and that lower payments may not prevent it.
Researchers found biocolonization by lichens, algae, and cyanobacteria causing progressive loss of the Sacred Rock at Machu Picchu. The study highlights the role of these micro-organisms in degrading the granitic material, posing a risk to the conservation of this UNESCO-listed site.
Scientists from France, Spain, and Germany show that applying an electric field can induce superferromagnetism in iron nanograins on a BaTiO3 substrate. This 'straintronics' approach offers a scalable, fast, and energy-efficient alternative to traditional magnetic memories.
Researchers discovered that second-generation CARs stimulate CD3 signaling more effectively than third-generation receptors and activate downstream signaling messengers. This may contribute to superior antitumor efficacy. The study aims to improve CAR designs and lead to better understanding of immunotherapy.
NASA technologist Mahmooda Sultana is advancing a revolutionary nanomaterial-based detector platform capable of sensing gases, atmospheric pressure, and temperature. The technology enables miniaturization of sensors, simplifying integration and packaging, with potential applications in space exploration and human health.
A team of researchers from TUM used computational screening and data mining to analyze 64,000 organic compounds, identifying key structural frameworks and functional groups that facilitate favorable charge transport. The study reveals the importance of molecular design in creating efficient electronic components.
Researchers at Centre for Addiction and Mental Health develop new therapeutic molecules that rapidly improve memory symptoms and renew underlying brain impairments. The compounds target specific impaired brain receptors causing memory loss, reversing cognitive deficits and improving brain function.
Steve WaiChing Sun, a civil engineering professor at Columbia University, has won a National Science Foundation CAREER award to develop an augmented intelligence approach for predicting material failures. His tool uses deep reinforcement learning to generate accurate predictions and improve complex analyses and designs for infrastructure.
Researchers at Columbia University Mailman School used a new model-inference system to estimate population susceptibility and demographical characteristics in three key locations in China. The study found that catch-up vaccination targeting migrant populations may be an efficient means of controlling current epidemics in big cities, wh...
A study by University of Pennsylvania researchers found that patients' words, such as 'told', frequently convey frustrations with poor communication. These feelings are strongly associated with low ratings and negative reviews.
New advances in stem cell biology and genetic engineering could lead to more effective treatments for Parkinson's disease, including cell replacement therapies. The development of quality-assured stem cells with unlimited production capacity offers a promising approach to alleviating motor symptoms.
A pilot program using clinical decision support tools improved angina symptoms and quality of life in patients with stable ischemic heart disease. The use of apps such as ACC FOCUS, Seattle Angina Questionnaire, and CardioSmart Heart Explorer App led to significant improvements in patient outcomes.
A large-scale study of American high school students found that legalizing medicinal marijuana has led to a drop in cannabis use among teenagers. The study, which used data from over 800,000 students across 45 states, found a 1.1% reduction in teen cannabis smokers in states with medical marijuana laws compared to those without.
A new study published in the Journal of the International Society of Sports Nutrition found that a low FODMAP diet reduces exercise-related gastrointestinal symptoms and improves perceived ability to exercise. The research involved a group of healthy recreational exercisers who followed two eating plans with varying FODMAP content.
Researchers at Karolinska Institutet have mapped brain networks that control the habenula, a structure linked to feelings of discomfort and aversion. The study suggests a specific pathway that can be modulated using optogenetics, offering hope for developing new treatments for depression and anxiety disorders.