A research team has developed a new method for fabricating lasers using nanoparticles known as quantum dots. By carefully controlling the size of the quantum dots, they can 'tune' the frequency or color of the emitted light to any desired value.
A recent study published in PNAS found that adult humans' subcortex can process numbers at the same level as infants and other lower-order species. The researchers used a stereoscope to present visual stimuli to one eye or both eyes and observed that numerical judgments were better when the quantities differed greatly.
Researchers developed a new way to visualize cholesterol distribution on cells and tissues using NanoSIMS imaging. The study found that accessible cholesterol is highly enriched on microvilli, supporting the idea that they play a role in regulating cholesterol production and unload surplus cholesterol.
Researchers developed a new statistical framework to study microbial evolution using geology-inspired methods, identifying diverse bacteria adapting to various environments on the human body
Scientists simulated the structure of fullerite and single crystal diamond to show how fullerite can become ultrahard. The results suggest that part of the fullerite turns into diamond under pressure, while the other part remains compressed within the diamond, increasing its bulk modulus.
Scientists identify a molecular pathway that enables prostate cancer cells to escape the primary tumor and form secondary tumors. This discovery holds promise for developing new therapeutic strategies to stop cancer cells from spreading, offering hope for improved treatment options for patients with metastatic prostate cancer.
A new study funded by Cancer Research UK finds that smokers treated for breast cancer have significantly higher risks of developing lung cancer or heart attacks due to radiotherapy. The long-term risk of death from these conditions is around 5% for smokers, compared to 0.5% for non-smokers.
A new study validates a novel classification system for identifying academic radiologists' subspecialties using Medicare claims data. The system correctly classified 90% of radiologists and has potential to improve value-based payment models.
Researchers defined cell-type composition of cancerous cells from 11 colorectal tumors using single-cell genomics and computational techniques. The study identified two distinct subtypes of cancer-associated fibroblasts that contribute to a worse prognosis in colorectal cancer patients.
A comprehensive review of primate social networks and parasites highlights the importance of super-spreaders in disease transmission. Combining behavior data with parasite analysis can help identify high-risk traits and develop targeted interventions.
Researchers created a list of prime spots to place AEDs in high-risk businesses. Coffee shops and ATMs were found to be ideal locations due to their accessibility and universal recognition.
The Hyde Amendment has expanded its policy reach over the past 40 years, affecting various government programs including Medicaid, Medicare, and federal prisons. A new bill, H.R. 7, could codify this restriction into law, making abortion more difficult for low-income women to access.
Scientists have found a material that undergoes an unexpected phase transition when heated to 450 degrees Celsius, transforming into one-dimensional nanowires with potential for next-generation electronic devices. The discovery could lead to powerful energy-efficient devices and smaller transistor sizes.
Researchers discovered molecular mechanisms of how post-translational protein modifications influence apoptosis, a process of programmed cell death. This process is crucial for maintaining tissue homeostasis and preventing diseases such as Alzheimer's and Parkinson's.
Researchers develop technology to produce special nanopowders used as modifying additives in aluminum alloy production. The new method improves operational properties and reduces energy costs, targeting metallurgy and machinery industries.
A team led by Dr. Dan Stowell is developing a new approach to machine learning using the dawn chorus, enabling computers to analyze sounds and identify patterns. The research has potential applications in areas such as climate change analysis, historic birdsong recordings, and improving human language understanding.
Researchers have discovered that structural and connective cells in the lymphatic system called stromal cells are major players in priming donated immune cells to attack the host's body. Disrupting a critical signaling pathway during the first 48 hours can provide long-term protection against graft-versus-host disease.
Researchers discovered a way to transport biochemical substances using loop-shaped liquid crystal defects that form around twisted fibers, controlled by electric and magnetic fields. The defects can move alongside the fibers with translational motion when applied perpendicular to the fiber.
Researchers at the University of Tokyo have discovered that plants can recognize friendly RNAs by breaking down those without a nucleotide 'tail' using the immune system. This breakthrough paves the way for future biotechnological techniques to modify crops.
A study of newlywed couples found that partners experience a lingering sexual satisfaction after sex, linked with relationship quality over the long term. This association held even after controlling for various factors, suggesting that sex may play a crucial role in pair bonding.
Researchers envision AAV as a platform for delivering novel tools for genetic manipulation, including CRISPR-Cas9 and RNA interference. The combination of tailored delivery vectors and new editing techniques will enable unique approaches to therapeutic gene expression.
Researchers have developed a rapid-testing prototype that weighs under a pound, costs as little as $100 and can detect mosquito-borne illnesses within 30 minutes. The device uses loop-mediated isothermal amplification (LAMP) diagnostic method to test for Zika, dengue and chikungunya viruses.
In response to the Trump travel ban, academics must maintain international collaboration in medical science. Strengthening ties with US colleagues is crucial to prevent weakening US science and supporting colleagues facing a hostile administration.
Researchers at the University of Illinois have developed a new technique to deliver RNA to soybean aphids using nebulization, which appears to block the function of specific genes. The technique has shown promise in improving the uptake of RNA through tiny breathing tubes and may aid in the development of new pest-control systems.
Researchers at the University of Pennsylvania have discovered a method to detect organ transplant rejection earlier, using a blood-based approach that targets 'transplant exosomes.' This new strategy may enable doctors to intervene sooner and reduce the risk of long-term side effects from immunosuppressive drugs.
A University of Guelph study suggests that conditions in wintering grounds are key factors affecting songbird population numbers during spring and summer breeding seasons. Warmer wintering grounds improve overall survival, but predictions of climate change may lead to new threats.
Researchers found that a single dose of millions of adult stem cells can aid stroke recovery if given early, reducing destructive inflammation and the risk for serious infections. Early treatment within 36 hours after stroke symptoms surface also showed benefits in physical recovery and reduced disability one year out.
Researchers discovered that neurons deep in the brain's cerebellum are highly active during learning, encoding both external and internal information. This finding may shift our understanding of how the cerebellum processes information.
Acquired mutations in IDH enzyme help gliomas evade immune system activation by suppressing T cell recruitment. Inhibition of mutant IDH enhances vaccine-based immunotherapy treatment efficacy in glioma-bearing mice, suggesting potential for combinatorial therapies to counteract mutation effects.
Researchers have created a pocket-sized retina camera that can take quality pictures without pupil dilation, enabling convenient and efficient retinal examinations. The camera is made from simple parts available online and costs around $185.
Researchers have sequenced genomes of microorganisms in Aarhus Bay's subsurface seabed, showing they grow in slow motion with generation times up to 100 years. The extreme environment leads to low adaptability and minimal energy availability.
Researchers propose that debris from an asteroid impact could have formed Mars' rings, which would then break apart and re-form into moons. The model suggests that this cycle may repeat, potentially explaining sedimentary deposits found on Mars.
The study found that only half of Red Cross and Red Crescent national societies have adopted Twitter, highlighting the digital divide as a constraint. Despite this, high activity rates were observed in countries like Kenya, Indonesia, and the Philippines, suggesting potential for growth in developing economies.
New NASA research on Mars volcano Arsia Mons suggests its peak volcanic activity occurred around 150 million years ago, similar to the time of Earth's Cretaceous-Paleogene extinction event that led to the demise of dinosaurs. The study provides valuable insights into the Red Planet's history and interior structure.
Researchers at TU Graz have found that superoxide dismutase enzyme function can prevent ageing in non-aqueous batteries by eliminating singlet oxygen. This discovery could lead to the development of more efficient and sustainable battery systems.
University of Pennsylvania researchers created a predictive indexing tool that identifies patients most in need of intensive cognitive behavioral therapy (CBT) for depression. The study found that those with worse prognoses saw the strongest results from CBT, while others saw no differences between CBT and less-intensive treatments.
A new study found that adolescent and young adult cancer survivors often experience prolonged social difficulties, persisting even after treatment. Despite initial improvements in social functioning during the first year post-diagnosis, these patients tend to remain socially impaired relative to their cancer-free peers.
Researchers at Michigan State University have discovered that altering pH levels can prevent prion proteins from aggregating and forming deadly diseases. The study used a laser technique to measure the speed at which proteins rearrange before clumping, and found that an antihistamine called astemizole was effective in reducing prion ag...
Researchers discovered a new, eco-friendly thermoelectric material made from calcium, cobalt, and terbium that can generate electricity through temperature differences. The material has the potential to power implantable medical devices, charge mobile devices, and even reuse waste heat in power plants.
A new study on ArcheAge players found that despite violent acts, most exhibited prosocial behavior, strengthening social relationships and forming new ones. The study provides insights for game designers on how to reduce player churners and offers a realistic view of end-of-world scenarios.
Trichomonosis is a common infectious cause of large bowel diarrhea in cats, characterized by 'cow pie' consistency and mucus/blood in faeces. The infection is caused by the protozoan Tritrichomonas foetus, which can be transmitted from cat to cat via the faecal-oral route.
Scientists have found that two immune system molecules, interleukin 1 beta (IL1β) and tumor necrosis factor alpha (TNFα), may drive drug resistance in estrogen-driven breast cancers by modifying the shape of the estrogen receptor. This finding could lead to novel therapeutic approaches.
The study estimates that there were 69 perinatal human immunodeficiency virus (HIV) infections among infants born in the US in 2013. Maternal and infant factors associated with infant HIV infection include late maternal diagnosis and lack of antiretroviral treatment and prophylaxis.
A new genus of copepods, Eirinicaris antonioi, has been discovered in Brazil's rocky savannas, providing insights into ancient species distribution. The discovery highlights the vast amounts of undiscovered biodiversity in these ecosystems, which face significant anthropogenic threats.
A recent research project aims to develop biocomputers that can overcome current computing obstacles, such as high energy consumption and processing speed limitations. The new approach uses biomolecular motors to solve problems by moving through a nanofabricated network of channels.
The Hastings Center Report explores how bioethics can address authoritarian populism and contribute to the rebuilding of civic foundations. A study on prisoners' participation in clinical research found unique influences that may leave them vulnerable to exploitation.
Research by Lindsay Naylor reveals fair trade certification has both positive and negative effects on coffee producers in Mexico. The program has assisted families but also limited their mobility, with many farmers making only $500-1,000 annually. Additionally, the power of coffee production is often used as a political weapon.
University of Utah engineers develop 'computational cannula microscopy' to capture high-resolution images of animal brains using surgical needles and laser light. This non-invasive method shows promise for studying neurological disorders and could lead to a simpler, less expensive alternative to endoscopes for human patients.
Canada dropped from sixth to seventh place in the 2017 World Happiness Report, but still ranked highly on key factors such as real GDP per capita and healthy life expectancy. The report highlights Canada's success in multiculturalism and integration, which helped build social trust and decrease economic and social segregation.
The Critical Path Institute has launched a consortium to qualify islet autoimmunity antibodies as prognostic biomarkers for Type 1 Diabetes (T1D) research. The goal is to identify individuals at risk of disease progression and develop interventions to prevent or delay the onset of symptomatic T1D.
Researchers at the University of California - Davis have developed a new solution to the 'moving sofa problem', a challenge that has stumped mathematicians for over 50 years. The team used 3-D printing and mathematical techniques to find the largest area that can fit around a corner, with potential applications in complex mathematics.
Researchers discovered new genes that cooperate with PTEN to prevent cancer development in mice. The study also found potential drug targets for cancers with a faulty PTEN gene.
Disney Research scientists developed a method to catch a real flying ball using virtual reality, demonstrating enhanced user experience. Different visualization styles were tested, revealing that users caught balls in all three modes with varying strategies.
A new single-cell sequencing method, AccuSomatic Amplification for Single Cell Sequencing, has been developed to accurately detect somatic single nucleotide variations in single cells. This breakthrough technology eliminates errors in somatic SNV calls while maintaining detection sensitivity.
A global research team warns of severe mineral supply constraints due to lack of international coordination on exploration investment efforts and geological data sharing. The shortage could lead to rising prices and critical shortages of essential resources, including technology minerals and base metals.
Researchers demonstrated steady state lasing with colloidal quantum dots, a crucial step towards practical laser technology. The unique shape of the quantum dots, resembling a flying saucer, overcame limitations in previous lasers.
A Stanford-led study analyzed over 3,000 meta analyses to identify the most common sources of scientific bias across 22 disciplines. Small studies consistently overestimate effect size, while factors like early career status and isolation from other researchers increase bias risk.
The Carnegie Mellon Power Sector Carbon Index will provide a snapshot of critical data regarding energy production and environmental performance. The index will track U.S. power producers' carbon dioxide emissions and compare them to historical data, providing insights into progress made by the power sector in reducing emissions.
A new predictive model developed by British American Tobacco predicts that e-cigarettes will help reduce smoking prevalence in the UK to 9.7% by 2050. The model takes into account various scenarios and factors, including consumer behavior, demographics, and health effects, and suggests a significant reduction in smoking-related deaths.
Researchers have discovered a small protein, Hi1a, that protects the brain from stroke-induced injury. Administered up to eight hours after stroke, Hi1a blocks acid-sensing ion channels and improves neurological performance.