A study published in JAMA found that drugs granted accelerated FDA approval often relied on nonrandomized studies and surrogate measures to confirm efficacy, with many lacking statistically detectable differences in design features between pre- and post-approval trials. Despite positive results from postmarketing studies, clinical bene...
Researchers at University of Cambridge and Natural History Museum analyze 450 anatomical characteristics to place Chilesaurus in dinosaur family tree. The study reveals Chilesaurus fills a large gap between two major dinosaur groups, with implications for understanding the origins of Ornithischia.
A team of UK researchers investigated the impact of water droplets on spherical soft surfaces, revealing that surface curvature enhances retraction of impacted drops. The effects of impact parameters, including diameter ratios and polymer elastic modulus, were also studied.
Research reveals distinct molecular patterns in premature infants' cerebellum, indicating a cellular response to interrupted development. The findings may offer insights into long-term complications of pre-term birth and potential interventions to improve outcomes.
A new chewing gum-based diagnostic test can detect inflammation in the oral cavity within five minutes, allowing for early diagnosis and treatment. The test uses bittering agents to identify inflammatory conditions, which can help prevent serious complications such as bone loss.
A new AI system developed by MIT researchers reduces online video rebuffering and improves quality, adapting to different network conditions. The system achieves higher-quality streaming with less rebuffering than existing approaches.
Children from low-income families who grow up in counties with high upward mobility show significant gains in cognitive test scores between ages 3 and 9. Behavioral problems, such as aggression and rule-breaking, also decrease at age 3 and remain stable over time.
According to a new literature review, therapeutic modalities such as physical therapy can improve bone-and-joint function affected by pain and/or injury. The study highlights the utility of various modalities, including cryotherapy, neuromuscular electrical stimulation, hot and cold therapies, cupping therapy, and iontophoresis, in man...
A new study found that partners who have low power in their relationships are stuck with their partner's preferred brands, leading to a death-by-a-thousand-cuts feeling and decreased happiness. The researchers used brand preferences in various products to study individuals and couples over two years.
Researchers studied viruses from different eras to understand how they evade the host's immune response. Viruses collected in the 1990s are more effective at suppressing immune systems than those from the 1950s, leading to severe symptoms and high mortality rates.
The USGS has awarded $4.9 million to six universities and a non-profit organization to support the transition of the ShakeAlert system into a production system. The partnership aims to improve the sensor and telemetry infrastructure across the western United States.
A Johns Hopkins study found that individuals with mild cognitive decline have lower levels of serotonin transporters, suggesting a possible driver of the disease. The research suggests increasing serotonin function may prevent memory loss and slow disease progression.
Researchers at Mayo Clinic have identified a link between SPOP gene mutations and treatment resistance in prostate cancer. The discovery suggests ways to improve therapy by using these mutations as biomarkers. This breakthrough could lead to more effective treatments for this common and deadly form of cancer.
Researchers from NIST and Michigan State University have developed an algorithm that automates the key decision point in fingerprint analysis, reducing human subjectivity and improving reliability. The new system uses machine learning to score latent prints based on their quality, allowing for more efficient processing of evidence.
Researchers found that conscious sedation allowed for real-time brain function monitoring, enabling adjustments mid-surgery to reduce ischemic injury risk. The study shows promise in improving outcomes and decreasing risk associated with brain aneurysm surgery.
A new study found that cognitive abilities in adolescence are positively related, suggesting a 'mutualism' model where skills help each other develop. This research has implications for understanding developmental challenges and life outcomes, such as academic success and longevity.
A genome-scale analysis of 82 mammalian species reveals continuous placental mammal diversification despite the KPg extinction. The findings support the fossil record and challenge the notion that the event hindered their diversification.
Research suggests that traumatic brain injuries in childhood and adolescence can increase the risk of alcohol abuse problems in adulthood. The study found a clearer link between brain injury and alcohol abuse in people who suffered an injury before age 5, with children under 5 being over 3.6 times more likely to exhibit substance abuse...
Research reveals that testosterone plays a crucial role in regulating canary birdsong by targeting specific brain regions involved in singing. The nucleus of the arcopallium (RA) regulates song unit production, while HVC influences syntactical features such as syllable repetition and trill duration.
A study by the European Center of Pharmaceutical Medicine at the University of Basel compared regulatory requirements for new drugs across 12 countries, revealing significant variations. Harmonization could improve efficiency and reduce prices, making innovative drugs available faster.
Astronomers have caught a cosmic event in great detail, observing a supernova and its explosive ejecta slamming into a nearby companion star. The discovery was made possible by a specialized survey taking advantage of recent advances in linking telescopes across the globe.
Researchers have developed a novel blood biopsy test that reads platelets to detect human lung cancer with high accuracy. The thromboSeq test analyzes tumor RNA absorbed by circulating platelets and has shown promising results in diagnosing non-small cell lung cancer, achieving up to 90% accuracy.
Patients with newly diagnosed cancer face a substantially increased short-term risk of arterial thromboembolism. Lung, gastric, and pancreatic cancers are associated with the highest risk, while advanced disease increases overall tumor burden.
Researchers found knee OA in 16% of postindustrial individuals 50+, but only 6% and 8% in early industrial and prehistoric samples. The findings suggest an approximate doubling of knee OA prevalence since the mid-20th century.
Researchers have successfully enhanced spider silk's strength and toughness by incorporating carbon nanotubes or graphene. The resulting silk boasts up to three times the strength and ten times the toughness of regular material.
Researchers found that oxytocin increased generosity towards refugees, but only when combined with social norms. Donations from individuals with a defensive attitude towards migrants nearly doubled when presented with the average donation of their peers.
Researchers found that NS1 suppresses the body's immune responses to viral infection, suggesting a new approach to combat influenza A virus infection. The study proposes developing a live attenuated vaccine based on an engineered influenza A virus lacking NS1 and designing antiviral drugs targeting NS1.
A University of Michigan professor analyzed sailors' mouths for clues in the 1845 Franklin expedition disaster. The study found that tuberculosis resulting in adrenal insufficiency, or Addison's disease, likely contributed to the crew's deaths.
A study found that visually stimulated cross-modal activation of auditory brain regions in deaf individuals improved speech comprehension after cochlear implantation. Auditory cortex activation developed in tandem with both auditory and visual speech following implantation, suggesting a positive effect on hearing restoration.
Researchers have discovered that cancer-fighting T cells can recognize infected cells with much less evidence of cancer than previously believed. The study, which used optical tweezers to apply a tiny amount of force to the T cells, found that they can bind to just two peptides for activation
A new study by Cedars-Sinai Medical Center suggests that cardiac stem cell infusions could reverse aging in the human heart. Cardiosphere-derived cells secrete tiny vesicles containing RNA and proteins, which may turn back the clock for age-related heart conditions.
Researchers identified the 57th plate using multibeam sonar soundings and plate-motion circuits. The discovery resolves a misfit in the Pacific-Cocos-Nazca circuit, indicating another unknown plate's presence.
Tropical Storm Jova formed on August 11, but just two days later, it was being torn apart by strong vertical wind shear. The storm weakened into a post-tropical cyclone by August 14, with maximum sustained winds near 35 mph and an estimated minimum central pressure of 1005 millibars.
A global analysis of rainfall and rivers reveals more intense flooding in cities and smaller catchments, coupled with a drier countryside. This is attributed to rising local temperatures causing more evaporation from moist soils, leading to reduced water flows in rural areas.
University of Toronto researchers successfully transplanted healthy pancreatic cells under the skin to produce insulin, restoring normal blood sugar levels in a short period. The study's findings suggest that this method could provide a more manageable and efficient way to treat type 1 diabetes.
Researchers at LSU Health New Orleans will investigate the potential efficacy of Exscien1-III, a patented three-part fusion protein designed to repair DNA damage and improve cardiovascular disease outcomes. The goal is to move the promising new drug toward human clinical trials.
Researchers at VTT have discovered the frictional mechanism behind water repellency on inclined surfaces. By understanding this phenomenon, they can predict sliding of drops off surfaces and develop hydrophobic materials with improved wettability.
A new study links binge-watching TV with poorer sleep quality, fatigue, and increased insomnia in young adults. The study found that cognitive alertness resulting from binge-watching affects sleep, with 98% of binge-watchers experiencing poor sleep quality.
A study in eNeuro found that when remembering a sequence of events, the brain focuses on the event paid the least attention. The image that generated the weakest response in the brain during encoding was most strongly replayed during the delay period.
A study published in eNeuro found that young rats with access to a running wheel showed improved memory later in life. The results suggest that early life interventions that increase physical activity may help build up cognitive reserve, potentially delaying the onset of neurodegenerative disorders.
The £5.5 million Supporting Evidence Based Interventions (SEBI) initiative is improving livestock health and productivity in sub-Saharan Africa. Researchers are developing evidence-based technologies to address challenges faced by farmers, including disease surveillance platforms and portable diagnostic devices.
A recent Harvard University study reveals that knee osteoarthritis has dramatically increased in prevalence over the past 70 years, affecting an estimated one-third of Americans over 60. The research challenges the long-held assumption that osteoarthritis is simply a wear-and-tear disease related to aging and obesity.
Researchers at UCLA have identified a novel method to activate dormant stem cells in the hair follicle, which could lead to breakthroughs in treating hair loss. By manipulating cellular metabolism, they found that increasing lactate production accelerates hair growth in mice.
A study suggests that photosynthetic eukaryotes originated around 1.9 billion years ago through endosymbiosis with cyanobacteria, giving rise to archaeplastids including land plants and algae. The analysis reveals that the common ancestor of these organisms likely emerged in freshwater habitats.
Tropical Depression Eight strengthened into Tropical Storm Gert, showing better-organized bands of thunderstorms spiraling into its center. The storm is forecast to strengthen further and potentially become a hurricane by Wednesday.
A national survey by Hartford Consensus reveals a disconnect between public perceptions and healthcare professionals' views on hospital safety during active shooter events. Healthcare professionals believe they have a duty to protect patients, but many also perceive hospitals as risky settings.
Researchers found that patients with deeper tumor shrinkage due to targeted treatment had better progression-free survival and overall survival rates. The study suggests that initial response could be an early indicator of a drug's effectiveness, influencing both clinical trials and treatment goals.
Researchers at CNIO have developed a way to stabilize haploidy in animal cells, overcoming the issue of quick loss of genetic stability. By removing the p53 tumor suppressor gene, the group increases the survival rate of these cells, thereby stabilizing their haploid state.
A study by Martin-Luther-Universität Halle-Wittenberg and BRAIN AG found a clear correlation between sugar consumption and dental illness, resulting in significant costs. The researchers estimated that implementing the World Health Organization's 50g sugar per person per day target could save Germany up to 12 billion euros annually.
Researchers at Rice University have created a semiconducting transition-metal dichalcogenide material called Janus sulfur molybdenum selenium (SMoSe) with a larger band gap than molybdenum diselenide. The discovery has potential applications in catalytic production of hydrogen and other fields.
Researchers found that being overweight or obese increases a person's risk of coronary heart disease by up to 28% even if they have healthy blood pressure, blood sugar, and cholesterol levels. The study showed that excess weight is linked with an increased risk of heart disease, even when people have a healthy metabolic profile.
A University of Guelph study found that exposure to thiamethoxam reduces the chances of a bumblebee queen starting a new colony, with queens exposed to pesticides laying 26% fewer eggs. This significant decline in nesting behavior threatens the survival of wild bumblebee populations.
Research suggests that traditional sailing methods have helped prevent overfishing and ensure the long-term survival of the Fal oyster fishery. Motorising the fleet would result in a nine-fold increase in fishing activity, putting the fishery at risk.
A new study reveals that head-on collisions between protein machines on chromosomes can disrupt DNA replication and increase the frequency of genetic errors. These collisions promote mutations in key genes involved in coping with environmental stresses, which may help bacteria survive hostile environments.
Researchers at Brigham Young University have successfully 3D printed microfluidic devices with flow channel cross sections as small as 18 micrometers by 20 micrometers. This breakthrough enables mass-producing medical diagnostic devices cheaply, using a custom printer and low-cost resin.
Researchers map galaxy motions to locate denser matter in clusters and filaments, revealing the cosmic velocity web's structure. The new definition provides strong confirmation of gravitational attraction's role in universe development.
Researchers from Princeton University discovered that ISWI chromatin remodelers use the 'acidic patch' to remodel chromatin. The study reveals that this feature is a general requirement for chromatin remodeling to occur, and certain chemical modifications can enhance or inhibit ISWI remodeling activity.
Experts emphasize the importance of communicating cancer prevention messages to young adults (18-44 years) to reduce future cancer risk. The articles highlight various factors contributing to cancer risk, including health behaviors, chronic conditions, and social drivers, and propose tailored interventions to mitigate risks.
A Yale-led team has identified specific gene combinations that cause deadly brain cancer glioblastoma and found two mutations that make tumors resistant to chemotherapy. The new technology can also pinpoint triggers of other types of cancers.
Researchers from TU Dresden and CiQUS successfully synthesized decacene, the longest acene molecule ever produced. The breakthrough achievement demonstrates the power of collaboration between synthetic chemists and surface scientists to overcome long-standing chemical challenges.