A toxic factor released by a deadly frog-killing fungus disables the amphibian immune response, preventing conventional lymphocyte activation. The fungus's ability to inhibit cell growth in cancerous cells suggests potential new treatments.
A 20-year study found that LIS patients can achieve remarkable communication and mobility independence with rehabilitation and technology, including head-tracking and wheelchair control. Patients can even write, communicate, and play computer games with minimal functions.
A new study suggests that market bubbles can be predicted and controlled using chaos theory. Researchers found that extreme events, such as market crashes, follow power law distributions, allowing for early intervention to prevent them. Tiny nudges may make a big difference in controlling these events.
The report highlights significant gaps in US secondary Earth science education, including unequal prioritization and limited graduation requirements. Only six states require that students learn Earth Science concepts as part of their graduation requirements, highlighting the need for improvements in teaching practices and assessments.
A new study reveals that fewer US adolescents have antibodies against herpes simplex virus type 1 (HSV-1), making them more susceptible to genital infections. The prevalence of HSV-1 antibodies declined among 14-19 year olds by nearly 23% and among 20-29 year olds by over 9%.
Researchers have uncovered a record of Neanderthal archaeology that was thought to be lost, revealing a key archaeological site with preserved geological deposits dating back 250,000 years. The discovery provides significant insights into the last Ice Age and Neanderthal behaviour.
Scientists create novel genomes in E. coli, expanding vocabulary and increasing resistance to viruses. The breakthrough enables safer, more productive biotechnology by introducing rare amino acids that only survive in lab environments.
A RAND Corporation study found that modest increases in marketing and outreach to local communities can increase physical activity in parks. The study, which examined 50 parks across Los Angeles, found a 7-12% boost in physical activity among parks with increased signage.
Researchers found that interviewers' health assessments were more accurate predictors of death than physicians' or participants' own ratings. Interviewers considered detailed information gathered during interviews, including facial expressions and physical movements.
A new study found that nearly two-thirds of college students used false IDs to purchase alcohol, leading to more frequent drinking and increased risk of developing alcohol use disorders. The study also identified several predictors of false ID use frequency, including younger age at first drink and higher levels of sensation-seeking.
Research found analgesic overdose deaths concentrated in economically disadvantaged neighborhoods with high divorce rates and single-parent homes. However, these deaths occurred less often in higher-income neighborhoods than heroin overdose deaths.
Typhoon Francisco is turning northwest, posing a threat to Guam with sustained tropical storm force winds expected, causing minor damage to poorly constructed homes and isolated power outages. The storm has maximum sustained winds near 85 knots and is located southwest of Guam.
A mass vaccination campaign of over 300,000 people in Guinea demonstrated the feasibility of using an oral cholera vaccine during a cholera outbreak. The campaign achieved high coverage rates and was well accepted by the local community.
Researchers from Yale and Harvard successfully recoded the E. coli genome, enabling it to resist viral infection by limiting natural protein production. The new genetic code also allows for the creation of potent proteins with novel functions.
Researchers discovered that DNA changes the form and activity of transcription factors, such as the glucocorticoid receptor, allowing for precise control over gene expression. This adaptation enables genes to be transcribed to varying degrees.
The University of Texas at San Antonio has been awarded a $1.4 million grant to assist community college students seeking to pursue teaching degrees in mathematics and science. The funding will help support the UTSA GE2MS program, which prepares students to become highly qualified science and mathematics teachers in the San Antonio area.
Alpine plants show genetic differences in appearance and features due to Ice Age climate changes, highlighting their adaptability to environmental conditions. The study discovered variations within species are partly driven by natural selection, with plants adapting to shorter growing seasons.
Researchers analyzed over 1.5 million people's personality traits and demographics to identify three distinct geographic areas with unique characteristics, including friendly and conventional regions versus relaxed and creative states.
The UCI's 90+ Study, a five-year research project focused on the health and lifestyle issues of Americans in their 90s or older, has received renewed funding. Researchers plan to use PET and MRI scans to investigate factors associated with Alzheimer's disease and dementia, as well as monitor blood pressure and oxygen saturation.
A multicentre phase III study shows that the nab-paclitaxel/gemcitabine combination significantly improves one- and two-year survival rates in patients with advanced pancreatic cancer compared to gemcitabine alone. This new drug combination is set to become a reference treatment for this disease.
Researchers propose a set of key principles for understanding high-Tc superconductivity, which applies to all families of materials. Antiferromagnetic electron interactions drive both superconductivity and intertwined electronic phases across different material types.
A study of Danish high-school parties found that low to moderate alcohol consumption increases cheerfulness in girls and boys. However, extensive drinking leads to decreased cheerfulness among girls, while excessive drinking increases focus distraction in both genders. The study challenges the idea that most adolescents drink excessively.
Dr. Scott Tinker receives AGI award for his documentary Switch, which has reached an estimated 3 million people globally and screened at over 350 universities. He is also a prominent figure in building bridges between academia, industry, and government.
The FDA's current regulatory framework for probiotics may discourage research on new products with therapeutic benefits. To address this, researchers recommend the FDA modify its characterization of probiotics and introduce an 'abbreviated' process for certain types of probiotic products, such as probiotic foods and dietary supplements.
A special issue of Preventive Medicine explores common misconceptions about the HPV vaccine, including concerns about sexual disinhibition and vaccine safety. Studies show that these fears are largely unfounded, and that the vaccine can help prevent cervical cancer and other HPV-associated cancers.
Chemist Elad Harel at Northwestern University has been awarded a Packard Fellowship to develop optical analogs of MRI technology for studying protein misfolding. Misfolding is linked to diseases such as Alzheimer's, Parkinson's and diabetes.
Researchers connected human complex diseases to specific genes using zebrafish models, identifying a powerful tool for unraveling rare genetic conditions. The study shows that copy-number variants can affect multiple genes simultaneously, but manipulation of individual genes in zebrafish reveals their contribution to disease pathology.
Researchers found distinct bacteria in women with stress urinary incontinence (SUI) and urgency urinary incontinence (UUI), suggesting potential new treatment approaches.
A new study published in PLOS Neglected Tropical Diseases found that children under five are equally likely to contract bilharzia as their infected mothers. The researchers recommend improving access to clean water and sanitation to reduce the spread of the disease.
A UC San Francisco researcher recommends prioritizing dietary calcium intake over supplements to prevent osteoporosis and fractures. The recommended daily dose is 1,200 mg per day, with foods like dairy products, kale, broccoli, and Bok Choy providing essential calcium.
Researchers discovered that Neanderthals used toothpicks to alleviate periodontal disease pain, revealing a unique example of ancient palliative medicine. The study, published in PLOS ONE, analyzed toothpicking marks on a Neanderthal fossil and found evidence of maxillary porosity, characteristic of the disease.
High-priced cigarettes ($4.50+ per pack) and smoke-free homes are associated with lower smoking behaviors in low-income individuals, who tend to smoke more due to lower state cigarette prices. A smoke-free home is also crucial for successful quitting among these smokers.
Researchers used gravitational wave data to test models of supermassive black hole growth, ruling out one model and leaving three others as possibilities. The study provides new insights into the growth of massive black holes, shedding light on a long-standing astronomical question.
A new study funded by NIH suggests that sleep plays a crucial role in removing toxic molecules from the brain, which can contribute to neurodegenerative disorders such as Alzheimer's disease. The glymphatic system, a plumbing system in the brain, is found to open during sleep, allowing fluid to flow rapidly and clearing out toxins.
A study by Western University found that cardiac rehabilitation programs lead to a 31% reduction in hospital readmission rates and a 26% drop in cardiovascular mortality. The program's cost savings exceed $400,000 over two years, making it a financially viable option.
A recent study of 2,012 participants found no association between vitamin D levels and kidney stone incidence, contradicting earlier concerns about supplementation. However, the study did identify older age, male gender, and higher BMI as risk factors for developing kidney stones.
Researchers identify novel gene mutation in NFKB2 that impairs antibody production and fight infection, leading to common variable immunodeficiency (CVID). The discovery provides a new mechanism for immune deficiency and enables early diagnosis and treatment.
Biomedical researchers can now explore complex data sets with ease, thanks to CHOP's open-source platform, Harvest. The toolkit provides a user-friendly interface to navigate different types and levels of data, allowing users to construct queries to slice and dice data.
Research by UBC evolutionary ecologist Rob Colautti found that invasive plants can rapidly evolve to local climates, increasing reproduction and fitness. This adaptation allows them to thrive in northern Ontario and potentially respond to climate change.
The discovery of Dmanisi's unique skull sheds light on early human evolution, suggesting that Homo erectus was a single species with diverse individuals. The analysis of five well-preserved skulls reveals that the variation within the species is more significant than previously thought.
Researchers discovered liquid foams have low effective sound velocities, ranging from 20 to 60 meters per second, lower than its constituents. The type of foaming solution influences acoustic properties, with shaving foam showing a higher effective sound velocity.
A traffic-light labeling system in a hospital cafeteria increased customers' attention to nutritional quality and encouraged purchases of healthy items. The study found that 61% of respondents considered health/nutrition important factors in their choices after the intervention, compared to 46% before.
Researchers at UC Davis found that probiotics containing Bifidobacterium infantis effectively prevent necrotizing enterocolitis in premature infants. The study showed increased bifidobacteria levels and decreased harmful bacteria in breastmilk-fed babies, indicating potential benefits of probiotic therapy.
Tropical Storm Octave made landfall in western Mexico on October 13, bringing strong winds and heavy rainfall to the region. The storm's remnants caused significant flooding and damage, particularly in the state of Sonora.
A study published in Nicotine & Tobacco Research examines the relationship between proximity to tobacco retail outlets and smoking cessation. The research suggests that limiting access to tobacco products near residential areas may help smokers quit more effectively.
A new study from LSUHSC has identified two microRNAs regulating FOXP2, a gene linked to speech and language impairments and autism disorders. The study found that social context governs the function of these miRNAs in vocal learning, providing insights into human speech-language development.
A new study found that different trajectories of adolescent drinking are influenced by gene-parenting interactions, specifically the mu-opioid receptor (OPRM1) genotype and parental rule-setting. The study suggests that strict parental rules can prevent youth from drinking more alcohol.
Researchers discovered how jellyfish move with lowest cost of transport, using a critical pause between contraction and expansion to create a vortex that propels them forward. This feat allows the creature to travel 30% farther each stroke cycle, reducing metabolic energy demand by swimming muscles.
Researchers have identified Human Neutrophil Peptide-1 (HNP-1) as a potential treatment for leishmaniasis, a vector-borne disease affecting young individuals worldwide. HNP-1 has been shown to directly kill Leishmania parasites and increase the lifespan of neutrophils, reducing their susceptibility to infection.
A new species of dragon tree has been discovered in Thailand with impressive characteristics including a height of 12m. The newly found species is ecologically important due to its limited distribution and associated habitats, highlighting the need for conservation efforts.
The OSNAP program will measure ocean's overturning circulation, a key component of global climate system. It aims to understand changes in this circulation and its impact on temperatures and precipitation.
A study of retired NFL players found abnormal brain activity in the frontal lobe, which may indicate executive function deficits and increased risk of neurodegenerative diseases like Alzheimer's and Parkinson's. The results suggest that fMRI can detect subtle neurological problems not picked up by standard clinical tests.
Researchers at the University of Chicago have discovered that mRNA expression levels do not always reflect differences in protein expression between humans and chimpanzees. This finding suggests that protein expression levels may evolve under greater evolutionary constraint, potentially due to a yet-uncharacterized compensation mechanism.
Researchers at Aarhus University are using pigs, zebrafish and jellyfish to investigate hereditary forms of nervous disorders. They have successfully transferred the SYN1 gene from humans to pigs, which is involved in communication between nerve cells, to create a model for neurodegenerative diseases like Parkinson's disease.
The Dartmouth Atlas report shows wide variation in prescription drug use among Medicare patients across US regions, with higher spending not related to proven treatment use. Effective therapies are underused in some areas, while potentially harmful medications are overprescribed.
New research suggests that racial biases impact economic decisions, leading participants to accept lower offers from White proposers and larger offers from Black proposers. The findings highlight how specific stereotypes can influence fairness perceptions, with implications for legal and economic contexts.
A recent study published in the journal Obesity found that home-schooled children were less likely to be obese and had lower calorie intakes than traditionally schooled kids. The study's lead author noted that differences may reflect the unique environment of home-school families, but further research is needed.
Researchers found that a fungus, Batrachochytrium dendrobatidis, blocks the adaptive immune response in amphibians, allowing it to survive. The study suggests that the fungus targets a conserved vulnerability shared by both amphibian and mammalian lymphocytes.
Scientists at the University of Cambridge have identified a rare genetic mutation that causes severe respiratory infections and lung damage. The researchers believe that existing leukemia drugs may also be effective in treating this debilitating disease, which they are calling Activated PI3K-δ Syndrome.
A comprehensive botanical data set reveals that stable climates and small habitat areas are key factors in the distribution of rare plant species. The study highlights the importance of preserving these regions from human-induced climate changes, which could threaten the survival of many unique species.
A recent study by Celmatix Inc. suggests that women may be stopping IVF treatment prematurely, with 68% conceiving within two cycles and over half (60%) becoming pregnant if they proceeded with an additional two cycles. The study also explored genetic markers for female infertility and IVF success.
Researchers at the University of Georgia have discovered a combination of two drugs that can effectively treat toxoplasmosis, a parasitic infection caused by Toxoplasma gondii. The therapy uses cholesterol-lowering statin atorvastatin and osteoporosis medication zoledronic acid to block parasite replication and spread.
Researchers have identified a source of gut stem cells that can repair damaged gut tissue in mice with inflammatory bowel disease. These stem cells were found to be actively dividing and could form mature intestinal tissue under the right conditions.
A University of Missouri study found that warmer Pacific Ocean surface temperatures are linked to a 20.3% increase in EF-2 to EF-5 tornados, which tend to occur west and north of tornado alley.
A study of over 67,000 Canadians found that depression is nearly twice as prevalent among migraine sufferers as the general population, particularly among younger women and those with difficulty performing daily activities. The study also highlights a higher risk of suicidal ideation among young migraineurs.
Researchers suggest that Denisovans, an ancient human relative, successfully crossed Wallace's Line, a powerful marine current, to interbreed with modern humans. This finding opens up questions about the behaviors and capabilities of this group and how far they could have spread.
Astronomers have found the most distant gravitational lens yet, which provides a rare opportunity to directly measure the mass of a distant galaxy. The discovery poses a puzzle as lenses are expected to be exceedingly rare, suggesting either luck or underestimated small galaxies in the early Universe.
Researchers developed precise monitoring systems by analyzing gut microbiota of invasive Asian carp and native gizzard shad, revealing key differences between species. The study uses next-generation gene sequencing technology to identify biomarkers for each species, promising a new approach to preventing their spread in the Great Lakes.
A new study by Joyce You found that newer anticoagulants are more cost-effective than warfarin when patients' therapeutic ranges drop below 60%. Warfarin is most cost-effective when patients are within the successful range for more than 70% of the time. The study's results have implications for clinicians and policymakers.
Researchers estimate 16,000 tree species in Amazonia, with 227 dominant species having 50% of the region's tree population. This study provides valuable information for conservation efforts and further research.
Researchers found chemical signatures similar to plume volcanoes in the Marie Byrd Seamounts, which do not fit typical models of fire mountain formation. They propose that mantle material was shifted under oceanic plates, leading to volcanic eruptions on the adjacent seamounts.
Researchers found that consciousness does not reside in a specific area of the brain but rather arises from the communication among billions of neurons. The study provides an initial step toward developing a scientific definition of consciousness.
Tufts University geologist Andrew Kemp warns that rising sea levels make coastal areas vulnerable to flooding from smaller storms. He cites glacio-isostatic adjustment and ocean thermal expansion as factors contributing to sea-level rise.
An international team of scientists has provided proof of Heisenberg's error-disturbance relation, describing a reciprocal relation between position accuracy and momentum disturbance. The work has important implications for quantum cryptography and computing, reaffirming the security of quantum-encrypted messages.
Researchers identified a novel HBV mutation in Korean men that may explain the gender disparity in liver cancer incidence. The mutation is associated with severe liver disease and was found exclusively in male patients.
A complete skull from early Homo has been discovered in Georgia, combining features like a small braincase with large teeth. The finding suggests that all Homo species may have belonged to the same evolving lineage.
A study of 69,000 Medicare patients shows that vertebrae cement injections (augmentation) can improve survival rates by 77.8% at one year and 59.9% at three years compared to conservative management.
A study published in Journal of Neurotrauma found that genetic differences can affect an individual's recovery from traumatic brain injury. Genetic variations in cytokine genes impact the magnitude and duration of neuroinflammation, affecting long-term repair processes.
A large-scale trial found that cognitive behavioral therapy (CBT) significantly reduced symptoms of health anxiety in medical patients, with improvements sustained at 2 years. The treatment was delivered by non-specialist staff with minimal training and cost-effectively reduced healthcare costs.
Researchers have found that funeral pyres in South Asia emit significant amounts of sunlight-absorbing organic carbon aerosols, known as brown carbon. This finding highlights the importance of quantifying and characterizing regional combustion activities to enhance climate models.
Researchers found that video-based group instruction promotes far-reaching gains for students with ASD in social behaviors. The method has been shown to be effective and practical, even with limited resources.
Researchers at Oregon State University developed a nanotech system that combines heat and chemotherapeutic drugs to kill 95% of ovarian cancer cells. The system uses iron oxide nanoparticles coated with a cancer-killing drug, which are heated using an oscillating magnetic field, improving efficacy while minimizing side effects.
A recent study published in Science shows that the brain's unique glymphatic system, responsible for removing waste, is highly active during sleep. This process clears away toxic proteins associated with Alzheimer's disease, suggesting a vital function of sleep in maintaining brain health.
Tropical Storm Priscilla formed and rapidly weakened over 3 days in the eastern Pacific, skipping the depression phase. Its maximum sustained winds dropped to 35 mph/55 kph within a day of formation, marking one of the shortest-lived tropical storms of the season.
Researchers at Thomas Jefferson University developed a hologram-like display of a patient's organs using molecular PET/CT images. This approach allows surgeons to plan surgery and visualize tumors in 3D, reducing complications and improving outcomes.
Researchers from the UMass Amherst Psychology of Peace and Violence program argue that social psychology can be used to promote nonviolence and peace. They emphasize the importance of increasing empathy and understanding of others in reducing conflict, and highlight the need for more research on constructive approaches to violence.
Marmosets exhibit cooperative vocal exchange in a conversational manner, taking turns without interruptions, and follow unspoken rules of etiquette. This unique behavior is distinct from other animals and shares similarities with human communication patterns.
A study found that mothers with high LDL cholesterol before pregnancy have a 5-fold increase in their children's risk of developing high cholesterol as adults. This risk factor may be influenced by epigenetic changes, highlighting the importance of managing cholesterol levels throughout life.
Researchers found that purple loosestrife rapidly adapted to local climate conditions, allowing it to thrive and increase seed production. This adaptation enabled the species to outcompete native plants for resources, facilitating its spread in northern Ontario.
The number of donor eggs used in IVF has increased significantly in the US, from 10,801 in 2000 to 18,306 in 2010. Good perinatal outcomes also improved, with a rise from 18.5% to 24.4%, while average donor age remained stable at 28 years and recipient age was not associated with outcomes.
Maurizio Porfiri, an associate professor at NYU-Poly, has been named the ASME Dynamic Systems and Controls Division Outstanding Young Investigator Award winner. His research on biomimetic robotic fish contributes to understanding animal collective behavior.
A new LSUHSC study identified two microRNAs regulating FOXP2 levels in zebra finch brains, showing that social context influences their function. The findings provide insights into speech and language impairments and autism disorders.
The constructive conservation framework combines strategies for preserving biodiversity in both natural and designed landscapes. By prioritizing ecologically viable habitats, actively creating new ecosystems, and accepting novel ecosystems as natural landscapes, researchers aim to maximize the effective use of resources. This approach ...
Researchers have uncovered tiny changes in plants' physiology that enable advanced photosynthesis, allowing for increased growth rate and water efficiency. This knowledge could be used to breed faster-growing, drought-resistant crops like rice.
A new University of Michigan study suggests that the newly insured will make more outpatient visits and fewer emergency room (ER) visits than they do today. The study found that clinic visits rose significantly among adolescents after the Children's Health Insurance Program (CHIP) went into effect, while ER visits remained flat. Howeve...
Research suggests that NICU environments may affect premature infants' developmental outcomes. Private rooms showed lower language scores and motor skills in some children at 2 years old. Further research is needed to determine the optimal environment for premature infants in the NICU.
A team of University of Washington computer scientists has developed a software program called Eyes-Free Yoga, which uses Microsoft Kinect to track body movements and provide auditory feedback for six yoga poses. The program allows blind and low-vision individuals to participate in yoga exercises in a more comfortable setting.
Scientists have developed a novel software tool, Molecular Control Toolkit, allowing researchers to intuitively control 3D molecular graphics using gestures and voice commands. This innovation enables life scientists to visualize complex molecule structures more easily, model behavior, and design better drugs.
Researchers used data from NASA's Kepler space telescope to observe a distant planetary system with multiple planets at severe tilt to their host star. The discovery suggests that tilted planetary orbits are possible even in systems without a hot Jupiter, providing new insights into the architecture of alien solar systems.