Researchers obtained images of the NMDA receptor in active, non-active, and inhibited states using x-ray crystallography and single-particle electron cryomicroscopy. The study reveals the complex movements of the receptor's subdomains during activation and provides insights into designing novel therapeutic compounds.
A Stanford University School of Medicine study found that $1.4 billion in HIV prevention programs promoting sexual abstinence and marital fidelity had no impact on changing individual behavior or reducing HIV risk. The researchers suggest reallocating funding to effective HIV prevention methods, as the remaining $50 million in annual f...
Scientists discovered that up to 60% of airborne particles after a rainstorm come from the soil, releasing organic matter into the atmosphere. This finding has significant implications for understanding the planet's climate and will be integrated into atmospheric models.
A study of 257 female inmates in Rhode Island found that 68 had engaged in sex exchange, which was associated with higher risks of physical abuse, injection drug use, and multiple STIs. Assessing a lifetime history of sex exchange could help identify women at risk for these problems.
MicroRNAs play a crucial role in controlling fertility and puberty by regulating the expression of gonadoliberin or GnRH, a neurohormone that stimulates sexual maturation. Failure to produce microRNAs leads to infertility and sterility in adults.
Researchers have developed nanoparticles that deliver antiobesity drugs directly to fat tissue, transforming white adipose tissue into brown and stimulating angiogenesis. The treatment resulted in a 10% weight loss in mice without adverse side effects.
Despite federal legislation, Yale researchers found that shortages for acute-care drugs used to treat critically ill patients have increased since the passage of FDASIA. The median duration of these shortages was approximately eight months, posing risks of medical error and reduced effectiveness.
Researchers have sequenced the mitochondrial genome of the Hispaniolan solenodon, revealing that it diverged from other living mammals 78 million years ago. The venomous mammal survived asteroid impact and human colonization, but is now threatened by habitat loss and introduced predators.
A new study published in CMAJ found that the UK Health Check program had a modest impact on reducing cardiovascular disease risk factors, with limited success in meeting national and international targets. The program resulted in increased diagnoses of vascular diseases such as hypertension and type 2 diabetes among participants.
A new study by Spanish National Research Council (CSIC) reveals that the 3-nitrooxypropanol compound reduces methane production in ruminants without harming their health. This finding opens up possibilities to decrease global temperatures and increase efficiency of ruminant production systems.
The study uncovered five new genes associated with breast cancer and 13 new mutational signatures that influence tumour development. The analysis revealed the genetic variations in breast cancers and their distribution across the genome.
The researchers developed a new method to increase the aggressive intensity of cavitation without increasing power. By controlling pressure at the bubble collapse region, they were able to enhance cavitation efficiency by a factor of about 100.
A recent NIH-funded study found that half of patients with age-related macular degeneration (AMD) maintained 20/40 vision or better after five years of anti-VEGF drug treatment. The study also showed that the two most commonly used drugs, Avastin and Lucentis, were equally effective in preserving visual acuity.
A new study from Harvard Medical School found that corporate churning in nursing homes is linked to lower quality of care. The research, led by David Grabowski, measured the impact of ownership changes on nursing home quality and found that transactions were often associated with existing quality problems.
The US lead poisoning crisis worsens as unknown communities are left exposed to tainted water. Inadequate funding may not alleviate damage done in the past.
Algae farming is sensitive to fertilizer costs, with ammonia and carbon dioxide being major concerns. Approaches like increasing surface area, partial pressure, and contact time can improve nutrient utilization efficiency for CO2. Dosing ammonia at a controlled rate can minimize its volatility and toxicity.
A recent study found that hydropeaking, or the daily raising and lowering of river flows, has a devastating impact on aquatic insect abundance. The researchers discovered a clear correlation between hydropeaking and the number of insect species present, with certain insects being nearly absent in areas where they should have been present.
A study published in Journal of Public Health Management and Practice found that veterans are more likely to report delays in seeking necessary healthcare compared to the US general population. The study suggests that access problems within the VA system may be creating disparities in care for this vulnerable population.
Researchers at Northwestern University have stabilized exfoliated black phosphorus by covalently bonding a single-molecule-thick layer onto its surface. This enhances electronic properties and prevents degradation in open air, making it suitable for applications such as sensors, transistors, and optoelectronics.
A new study by the USGS reveals that hydropeaking, a widespread practice in hydroelectric dam operations, can disrupt river food webs and harm aquatic insects. Alternative hydropower practices, such as leaving river levels low and stable during periods of minimal power production, may help mitigate these negative effects.
Researchers studied skeletons from London's St. Mary Spital cemetery, finding that stress markers like LEH were correlated with famine deaths. However, periosteal lesions on shin bones were found to be associated with normal, non-famine related deaths, contradicting previous assumptions about their significance.
Scientists have developed a new method to image magnetic fields on the nanometer scale at temperatures close to absolute zero. They used quantum sensors in diamond-based microscopes to achieve unrivalled precision in measuring magnetic fields in superconductors.
Scientists have discovered that silencing the molecular alarm, HIF-1α, reduces heterotopic ossification and disability in a rare bone disorder. By targeting this protein, researchers hope to develop more effective treatments for FOP and related disorders of heterotopic ossification.
A new study published in Hypertension found that arterial stiffening can be detected in early adulthood, particularly in ethnic minority groups, and is associated with physical inactivity, stress from racism, and high blood pressure. Regular physical activity was linked to lower arterial stiffness, emphasizing the importance of exercis...
A team of researchers at ICIQ has designed and synthesized highly selective and effective Englerin analogues that inhibit the growth of renal cancer cells. The analogues were developed using gold catalysis and exhibited potent anti-cancer activity in cell lines, offering a promising treatment option for patients with kidney cancer.
A McMaster University research team is examining how environmental factors, such as agricultural practices and toxicants, affect brown adipose tissue activity in individuals with obesity or type-2 diabetes. The studies aim to develop new strategies to enhance BAT activity for treating and preventing these diseases.
Researchers found that the CB2 receptor regulates nerve cell activity in the hippocampus, adjusting communication processes. The discovery could lead to novel medications for schizophrenia, depression, and Alzheimer's disease.
A study by the University of Toronto's Rotman School of Management found that having a first-class cabin increases air rage incidents nearly four times more than a nine-hour flight delay. Economy passengers who pass through first class are also more likely to exhibit bad behavior.
A new study found that drinking water from private wells, especially those established before the 1950s, may contribute to elevated bladder cancer risk in Maine, New Hampshire, and Vermont. The researchers estimated that increasing cumulative arsenic exposure was associated with an increased risk of bladder cancer.
A study of 36 women found nearly all carried cancer-associated gene mutations, suggesting high accuracy and sensitivity for detecting ovarian cancer. Duplex sequencing technology can identify low-frequency cancer-like mutations, potentially leading to early detection and treatment.
Researchers discover microbes creating tubular microtunnels in basaltic volcanic glass on Earth, expanding our understanding of subsurface microbial activity. This finding also suggests that similar features may exist on Mars, potentially near the surface, which could aid future Mars missions.
Experts weigh the benefits of expanding buprenorphine prescribing, citing its effectiveness in reducing opioid mortality rates, but also raising concerns about misuse and diversion. Proposed strategies aim to ensure safe and effective use while promoting quality care.
A new study suggests children with ADHD follow fewer healthy lifestyle behaviors than non-ADHD youth. Children with ADHD were more likely to consume artificially sweetened juice, have excessive screen time, and engage in less physical activity.
A Kaiser Permanente study found that a widely recommended cardiovascular risk calculator overestimates the actual five-year risk of heart attacks and ischemic strokes. The study suggests that individuals may be over-treated due to the inaccuracies.
Research reveals that tropical cyclones in the southeastern United States increase forest photosynthesis and growth, capturing significant amounts of carbon from the atmosphere. This effect significantly exceeds carbon emissions from American vehicles each year.
A randomized clinical trial found that 25% calorie restriction over two years improved mood, reduced tension, and enhanced general health and sexual drive in healthy adults. The study suggests that calorie restriction may provide some benefits for nonobese individuals, contradicting previous concerns about potential negative effects.
A new blackspot identification method developed by QUT uses a Bayesian latent class model to analyze multiple crash risk processes. The model identifies additional high-risk sites, resulting in improved prediction ability and accuracy.
A new study by University of Exeter expert Dr James Screen found that Pacific Decadal Oscillation (PDO) affects Arctic amplification, with varying sea-ice loss impacting warming rates. The 'negative' phase of PDO leads to greater Arctic warming due to colder ocean temperatures along the west coast of North America.
Ricardo Sosa, a University of Houston student, has been awarded a National Science Foundation Graduate Research Fellowship to continue his research on kidney stones. He will study how organic modifiers affect kidney stone growth, potentially leading to new treatments or prevention methods.
Hydroelectric dams devastate aquatic insect populations and food webs by creating an 'extensive intertidal zone' along river shorelines. Citizen science data show that species with river-edge egg laying behaviors have been largely extirpated from the Grand Canyon.
Researchers discovered that people's stereotypes can alter brain activity when viewing faces, making them appear more in line with biased expectations. The study found specific patterns of visual bias and neural activation, confirming stereotypical associations with the US population.
The Society for Cardiovascular Angiography and Interventions (SCAI) has released updated guidelines for cardiac catheterization laboratory (CCL) best practices. The new guidelines aim to improve the quality of care, enhance patient satisfaction, and promote consistency in cath lab operations.
New genetic data shows two major changes in prehistoric human populations, linked to the end of the last Ice Age. The data also reveal mixture with Neanderthals and evidence of natural selection removing Neanderthal ancestry.
A study analyzing data from three injury surveillance programs found concussions in high school football had the highest average number of reported symptoms. High school football players also had the highest proportion of concussions with a return to play time of at least 30 days, followed by youth and college players.
A study published in Pediatric Obesity found that vitamin D supplementation during the first year of life is critical for muscle-mass development and less body fat in toddlers. Children who had sufficient vitamin D stores averaged around 450 grams less body fat at 3 years of age.
Research in a mouse model found that antibiotics deplete beneficial bacteria, increasing oxygen levels that favor the growth of pathogen Salmonella. This discovery has profound implications for preventing side effects of antibiotic treatment and informs new strategies to tackle bacterial infections.
Cognitive behavioral therapy is recommended as first-line treatment for adults with chronic insomnia, according to the American College of Physicians. The new guideline also suggests a shared-decision making approach if therapy alone is unsuccessful, and notes that medication may have fewer harms than sleep medications.
Experts gathered at EPA headquarters to discuss design of in vitro system to assess nanomaterial toxicity, with PETA International Science Consortium funding its development. The report summarizes workshop discussions and recommends aerosol generation and exposure tools.
The primary method used to test compounds for anti-cancer activity in cells is flawed, according to a study by Vanderbilt University researchers. They have developed a new metric to evaluate a compound's effect on cell proliferation called the DIP rate, which overcomes the flawed bias in traditional methods.
A study of 44 US climate-adaptation plans found that local communities apply diverse strategies to combat climate change, but often fail to prioritize goals or provide implementation details. The plans also lack clarity on metrics for measuring progress and addressing uncertainty related to climate-change impacts.
Researchers at UT Southwestern Medical Center discovered that Fanconi anemia genes play a crucial role in selective autophagy, particularly in removing damaged mitochondria. This finding has implications for treating Fanconi anemia and certain cancers, including familial breast and ovarian cancer.
Researchers identified key signal TBK1 drives Tfh cell maturation, promoting precise immune response. ICOS regulates B cell activation and specificity through TBK1 association.
The Middle East and North Africa may become uninhabitable due to climate change, with temperatures expected to rise by over two degrees Celsius by mid-century. Heat waves could occur ten times more often, with prolonged periods of extreme heat becoming the norm.
Researchers have discovered that a combination of 5-azacytidine and the HDAC inhibitor butyrate reduces the number of cancer stem cells in breast cancer patients. This targeted approach may improve survival rates and provide a new treatment option for breast cancer.
Researchers at Indiana University estimate that nearly 1 trillion species exist on Earth, using large datasets and ecological models to conclude that 99.999 percent remain undiscovered. The study highlights the vast diversity of microbial life on the planet.
The Maryland Climate and Health Profile report highlights the state's vulnerability to climate change, with extreme weather events increasing the risk of foodborne illnesses, heart attacks, and severe asthma attacks. The report projects higher rates of these health issues in future decades, particularly among coastal communities.
A recent study at The Hormel Institute has uncovered a new molecular mechanism that detects missegregated chromosomes and prevents the formation of tumors. This discovery provides insight into the regulation of chromosome segregation and its role in cancer development.
Brown University bioengineers have developed a synthetic bed that works as well as traditional mouse cells without contamination risk. The innovation allows for the cultivation of human embryonic stem cells more safely and could lead to advances in stem cell therapies.
A new study from Wake Forest University found that testosterone influences the evolution of a waving display in male Bornean rock frogs. The research revealed that testosterone increases foot-flagging behavior and changes how hormones act on leg muscles, similar to the change seen in vocal croaks.
A study by IRB Barcelona reveals the genetic code stopped evolving at 20 amino acids due to limitations in tRNA molecules. The researchers explain that new amino acids can't be introduced without causing problems with protein synthesis and translation.
Researchers developed SpiroCall, a system that can accurately measure lung function using a standard phone call, regardless of smartphone availability. The tool's results were within 6.2% of clinical spirometer readings, making it suitable for monitoring chronic lung diseases at home.
A team of engineers and marine biologists at the University of California, San Diego, developed a claw-like device based on the sea urchin's mouthpiece to sample sediments on other planets. The device uses five curved teeth with triangle-shaped tips that can scrape, cut, chew, and bore holes into tough rocks.
A study found that freeze-thawing and intravenous infusion affect mesenchymal stromal cell gene expression, which may impact their therapeutic use in reducing inflammatory responses. The lung microenvironment also influences MSC gene expression, highlighting the need for careful characterization.
A team of astronomers has discovered three planets with sizes similar to Earth's orbiting the ultracool dwarf star TRAPPIST-1, which may possess habitable regions. The planets' orbits are extremely close to their host star, receiving four times and twice less radiation than Earth.
Dr. Murtaza and Dr. Antoni Ribas are awarded $200,000 to investigate whether microbiome analysis can predict patient response to immunotherapy in melanoma patients. Their study aims to analyze the relationship between microbial composition and immunotherapy outcomes.
Researchers found that young adults taught to weigh themselves daily and make small changes in diet and exercise had significantly reduced average weight gain over three years. The large change strategy led to even more effective weight loss results.
Severe spring thunderstorms spawned over 67 tornadoes across the US, with intense rainfall totals reported in states including Texas, Oklahoma, Kansas, and Nebraska. Heavy flooding caused six fatalities in Palestine, Texas, while six inches of rain were recorded in southern Mississippi.
A new article provides a comprehensive guide to managing billbugs in turfgrass, including regional information and alternative control methods. The study highlights the potential of using resistant turfgrass varieties and encouraging natural predators to manage billbug populations.
A UCLA study found a significant decline in funding for the US government's HIV/AIDS initiative, PEPFAR, from $448.6 million in 2013 to $302.8 million in 2014. This drop is concerning as many countries rely on PEPFAR for vital health care services.
A new study suggests that cognitive-behavioral therapy can help prevent long-term memory issues caused by chemotherapy. The therapy, called Memory and Attention Adaptation Training (MAAT), was developed to increase awareness of situations where memory problems arise and develop skills to compensate for memory dysfunction.
The Jayich Lab developed a quantum sensor that captures nanoscale images with high spatial resolution and sensitivity. This technology operates from room temperature, allowing for the study of various phases of matter and phase transitions.
Five teams of cancer researchers received a total of $1 million to advance 'innovation in collaboration' through new research projects. The awards will support novel collaborations between senior and junior researchers, exploring questions arising from existing SU2C-supported Teams.
The BrightFocus Foundation has awarded nearly $5 million in vision research grants to five scientists studying macular degeneration and glaucoma. The grants, named after prominent leaders in the field, will support innovative research projects aimed at understanding and preventing these diseases.
A long-term follow-up study found significant improvement in health-related quality of life after bariatric surgery for patients with BPD-DS. The study evaluated 27 patients who underwent the procedure and compared their outcomes to pre-surgery scores and those from the general population.
Researchers at Ohio State University found that all-female mole salamanders can regenerate tail tissue at 1.5 times the rate of their heterosexual counterparts, with a 10-week timeline compared to 14 weeks for males. This faster regeneration may be attributed to genetic differences and reproductive strategies.
Scientists observed anomalous sinking phenomena in apparently fixed powder beds due to local fluidization. The final sunken depth varied with sphere density and air strength. This discovery could lead to the development of dry-type gravity separation technology for separating three objects with different densities.
A randomized clinical trial found no significant effect of pasteurized donor milk on preventing serious infections, necrotizing enterocolitis, and all-cause mortality in premature neonates. The study suggests that providing raw mother's milk to premature infants is crucial for reducing the risk of these conditions.
Single parents living in urban low-income neighborhoods with high levels of community violence experience significant symptoms of stress and depression, affecting their children's emotional health. Research emphasizes the need for further study and programmatic interventions supporting the overall health of housing unstable families.
Developed by University of Cambridge researchers, the nanoscale engine harnesses light energy to generate elastic forces, making it suitable for water navigation and disease-fighting applications. With immense force capabilities and bio-compatibility, these 'ANTs' could revolutionize nano-machinery and microfluidics industries.
A recent study tracked developing cells in an adult mouse brain, finding that the brain prunes back excess dendrite branches to achieve optimal design. This pruning process may hold implications for understanding neurological disorders such as autism, intellectual disabilities, and schizophrenia.
A new study published in Nature Climate Change reveals that groundwater extraction contributes about three times less to sea level rise than previously estimated, with an accurate figure of around 80%. This revised estimate suggests that other processes may be contributing more water to sea level rise, widening the gap between modeled ...
A new study reveals that newborns are likely being over-treated for reflux disease, with clinical symptoms only rarely confirmed by the gold-standard reflux test. The study suggests that doctors should use the MII-pH test to confirm diagnoses before treating infants with medications or surgery.
Seven of the top 10 most profitable US hospitals in 2013 were nonprofit hospitals, earning over $163 million each. The study suggests that monopolies in their communities allow these hospitals to charge high rates to private insurers, leading to substantial profits. In contrast, rural and urban hospitals with smaller patient volumes te...
Scientists at UC Berkeley have identified a key epigenetic switch that increases lifespan in mammals, offering hope for new treatments to improve human metabolic function. The discovery was made in the nematode worm C. elegans and found to be linked to increased lifespan in mice.
Researchers at SUNY Downstate Health Science University have identified a brain receptor that triggers synaptic pruning in the hippocampus during adolescence. This process is crucial for normal learning but goes awry in diseases such as autism and schizophrenia.
European companies missed market opportunities by prioritizing own data services over open internet, a study suggests. The industry's decline is attributed to risk aversion, lack of investment in new technologies, and monopolistic traditions.
A vast reef system spanning 10,000 km2 has been discovered at the Amazon River mouth, contradicting long-held assumptions about reef development. The ecosystem thrives under a plume layer due to chemosynthesizing microorganisms, supporting complex biodiversity in low light conditions.
A new study links climate warming to increased algal growth in the Athabasca oilsands region of northern Alberta. Researchers found a stronger link between warmer air temperatures and algal production, rather than industrial nutrient fertilization.
Researchers at UC San Diego found that DNA segments become jammed within viruses when sticky, causing the DNA to behave like LEGO pieces. Adding polyamines can cause viral DNA to become jammed and halt packaging.
Three exoplanets, similar to Earth and Venus, orbit an ultracool dwarf star just 40 light years from Earth. The planets may have regions with temperatures suitable for liquid water and life.
A University of Missouri study found that children physically react to stress from their social networks, with cortisol levels and salivary alpha-amylase indicating stress responses. The quality and size of childhood social relationships may have long-term physiological consequences for youth's physical and mental health.
A Penn-coordinated study confirms that half of patients with age-related macular degeneration retain 20/40 vision or better after five years of treatment with Avastin or Lucentis. The study also found signs of modestly worsening disease, but overall, the therapy has shown significant benefits in slowing vision loss.
The American College of Physicians (ACP) endorses cognitive behavioral therapy for insomnia (CBT-I) as the primary treatment for adults with chronic insomnia. CBT-I combines cognitive therapy around sleep with various behavioral therapies.
A study by April Cascasan and Thomas Marler reveals that cycad biologists have limited access to crucial information due to inadequate keyword use in historical publications. The authors suggest incorporating keywords like 'cycad' into article titles or index lists to improve discoverability.
A new analysis suggests invoking a little-known 'patent use' law to permit generic versions of patented drugs for government-sponsored insurance programs. This action could allow more patients to access effective drugs like those for hepatitis C at lower costs.
The California sudden oak death epidemic cannot be stopped, but its impact can be reduced by starting control measures earlier. Mathematical modeling shows that targeting the 'wave-front' of the disease and 'front-loading' the budget are more effective methods of control.
A study by Lund University finds that demographic changes, such as population growth and urbanization, pose a greater threat to natural fires than climate change, increasing the risk of fires in certain regions. The research suggests that areas with no human population are more prone to uncontrolled fires due to lack of urban planning.
A new study by University of Miami researchers found that ocean acidification is dissolving limestone on coral reefs in the upper Florida Keys at an alarming rate. The annual loss of reef poses a significant threat to the ecosystem's health and the estimated $7.6 billion asset value of these reefs.
A study by Sebastian Salas-Vega and Elias Mossialos found a wide variation in the value of cancer drugs across 9 countries, with the US spending more than others but witnessing one of the smallest improvements in cancer-related mortality. The authors calculated a $32.6 billion net positive return from cancer drug care in the US in 2014.
A study published in the American Journal of Cardiology found that nearly half of coronary artery bypass patients are not taking statins and aspirin together, increasing risk of vein graft occlusion. This suggests a lack of coordination between healthcare providers and patients in adhering to long-term prevention measures.
Researchers found swollen posterior cervical or axillary lymph nodes, fatigue, and enlarged spleen to be effective predictors of mono. Persistent symptoms lasting three to four weeks also characterize the illness, according to Dr. Mark Ebell.
A research-based fitness program called Children and Teachers (CATs) on the Move, developed by Betsy Hoza, is having a positive impact on preschoolers. The program uses developmentally appropriate games to promote physical activity and improve executive functioning, motor, and communication skills.
Researchers found that smaller, more interconnected social networks are associated with early signs of cognitive decline. Participants with mild cognitive impairment or dementia had a higher proportion of relatives in their networks and less socialization with friends and neighbors.
Researchers at the University of Toronto will investigate how environmental factors contribute to chronic conditions, with a focus on autoimmune disease, colorectal cancer, and respiratory diseases. The funding will help identify better ways to prevent and treat these diseases affecting millions of Canadians.
Researchers at NC State University developed a system that uses sensors in custom dog harnesses to monitor the dog's posture and body language. The algorithm triggered rewards when the dog exhibited the desired behavior, resulting in a 96% accurate rate.
Researchers found a 72% increase in opioid-related hospitalizations between 2002 and 2012, with serious infections rising 91% and health care costs nearly quadrupling to $15 billion. The study highlights the significant impact of opioid abuse on the US hospital system and health care costs.
An international team of astronomers has discovered three Earth-sized planets orbiting a nearby ultracool dwarf star, TRAPPIST-1. The planets are located within the star's habitable zone and may have conditions suitable for life.
Marina E. Emborg and Eng H. Lo received the 2016 Bernard Sanberg Memorial Award for Brain Repair for their outstanding contributions to neurodegenerative disorders and stroke research. Their work focuses on developing safe neuroprotective strategies using stem cells and advanced imaging techniques.
Dennis Reuter and his team are selected as finalists for the Samuel J. Heyman Service to America Medal for their contributions to the New Horizons mission to Pluto. The LEISA instrument provided groundbreaking data on Pluto's surface composition, expanding scientists' understanding of the outer solar system.
Researchers have created an 'adaptive protein crystal' that exhibits a unique property called 'auxetic', where stretching or compressing the material causes it to thicken or shrink in the opposite direction. This material has potential applications in shock-absorbing materials and body armor.
For the first time, researchers have filmed 'living' nuclear pore complexes in action using an ultra-fast atomic force microscope. The study reveals the dynamic behavior of molecular 'tentacles' inside the pore, which regulate the transport of molecules into and out of the cell nucleus.
A study published in JAMA Internal Medicine found that young adults who made small dietary changes and engaged in regular physical activity successfully prevented weight gain. The 'small-change' group lost an average of 1.2 pounds over two to three years, while the 'large-change' group lost nearly 5.2 pounds.