Scientists from Waseda University and others have successfully visualized the structure of heterochromatin using cryo-electron microscopy. The study sheds light on how heterochromatin regulates genes and its connection to various diseases, including cancer and virus infections.
Researchers created the largest publicly available chemical database of hair dye substances to develop new, safer hair colors. The database reveals promising approaches for reducing allergic reactions and cancer risk associated with permanent hair dyes.
Researchers at Karolinska Institutet discovered that oxysterols stimulate specific immune cells to form lymphoid tissue in both health and disease. Oxysterols also contribute to chronic inflammation in ulcerative colitis, leading to tissue damage.
A new study found that most NIH grants awarded to pediatric researchers in the past five years have been limited to senior physicians at a few institutions. This downward trend in funding affects early-career physician-scientists, potentially hindering research discoveries and patient treatments.
The study tested a new combination of gemcitabine and sirolimus in patients with sarcomas, showing a 44% rate of patients free of progression at 3 months. Researchers believe the treatment's positive results warrant further evaluation in subsequent studies.
Researchers link oral health to cancer prevention via bacteria associated with periodontitis. Periodontitis may facilitate the spread of oral bacteria and their virulence factors to other parts of the body, contributing to cancer development.
Researchers at UNIST created a new type of underwater adhesive that is stronger than natural biological glues used by mussels. The hydrogel-based adhesive exhibits strong adhesion under wet conditions due to reversible interlocking between reconfigurable microhook arrays.
Researchers at UC Riverside have discovered a unique structure in the mantis shrimp's club that protects it from self-inflicted damage, enabling the development of ultra-strong materials. The club's striated region wraps around the club to prevent catastrophic cracking, similar to hand wraps used by boxers.
A study by McMaster University researchers found that people born during previous pandemics were at higher risk of dying during subsequent outbreaks. The analysis suggests exposure to pandemic influenza early in life may be a risk factor for mortality.
Researchers at Osaka University and The University of Tokyo describe the unique binding of RNF168 to lysine 63 chains, which is stabilized by hydrogen bonds and hydrophobic interactions. This study provides insights into the molecular interactions that assure the recruitment of DNA repair proteins.
Research suggests that cervical dilatation during labor for vaginal births can progress more slowly than the widely accepted benchmark of 1 cm/hour in many women. Women giving birth to their first child and progressing at the slowest rates may take up to 7 hours to reach full dilation.
Researchers developed a therapeutic complex based on multi-layer polymer nano-structures of superoxide dismutase (SOD) to effectively rehabilitate patients after acute spinal injuries, strokes, and heart attacks. The substance can neutralize free radicals and reduce swelling, promoting faster recovery.
Despite previous mixed conclusions, a large-scale study by University of York researchers found no evidence to support the theory that violent video games make players more violent. The team tested over 3,000 participants with varying levels of gaming realism, including 'ragdoll physics', and discovered no priming effect on aggression.
LJI researchers reveal LIGHT, a tumor necrosis factor super family member, drives skin inflammation in atopic dermatitis. The discovery provides a novel therapeutic target for the treatment of severe eczema. Therapies blocking LIGHT signaling may halt disease symptoms and reverse symptoms.
A new study from WCS, Duke University, and the Centre for Wildlife Studies in India found that communities near Rajasthan wildlife reserves show a high tolerance for wildlife. Despite experiencing losses, 85% of respondents believed protecting wildlife was important.
Research by Anglia Ruskin University reveals female fiddler crabs prioritize accelerating courtship displays over constant or slowing ones. The findings suggest that females value males' quality based on their ability to perform demanding activities, conserving energy until necessary.
Researchers at Osaka University have developed a novel catalytic system to split water and make hydrogen using normal sunlight. The new catalyst combines nanostructured black phosphorus for water reduction and bismuth vanadate for water oxidation, achieving an ideal 2:1 ratio of hydrogen and oxygen production.
Researchers discovered significantly smaller eyes and tails in fish from coral reefs subjected to intense commercial shark fishing, highlighting the impact of human-driven shark declines on marine ecosystems. This finding underscores the urgent need to understand the consequences of shark removals on ecosystem dynamics.
A national survey found that healthy and wealthy Americans dominate the market for mobile phone apps tracking sleep habits, with 28% of users reporting regular usage. The study suggests that these apps may offer a way to diagnose and treat sleep problems more effectively, but their value remains unclear.
Researchers used brain imaging techniques to study how infants process touch, finding that 7-month-old babies have a basic connection between 'self' and 'other.' This connection allows them to imitate and learn from others, and eventually develop empathy.
A study of 54,446 people found that obesity significantly increases the risk of suffering from both cancer and heart disease. Women are particularly vulnerable, with a 12 times greater risk of cancer and 5 times higher risk of cardiovascular disease compared to those with a normal weight.
A study published in JAMA found that bariatric surgery prolongs lifespan in obese individuals, with a 50% lower death rate compared to traditional medical treatment. The study tracked 33,540 obese individuals for up to 10 years and revealed that women have the majority of bariatric surgery.
A recent study has identified over 2,000 regulatory regions involved in learning that are strongly associated with autism. The research team found a genetic mutation linked to increased risk of developing autism in one of these regions, offering a promising new approach to diagnosis and treatment.
A team of researchers has devised a decoy molecule to disrupt the inception and persistence of pain memories. The RNA-based medicine reduces pain-associated behaviors by blocking the creation of pain-signaling proteins.
A new study published in the Journal of the American Geriatrics Society found that cognitive training improved memory scores by 35-40% in older adults with mild cognitive impairment, with benefits lasting six months. The training program, MEMO, also showed promise against dementia and depression.
Researchers identified G-CSF as a key player in the development of cocaine addiction, altering mice's desire for the drug but not other rewards. Manipulating G-CSF in the brain's reward center could reduce addiction-like behaviors, paving the way for new treatments.
The largest X-ray galaxy cluster ever discovered contains the mass of three million billion suns and is composed of two colliding clusters, with most mass hidden in dark matter. Hubble's observations also show that the hot gas is being torn from the dark matter during the collision.
Researchers have discovered a new material that slows down the decay of hot electrons in solar cells, allowing for more energy to be harvested. This could lead to a significant increase in solar cell efficiency, from 33% to 66%, and make a major contribution to providing clean and sustainable energy.
A retrospective cohort study found that women diagnosed with GDM have a significantly increased risk of developing type 2 diabetes, ischemic heart disease, and hypertension. The study highlights the importance of targeted risk factor management to improve long-term metabolic and cardiovascular outcomes.
A retrospective cohort study found that bariatric surgery is associated with a lower risk of death from any cause compared to nonsurgical obesity management. The study analyzed data from over 8,000 patients who underwent weight-loss surgery and 25,000 who received nonsurgical care.
ViLim Ball technology created by Lithuanian startup company Fidens helps reduce uncontrollable shaking hands and morning stiffness associated with essential tremor and rheumatoid arthritis. The device is effective in 7 out of 10 cases and has been tested with human subjects.
In southeastern Alaska, brown and black bears are the primary seed dispersers of berry-producing shrubs. Bears disperse approximately 200,000 devil's club seeds per square kilometer per hour through their scat. This discovery challenges long-held assumptions about bird involvement in seed dispersal.
Researchers confirmed a mechanistic link between HSD17B4 and treatment-resistant prostate cancer. The study found that men lacking a specific isoform of the gene are more susceptible to aggressive prostate cancer.
Researchers found that fish living downstream from sewage treatment plants must work at least 30% harder just to survive due to the presence of pharmaceuticals and other contaminants. This increased metabolic rate reduces their energy for vital functions such as movement, evading predators, and reproduction.
Researchers at the Donald Danforth Plant Science Center are studying the mechanisms behind cell-size control in Chlamydomonas reinhardtii, a unicellular green alga. The study aims to gain insights into how cell division is controlled in more complex organisms where it's harder to study the impacts of noise on cellular decision making.
A new study published in Child Development suggests that bilingualism may increase cognitive flexibility in kids with Autism Spectrum Disorders (ASD). Bilingual children with ASD outperformed their monolingual peers in shifting tasks, indicating a potential benefit of language exposure on executive functions.
A national survey of over 700 adults who helped manage common chronic illnesses found that many wish they could understand their loved one's condition better or get more involved in their care. However, health providers often fail to inform them or involve them in decisions, despite the potential benefits for patient success.
A study of 8947 African American and White students found that a non-discriminatory school climate and increased teacher diversity are associated with lower delinquent behavior scores. Perceived peer inclusion surprisingly increases delinquent behavior, highlighting the need for programs to incentivize teachers of color.
UConn researchers have created a biodegradable pressure sensor that can be implanted in the body to monitor conditions like chronic lung disease and swelling of the brain. The sensor emits a small electrical charge when pressure is applied, allowing for non-invasive monitoring and potential treatment via electrical stimulation.
A new carbon-based nanocomposite with embedded metal ions has shown impressive performance as a catalyst for electrolysis of water to generate hydrogen. The material's high catalytic activity and stability could lead to low-cost and efficient hydrogen production, a key step towards clean fuel.
Researchers found a link between PD-L1 expression in antigen presenting cells and clinical response to treatment in melanoma and ovarian cancer patients. This suggests that current biomarkers, such as tumor PD-L1 expression, may not be reliable indicators of immunotherapy efficacy.
A randomized controlled trial found that systematic bright light exposure improved sleep efficiency and self-reported sleep quality in fatigued cancer survivors. The intervention showed significant effects compared to dim light exposure.
A recent study at Tampere University found that an eNose can identify the most common bacteria causing soft tissue infections without prior sample preparation. The device differentiates between MRSA and MSSA with high accuracy, reducing treatment times and costs.
A study published in Seismological Research Letters found no correlation between great earthquake rates and lunar phases or day of the year. Large earthquakes were matched with lunar phase and day data to rule out random patterns, and no significant effects were detected.
Researchers found that resource-rich environments cause people to favor short-term relationships, leading to a 16% increase in preferences for short-term partnerships. Human behavior is influenced by environmental cues, and this study demonstrates the adaptability of relationship preferences in response to changing circumstances.
The HLF gene plays a crucial role in maintaining blood stem cells in a resting state, protecting them from exhaustion and external damage. This study provides new insights into the regulation of blood stem cell activity and its potential applications in bone marrow transplants.
A study by Marty Williams found that workhorse sweet corn hybrids consistently perform well across ideal and less-than-ideal growing conditions, making them a better choice for processors. The research suggests that the 'workhorse' hybrid is preferred over the 'racehorse' due to its stability in variable weather conditions.
Research reveals more than two thirds of central and northern Europe were once covered by trees, now down to a third. New forest initiatives may mitigate habitat change using ecological approaches and traditional farming practices.
A newly discovered dinosaur fossil from China contains evidence that a tiny bird-like dinosaur may have used its flashy neck feathers and a bony crest on its snout to attract mates. The discovery provides the earliest evidence of iridescence in dinosaurs, which is similar to that found in hummingbird species today.
A new study from Duke University Medical Center found that pregnant women in North Carolina experienced reduced secondhand smoke exposure since the passage of the 'smoking ban' in 2009. Despite overall reductions, racial and socioeconomic disparities persisted among African-American, unmarried, and less-educated women.
A high-salt diet reduces resting blood flow to the brain and causes dementia in mice, according to a new study. The study found that mice fed a high-salt diet developed dementia even when blood pressure did not rise, suggesting a direct link between salt intake and cognitive impairment.
A study of 6.7 million patients found postoperative mortality increased gradually as the day of surgery approached the weekend. The odds of death were 12% higher for Thursday operations and 24% higher for Friday operations compared to Monday operations.
The Engineering and Physical Sciences Research Council (EPSRC) has announced support for 28 groundbreaking research projects, ranging from autonomous vehicles to energy storage and healthcare technology. These projects have the potential to make a transformative impact in various fields.
Researchers at KAUST and TUM have successfully identified and characterized an enzyme from a brine pool in the Red Sea, which shows promising characteristics for commercial use. The study uses single-amplified genomes to produce proteins and provides a roadmap for mining molecular riches of extreme environments.
A study led by University of Utah researcher Lee Raby found that children who experience abuse and neglect early in life are more likely to struggle with social relationships and underachieve academically as adults. The study, published in Child Development, suggests that maltreatment's effects can persist from childhood through adoles...
Researchers at Clemson University aim to fortify computers and devices against cyberattacks using GPS spoofing, with potential effects on cell phones, power grids, and scientific data. The team plans to create a secure timing solution by securing GPS receivers and Network Time Protocol.
Researchers at the Centre for Genomic Regulation found that genome architecture influences gene expression during cell reprogramming. The study reveals that transcription factors promote chromatin changes before gene activation, suggesting a new role in controlling cell fate.
Researchers at the University of Pennsylvania have identified a new therapeutic target for melanoma, G protein-coupled estrogen receptor (GPER), which shows promise in combination with anti-PD-1 inhibitors. Activation of GPER may explain why women who have been pregnant have better survival outcomes when facing deadly skin cancer.
Researchers used AI-powered image analysis to help diagnose GPI anchor deficiencies, a group of rare diseases affecting mental retardation and distinctive facial features. The study suggests that computer-aided evaluation of patient portraits can facilitate improved diagnosis and potentially be applied to other diseases.
Tropical Cyclone Berguitta is moving southwest towards Mauritius with sustained winds of 85 knots. The storm's strength is expected to be maintained over the next day and a half due to warm sea surface temperatures.
Obese adults with type 2 diabetes who underwent gastric bypass surgery showed improved blood sugar control, cholesterol management, and reduced blood pressure after five years. However, the improvement in achieving these targets diminished over time, suggesting that longer follow-up is needed to understand the persistent benefits of we...
A new study by USC Schaeffer Center for Health Policy and Economics found that doctors' offices are the main source of prescription opioids, accounting for 83% of prescriptions in 2012. This contrasts with emergency departments, which accounted for only 4.4% of opioid prescriptions during the same period.
A study published in Pediatrics found that black children are more than twice as likely to die after surgery, with increased risks of ventilator use, oxygen support, and wound infections. The authors developed race-specific models to predict surgical outcomes and suggest interventions to reduce mortality rates
Researchers at Children's National Hospital have developed T-cells that can resist tumor-induced immune suppression, leading to sustained clinical responses in patients with relapsed Hodgkin lymphoma. The study shows promise for treating other types of immune-evading tumors.
A study of 575 older adults reveals that those with stronger physical abilities, such as faster walking speeds and better balance, have lower risk of death and shorter hospital stays. These findings suggest that pre-hospital strength can be an important predictor of outcomes in critically ill older adults.
Shale gas ranks seventh out of nine electricity options due to its significant environmental and social impacts. To become a more sustainable option, large improvements are needed, including reducing environmental impacts by 329-fold and increasing employment by 16 times.
The new laboratory will focus on advancing understanding in areas including number theory, mathematical analysis, biomathematics and financial mathematics. It represents the highest level of collaboration between French and UK mathematics communities.
Researchers have developed nanostructured surface coatings with anti-fouling properties without using toxic components, reducing costs for the aquaculture and shipping industries. The new materials utilize 'nanowrinkles' inspired by carnivorous plants to create slippery surfaces that prevent marine biofouling.
A study of over 1,200 women found that longer duration of breastfeeding was associated with a lower risk of developing type 2 diabetes later in life. The study, which followed participants for 30 years, used laboratory testing to screen for diabetes and found greater reductions in risk for mothers who breastfed for longer periods.
A 30-year study by Kaiser Permanente found that breastfeeding duration is associated with a reduced risk of developing type 2 diabetes. Women who breastfed for six months or more had a 47 percent reduction in their risk of developing type 2 diabetes compared to those who did not breastfeed at all.
Researchers have found a new mechanism of immunotherapy resistance that appears to be reversible, potentially enhancing the effect of current therapies. The approach targets a signaling pathway within the tumor microenvironment, which is manipulated by melanomas to silence dendritic cells.
A study in mice suggests that West Nile virus infection can lead to persistent neurological problems due to unresolved inflammation. Targeting this inflammation with an arthritis drug may prevent some of these problems with memory.
Researchers at Harvard University have developed a faster method for manufacturing 'heart-on-a-chip', allowing for quicker testing of new drugs on engineered human heart tissue. This new approach aims to reduce cardiac toxicity and improve the predictability of drug effects, paving the way for safer clinical trials.
Researchers from Brazil, China, and Italy developed a model to map the phases of coesite formation, a polymorph of silica that occurs under high pressure. The study uses atomic computer simulation to describe the interactions among atoms and the transformations resulting from pressure changes.
The researchers have designed non-planar vertical semiconductor fin-like structures that are laterally interconnected to form wavy transistor arrays. This design widens the transistors by 70% without expanding their occupied pixel area, doubling the transistor performance.
A new method using sunlight to split atmospheric nitrogen molecules could drastically cut the energy needed for fertilizer production. Researchers at Princeton University used computer simulations to model light's behavior in tiny structures made from gold and molybdenum, which concentrates light energy to boost a catalyst's power.
Researchers found that participants were more likely to collaborate when they could alter the structure of a network and had a pattern of relationships with multiple connections. This study aims to better explain the drivers of collaboration and has implications for various settings, including the workplace and the battlefield.
Scientists at Berkeley Lab study exotic material's properties, revealing chirality in polar vortices. This property could enable new forms of data storage by controlling left- or right-handedness in materials, similar to magnetic materials storing data as ones or zeros.
Researchers use a new method called magic pools to study hundreds of transposon systems in parallel, speeding up the process of identifying functional transposons. This approach enables scientists to test multiple genetic variants simultaneously, reducing the trial and error process and accelerating the development of new genetic tools.
Researchers from FAU are studying German cities' bids for European Capital of Culture to understand the impact on EU culture and identity. Initial findings suggest that cities prioritize cooperation over competition, highlighting the initiative's potential as a counter-balance to EU politics.
Researchers used drones to count olive ridley sea turtles in Costa Rican waters, estimating densities of up to 2,086 animals per square kilometer. This method provides a safe and cost-effective alternative to traditional methods, revealing crucial insights for conservation and research.
CONIX Research Center aims to develop novel architectures for large-scale, distributed computing systems with implications for social interaction, smart buildings and infrastructure. The center will create a substrate for networked computing that connects edge devices to the cloud, enabling performance, security, and privacy guarantees.
The RUN2RAIL project aims to develop lighter, more reliable, comfortable, and quieter rolling stock by investigating novel materials and manufacturing processes. Carbon fibre frames and key components made using 3D printing technology are expected to reduce weight and improve designs.
A large study has found a significant link between severe gum disease and an increased risk of cancer, particularly lung and colorectal cancer. The study, which used data from over 7,400 participants, found that those with advanced gum disease were 24% more likely to develop cancer than those without.
A new study introduces a fully 3D-printed whisker sensor that detects underwater vortexes with high sensitivity. The sensor's design, made of polyurethane, graphene, and copper tape, mimics the whiskers of a sea animal.
Scientists have discovered that a gene crucial for learning, called Arc, can send its genetic material from one neuron to another by employing a strategy commonly used by viruses. This new process may allow the toxic proteins responsible for Alzheimer's disease to spread through the brain.
Researchers at the University of Würzburg have discovered how honeybees manage to visit flowers at the right time and communicate this information to other bees. The study found that a specific peptide called PDF plays a central role in regulating circadian clocks, transferring day-night information to brain areas that control complex ...
Researchers have identified EXD2 as a critical regulator of mitochondrial protein production, which is essential for energy generation and maintaining cellular homeostasis. The study found that EXD2 targets messenger RNA to facilitate the maturation of the mitochondrial ribosome, leading to increased protein production.
Researchers at University of Wisconsin-Madison have developed an improved gene delivery tactic for treating glaucoma, a leading blinding disease. The new method doubles the transfer of genes entering target cells and spreads them more uniformly across the trabecular meshwork tissue.
A study found an increasing trend in self-reported cognitive impairment among older adults, with higher rates among Asian Americans, Blacks, Hispanics, and Native Americans compared to Whites. However, the overall rate of self-reported cognitive impairment remained low, suggesting underreporting.
A new study published in PLOS Medicine provides a more accurate representation of site- and regional-level mortality among people on HIV therapy in Zambia. The research found that mortality is substantially underreported in routine provincial program data, leading to a change in the ranking of provinces by mortality rates.
Frequent internet users see themselves as 'free agents' and are less likely to choose a religious tradition. Internet use encourages 'tinkering' with religious ideas, leading to a broader array of beliefs.
Researchers at AgeX Therapeutics, Insilico Medicine, and the Biogerontology Research Foundation used deep learning techniques to analyze gene expression data in embryonic stem cells. They identified genes, including COX7A1, that contribute to the regenerative capacity of embryos and ESCs, with potential applications in cancer therapies.
Research found that women diagnosed with GDM were over 20 times more likely to develop type 2 diabetes, nearly twice as likely to develop hypertension, and almost twice as likely to develop ischemic heart disease. The study highlights the need for targeted risk factor management to improve long-term metabolic and cardiovascular outcomes.
A new study suggests that specific bile acids can turn white fat cells into beige fat cells, which burn energy and help maintain body temperature. The discovery provides a potential new therapeutic intervention for obese individuals, bypassing the need for invasive treatments.
Researchers have developed a method to integrate genetic data from multiple studies to assess risk factors for diseases like type two diabetes and heart disease. The study identified 45 potentially causal associations between health risk factors and diseases.
Researchers at ETH Zurich investigate extreme winter weather events that led to unprecedented sea ice melting. A unique combination of air currents and high-pressure systems accelerated the melting, reducing sea ice thickness by 30 centimeters in some areas.
Researchers found that jazz pianists' brains plan movements differently than classical pianists, with a focus on improvisation and flexibility. Classical pianists, on the other hand, prioritize technique and expression, leading to differences in brain activity when playing the same piece.
A consortium of UK and European universities will test the validity of quantum superposition principle using a tiny glass particle levitated in a vacuum. The experiment aims to determine if quantum mechanics apply at larger scales, with implications for quantum technology applications.
A study by University of East Anglia and Nottingham Trent University found that Olympic success leads to decreased trading volumes in major economies. However, stock market returns remain largely unaffected. The researchers suggest that investors' distraction is the primary reason for this decrease.
The newly discovered species of dinosaur, Caihong juji, had rainbow-colored feathers that shimmered and shifted in the light. Its unique feather structure was matched to modern birds with similarly shaped melanosomes, indicating a prehistoric version of a peacock's iridescent tail.
Scientists discover that training precursor cells in the bone marrow with beta-glucan leads to a sustained positive response of the hematopoietic system. This effect could help accelerate the formation of new white blood cells, which are vital during chemotherapy.
A study of 171 patients with uncontrolled Tourette syndrome found that deep brain stimulation resulted in a 45% improvement in tic severity one year after treatment. However, the procedure was associated with adverse events such as dysarthria and paresthesias in 35.4% of patients.
Researchers from Swiss Federal Laboratories for Materials Science and Technology (EMPA) have developed a new insulating material using microscopic bubbles, creating an ultra-insulating brick called Aerobrick. This innovation outperforms traditional insulation methods by up to 35%.
Researchers used evolutionary dynamics to analyze malignant mutations in colorectal and intestinal cancers, finding that cancer stem cells can produce substantially different daughter cells with potential positive or negative impacts on cancer progression.
A study by the University of Granada finds that evictions have a significant impact on mental health, with high levels of anxiety (88%) and depression (91%). Women are more likely to experience acute symptoms of anxiety and depression than men.
A new multi-institution report offers agronomic data for five cellulosic feedstocks, including switchgrass, Miscanthus, and sorghum. The study provides yield potential maps across the US, highlighting areas with high yield potential, but also notes limitations due to droughts and fertilizer application.
Research reveals that evening hours are a high-risk time for overeating, particularly among individuals prone to binge eating. The study found that stress levels spike in the evening, increasing hunger hormone ghrelin and decreasing satiety hormone peptide YY.
A new financial services tribunal is proposed to fill the gap in resolving mid-market disputes between financial institutions and small and medium-sized enterprises. The tribunal could increase international demand for English credit, reduce compliance costs, and improve innovation and growth.
Plague bacteria survive and replicate for up to 48 hours inside an amoeba, replicating and thriving in a way most bacteria do not. The discovery sheds new light on the persistence of plague outbreaks, which can smolder for years before re-emerging with a vengeance.