A DNA study of bacteria samples from the 2012 Edinburgh outbreak found four subtypes of Legionella that probably existed at the source for months. The genetic diversity of these bacteria suggests that tracing future infections may be challenging, with possible influences on disease severity.
A team of researchers from Plymouth University is studying a protein called Bim, which causes cell death in the brain and regulates autophagy and apoptosis. They aim to understand how Bim levels increase in Huntington's disease and test the effectiveness of a Bim-derived peptide in treating the disease.
Researchers have calculated the size of Mars' glaciers using radar observations and ice flow modeling. The ice is found in belts around the planet, between latitudes 300-500, and is equivalent to covering the entire surface with 1.1 meters of ice.
A study of over 13,000 twins found that genetic inheritance can explain 40-50% of the differences in children's motivation to learn. The results suggest that personality differences inherited from parents have a major impact on motivation, challenging the idea that environment is solely responsible.
Researchers at Argonne National Laboratory have gained a clearer understanding of the origin recognition complex (ORC), a protein complex that directs DNA replication. The crystal structure shows how ORC's main body has five subunits, including one that protrudes from the core to contact another subunit.
A new study reveals that gay and lesbian job seekers are 5% less likely to receive job interview invitations in the UK compared to heterosexual applicants. The study found significant disparities in job offers across various sectors, with gay men facing the most challenges in traditionally male-dominated occupations.
A new study found that combining traditional assessment tools with data from nurses' assessments significantly improves the ability to predict survival in cirrhosis patients. This may help improve patient outcomes by identifying patients who can benefit from rehabilitation and intensifying their nutritional support.
A study using agent-based modeling found that providing systems to low-income households at little or no cost would have done more to stimulate rooftop solar system adoption than the current incentive-based approach. Increasing economic benefits and peer influence also showed modest effects on adoption rates.
Researchers at MIT and Whitehead Institute discover that glioblastoma cells rely on enzyme GLDC to break down glycine, which can be exploited to kill cancer cells. Blocking GLDC activity could offer a new approach to combating brain tumors.
Researchers found a negative relation between atmospheric nitrogen emissions and plant diversity in Switzerland, with a 19% loss in phylogenetic diversity. High nitrogen deposition favors few highly competitive species, leading to decreased overall plant diversity.
A new study by Heather Mattila reveals that inadequate access to pollen during larval development has lasting effects on adult honey bees' performance and productivity. The study found that pollen-stressed bees were lighter, died younger, and had impaired foraging and waggle dancing abilities.
A new suite of interactive mini-apps called Intellicare provides personalized therapy for depression and anxiety. The app uses a recommender system to suggest tailored apps based on user feedback and preferences.
A team of researchers used various techniques to study niobium diselenide, a material that exhibits short-range charge density wave order and pseudogap behavior across large temperature ranges. They found that increasing temperature or doping leads to the loss of coherent electronic excitations and the emergence of an energy gap.
A single infusion of the experimental 3BNC117 antibody significantly reduced HIV levels in infected individuals, with some remaining sensitive to the antibody for up to 28 days. The study's findings suggest that 3BNC117 is safe and potentially effective in controlling HIV levels.
Tropical Cyclone Ikola's winds decreased to 35 knots after being affected by strong northwesterly vertical wind shear. The storm's dissipation was predicted by the Joint Typhoon Warning Center, with its maximum sustained winds weakening rapidly.
Researchers have identified a new compound produced by freshwater bacteria that is effective against drug-resistant tuberculosis and other infections. The discovery provides a promising alternative to current treatments and could help combat the growing threat of antimicrobial resistance worldwide.
A new study published in the Endocrine Society's Journal of Clinical Endocrinology & Metabolism found that pesticide exposure contributes to heightened cardiovascular disease risk and inflammation in premenopausal women. The research suggests that endocrine-disrupting chemicals like DDT can aggravate complications of obesity, including...
Astronomers have detected large amounts of complex organic molecules, including methyl cyanide, in the protoplanetary disc surrounding young star MWC 480. This discovery suggests that these molecules are common in the universe and may be delivered to environments nurturing life.
A new study simulates Cabo Verde's public health using a computer model to predict the spread of disease and the efficacy of interventions. The results suggest that accelerating four efforts already underway across the country could reduce annual new HIV cases below 10 per 10,000 residents.
Researchers at UCSF have visualized the TRPA1 protein, also known as the 'wasabi receptor', at near-atomic resolution. This discovery provides valuable insight into how anti-inflammatory pain drugs can be designed to target this receptor.
A new computer simulation approach found that muscles play a bigger role in injury risk and prevention than previously thought. The study shows that individual pitchers can be at high or low risk of elbow injury depending on their muscle strength, highlighting the importance of targeted training and accurate assessments.
A study of 32,501 melanoma cases found that 1 in 5 patients experienced a delay of surgery lasting longer than 1.5 months. Surgical delays were more common among older patients and those with prior melanoma or multiple medical conditions.
A test for 77 genetic risk factors showed a significant link between a woman's polygenic risk score and her breast cancer risk, with those in the top 20% being 1.8 times more likely to develop breast cancer than average women.
A study published in PLOS ONE created a 3D model of the Chinese giant salamander's bite, revealing its feeding mechanism involves capturing prey in front and biting quickly to the side when approaching. The analysis shows the salamander's unique skull architecture may be related to this ability.
A nationwide study in Sweden found that men convicted of sex crimes are more likely to have relatives who also commit similar offenses due to genetic factors. The study suggests a substantial family risk increase and may inform preventive treatment strategies.
Scientists discover complex organic molecules in a protoplanetary disk surrounding a young star, hinting at the universality of prebiotic chemistry. The presence of these molecules, particularly methyl cyanide, suggests that protoplanetary disks are efficient factories for forming complex organic compounds.
The Maternal and Child Health Handbook helped increase antenatal care visits, identify pregnancy complications earlier, and reduce passive smoking in Mongolia. The study found that 82% of women attended clinics 6 times or more, with a significant impact on maternal and child health.
A University of Colorado Cancer Center opinion argues that announcing the causality could save lives. The link between UV tanning and skin cancer is supported by eight out of nine criteria used to determine a causal relationship in disease, including strength of association, consistency of association, and temporality.
Coral reefs can recover if a minimum target of 500 kilograms of fish biomass per hectare is maintained. The study found that most degraded reefs lack key species and require time for recovery, with estimated times ranging from 35 to 59 years.
A new study published in the Genetics journal estimated that humans carry an average of one to two recessive disease mutations, which can cause severe genetic disorders or prenatal death. The study used a unique community's detailed family histories and genealogical records to estimate the number of mutations per person.
A new variety of broccoli, enriched with glucoraphanin, has been shown to reduce blood LDL-cholesterol levels by an average of 6%. The compound is converted into sulphuraphane in the body, which activates genes that help balance metabolism and reduce cholesterol production.
Researchers at University of Maryland generate new isotopic fingerprint of the moon, reconciling accepted model with surprisingly similar Earth and moon fingerprints. The findings suggest a thorough mixing of debris before forming the moon, supporting an explosive and interconnected past.
A study by Professor Rama Khokha found that genetically modified mice without TIMP1 and TIMP3 experienced youthful breast tissue, with stem cells remaining functional throughout their lifetime. The results challenge the assumption that large numbers of stem cells increase cancer risk.
A team of researchers from the University of Cambridge has proposed that electromagnetic waves are generated by symmetry breaking in dielectric materials. This discovery could enable ultra-small antennas for wireless communications and aid understanding of electromagnetism and quantum mechanics crossover.
A study published by the American Academy of Neurology found that people who participated in arts, crafts, and social activities in middle and old age were less likely to develop mild cognitive impairment (MCI) compared to those who did not. Computer use was also associated with a reduced risk of MCI.
A study found that the PIK3CA gene mutation, previously thought to be a promising target for breast cancer treatment, may not drive the disease. Instead, it appears to be associated with benign proliferation. This new information will impact future drug development and replication studies.
Researchers found that northern Europeans rejected farming during the Neolithic period, unlike southern and central regions which adopted it. This discovery reveals two cultural trajectories in Europe thousands of years ago.
A study published in Science Translational Medicine found that Wolbachia can block dengue virus infection in mosquitoes, leading to a significant reduction in transmission. The discovery has the potential to improve strategies for controlling dengue outbreaks, particularly in regions with low or moderate intensity of transmission.
A National Institutes of Health study found that an over-the-counter allergy medication, chlorcyclizine HCl (CCZ), limits hepatitis C virus activity in infected mice. The results suggest CCZ could be used to treat the virus in people, potentially providing an affordable alternative to costly options.
Researchers have successfully slowed down light to 180 km/h using a glass fiber, allowing for the storage of photons and potentially enabling quantum communication over long distances. This breakthrough technology uses cesium atoms coupled to an ultrathin glass fiber to transfer photon information in a controlled manner.
A study by San Diego State University scientists found that children with autism have overdeveloped connections between the cerebral cortex and cerebellum, affecting brain function. This early development leads to muscle in on brain real estate for higher cognitive functions.
A study found that butterflies, such as Oakblue butterflies, use various chemical strategies to mimic plants and avoid ant attacks. The larvae are able to survive on specific plant species without being attacked by the ants.
The study of over 160,000 postmenopausal women revealed no significant link between lung cancer risk and reproductive history or hormone therapy. However, some subgroups showed reduced risks for specific types of lung cancer, emphasizing the need for further research into complex relationships.
A new study published in the New England Journal of Medicine found a direct link between shorter height and higher risk of coronary heart disease. The research, led by Professor Sir Nilesh Samani, used genetic data to show that every 2.5 inches change in height increased the risk by 13.5%.
Scientists investigate how cheese affects gut health and cholesterol levels, finding a link between high cheese consumption and reduced 'bad' cholesterol. Recent studies have cast doubt on the notion that saturated fats are harmful, and this research further supports a role for dairy products in maintaining heart health.
A new study led by Monash researcher Dr Pascal Molenberghs found that brain activity in the lateral orbitofrontal cortex increases with guilt when participants imagine unjustified violence, but not when imagining justified violence. The research provides insights into how people justify extreme violence in certain situations, such as war.
Osteoporosis-related fractures in China are expected to double by 2035, with costs rising to approximately US$25.58 billion by 2050. The study also found that women account for 73% of total costs, sustaining three times more fractures than men.
Researchers using brain-controlled prosthetics can gain real-time feedback on neural activity, allowing for the study of how the brain encodes information and changes with learning. This technology holds promise for developing new treatments for epilepsy, Parkinson's disease, and other neurological disorders.
A new study estimates that using a diagnostic test for candidemia can reduce hospital costs by up to $5,858,448 per year. The T2Candida Panel provides species-specific Candida detection and identification directly from whole blood in 3-5 hours.
A magnetic resonance imaging (MRI)-based screening program identified pancreatic lesions in 40% of high-risk patients, with 5 requiring surgery. The study suggests that MRI can detect cancer or premalignant lesions with good accuracy, reducing costs and increasing availability compared to more aggressive methods.
Researchers from CSIC have determined the orbit of Annama, a new characterized meteorite, and found similarities with a potentially dangerous asteroid. The study suggests that Annama may be linked to an asteroid of about 400 meters in diameter, posing a potential threat to Earth.
A study by Umea University found that stroke patients have a double risk of attempted suicide compared to the general population. The risk is highest among those under 55 years old and those with low education or income.
A study by UNSW medical researchers found that maternal exercise during pregnancy reduced offspring's body weight, insulin and blood glucose levels in male rats. Female offspring showed only modest improvements, highlighting the sex-specific effects of maternal exercise on metabolism.
A study found that individuals on insulin experienced significantly higher levels of inflammation compared to those living in lower traffic areas. People taking oral diabetes medications did not show the same increase in inflammation, suggesting a potential protective effect.
A study by biologists and public health experts finds that nature exposure is linked to improved human health, but the optimal dose of nature is unclear. The researchers propose a new approach to studying nature exposure through dose-response modeling, which could help develop recommendations for enhancing human health in urban areas.
Tropical Cyclone Joalane's clouds were analyzed by NASA and the Japan Aerospace Exploration Agency using the Global Precipitation Measurement satellite. The study found intense convective thunderstorms dropping rain at a rate of over 63 mm per hour, with storm tops reaching altitudes of up to 17.4 km.
Scientists predict a gradual, prolonged release of greenhouse gases from permafrost soils in Arctic and sub-Arctic regions. The rate of release is likely to be similar to current tropical deforestation levels, emphasizing the need for climate models to incorporate this factor.
Researchers at UAB have created an artificial virus that can self-assemble, surround DNA fragments, and reach the nucleus of cells without biological risk. This innovation provides a promising alternative to traditional viruses in gene therapy, enabling the efficient delivery of therapeutic DNA and drugs directly to target cells.
Researchers discovered that alternating low doses of two antibiotics can kill bacteria while promoting the emergence of drug-resistance mutations. This sequential treatment approach, called 'sequential synergies,' may provide a way to sensitize bacteria to concentrations of antibiotics that would normally induce resistance.
Researchers found a potent antibody, 3BNC117, can dramatically reduce viral loads in HIV-infected individuals by catching the virus off guard. The treatment was well-tolerated and effective, with some individuals experiencing sustained reductions in viral loads.
Researchers uncover organic compounds in fracking fluid, including biocides and surfactants, which can contaminate groundwater. The study provides a basis for water testing and future regulation, addressing the public awareness of fracking's environmental impact.
A recent study published in Psychosomatic Medicine found that mental disorders and physical diseases often co-occur in teenagers. The strongest correlations were found between affective disorders (e.g. depression) and diseases of the digestive system, as well as anxiety disorders and arthritis. These associations highlight the need for...
Researchers from Poland and the US turn disc fragments into activated carbon with high surface areas, capturing carbon dioxide, hydrogen gas, and benzene. The material could be used for carbon capture applications and separate volatile organic compounds.
A study found that approximately 9% of adults in the US have a history of impulsive angry behavior and own or have access to firearms, with young middle-aged men being more likely to carry guns outside their homes.
Scientists have isolated bacteria that inhibit the growth of the white-nose syndrome fungus in laboratory tests. The bacteria may help protect bats from the disease when treated with a bacterial spray applied during hibernation.
A new study published in the Journal of Hepatology shows that exercise, regardless of frequency or intensity, benefits obese and overweight adults with non-alcoholic fatty liver disease (NAFLD). Both aerobic and resistance training-based exercise regimens reduce liver fat and visceral fat. The improvement was independent of weight loss.
Researchers at the Norwegian University of Science and Technology have discovered that ordinary clay can effectively capture carbon dioxide (CO2), rivaling other materials used for this purpose. The smectite clay's surface is responsible for binding CO2, with ions associated with the surface being the active capturers.
Researchers at UTMB have developed an Ebola vaccine that is both safe and effective with a single dose, providing protection against the deadly virus. The new vaccine employs a 'Trojan horse' approach, using a weakened form of the virus to trigger an immune response.
A comparison study found that IVFpredict is more accurate than the Templeton method in predicting the chances of successful live births after IVF treatment. The study analyzed data from 130,960 IVF cycles and showed that both models underestimated live birth rates, but IVFpredict remained more accurate.
Researchers say there is enough evidence to declare indoor UV radiation tanning causes skin cancer. The authors urge the US Surgeon General to make a stronger statement regarding UV tanning devices, citing eight out of nine Bradford Hill criteria as satisfied.
A new study shows that playing a synchronized game on a computer increased children's sense of similarity and closeness immediately after the activity. The findings suggest that time-based synchronized activities, including in music, dance and sports, could be useful tools in bringing children closer together.
Researchers at Cold Spring Harbor Laboratory have discovered that tumor cells can form tubular networks resembling blood vessels, facilitating metastasis in breast cancer. This phenomenon, known as vascular mimicry, allows tumor cells to access the bloodstream and colonize new sites.
Scientists have discovered a nearly-annual cycle of solar activity that can drive space weather events, including solar storms at Earth. This discovery could improve forecasts of space weather by understanding the interaction between magnetic field bands on the sun.
A study published in JAMA Psychiatry found that rural African-American women had lower rates of major depressive disorder (MDD) and mood disorder compared to their urban counterparts. In contrast, rural non-Hispanic white women had higher rates of MDD and mood disorder. The findings suggest the need for further research into the correl...
Research finds that UK food banks are more likely to open in areas with high unemployment rates and greater central government welfare cuts. This is associated with a higher rate of people seeking emergency food assistance.
Researchers have elucidated the structure of two adiponectin receptors, revealing a completely new type unlike G protein-coupled receptors. The discovery may lead to new adiponectin receptor agonists for treating obesity-related diseases like type 2 diabetes.
A University of California, Davis study found that the Ising model can explain synchronous events like fruit tree boom and bust years and insect outbreaks. The model applies to understanding population dynamics and has broader implications for extinction and disease.
Research at Duke University Medical Center found that increasing bacterial and worm diversity in the digestive tract enhances immune function, with better responses to vaccination and increased natural antibody production. The study suggests that biome enrichment may serve as an 'immune trainer' to improve overall health.
A University of Calgary study found that rats fed a fibre supplement while on a high fat and high sugar diet showed a much lower weight gain than those who did not eat the fibre. The study suggests that oligofructose, a naturally occurring dietary fibre, may help reduce weight gain by affecting gut microbiota and gut hormones.
In a pilot study, older adults aged 60+ reduced their sitting time by an average of 27 minutes per day through coaching. Participants reported improved ability to perform everyday tasks and fewer symptoms of depression. The study suggests that reducing sedentary behavior in older adults could have significant health benefits.
At American University, chemistry majors take charge of their research projects, allowing them to develop skills in problem-solving, critical thinking, and self-motivation. The program's success has led to improved student engagement and satisfaction, with some students publishing research articles and receiving grants.
Researchers found that plants like peppermint take up high concentrations of nicotine from cigarette smoke and contaminated soils. This discovery may explain the presence of high levels of nicotine in spices, herbal teas, and medicinal plants.
Researchers analyzed ancient ornamental beads to understand cultural interactions during farming's introduction in Europe. North European populations showed resistance to new bead types, maintaining the same personal ornaments for centuries.
A Yale University-led team has compiled sophisticated data on the signaling networks directing highly invasive cancer cells. They found that breast cancer cells prioritize certain cues in the presence of others and can switch their migration mode depending on what they see from the environment.
Researchers at Purdue University have developed a new method to mass-produce electronic circuits made of liquid-metal alloys using inkjet printing. This technology enables the creation of stretchable garments and pliable robots that can interact with computers or provide therapeutic benefits. The approach involves dispersing liquid met...
The study found a strong correlation between men's endurance running ability and prenatal testosterone exposure, with good runners having greater reproductive potential. Researchers suggest that female selection for athletic endurance in males may have been driven by the importance of persistence hunting in hunter-gatherer societies.
A Yale study found that one in five Medicare patients with melanoma experience significant delays in getting surgery, affecting their psychological well-being and healthcare quality. The study analyzed data from over 32,000 Medicare patients and revealed that 22% waited longer than 1.5 months for treatment.
A pioneering new technique using sequential treatments may help combat the rise of antibiotic-resistant bacteria by killing them at lower doses than usual. This approach reduces the risk of bacteria becoming resistant to antibiotics, maintaining long-term effectiveness.
A global study found that nearly 83% of fished coral reefs have lost more than half their fish biomass, highlighting the need for effective management and conservation strategies. Marine reserves can recover fish populations in approximately 35 years, while heavily depleted reefs take around 60 years to recover.
Researchers have discovered an enzyme that catalyzes the formation of a natural insecticide, Spinosyn A, at lower temperatures than previously thought. The new mechanism reveals how the enzyme guides the substrate towards the transition state, resulting in a more energetically balanced reaction.
Researchers at Ruhr-University Bochum propose a new model for emotion recognition, suggesting that humans can directly recognize emotions through pattern recognition. Even with sparse clues, humans can identify typical emotion patterns, including physiological reactions and facial expressions.
A new study by ETH Zurich researchers has identified a critical link between oxidative stress and the immune system's ability to fight off viruses. Vitamin E was shown to be effective in protecting T cells from cell death caused by oxidative stress, a breakthrough that could have implications for treating chronic infections.