A Scripps Institution of Oceanography study reveals that corals exposed to cold temperatures suffer greater growth impairment and measurable damage compared to those subjected to heat. However, corals are able to adjust to cool conditions over time, whereas prolonged heat stress leads to severe bleaching and growth stoppage.
Astronomers use gravitational lensing to study a vigorously forming galaxy, revealing regions of intense star formation. The team aims to analyze these star-forming regions through spectroscopy to understand their formation mechanisms.
The CERES instrument has begun scanning Earth, providing a long-term record of the energy balance and helping scientists understand climate change. The satellite's data will aid in monitoring minute changes in the Earth's energy budget, which is critical for understanding how human activities impact the planet.
Engineers at Johns Hopkins University are using high-speed video cameras to study butterfly flight and develop more agile micro aerial vehicles (MAVs) for reconnaissance and search-and-rescue missions. Their research reveals that changes in spatial distribution of mass associated with wing flapping play a crucial role in insect flight,...
A new NIH study reveals that resveratrol's health benefits come from inhibiting phosphodiesterases (PDEs), not directly activating sirtuin 1. This finding may pave the way for resveratrol-based medicines and offer alternative treatments for diseases like type 2 diabetes, Alzheimer's disease, and heart disease.
A recent study by researchers at NESCent found that larger plant size can lead to bigger, more plentiful blooms, but accounting for overall size differences is crucial in detecting tradeoffs. The study tested three hypotheses and concluded that flower size-number tradeoffs are harder to spot due to various reasons.
New research from the Institute for Health Metrics and Evaluation reveals that more than 1.2 million people died from malaria worldwide in 2010, with 42% of those deaths occurring in older children and adults. The study found that anti-malaria drugs and insecticide-treated bed nets have driven a rapid decline in mortality rates.
Researchers have discovered new mechanisms by which RNA drugs can control gene activity, including binding to Argonaute proteins and other forms of non-coding RNAs. This breakthrough provides exciting new options for targeting emerging forms of non-coding RNAs and pre-mRNAs.
Researchers recommend a stop-and-go approach to balance oxaliplatin dose with neurological side effects, maximizing effectiveness while minimizing harm. Supplements such as calcium and magnesium may mitigate drug damage, improving patient outcomes.
A team of researchers at the University of Dundee has identified fexinidazole as a possible new treatment for visceral leishmaniasis, a disease affecting 500,000 people in Africa, Asia, and Latin America. The drug showed a greater than 98% rate of suppressing infection in mice, comparable to current treatments.
Researchers found high triglyceride levels strongly predict ischemic stroke in postmenopausal women, exceeding the risk associated with cholesterol levels. The study analyzed data from over 900 women who experienced strokes, revealing a nearly two-fold increased risk for those in the highest triglyceride quartile.
Scientists have discovered a 20-million-year-old fossil of a bat fly, which has been entombed in amber and preserved its details. The find reveals that bat flies have been parasitizing bats for at least half as long as the mammal group has existed.
Research published in Hepatology found that moderate coffee consumption decreases the risk of advanced fibrosis in NASH patients. The study also showed a significant correlation between coffee intake and reduced risk of hepatic fibrosis, particularly among patients with NASH stage 0-1.
Researchers at the University of Washington have advanced a technique called metagenomics, allowing them to single out a marine microorganism and map its genome even though it comprised only 7 percent of a water sample. The resulting genome offers hints that Euryarchaeota might serve as a cleanup crew after diatoms bloom and die.
Researchers found early childhood growth influences adult bone density, with significant contributions from birth size and height growth. Childhood nutrition plays a crucial role in preventing adult bone disease like osteoporosis.
Researchers Dr. Allen W. Wilhite and Dr. Eric A. Fong found that journal editors coerce authors into adding unnecessary citations to articles in the same journal for increased ranking and prestige. The study analyzed 6,672 responses from researchers in various fields, revealing a widespread practice among editors.
Researchers at the University of Manchester have created a transistor that may prove graphene's potential as the next silicon for computer chips. The new device uses a vertical direction and exploits graphene's unique features to overcome current leakage issues.
The ICTP South American Institute for Fundamental Research (ICTP-SAIFR) will focus on areas like gravitation, particle physics, and field theory. The center will host visiting researchers, organize schools and workshops for PhD students, and hire permanent professors to promote scientific excellence in South America.
Researchers are tapping into photosynthesis to efficiently produce highly valuable products, including biofuels and pharmaceuticals. This innovative approach could lead to a more sustainable future by utilizing sunlight as a renewable energy source.
Cell biologists have identified key steps in how small molecules alter a cell's skeletal shape and drive cell movement. By manipulating the cell membrane, researchers created ruffles that helped pull cells across surfaces, a process previously difficult to recreate.
Millisecond pulsars lose half of their rotational energy during mass-transfer process, explaining apparent age paradox and absence of sub-millisecond radio pulsars. This result is in agreement with current observations and helps resolve the 'turn-off' problem in stellar astrophysics.
A University of Innsbruck study found that interventions to promote women in competition increased their participation rates, particularly among highly qualified women. The experiment showed no negative impact on teamwork or efficiency.
Researchers caution against relying solely on computerized neuropsychological tests (CNT) to determine when athletes can safely return to play after a concussion. The tests may not accurately measure an athlete's brain function and could lead to premature return, posing risks such as chronic traumatic encephalopathy and death.
A new DNA-based prenatal blood test can identify pregnancies with Down syndrome, Edwards syndrome (trisomy 18), and Patau syndrome (trisomy 13). The test was found to be highly effective in detecting these conditions, with a detection rate of 100% for trisomy 18 and 91.7% for trisomy 13.
A recent study published in The Endocrine Society's Journal of Clinical Endocrinology & Metabolism found that intermittent exercise with low oxygen concentrations significantly improves glycemic control in patients with type 2 diabetes. Exercise under hypoxic conditions provides greater improvements than intermittent exercise alone.
Researchers at Sanford-Burnham identified a molecular switch, controlled by protein kinase C-epsilon, that enables melanoma cells to resist chemotherapy. High levels of PKC-epsilon in melanoma are associated with poor prognosis and increased tumor-promoting activity.
A recent study found that the STAT3 gene is activated in some non-small cell lung cancer cell lines by the JAK2 protein, which may not be effectively inhibited by drugs targeting specific mutations. This suggests a potential role for combination therapy to combat NSCLC driven by STAT3-JAK2 signaling.
A new study from Rice University and Clemson University found that hand counting of votes can result in error rates of up to 2 percent, emphasizing the importance of well-specified manual auditing procedures. The research also showed that division of labor among group counting members can help reduce errors.
Monocytes are extremely sensitive to reactive oxygen species (ROS), while macrophages and dendritic cells derived from monocytes are resistant due to their defective DNA repair mechanisms. This sensitivity may play a role in regulating the immune response and preventing excessive ROS production.
Researchers developed a highly sensitive blood test for detecting and analyzing circulating tumor cells (CTCs) in cancer patients. The 'biopsy in a blood test' provides information comparable to surgical biopsies, enabling better monitoring, prediction, and understanding of cancer progression.
Researchers will monitor the Cascadia subduction zone's strain buildup using a new seafloor geodesy observatory. This data will aid in modeling fault slip and predicting tsunami heights, ultimately informing city planners and emergency response managers.
Researchers found a significant association between chronically elevated glucose levels and minute levels of troponin T, a blood marker for heart damage. The high-sensitivity test detected low levels of cTnT in 66% of the study population, suggesting potential pathways for diabetes-related heart disease.
Researchers at the Max Planck Institute for Chemical Ecology have successfully silenced insect genes in a high-throughput manner using plant-mediated RNA interference. By targeting specific genes, such as CYP6B46, the scientists demonstrated that the gene silencing worked with high specificity and no collateral damage.
Researchers found that rituximab, a monoclonal antibody, was safe and effective in reducing liver damage in PBC patients who had an incomplete response to UDCA therapy. The study showed significant reductions in alkaline phosphatase levels and anti-mitochondrial antibodies after treatment.
Different subgroups of non-small cell lung cancer exhibit distinct patterns of spread in the body, suggesting fundamentally different diseases. Targeted therapies have shown dramatic clinical responses in patients with ALK positive NSCLC, offering new hope for treatment.
Researchers found that genetic and morphological traits were influenced by both natural selection and founder effects in castaway lizards. The study shows how these mechanisms interact with each other, resulting in differences between populations adapting to new environments.
A recent study conducted by Mayo Clinic researchers has found that young children who are exposed to anesthesia multiple times before the age of three have a higher risk of developing attention-deficit/hyperactivity disorder (ADHD). The study, which utilized data from the Rochester Epidemiology Project, found that children with two or ...
A new analysis of hundreds of doctor-patient visits found that physicians and nurse practitioners frequently use lecturing and ordering instead of engaging in open-ended discussions to address medication non-adherence. Problem-solving conversations were rare, even among patients who acknowledged lapses in adherence.
Prevention strategies that included ultrasound screening and chronic blood transfusions for children with sickle cell anemia led to a significant decrease in racial disparities in stroke-related deaths. This change occurred after the Stroke Prevention Trial in Sickle Cell Anemia (STOP) was implemented in 1998.
Research suggests that erratic heart rhythms, particularly paroxysmal atrial fibrillation (PAF), contribute to about one-fifth of unexplained strokes. Patients with stroke of unknown origin may benefit from extended monitoring and treatment with medications like dabigatran and rivaroxaban.
A UCSF team has identified genes that influence male and female behaviors, such as sex drive and nurturing behavior, which can be manipulated individually. The study suggests complex behaviors like autism may be broken down into component parts to better understand and treat disorders.
Graham Johnson's entry, a collaboration with colleagues, won first place in the video category for its visualization of complex 3D data sets. The winning tool enables scientists to compare parameters of complicated structures at a glance.
Researchers discovered that rivaroxaban, a new anti-clotting drug, is less likely to cause brain bleeding in patients with atrial fibrillation (AF) who are at high risk of stroke. The study found five risk factors that increase the likelihood of AF patients experiencing intracranial bleeding.
A recent study published in Stroke journal found that high triglyceride levels are a stronger predictor of stroke risk in postmenopausal women than previously thought. Researchers analyzed data from over 90,000 women and discovered that those with the highest triglyceride levels were nearly twice as likely to suffer an ischemic stroke.
A study led by Uppsala University reveals that structural modifications of DNA are duplicated or lost more commonly in older individuals. This may explain the impaired immune system with age. The researchers found large rearrangements in blood cells of people over 60, as well as smaller changes in younger individuals.
Research reveals severe anemia in stroke patients can lead to a higher risk of death, with patients experiencing increased mortality rates after six to twelve months. Anemia is measured by hematocrit levels, and moderate to mild cases also show elevated mortality risks.
Invasive crane fly species threaten northeast US sod industry quality and shipment safety. Recommended IPM strategies include monitoring, cultural management, and chemical control to prevent infestations.
Lab tests have found that silver compounds are as toxic to cancer cells as platinum-based drug Cisplatin, but may be less toxic to healthy human cells. Researchers hope to develop next-generation chemotherapy drugs using these findings.
A team of scientists has detected a potentially habitable super-Earth orbiting a nearby M-class dwarf star called GJ 667C. The planet receives 90% of the light that Earth receives and is expected to absorb similar amounts of energy, which could lead to surface temperatures similar to those on Earth.
A 2004 hurricane provided a rare opportunity for scientists to study the founder effect, a concept that describes the loss of genetic variation in new populations. The study found that both natural selection and the founder effect played roles in shaping the lizard population's characteristics.
Home-based dialysis treatments for kidney failure are gaining popularity worldwide, particularly in developing countries. The study found a significant increase in peritoneal dialysis patients in these regions, driven by lower costs and easier access to care.
Researchers at University of Southampton examine the future of UK high streets, exploring social, economic, and environmental impact, and assessing resilience through adaptation and evolution. The study aims to inform policy debate with forward-looking analysis.
Cedars-Sinai neurology researchers present research updates at the International Stroke Conference, including the use of therapeutic cooling to reduce neurological damage after stroke. Thrombin leaks into healthy brain cells after ischemic stroke, but injecting a drug to counter its effects can improve symptoms.
A multicenter study found two biomarkers in urine to correlate with aggressive prostate cancer among men on active surveillance. The markers, PCA3 and TMPRSS2-ERG, may lead to a non-invasive test to complement biopsy for predicting disease aggressiveness and progression.
A new questionnaire, AQ, can discriminate between normal memory loss and aMCI, a precursor to Alzheimer's disease. The study found that four questions were strong indicators of aMCI, including repetition of questions and difficulties with finances and direction.
Bacteria can multiply rapidly, but a lag phase precedes exponential growth. Researchers have developed a system to study this period, revealing genes and nutrient uptake mechanisms that help bacteria thrive in new environments.
A recent study found that diabetes prevalence varies greatly across developing countries, with some areas having as low as 0.27% and others up to 15.54%. The study also highlights the importance of addressing treatment gaps, which can lead to increased health complications and costs.
Researchers develop a mathematical methodology to predict critical transitions in complex systems like fisheries and economies. The approach utilizes traditional intuition and understanding, reducing the need for large amounts of data, to enhance chances of 'seeing it coming'.
A new NIH study reveals that certain genes implicated in schizophrenia and autism show increased regulatory activity during a critical period of development, influenced by environmental factors. This discovery highlights the importance of epigenetic mechanisms like DNA methylation in shaping brain function and behavior.
New research published in The Lancet reveals that malaria kills an estimated 1.2 million people globally each year, nearly twice as many as previously thought. Most malaria deaths occur in children over 5 years old, but the study also shows a significant number of deaths among adults in Africa and other parts of the world.
Researchers at Drexel University demonstrate that cold plasma can effectively kill pathogens on uncooked poultry, including Campylobacter and Salmonella. The study shows that plasma treatment eliminates or significantly reduces bacteria levels, offering a promising method for reducing foodborne illness.
A recent study on male and female mice has identified hormone-controlled genes in the brain as the key drivers of sex-specific behaviors, including mating and parental care. The research found that these genes can be individually manipulated to alter behavior, suggesting a modular control of sex-specific traits.
A study by Purdue University researchers found that football players who received more hits to the head over time showed brain changes, even if they didn't have concussion symptoms. The findings suggest that a concussion is likely caused by many hits over time, not just one blow.
A recent study published in The Endocrine Society's Journal of Clinical Endocrinology & Metabolism found that heart failure is associated with a 30% increase in major fractures. Researchers identified a high-risk population benefiting from increased screening and treatment for osteoporosis.
A Penn State team has developed a QR code system that allows patients to provide real-time feedback on their care experiences, helping hospitals improve patient satisfaction and reputation. The winning project aims to ensure patients receive the best care while also boosting hospital reimbursement under the Value-Based Purchasing Program.
Tropical Depression Iggy is being battered by wind shear, causing its strongest thunderstorms to be pushed away from the center. This leads to the storm's collapse, as convection must be stacked like a haystack to maintain the cyclone's structure.
A five-year study will determine the causes and impact of hyperkyphosis, a condition affecting 40% of older adults, causing breathing and mobility difficulties. The study aims to identify underlying causes and develop prevention strategies for this often-ignored condition.
Researchers found that a single 'Goldilocks' gene, LTA4H, regulates the immune response to TB. Variations in this gene lead to excessive or insufficient inflammation, which can affect treatment response. The study suggests personalized medicine could improve TB treatment outcomes.
New research reveals that tau oligomers, smaller structures formed before neurofibrillary tangles, are the most toxic entities in Alzheimer's. High levels of tau oligomers have been found in some Alzheimer's brains, and their presence has been linked to various biochemical behaviors and structures.
Two new planets, Kepler-34 and Kepler-35, have been discovered orbiting binary suns in the Cygnus constellation. The discovery indicates that planets can revolve around double stars, challenging our understanding of solar systems.