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.
The experimental drug clazosentan reduced the risk of blood vessel spasm in patients with a brain aneurysm. Patients on higher doses of the drug experienced a significant reduction in vasospasm-related complications, including neurological deficits and respiratory issues.
A Wayne State University researcher is working to promote HIV testing among African-Americans by expanding testing in county jails. Her team provides comprehensive HIV prevention services, including counseling and referrals for those who test positive.
A team of researchers has identified a potential new therapeutic target for the treatment of glioblastoma multiforme (GBM), a highly aggressive form of brain cancer. They found that protein SULF2 is expressed in primary human GBM tumors and cell lines, and its expression is associated with abnormal activation of signaling pathways down...
Scientists have developed a handheld device that can accurately count white blood cells, revolutionizing the complete blood cell count test. The device uses a 'blood lab-on-a-chip' technology to break down red blood cells and produce comparable results to full-scale hematology labs.
Research reveals LSD1's key function in silencing embryonic stem cell genes during differentiation, allowing cells to adopt new operating systems. The findings hold broader implications for understanding defective operating systems in diseases like cancer.
Research presented at American Stroke Association's International Stroke Conference 2012 links common childhood infections to a high risk of ischemic stroke. Acute infections are more critical in triggering stroke than chronic infections over time.
A new study found that people with low self-esteem tend to post more negative updates on Facebook, which may actually decrease their online popularity. In contrast, those with high self-esteem receive more responses when posting negative items.
Researchers found that systolic blood pressure above 140/90 is associated with increased risk of end-stage renal disease in patients with chronic kidney disease. The study's findings challenge current guidelines, which recommend a systolic pressure of 130/80 or lower.
Researchers at JILA have created the first 'frequency comb' in the extreme ultraviolet band of the spectrum, allowing for precise measurements and unlocking new scientific avenues. This breakthrough enables the development of 'nuclear clocks' and studies of previously unexplored behavior in atoms and molecules.
A global conversation is needed to address the risks of avian flu research, according to a new policy statement. The National Science Advisory Board for Biosecurity warns that publishing certain research details could lead to the development of deadly transmissible influenza viruses.
A German team developed a system that locates pedestrians in front of the vehicle using artificial vision, with improved recognition by a factor of up to 7.5 compared to non-dense systems.
Researchers at Berkeley Lab developed a technique for inducing nanorods to self-assemble into complex one-, two- and three-dimensional macroscopic structures. The technique uses block copolymers as a platform for guiding the self-assembly of nanorods, enabling more effective use in solar cells, magnetic storage devices and sensors.
The CDC's Advisory Committee on Immunization Practices recommends routine HPV vaccination for males aged 11-12 years, catch-up vaccination for males aged 13-21. For adults with diabetes, Hepatitis B vaccinations are now recommended for those under 60 and over 60 based on specific conditions.
Researchers analyzed data from England and Wales, finding that services implementing recommended interventions saw a significant decrease in suicide rates. The provision of 24/7 crisis care was associated with the largest reduction in fatalities, while local policies on patients with dual diagnosis and multidisciplinary reviews also sh...
Christian Schlötterer is studying how fruit flies adapt to climate change through genetic analysis, aiming to understand the molecular mechanisms behind adaptation. His project may provide insights into natural variation and gene changes required for survival in new environments.
A new assessment by Robert H. Condon and colleagues challenges the idea that jellyfish are dominating the seas, citing a lack of scientific evidence supporting this claim. The researchers suggest that recent blooms and increased media attention have fueled the perception of an increase in jellyfish populations.
A recent study found humpback whales on opposite sides of the southern Indian Ocean singing unique songs, with only one shared theme. The results suggest limited exchange between regions and shed light on how whale culture spreads.
The study found rare variants in key Alzheimer's-related genes in 13% of analyzed samples, with 5% likely contributing to the disease. The findings suggest a common disease mechanism for both early- and late-onset Alzheimer's, leading to potential changes in classification.
Scientists implanted a miniature biofuel cell into False Death's Head Cockroaches, converting trehalose and oxygen into electricity. The device operates intermittently due to low energy output, but could power microdevices in the future.
Research shows that better mental health services and safer hospital environments lead to a significant reduction in suicides among specific patient groups. The study's findings are based on data from 12,881 suicides in 91 mental health services between 1997 and 2006.
A team of UCSF researchers argues that sugar is a primary culprit of the global obesity pandemic, contributing to 35 million deaths annually. Limiting sugar consumption requires environmental and community-wide solutions, similar to those for alcohol and tobacco.
Outcomes for unruptured brain aneurysms treatment have remained stagnant over the last 10 years, attributed to minimally invasive endoscopic coiling procedures at lower-volume community hospitals. These procedures lead to inferior outcomes and increased technical shortcomings or errors in judgment.
The new Distraction Dodger video game, developed by the University of Minnesota ITS Institute, aims to teach young adults about the risks of distracted driving. The game simulates real-life scenarios, offering players a reality check on their driving habits and encouraging them to stay focused on the road.
Researchers developed nano-infused transformer oil that increases efficiency by up to 80 percent, reducing heat loss while maintaining electric insulation. The oil's viscosity is minimally affected by nanoparticle fillers.
Researchers at Sam Houston State University have discovered a new biomarker, ACTA, in liver samples following cyanide poisoning, which may extend its detection window up to two months. Elevated cyanide concentrations can only be detected for up to two days under current toxicological testing.
A study published in PLOS ONE found that people tend to mimic each other's eating behavior when dining with others, taking bites at the same time. The researchers observed 70 pairs of young women and recorded their bites, totaling almost 4,000, revealing a dynamic interplay between eating companions.
Research found re-blockage rates to be low in both stented and surgically-opened carotid arteries, with less than 7% of patients developing repeat blockages after two years. The study suggests that both procedures are durable and equivalent in terms of re-blockage rates.
A recent study by University of Toronto and Nipissing criminologists reveals that Canadian police departments largely do not report race in practice, despite only 20% having an explicit policy against it. This suppression of data hinders the development of effective initiatives to improve relations with racialized communities.
A new study found that health disparities have grown dramatically among people in the same socioeconomic groups, often more than between groups. Researchers identified factors such as income instability and changes in population composition contributing to these growing disparities.
A pilot study found that 60% of children who received liver tissue from a parent can safely discontinue immunosuppression. The study identified three clinical factors that predict which pediatric liver transplant patients are most likely to do well if the medications are withdrawn.
Researchers identified a genetic link between fear and anxiety disorders like PTSD, revealing two distinct types of PTSD symptoms and potential treatments for each. The study suggests that genetic predispositions can affect resilience to traumatic experiences.
A new approach to lung tissue development could provide a virtually limitless supply of donor lungs while avoiding rejection. The method involves decellularizing an organ and recellularizing it with stem cells from the recipient, potentially overcoming the need for donor organs.
A new study published in the Journal of Integrated Pest Management found that an integrated pest management (IPM) program significantly reduced the use of insecticides in University of Florida housing. The program led to a near-total elimination of hydramethylnon and other chemicals.
A new study at the University of Michigan Health System found that exposure to loud noise can cause long-lasting changes to sensory pathways. Touch-sensing nerve cells may be the gateway to future tinnitus treatments.
Researchers have developed a novel technology platform that enables viewing of biological processes in dynamic, life-sustaining liquid environments. This innovation allows for high-resolution imaging of cancer cells and other macromolecules, providing new targets for drug therapy.
Researchers measured beta-amyloid levels in healthy adults between 30 and 90 years old, finding that high levels correlated with cognitive deficits. The study suggests subtle effects on cognition occur early, highlighting the need for interventions to slow or halt disease progression.
A study by Max Planck scientists found that available scientific information on genetically modified insect releases is highly restricted. They call for clear and accurate descriptions to be widely circulated before releases, particularly if mosquito species are involved.