Two studies found that early initiation of current treatments following a minor stroke or TIA significantly reduces the risk of subsequent major stroke. The UK alone could prevent nearly 10,000 strokes per year if this treatment is universally applied.
Thomas Haigh, a historian of computer technology, is tracing the history of personal computers and their impact on society. He found that despite the initial hype around computers in the 1950s, businesses and employees continued to face similar challenges, such as figuring out how to use new gadgets and processes.
A KGI professor's research reveals a mechanism for the self-repair of DNA at jumping gene locations, challenging instability theories. The study provides insights into the evolution of moveable genetic elements and their implications for plant genetics and molecular evolution.
Argonne's collaboration with China aims to develop clean vehicle technologies and improve air quality in Beijing. The partnership is expected to address climate change, promote energy security and economic growth.
Researchers at Ohio State University found that summer nighttime low temperatures in Ohio have risen by about 1.7 degrees Celsius (about 3 degrees Fahrenheit) since the 1960s, mainly due to increased humidity and cloud cover. This warming trend is expected to affect the state's climate, with a typical summer night being 20 degrees Fahr...
A retrospective cohort study found that international medical graduates, physicians with high practice volumes, and those who were in practice longer were more likely to prescribe antibiotics inappropriately. This inappropriate prescribing is associated with increased risk of antibiotic resistance, adverse events, and healthcare costs.
A new study found that white women are almost five times more likely to take tamoxifen and three times more likely to have adjuvant chemotherapy for advanced breast cancer. Women with government health insurance were less likely to receive combination breast conserving surgery and radiation.
Researchers discovered extreme droughts in tropical Africa between 135,000 to 90,000 years ago, which may have led to the Out-of-Africa hypothesis that all humans descended from a few people living in Africa. The study also found that fish evolution in Lake Malawi was altered due to these megadroughts.
Cornell engineers develop gel scaffold that can nourish growing tissues, supplying oxygen and nutrients. The system mimics a vascular system at the cellular scale, allowing for fine-tuning of biochemical environments and desired tissue outcomes.
Penn researchers have found a new way Kaposi's Sarcoma-associated Herpes Virus (KSHV) causes cancer by interfering with the degradation of a crucial signaling molecule called Notch. This finding sheds light on how KSHV subverts normal cell growth, potentially leading to new treatments for viral-associated cancers.
Researchers at Children's Hospital of Philadelphia successfully delivered beneficial gene to entire mouse brain with one injection, correcting diseased areas. The technique has potential for treating rare genetic neurological disorders like Tay-Sachs disease and Sly syndrome.
Researchers at the University of Missouri-Columbia argue that 'mumming,' a centuries-old ritual where villagers disguise themselves and threaten violence, is a way to communicate trust and trustworthiness. In this tradition, participants make themselves vulnerable to prove their commitment to each other.
Research suggests the appendix serves as a reservoir for beneficial bacteria, protecting them from harm and allowing them to repopulate the gut after diarrhea. This discovery challenges the long-held view of the appendix's uselessness.
A new technique developed by UC radiologists uses multi-detector computed tomography (CT) scanners to capture images of chest veins. This approach allows for better diagnosis of venous diseases by compensating for the extra time it takes contrast solution to reach the veins.
A recent study suggests genetically engineered corn could have unintended consequences on aquatic ecosystems. Researchers found toxins from Bt corn were washing into streams near cornfields, causing increased mortality and reduced growth in caddisflies.
A study of 1,421 cancer patients found no difference in treatment location or wait times between pre- and post-Medicare reimbursement cuts. Patient satisfaction with care remained high, with similar levels of satisfaction reported by patients treated before and after the changes.
After eight years of operations, NASA's FUSE space telescope will be shut down on October 18, leaving behind a legacy of over 1,200 published papers and groundbreaking science discoveries, including insights into molecular hydrogen in Mars' atmosphere and a first-ever observation of molecular nitrogen outside our solar system.
Central nervous system infections are a rare but significant predictor of death among heart transplant recipients. According to a study of 315 patients, 8 developed CNS infections within four years after transplantation, resulting in three deaths and two survivors with mild complications.
Researchers found that depression in older people increases the risk of subsequent mental impairment and can act as a predictor of future intellectual decline. The study, which analyzed over 700 patients, showed that depression raises the risk of executive function loss, a key indicator of cognitive decline.
A new study found that cancer patients receiving chemotherapy did not notice restrictions in their treatment access following the enactment of the Medicare Prescription Drug, Improvement and Modernization Act. Despite significant reductions in government reimbursement to oncologists, patients perceived no barriers to their care.
A new study has identified a gene, HMMR, that may increase a woman's risk of breast cancer by more than a third. The research found that HMMR interacts with the well-known breast cancer gene BRCA1, suggesting a potential new pathway for further research.
Researchers used satellite data to monitor inflation in the Lastarria-Cordon del Azufre volcanic complex, detecting a long wavelength signal indicating possible magmatic activity. A short wavelength signal was also found, likely linked to hydrothermal fluid circulation.
A recent study found that current food labeling leads to under-consumption of calcium, a crucial nutrient for osteoporosis prevention. Researchers discovered that consumers struggle to translate %DV to milligrams, and even doctors often make incorrect calculations. However, providing simple guidelines can help individuals better naviga...
Biochemistry and biophysics expert Dr. James Shorter has been awarded a $1.5 million NIH New Innovator Award to develop biochemical methods for combating nerve degeneration diseases, including Parkinson's, Alzheimer's, and Huntington's.
Researchers at the University at Buffalo study brain signals and animal models to find tinnitus relief; goal is to identify neural signature of the condition. Potential therapies are being tested using radioactive tracers and unique compounds.
Researchers sequence Fusarium graminearum genome to understand its interaction with plants and develop resistance. The study aims to identify genes that enable the fungus to cause disease and produce toxins, which can be fatal to humans and livestock.
NCCAM has added three new Centers of Excellence for Research on Complementary and Alternative Medicine (CAM), focusing on the biological effects of plant-derived compounds on various health conditions. The centers will investigate mechanisms and effects of compounds like curcumin, resveratrol, and grape polyphenols in preventing or tre...
Peter Cummings is being honored for his groundbreaking research in computational nanoscience, which has led to significant advancements in nanotribology, molecular electronics, and hybrid organic-inorganic nanocomposites. His work has the potential to make nanotechnology a practical reality.
Researchers at University at Buffalo develop automated system to track individuals' likelihood of committing a terrorist act based on biometrics and behavioral indicators. The system aims to identify perpetrators in real-time, providing a numerical score of malfeasance likelihood.
Research finds that female bird species develop a sexual preference for males of their own species, driven by genes on the sex chromosome inherited from the father. This discovery sheds light on how new species are formed and may explain the existence of new species despite occasional hybridization.
Researchers at UCI discovered how to reverse learning and memory problems in fragile X syndrome by adding brain-derived neurotrophic factor proteins. This discovery provides scientific foundation for possible therapies that allow increased learning and memory in individuals with the condition.
A new fabrication technique using soft lithography has enabled the mass production of plasmonic metamaterials, which exhibit exceptional optical properties due to their unique structure. The technique allows for scalable manufacturing and can produce materials with high-quality transmission behavior, focusing light in microscale patches.
Researchers at Saint Louis University have found an injectable antibody that can reverse learning problems in mice with an animal version of Alzheimer's disease. The antibody, part of the IgM class, targets amyloid beta protein and prevents it from becoming toxic.
Researchers found that players who swing their non-kicking-side arm across their chest are the most accurate kickers, particularly over longer distances. This movement helps control body rotation and counteract leg movement, increasing accuracy and margin of error.
A recent study found that workers with diabetic neuropathic symptoms lose an average of 1.4 hours per week due to health-related lost productive time, resulting in $3.65 billion annual costs. Those with diabetes without symptoms still experience a higher likelihood of unemployment compared to their non-diabetic counterparts.
Scientists have found Marburg virus in Egyptian rousette fruit bats, a non-symptom developing carrier species that likely transmits the virus to humans. The discovery reveals this bat as Africa's natural reservoir and highlights the need for public health measures to prevent future outbreaks.
Researchers identify correlation between 3D basin geometry and observed shaking in previous earthquakes, leading to improved construction and seismic hazard assessments. A new tool for evaluating site conditions is also proposed, which could aid in risk assessment for earthquake-prone regions worldwide.
Researchers identify key proteins in brain cortex associated with neurodegenerative diseases, including Alzheimer's and Parkinson's. A new method also detects abnormal protein-sugar structures in blood plasma for cancer diagnosis. Additionally, proteins linked to improved liver cancer diagnosis have been identified.
Eva Harth's system delivers drugs to specific intracellular compartments, including the brain, and reaches tumors in the lungs, brain, and spinal cord. It also enables delivery of peptides, proteins, DNA, and smaller chemical compounds.
The USC team aims to design visual displays that enhance certain parts of an image to help people with AMD digest visual information better. They will use techniques from computer vision and computational neuroscience to build visual displays that compensate for neural loss.
A study by Johns Hopkins researchers found that over half of households in displaced areas experienced human rights violations, leading to high mortality rates, infectious morbidity, and malnutrition. The survey revealed a five-fold increase in death risk among children under five years old in households with multiple human rights abuses.
In a study, chimpanzees were confronted with a simplified version of the ultimatum game. Unlike humans, they accepted any nonzero offer, whether it was unfair or not. The researchers conclude that chimpanzees do not show a willingness to make fair offers and reject unfair ones.
Researchers uncover the elusive signal that triggers plantwide resistance, found to be methyl salicylate, an aspirin-like compound.
The National Science Foundation (NSF) is partnering with ResearchChannel to create science-themed programming for cable television, the Internet, and other media. The partnership will feature lectures from distinguished scientists, panel discussions on ongoing NSF-funded research, and institutional research series.
Researchers at Harvard University have found that a simple circadian clock can maintain an accurate 24-hour cycle through the rhythmic addition and subtraction of phosphate groups on a single protein. This discovery builds upon previous research and has implications for understanding general feedback mechanisms in organisms.
A deficiency of the T-bet protein in dendritic cells has been linked to ulcerative colitis in mice, which can be passed from mother to offspring and between adult animals. This study provides a novel model for the disease, with potential implications for testing new therapies and preventive measures.
Researchers found men become more focused on direct routes after clothes shopping, while women prefer scenic routes. Introverts also make low-arousal food choices when thinking about attending a party.
Researchers have discovered a mechanism that strengthens memory connections in response to emotional stress, which may underlie why traumatic events can be more vividly remembered than everyday ones. The study found that the stress hormone norepinephrine enhances learning and memory by increasing GluR1 receptors.
MedImmune presents Phase 2 safety data for its anti-RSV antibody, motavizumab, in young children with a history of prematurity. The company also releases national RSV surveillance results showing regional variability of the virus in the southern United States.
An international team of scientists has identified a tiny galaxy, about half the size and one-tenth the weight of the smallest distant galaxies typically observed. The galaxy is 100 times lighter than our own Milky Way and is 100 times closer to us than the nearest known structure, the Virgo cluster.
The University of Georgia College of Veterinary Medicine has received a $1.18 million NIH grant to develop a less expensive and less invasive means of vaccinating humans and animals against rabies. The proposed vaccine will use a genetically modified form of the live virus, aiming to establish immunity with fewer doses and reduce costs.
A study of 447 patients with multiple myeloma found that thalidomide improved overall survival and response rates compared to standard chemotherapy. The MPT regimen was associated with significantly better outcomes, making it a potential new treatment option for elderly patients.
Scripps researchers created a dual-action compound that leapfrogs current efforts to develop an anthrax vaccine. The new agent protects against lethal toxin exposure after only one injection, with a potent immune response faster and stronger than any currently available vaccine.
Researchers have discovered how Candida albicans transforms from its benign form to an infectious, life-threatening state. The fungus changes shape and activates cellular machineries through specific proteins, revealing new therapeutic targets.
A study reveals consumers misjudge situations where longer duration isn't necessarily better, such as in exercise programs or lock-picking services. Consumers tend to believe a positive correlation between duration and quality, leading them to prefer longer sessions even when they're not more effective.
Research found that dedicated custody nurses improved response times and consultation times compared to doctors. Nurses were able to assess patients quickly, provide holistic care, and refer cases to forensic medical examiners as needed.
The Giant Magellan Telescope will be constructed at Cerro Las Campanas, Chile, providing unparalleled seeing quality and access to the southern skies. The telescope will help answer scientific questions on planetary systems, star formation, galaxies, black holes, dark matter, and dark energy.
A new study found that when faced with two 'bad' choices, consumers tend to opt to get rid of what they already have. This is due to a stronger preference for possession loss aversion than valence loss aversion. The researchers discovered that this effect is more pronounced in situations where the options are risk-free or unattractive.
Scientists have successfully determined the structure of microcrystal grains using a new set-up at the European Synchrotron Radiation Facility. This breakthrough allows researchers to study crystalline structures previously too small to analyze, enabling potential advances in fields like chemistry, physics, and biology.
Researchers from Argonne National Laboratory have developed a method to characterize quantum dot blinking on faster time scales than before. The results provide new insight into the mechanism of quantum-dot blinking and may help control and suppress this flickering behavior.