A team of astronomers has discovered a potential 'wild cousin' of the infamous exploding star supernova 1987A in a nearby galaxy. The newly found supernova, SN1996cr, exhibits similar characteristics to '87A and is an impressive 1,000 times brighter.
New research finds that e-mail is the most deceptive form of communication in the workplace, with people feeling justified when lying online. Studies show a significant difference in lying rates between e-mail and pen-and-paper communications, with e-mailers lying over 92% of the time.
A new study found that honey bees reared quickly perform less optimally on tasks, leading to oxidative damage and reduced longevity. This suggests a link between rapid development and aging, with potential implications for human health.
The DIRECT studies found that candesartan can reduce the incidence of retinopathy in type 1 diabetes and increase its regression in type 2 diabetes. The treatment also showed a significant reduction in risk of progression by three or more steps on the EDTRS scale.
A team of researchers found that positive feelings toward programming can be transferred to a brand, increasing attitudes towards the product. The study also highlights the benefits of product placement in programming, including increased shelf life and global distribution.
A simple device that uses an electrically charged tube to create an electric field that thins fuel has been developed, leading to a 20% increase in gas mileage in highway driving and a 12-15% gain in city driving. The technology has potential applications on all types of internal combustion engines.
A University of Missouri poverty expert found that the emotional stress associated with food stamp participation is higher than previously thought, particularly during the application and transition processes. The researcher suggests modifying the program by implementing a web-based application system to alleviate negative effects.
The new global carbon budget shows unprecedented acceleration of CO2 emissions and atmospheric accumulation, with natural sinks growing slower than emissions. Decreasing forest cover mainly due to deforestation is responsible for a significant portion of emissions, while oceans' carbon uptake has decreased by 10 million tons.
Researchers at the University of Texas at Austin have created a new graphene-based material that helps solve the structure of graphite oxide. The material, made by replacing normal carbon atoms with magnetically active carbon-13, will enable scientists to create different types of graphene and study its chemical structure.
Researchers found that high-dose statins can decrease satellite cell proliferation, potentially affecting muscle healing and repair. The study's findings suggest a need for further research on the effects of statins on muscle progenitor cells in older adults.
A new computer program, Medical De-identification System (MeDS), can accurately and speedily remove patient identifiers from medical records while retaining essential data for medical research. MeDS has been successfully tested on large datasets and shows promise in resolving the complex issue of privacy vs. public good.
Researchers found erlotinib to effectively block EGFR, improving survival in patients with pancreatic cancer. In vitro studies revealed erlotinib's ability to repress cell growth, induce apoptosis, and suppress angiogenesis.
Researchers have found a potential solution for diabetic gastroparesis by increasing production of a key molecule in the digestive process. The study, published in Gastroenterology, shows that a red blood cell derivative can restore normal gastric emptying and improve glucose control.
A study of 349 children with MS and 2,941 without the disease found that hepatitis B vaccination does not increase multiple sclerosis risk. However, a specific type of vaccine was linked to symptoms in vaccinated children with MS, three or more years after vaccination.
Researchers found that even after years of steroid use, muscle fibers still gave lifters an advantage. The study suggests that anabolic steroids can enhance muscle fiber size and endurance even after withdrawal.
Researchers at UCSB have developed a new nanoscale process called block co-polymer lithography that enables the creation of square, nanoscale chemical patterns on silicon wafers. This technology has the potential to make computers smaller, faster, and more efficient by packing transistors closer together.
McGill researchers have found the oldest rocks on Earth, dating back to around 4.28 billion years ago. The discovery provides new insights into the early separation of Earth's mantle and crust, shedding light on the planet's mysterious beginnings.
Researchers at MIT have developed a new theory to predict where aerodynamic separation will occur, which could impact fuel efficiency and more. The study extends existing knowledge from 1904 by addressing unsteady three-dimensional flows.
Researchers at University of Washington create Adeona, a free laptop theft-protection tool that uses internet and camera to track stolen laptops while maintaining user privacy. The tool has been downloaded over 50,000 times and can be used on desktops, laptops, and Linux machines.
Researchers found a specific form of the PNPLA3 gene linked to higher liver-fat content and increased risk of liver inflammation. Hispanics are more likely to carry this gene variant than African-Americans and Caucasians, highlighting a genetic explanation for ethnic disparities in fatty liver disease.
A new technology developed by Oregon State University can detect toxic behavior of contaminating bacteria, improving food protection while reducing costly recalls and waste. The approach uses pigment-bearing cells from Siamese fighting fish to assess toxicity in minutes.
Racing sled dogs have an extraordinary ability to rapidly adapt to sustained strenuous exercise and display enormous aerobic capacity. They can burn up to 12,000 kilocalories per day, fueling their runs with a high-fat diet.
A study by Dr. David Spence found that 95% of patients with asymptomatic carotid stenosis can manage without surgery, benefiting from improved medical treatment and lifestyle modifications. Patients with microemboli are the exception, requiring revascularization to reduce stroke risk
Researchers at Massachusetts General Hospital have discovered a new approach to gene therapy that uses normal brain tissue to create a 'zone of resistance' against brain tumor growth. By delivering a cancer-fighting gene to the surrounding tissue, tumors can be suppressed and eventually eliminated.
A new study found that countries with extensive government control over economies experience higher levels of ethnic conflict and civil wars. Economic policies redistributing income across ethnic groups exacerbate tensions.
Researchers identify a small molecule that blocks miR-21, a key player in brain and various types of cancer. The discovery offers new hope for developing targeted cancer therapies with fewer side effects.
A RAND Corporation study found that U.S. Army units can gain tactical and strategic advantages by better managing environmental issues during deployments, which can influence local support for the mission and overall success. The study recommends giving more weight to environmental considerations in planning and operations.
Researchers at Rice University developed a method to predict Wi-Fi coverage using basic topography and street locations, promising cheaper and easier network deployment. The technique was tested on two high-profile networks and showed promising results.
A retrospective study found that women with 3 or fewer involved lymph nodes have a low relapse rate after undergoing pre-operative chemotherapy and mastectomy. Patients with zero involved lymph nodes had a zero percent recurrence rate.
Scientists at National Space Biomedical Research Institute (NSBRI) are developing an interactive, multi-media program to assist astronauts in recognizing and managing depression. The system, part of the Virtual Space Station, provides a straightforward process for problem-solving and goal-setting, with features including graphics, vide...
Researchers investigated the relationship between Dendroaspis natriuretic peptide (DNP) and gastric motility. They found that DNP relaxes gastric antral circular smooth muscle via the cGMP/cGMP-dependent protein kinase pathway, which may help regulate gastrointestinal function.
A study using PET/CT showed an accuracy of 82.6% in detecting tumor recurrence, with clinical decisions changed for 30.4% patients. Molecular imaging technology may provide new applications for improving long-term survival in gastric cancer patients.
A study compared the diagnostic accuracies of endorectal ultrasound and pelvic phased-array magnetic resonance imaging for preoperative staging of rectal carcinoma. The results showed that phased-array MRI was slightly superior in determining transmural invasion depth, but both methods were similar in detecting lymph node metastases.
A new study from Fox Chase Cancer Center suggests that young women with DCIS are not more likely to experience recurrence than older women. The study analyzed data from 440 patients treated between 1978 and 2007 and found no significant difference in recurrence rates based on age.
Energy drink manufacturers should label their products with prominent warnings about caffeine doses and potential health risks, says a study by Johns Hopkins Medicine. The high caffeine content of many energy drinks poses a risk to consumers, particularly young adults.
Researchers found that older men with high-risk prostate cancer who received hormone therapy lived longer and experienced fewer PSA increases compared to those without treatment. A longer duration of hormone therapy resulted in improved overall survival rates, especially among those over 70.
Research team constructs eukaryotic plasmids containing HBV C genotype and lamivudine-resistant sequences, providing an experimental basis for in vitro studies on HBV lamivudine-resistant mutants. The results contribute to understanding the mechanism of HBV lamivudine-resistance.
A new study by Geisinger Health System found that improving healthcare value leads to better patient outcomes, including reduced hospital admissions and unnecessary drug costs. The study's initiatives, such as the medical home program and ProvenCare, have eliminated common delivery issues and improved care coordination.
Researchers used ultrasonography to diagnose biliary atresia in patients. The study found that the triangular cord was a specific feature of the disease, while flat and small gallbladders were also diagnostic. Hepatomegaly and heterogeneous echogenicity were proportional with liver fibrosis.
Anna Pou, M.D. will lead a discussion on emergency preparedness and disaster medicine, emphasizing the need for ethical guidelines and legislative protections for healthcare professionals. The presentation aims to provide a national consensus on ethical guidelines for physicians caring for casualties of disasters.
The study found that high concentrations of serum folate/vitamin B12 are associated with an increased risk of promoter methylation in tumor-specific genes, which is modified by the MTHFR C677T genotype. The results suggest a potential protective effect against colorectal cancer.
Researchers will analyze larger networks to understand how they form and evolve over time, with potential applications in identifying critical nodes and predicting new growth areas.
Researchers from the University of Michigan have discovered that metal alloys can degrade due to diffusion, a process where atoms hop through the material, changing its structure. This finding has significant implications for the development of longer-lasting alloys, particularly in electronic materials like solder.
The new center will foster collaborations among researchers with diverse expertise to tackle current biological problems using various tools and approaches. Researchers will be able to measure complex interactions and simulate events that cannot be studied experimentally, offering new insights into mechanisms.
The study found that liraglutide improved blood glucose control compared to glimepiride, with significant reductions in HbA1c levels. Participants receiving liraglutide also experienced weight loss and decreases in systolic blood pressure, making it a promising treatment for type 2 diabetes.
Research reveals tobacco companies paid top Hollywood stars millions in endorsement deals, contributing to the persistent presence of on-screen smoking in mainstream films. Almost 200 actors took part in cigarette endorsements between 1927 and 1951.
Researchers found that reduced expressions of E-cadherin and P120 were associated with tumor grade and patient survival in cholangiocarcinoma. These biomarkers may serve as potential diagnostic and prognostic indicators for ICCs.
Researchers found that fecal levels of FC and MPO can be used as surrogate markers for successful treatment outcome in IBD patients. The study also showed that elevated fecal markers are associated with relapse, but normalized FC level may indicate successful treatment.
Two novel histone deacetylase inhibitors, NVP-LBH589 and NVP-LAQ824, have been shown to suppress the growth of human pancreatic cancer cells and induce apoptosis in vitro and in vivo. Further studies are recommended for their potential treatment.
Astronomers have discovered a mysterious celestial object emitting visible-light flashes before disappearing. It is likely to be a missing link in the family of neutron stars, exhibiting powerful magnetic activity.
A recent survey found that most infertility patients support using leftover embryos for stem cell research, with 73% in favor. However, there is a growing demand from patients who want to sell their extra embryos to others, with 56% approving of the practice.
Scientists at Georgetown University Medical Center identified a new way to limit brain cell damage by reducing microglial activation. They found that a selective activator of a key receptor can turn off microglial activity, potentially treating conditions like stroke, Alzheimer's disease, and Parkinson's disease.
A study by Baylor College of Medicine researchers reveals a critical function of the MeCP2 protein in regulating neuronal behavior, particularly in relation to stress, aggression, and obesity. The findings demonstrate that MeCP2 is essential for tempering neural responses, enabling appropriate behavior in novel social situations.
The Swiss Institute of Bioinformatics has produced an encyclopaedic knowledge capturing the functions and interactions of human proteins. The dataset covers 20,325 human proteins and will speed up scientific work aimed at improving quality of life, particularly in combating genetic-based diseases.
Researchers have discovered two new species of bacteria growing on the walls of Rome's ancient tombs, which may help preserve these sites. The bacteria, belonging to the Kribbella group, can produce enzymes and antibiotics with useful properties.
A US neurosurgeon reports promising results treating soldiers with severe brain injuries in Iraq, where aggressive therapies led to unexpected survival rates. In contrast to predicted dire outcomes, some patients showed remarkable recovery, challenging the predictive value of standard neurological assessments.
The metagenomics field is gaining traction, allowing researchers to reconstruct metabolic profiles of microbes from environmental samples. DOE JGI's advancements in this area are crucial for understanding microbial diversity, as they have characterized many metagenomes across various ecosystems, including acid mine drainage and gut env...
Scientists developed a new method to control and image individual fluorescent electron transfer molecules, revealing mavericks that shine when they shouldn't. This study aims to better understand electron transfer reactions central to photosynthesis and biofuel production.
Researchers found that probiotic bacteria can efficiently mature monocyte-derived dendritic cells, leading to the production of specific cytokines. The maturation process was triggered by different bacterial strains, with some inducing pro-inflammatory and others anti-inflammatory responses.
Climate change is expected to cause significant economic impacts on US states, with total costs running into billions of dollars for North Carolina, North Dakota, Pennsylvania, and Tennessee. The studies also highlight the need for quick action to mitigate these effects, as delayed action will only worsen the situation.