Scientists at Johns Hopkins University are refining computerized navigation and control systems for deep-sea robots. The new testing facility allows researchers to fine-tune the system, which enables precise positioning and movement of underwater vehicles.
Researchers from Indiana University unveiled innovative tools, including GeoMapper and Warscope, to display geographic information and locate network devices. The displays demonstrate collaboration among top universities in the state.
Researchers found that overexpressed LPAAT-beta is highly tumorigenic and causes cancer cells to die when inhibited. The small molecule inhibitors induce apoptosis in various tumor cell lines, including lung and colon cancers.
Researchers found that when sensory cues from hands and eyes differ, the brain splits the difference to create a single percept, weighing individual senses differently. The brain maintains three separate representations of an object's properties, prioritizing combined visual and haptic cues over conflicting signals.
Astronomers detected two active black holes at the center of galaxy NGC 6240 using NASA's Chandra X-ray Observatory. The binary black hole system will eventually merge, producing massive gravitational waves detectable by LISA.
A long-term study of Enbrel found that it effectively treated rheumatoid arthritis (RA) for up to five years, with 71% of patients achieving the ACR 20 response. The medication was also well-tolerated, with no increased rate of serious adverse events or infections compared to placebo.
A recent study found that pravastatin treatment reduced coronary death, non-fatal heart attack, and fatal or non-fatal stroke by 15% in adults aged 70-82. The benefits were most pronounced for reducing death from heart disease, with a nearly 25% relative risk reduction.
Researchers found that phase transition in bilayers causes substantial tearing, resulting in foam-like defects that affect device performance and long-term storage. The study's findings have significant implications for the development of supported bilayer-based materials and applications such as biosensors.
Researchers have identified a vital component in the regulation of the circadian clock, which controls daily behavior such as sleeping and waking. The discovery may lead to the development of drugs that speed up or slow down the circadian clock, potentially treating sleep disorders affecting 70 million Americans.
A French study found that men have higher tHcy levels than women overall, while coffee consumption in women has a significant impact on tHcy concentrations. Conversely, caloric intake and physical activity levels in men play a crucial role in determining tHcy levels and CVD risk.
A pilot study in the Ozark region found that half of the red oaks on plots were dead, and 10% of white oaks were dying. The study estimates that up to 33% of red oaks may be lost due to the outbreak.
Children in physical joint-custody arrangements with no parental conflict exhibit fewer behavioral problems compared to single-parent custody. However, frequent disagreements between former spouses can lead to negative emotional responses and behavior issues in children.
A survey by the Economic & Social Research Council found that many employers are reluctant to offer innovative non-financial benefits, such as day care programs or financial assistance for childcare. Only a few percent of establishments planned to introduce improvements in these areas in the next year.
Forest thinning may improve plant diversity and support animal habitats if done correctly, according to USGS-funded research. The study found that selective thinning of dense young forests can promote the growth of hardwoods, large trees, and old-growth characteristics.
Climate change is expected to exacerbate existing water problems in the West, impacting hydroelectric power, salmon runs, and water supply deliveries. The region's water resources are already stretched to their limits, with little room for changes in current allocations.
Researchers have made key findings about the San Andreas fault system, predicting major earthquakes within 30 years for certain areas. The study, which analyzed paleoseismic data from 10 sites, suggests that at least 120 miles of the southernmost section of the fault may rupture in a large earthquake of magnitude 7.6 to 7.8.
A new study by UCLA researchers found that Rh-incompatible mothers are more than twice as likely to have children with schizophrenia. The study mapped genetic data from 181 Finnish families and discovered a significant link between the RHD gene and schizophrenia risk.
Researchers are studying the effects of Bacopa monniera on cognitive function in people over 65. The 50-participant clinical trial aims to maximize cognitive function and assess the supplement's impact on short-term memory, attention, and reaction time.
The Rice Connexions program is expanding its offerings with new software tools and partnerships, making high-quality educational content freely available worldwide. The project aims to empower diverse cultural communities and break down barriers between academic disciplines through a collaborative approach to teaching materials.
A large clinical trial will be conducted at 16 US sites, with Saint Louis University leading as the national coordinating site. The study aims to prevent genital herpes in women using an investigational vaccine.
Researchers found that living in a female-headed family at age 14, having low self-esteem, and poor verbal/math skills predicted depressive symptoms in young adulthood. The study also highlighted the need to disentangle women's marital status from their age at first birth.
Case Western Reserve University's ANSMET team will conduct six-week Antarctic expedition to recover rare Martian meteorites, expanding planetary science research capabilities.
Virginia Tech researchers are working on ways to protect battery-operated computers and wireless devices from hacking attempts that can drain their batteries. The project aims to develop built-in measures to prevent such attacks, which could become a major concern for the wireless industry.
Patients who received outpatient cardiology care had lower two-year mortality rates compared to those without. Concurrent care by cardiologists and primary care physicians may improve outcomes.
A sub-analysis of the ASSENT-3 trial data found that anti-coagulation drugs have different effects in patients with diabetes after a heart attack. Enoxaparin was recommended for acute heart attack patients with diabetes due to its lower risk of death and refractory chest pain compared to abciximab.
A major herpes vaccine trial is underway for women to prevent genital herpes, with over 70% of HSV-1 and HSV-2 negative women showing protection against the disease. The trial aims to recruit thousands of HSV-negative women to test the efficacy of a subunit vaccine containing a piece of the virus outer coat.
The lack of harmonization in European clinical trial regulations is jeopardizing progress in state-of-the-art treatment strategies, denying patients the benefits of advances. This is particularly concerning in complex fields like cancer research, where multi-disciplinary and multi-modality treatment is required.
A new definition of transient ischemic attack (TIA) is proposed to improve stroke treatment, focusing on brain injury rather than arbitrary time limits. The revised definition aims to increase the use of clot-busting medication and reduce delays in treatment.
Research reveals that foreign-born nursing home aides face on-the-job racism, while African-American aides are less likely to experience it. The study also highlights the prevalence of racist attitudes among nursing home residents, which can impact staff behavior.
Scientists are using species profiling to help prevent invasive fish introductions into the Great Lakes and other waterways. A new method has been discovered to detect skin diseases in fish using a fluorescent dye.
Researchers found dramatic gray matter loss in the brains of men with sleep apnea, primarily in regions controlling speech production, movement, and emotion. The severity of brain damage correlated directly with disorder severity, suggesting that early brain wiring abnormalities may contribute to sleep apnea onset.
A pioneering study found that time urgency and impatience during young adulthood are associated with increased risk of developing hypertension years later. The strongest link was seen among white men, who were more than three times as likely to develop high blood pressure as those in lower TUI groups.
Researchers studied 5069 patients and found that African Americans had lower exercise capacity despite higher rates of obesity. The study highlights the importance of weight reduction and increased physical fitness for preventing cardiovascular disease in African Americans.
A study by Purdue economist William Masters found that African mothers are willing to pay a premium of 30% for infant food with guaranteed quality and safety information. This could lead to reduced child malnutrition rates if generic options were made available, saving up to 6 million lives annually.
A study by researchers at the H.Lee Moffitt Cancer Center has identified the ERCC1 gene as a potentially clinically useful independent marker for lung cancer. Patients with high levels of ERCC1 are more likely to survive after surgery and may benefit from platinum-based chemotherapy, while those with low levels have a poorer prognosis.
Duke University Medical Center researchers found that a new drug combination, combining eptifibatide and tenecteplase, speeds up and sustains restored blood flow to the heart. The study showed significant improvements in ECG readings, with patients receiving the combination therapy returning to stable levels within 55 minutes.
A study of 39 hepatitis C patients found that 33% developed interferon-induced major depression, but 84% improved with antidepressant treatment. The research challenges the common practice of discontinuing interferon therapy for depressed patients.
A study on atorvastatin found patients experienced quality of life improvements, but primary endpoints were not met. Peripheral arterial disease affects millions worldwide, causing leg pain and reduced blood supply.
Researchers found that inhibiting PDGF signalling increases tumour uptake of cytotoxic drugs without increasing toxicity. Combination therapies with Glivec and other drugs induced better anti-tumour effects in animal models, suggesting a new strategy for improving drug treatment for cancer patients.
Craighead's research focuses on developing chip-based chemical and biochemical analysis systems with high-speed capabilities. He aims to create rapid medical diagnosis or environmental monitoring tools using microfluidic systems and engineered nanostructures.
A study of ICD patients found a significant increase in dangerous irregular heartbeats after a terrorist attack, highlighting the impact of stress on the heart. The rate of ICD discharges remained elevated for a month following the attack.
The study aims to understand the burden of neurological disease in people living with HIV and inform effective management strategies. A cross-sectional study will assess prevalence and features of neurocognitive-behavioral complications, while a subset of patients will be followed over time to monitor health status.
A Phase I study of the novel anti-angiogenic drug SU011248 showed promising results in patients with advanced cancers that had failed to respond to other therapies. The drug demonstrated activity in a range of tumour types, including renal and gastrointestinal cancers, but did not show efficacy against brain metastases.
Researchers identified key genes and metabolic pathways to differentiate the bacterium from related species, shedding light on its unique biology and slow growth rate.
Researchers found that bone marrow cells can repair damaged vessels to reduce atherosclerosis in mice. The study suggests a potential new approach to treating coronary artery disease and could lead to the development of stem cell-based therapies.
A new study found that nearly 50% of wells labeled as unsafe actually contained safe drinking water. Researchers recommend using more accurate testing methods to ensure water safety in the region.
A landmark study found that left-ventricular assist devices (LVADs) for heart failure patients cost $196,699, similar to liver transplantation ($250,000). The device has been shown to significantly improve survival and quality of life. Improving management of these critically ill patients could reduce costs.
School districts that fed students more empty calories on test days showed significant improvements in test scores, particularly among schools threatened with sanctions. The study found a link between calorie increase and higher pass rates in math and English, but no long-term benefits.
Researchers used digital SNP analysis to detect ovarian cancer in 87% of early-stage and 95% of late-stage patients, with high total DNA amounts found in most cancer cases. The test holds promise for improved detection in a wide range of cancers.
Dr. Arnold Barnett argues that large US airlines prioritize security measures over terrorist threats, despite evidence of two major aviation-related terror attempts in the year following 9/11. New low-fare airlines, such as jetBlue and Spirit, are willing to implement voluntary security measures.
The study reveals the role of Map in promoting S. aureus persistence and survival in infected mice by interfering with T cell function. Researchers warn that the increasing prevalence of multidrug-resistant strains poses a significant threat to public health.
Researchers found that COX-2 inhibitors impede new bone growth, delaying healing of fractures or joint implants. A six-week 'time-out' period from COX-2 inhibitors is recommended to promote bone recovery.
Researchers at Cornell University aim to learn how enzymes modify estrogen receptors, potentially leading to better diagnostic and therapeutic options for breast cancer patients. The study aims to clarify the molecular details of the estrogen-signaling pathway in normal and diseased tissues.
Child development experts may benefit from economists' tools to analyze the effect of resources on key outcomes like schooling, illness, and death. Economists can help broaden perspective on issues like day care by incorporating family resources and preferences into their models.
The study reveals striking differences in employment rates across Europe, with Greece having ten times more people working in agriculture than the UK. Non-working households are common in many EU countries, but married women's employment rates do not affect this trend.
The American Heart Association strongly criticizes a new study on high-protein, low-carbohydrate diets, citing its tiny sample size and short duration. The organization emphasizes that there is no single 'diet' but rather a set of guidelines for a healthy dietary pattern rich in fruits, vegetables, whole grains, and lean protein sources.
Researchers have identified two compounds that inhibit PTHrP production, reducing metastatic bone breakdown and tumor burden. The findings suggest potential therapeutic benefits for treating both bone metastasis and hypercalcemia in breast cancer patients.
The US child-care system faces significant shortcomings, including fragmented funding, low quality of care, and limited access to education-focused models. European countries offer alternative models, such as France's free public childcare system and Denmark's focus on working parents.
Researcher Charles Kurzman argues that Islamist movements are divided on how to achieve their goals, with some seeking democratic change while others pursue terrorism. Despite their notoriety, Islamists remain unpopular among Muslims.
Researchers found that a virus uses a protein called actin to destroy its own cells, allowing it to escape and infect other cells. The discovery provides new insights into viral infections and could lead to the development of antiviral agents.