Scientists at Northwestern University have demonstrated a fundamental component of quantum computing, utilizing entangled photons generated in optical fibers. The team successfully implemented a controlled-NOT gate, enabling two photonic qubits to interact, paving the way for more complex quantum computer architectures.
A University of Minnesota study found that paying for answers on Q&A sites like Google Answers yields higher-quality responses. The study, which examined 126 questions across various sites, revealed that low fees can match or even surpass the quality of paid services.
A USC Marshall study finds that associating a new product with rivals helps create new markets in the minds of journalists and audiences. By dignifying competition, firms can get more attention and boost consumer demand.
New Bt corn varieties have shown reduced levels of aflatoxin and lower rates of fungal infection, offering a potential solution to the global threat of this deadly toxin. The developments come as part of Monsanto's efforts to engineer better corn crops resistant to insect pests and environmental stressors.
A recent study published in Mayo Clinic Proceedings found that 42% of patients who underwent transurethral microwave therapy experienced significant blood pressure surges. Men with enlarged prostates are at higher risk for cardiac events, and monitoring is crucial to manage these risks.
A randomized controlled trial found that combining TACE and RFA therapies resulted in longer survival times for patients with large liver cancer tumors. The therapy improved survival by slowing tumor progression and blocking the blood supply to the tumor.
A large-scale study published in Journal of the American Medical Association finds that omega-3 fatty acids offer no benefit for preventing relapse in Crohn's disease. However, patients who took omega-3 supplements experienced significantly lower triglyceride levels, a risk factor for heart disease.
A growing trend of premature trial stops is raising concerns about patient safety and the over-statement of treatment effects. Italian researchers analyzed 25 trials that stopped due to patient benefits, finding that most were linked to marketing applications, potentially prioritizing industry interests.
A randomized controlled trial found that conjugated equine estrogen increased the risk of benign proliferative breast disease by more than two-fold. Women taking estrogen supplements had 155 cases of benign disease compared to 77 in the placebo group.
Researchers at Purdue University have created a needle-size device that can track tumors and provide real-time information on the radiation dose received. The device uses radio frequency identification technology and has the potential to improve treatment accuracy without exposing patients to damaging X-rays.
A study of 700 participants found that young men and women look for complete opposites when it comes to relationships, with men preferring open women and women preferring men with potential for long-term relationships. Facial features such as squarer jaws and smaller eyes are associated with masculinity.
Dr. Thomas H. Wakeman III, a Research Professor at Stevens, has been awarded New Jersey's 'Educator of the Year' by the American Society of Civil Engineers (ASCE). He is the Deputy Director of Stevens' Center for Maritime Systems and has expertise in port security.
A team of Israeli and Palestinian archaeologists, guided by UCLA and USC experts, has reached the first-ever agreement on the disposition of the region's archaeological heritage. The 39-point document proposes repatriation of artifacts to their original state, protection of cultural sites, and equal access for scholars and the public.
A clinical trial found that patients with diabetes who reduced their blood pressure and LDL-cholesterol to below standard target levels had a greater decrease in carotid artery wall thickness, but no significant difference in cardiovascular disease events. Targeted treatment of these conditions improved surrogate measures of cardiovasc...
Researchers successfully relocated the elusive Drosophila endobranchia species on land-crabs in Grand Cayman, shedding light on its evolutionary history. The study revealed that these flies are closely related to other Caribbean crab flies, suggesting a unique adaptation to their unusual breeding habitat.
Researchers are testing Metformine, a diabetes medication, to treat epilepsy by targeting the brain's energy sensing mechanism. Early results suggest it may reduce seizure frequency without affecting learning and memory.
A computer-based program using a video doctor sharply reduces HIV-positive patients' sexual and drug risk behaviors, according to UCSF researchers. The Positive Choice program was tested at five San Francisco Bay Area outpatient clinics and showed significant reductions in risky behaviors among participants.
Researchers at Northwestern University have created semitransparent, highly conductive films from carbon nanotubes with improved conductivity and mechanical flexibility. These films mimic stained glass appearance and could lead to advancements in flat-panel displays, solar cells, and other energy-efficient technologies.
Researchers have identified two strains of mice that exhibit high rates of maternal neglect, which reflects disrupted reward-seeking behavior and abnormal dopamine signaling. The study provides a valuable opportunity to investigate the biological and behavioral bases of naturally occurring maternal neglect.
Purdue University researchers found that manufactured nanoparticles, known as Buckyballs, do not affect microbes that break down organic substances in wastewater. The study's lead author notes that the microbes' resiliency to high Buckyball levels is an important finding for assessing environmental behavior of nanomaterials.
New study analyzes commercially made carbon nanotubes, finding vastly different compositions and potential emissions of toxic chemicals. Researchers aim to work proactively with industry to prevent environmental mistakes, highlighting the need for better understanding and regulation of nanotechnology manufacturing processes.
Researchers have identified KLF4 as a key player in the early stages of fat formation, connecting the dots between molecular processes that lead to adipogenesis. By understanding how KLF4 influences C/EBPß activity and drives fat production, scientists may be able to intervene and alter fat development.
Researchers explore a new approach to treating epilepsy by using the diabetes drug metformine, which targets metabolic pathways similar to a ketogenic diet. The study's findings suggest that metformine may suppress over-active nerve cells by removing excess energy production.
A team of scientists has solved the mystery of how proteins control bacterial cell division, a crucial process that can be targeted by new antibiotics. By understanding the role of protein MinC, they have identified a potential target for drug development.
Researchers have discovered innovative ways to create polycarbonate plastics from carbon dioxide, which could lead to the production of more affordable, safer, and environmentally friendly products. The new process has the potential to significantly reduce greenhouse gas emissions by trapping CO2 in plastics.
A discussion-based scenario was shared by Lori Unruh Snyder to teach critical thinking about food biotechnology. The exercise helped students understand the conflict between those affected and policymakers, as well as regional opinions impacting the world. By debating pros and cons of biotechnology globally, students enhanced their cri...
Recent studies suggest that preoperative chemotherapy can be effective in early breast cancer treatment, but individual responses may vary. Additionally, a case-control study found no increased risk of cancer among frequent blood donors. Furthermore, researchers have identified a novel mechanism to overcome resistance to targeted thera...
A new study using rats found that THC combined with mildly intoxicating doses of alcohol induced widespread nerve cell death in the brain. The study also showed that THC enhanced the neurotoxic effect of other substances, including phenobarbital and MK-801.
The 2004 California Long-Term Care Reimbursement Act increased MediCal costs by nearly 9% but failed to improve quality or access to care. Nursing home staffing levels remained lower than recommended numbers, and staff turnover increased significantly.
A new project uses street theater to teach young children about the basics of science, including chemistry and the scientific method. The 'Science-In-A-Box' initiative has shown significant improvements in kids' understanding of science concepts and their appreciation for science.
A randomized controlled trial found that high-dose chemotherapy did not increase survival rates for patients with small cell lung cancer. Despite increased tumor shrinkage, the high-intensity approach was deemed ineffective and highly toxic.
HealthGrades study reveals medical errors cost Medicare program $8.8 billion and result in 1.1 million patient safety incidents, with top-performing hospitals having 43% lower incident rate. Potentially preventable deaths total 238,337, and could have been avoided at a savings of over $2 billion.
Researchers have found that two drugs can bind to receptor sites on some tumors in different places at the same time. This discovery implies the possibility of a new combination therapy targeting EGFR proteins, which are present on the surface of many types of cancer cells.
Researchers developed a special filter that quickly removes prion proteins, causing mad cow disease and Creutzfeldt-Jakob disease, from blood. The device has been approved for use in Europe and is expected to be commercialized in Ireland and the UK in mid 2008.
The article addresses the importance of sharing data in clinical trials for heart studies, including situations where interim data should be shared with operational study personnel and sponsors. The authors emphasize the need for caution and careful consideration before releasing interim data, particularly when it comes to trial credib...
Researchers at Argonne National Laboratory, led by Valerii Vinokur and Tatyana Baturina, have created a new type of insulator called a superinsulator. By cooling the material to near absolute zero, they observed a sudden increase in resistance, opening up new possibilities for microelectronics and energy-efficient devices.
Researchers discovered a preference for certain DNA letters across intron regions and the opposite preference in coding regions, affecting at least a third of the genome. This finding supports previous studies suggesting that non-coding DNA is biologically important.
Researchers discovered that duplicated regions of DNA containing the BRAF gene lead to increased tumor growth. Targeting the MAPK pathway, which is downstream of BRAF, may provide a new approach for treating individuals with low-grade astrocytomas.
A study suggests that changes in diagnostic criteria for developmental language disorders may be contributing to the increase in autism diagnoses. The research found that around a quarter of children diagnosed with language impairments as children would now meet current criteria for autistic spectrum disorder.
A new study finds that sea salt and urban/shipping pollution combine to create a highly toxic mixture of ground-level ozone and pollutants in coastal areas. Researchers detected unusually high levels of nitryl chloride, a key contributor to air pollution, where these two pollutants meet in the southeastern US.
A RIT team successfully simulated the merger of three black holes, confirming a robust computer code and predicting distinct gravitational signatures. The simulation, which uses high-performance computing, is essential for detecting gravity waves that may confirm the existence of black holes.
Researchers found that a higher number of positive experiences is associated with fewer symptoms of depression and better quality of life in people with MS. The study suggests incorporating daily activities like thanking someone or exercising can limit the risks and costs of medical treatments for depression.
Rachel L. Stricof, a leading expert in infection prevention, has been recognized with the prestigious Carole DeMille Achievement Award for her dedication to improving health and patient safety. With over 30 years of experience, she has established innovative reporting systems and collaborated with policymakers to reduce HAI rates.
A symposium on energy research highlighted the need for transformational breakthroughs to meet future energy demands while minimizing greenhouse gas emissions. Scientists discussed various renewable energy sources, including solar, nuclear power, hydrogen economy, and catalysis for transportation fuels.
Researchers found that T cells in chronically infected patients are triggered to commit suicide due to the presence of a protein called 'Bim'. This discovery provides a new target for developing therapies and vaccines to boost the body's ability to manage Hepatitis B infection.
A University of Iowa study reveals a biological link between pain and fatigue, with a protein called ASIC3 playing a crucial role in protecting against muscle fatigue in women. Women are more likely to be diagnosed with chronic pain conditions like fibromyalgia and chronic fatigue syndrome due to hormonal differences.
Renowned chemist Harry Gray foresees a 10-year period of research and development to reduce the cost of solar energy, making it competitive with petroleum. The goal is to harness sunlight to split water into hydrogen and oxygen, providing a clean fuel source.
Physicists have made significant breakthrough in understanding wetting theory with the development of a new simplified mathematical formula. The formula explains fluctuations in liquid droplets on surfaces, resolving long-standing problems and outstanding discrepancies between experiments and simulations.
Sleep problems are extremely common in children with ADHD, associated with poorer child psychosocial quality of life and caregiver mental health. The prevalence of mild to moderate sleep problems was found to be significant, with difficulties falling asleep and resisting bedtime being common symptoms.
Researchers discovered that house dust is home to hundreds of bacterial species, with those from the human gut being prevalent. The study found that indoor environments harbor diverse microbial populations, and seasonal dynamics play a role in their distribution.
A study found that certain parenting behaviors, such as cosleeping and giving food to children after waking, can lead to sleep disturbances later in childhood. These behaviors were associated with bad dreams, short total sleep time, and delays in falling asleep.
A recent Geisinger study found that reviewing patient files in the Electronic Health Record reduces elderly patients' use of psychoactive medications linked to increased fall risk. This decrease in medication usage has the potential to significantly reduce falls among the elderly, a major cause of injury and death.
A new algorithm ranks abnormal genes according to their likelihood of contributing to cancer. The study found that a specific gene plays a crucial role in regulating tumor growth and that its loss triggers a shutdown of a key pathway, leading to unchecked cell proliferation.
Researchers studied 917 older Catholic nuns and found that depressive symptoms did not increase before diagnosis with Alzheimer's disease. Instead, those with more symptoms were more likely to develop the condition, implying depression may be a risk factor for dementia.
Researchers used XMM-Newton to observe four polar BAL quasars, finding two of them emitted more X-rays than anticipated, suggesting a lack of absorbing gas. This discovery may indicate that BAL quasars are more complex than initially thought, with both equatorial and polar outflows potentially occurring simultaneously.
Scott A. Strobel has made seminal contributions to the understanding of RNA structure and function, revealing its catalytic role through various disciplines. He will give the award lecture at the American Society of Biochemistry and Molecular Biology annual meeting.
Carnegie Mellon University researchers have developed a new manufacturing strategy that can improve the efficiency of drug delivery patches, solar cells, and high-performance computing by controlling particle distribution with electric fields. The method offers flexibility, precision, and simplicity, revolutionizing two-dimensional nan...
Research finds that leaky blood vessels in mice with ALS mutations expose neurons to toxic substances, contributing to disease progression. The study opens a new front in understanding ALS, a debilitating disease that affects motor neurons.
A study by the American Academy of Neurology found that people with a history of depression are more likely to develop Alzheimer's disease than those without one. The risk was particularly high for individuals who experienced depression before age 60, with nearly four times greater likelihood of developing the condition.
A study by researchers at the University of Mississippi found that consuming green tea's EGCG significantly inhibits breast tumor growth and angiogenesis in female mice. The results suggest that EGCG may provide protection against breast cancer by targeting tumor blood vessels and cells.