Researchers have successfully synthesized fluorescent gold nanoparticles within human hair for potential use in hair dyeing, electronic sensors, and medical diagnostic tests. The gold particles were formed inside the hair's central core cortex after soaking white hairs in a solution of a gold compound.
A new poll from Harvard School of Public Health shows the US public supports continued investment in Federal Nutrition Assistance Program (SNAP). Americans support policies to improve nutritional impact by incentivizing healthy food purchases and restricting sugary drinks. The survey garnered responses from 3,024 adults, with a majorit...
A new study found that bag-in-box wines are more prone to developing unpleasant flavors and aromas when stored at warm temperatures. Storing these wines at cooler temperatures can help preserve their taste and aroma.
Researchers developed a plaque-specific antibody that clears existing β-amyloid deposits in Alzheimer's disease mice, promoting potential treatment development. The study suggests that targeting insoluble amyloid beta is critical for plaque removal without microhemorrhage side effects.
Patients with severe back pain who quit smoking reported less pain than those who continued to smoke, according to a recent study. The study found that quitting smoking led to significant improvements in pain levels and disability indexes for nonsmokers.
University of Rochester Medical Center scientists have discovered a new approach to speed up blood stem cell recovery after a vulnerable period following a stem-cell transplant. Prostaglandin E2 boosts blood production and protects the surrounding microenvironment, offering new hope for patients with leukemia or other blood disorders.
Researchers found average wind speeds declined by 15% inland while remaining steady on the coast. Climate change and urbanization are potential factors contributing to this trend.
A new study using satellite images suggests that invasive cheatgrass is a significant cause of larger, hotter and more frequent range fires in the Great Basin. Cheatgrass fueled most of the largest fires over the past decade, influencing 39 of the largest 50.
Research finds that HIV-infected children have a 2.5-fold increased risk of early atherosclerosis damage, leading to cardiovascular disease. Experts recommend aggressive treatment of high cholesterol and promotion of healthy lifestyles to prevent complications.
A team of Princeton researchers found that using synthetic fuel made from coal, natural gas, and non-food crops could cut US vehicle greenhouse emissions by up to 50% in the next several decades. The process is competitive with crude oil production and has potential environmental advantages.
Researchers have identified 75 genetic regions that influence red blood cell formation, shedding light on the biological pathways and mechanisms involved in controlling the size and number of red blood cells. This discovery may lead to new insights into the genetics of anaemia and potential treatments.
Researchers at NASA's Goddard Space Flight Center are developing graphene-based sensors to detect atomic oxygen and other trace elements in the upper atmosphere, as well as structural strains in spacecraft. The sensors could greatly simplify the measurement of atomic oxygen and provide insights into the impact on spacecraft lifetime.
Researchers used numerical dating to test the sequence stratigraphy model, validating its predictions and improving understanding of long-term climate changes and extinction events. The findings also provide insights into human-induced changes in ecosystems that predate the Anthropocene Epoch.
Researchers found that over 14,000 fish from Czech Christmas markets aligned themselves along the north-south axis, suggesting an unknown capacity for geomagnetic sensing. The fish's orientation was unaffected by human presence or environmental stimuli, pointing to a likely geomagnetic cue.
A University of Colorado Cancer Center review suggests rice bran offers anti-cancer properties due to its synergistic bioactive compounds. The clinical trial tests rice bran's effectiveness in preventing colon cancer recurrence, with researchers exploring the optimal composition and daily intake for chemoprevention.
Researchers developed a new method to analyze genetic data to learn about population history, using the Ashkenazi Jews and Masai people as test subjects. This approach allows for detailed events in recent history to be recovered within the last few centuries.
A new study in rats identifies a region called the postrhinal cortex that links objects to places in the brain, integrating spatial and nonspatial information upstream of the hippocampus. This finding has implications for treating traumatic brain injuries and neuropsychiatric diseases such as schizophrenia and depression.
A recent study published in Bioscience highlights the importance of long-term, site-specific research to understand climate change's impact on ecosystem structure and function. Climate-driven changes affect multiple components of forest ecosystems, including hydrologic variables, phenology, and plant community composition.
A new study conducted by Mayo Clinic reveals that sentinel lymph node surgery can accurately identify residual breast cancer in lymph nodes after chemotherapy, with a success rate of 91%. The procedure removed only a few lymph nodes, reducing surgical complications, and found complete eradication of cancer in 40% of patients.
Researchers have found evidence of smoke from Arctic wildfires drifting over the Greenland ice sheet, darkening its surface and increasing the likelihood of melting. The soot from these fires can capture the sun's heat, accelerating the melting process.
Volunteers who saw larger portions before eating reported less hunger 2-3 hours later, while those seeing smaller portions did not. This suggests that cognitive processes influence feelings of satiety after meals.
Researchers compared standardized driving tests with natural driving and found that individuals with cognitive impairment had more errors, but also a greater number of severe errors on the standardized test. The study suggests that standardized tests may be more cognitively demanding than natural driving.
A recent study published in BMJ Open found that low-income individuals have poorer adherence to the Mediterranean diet, leading to higher rates of obesity. The researchers analyzed data from 13,000 participants and discovered a significant association between income levels and dietary habits.
Researchers identified MECP2 duplication syndrome as a cause of recurrent infections and neurological problems in infant boys. The study found that excess MeCP2 protein suppressed gamma interferon production, leading to partial immunodeficiency. This deficiency made it difficult for the immune system to fight off certain infections, su...
Typhoon Bopha intensified with a 'hot tower' thunderstorm reaching 12 kilometers high, indicating storm intensification within 6 hours. The storm also produced areas of bitterly cold cloud-top temperatures of -63C/-81F, where the strongest thunderstorms and heaviest rainfall were found.
The UMass Medical School is enrolling expectant mothers from Worcester County in a pilot program of the National Children's Study. The study aims to determine how environmental factors impact children's growth, development, and disease onset. Data collectors will meet participants at home twice during pregnancy and again after birth.
A new analysis by Professor Sara Rosenbaum finds that severe Medicaid cuts would cripple the US healthcare system, halting state expansions for low-income adults. The block grant proposal is the most far-reaching plan under consideration, but other approaches also miss the mark.
A recent study found that true aspirin resistance is extremely rare, with no cases identified. However, coated aspirin may lead to a false diagnosis due to delayed absorption and coating effects.
Consumers with individual insurance policies received $394 million in rebates, while insurers reduced overhead by $560 million. The Affordable Care Act's medical loss ratio provision led to improvements in administrative costs and medical loss ratios in the individual market.
A study found that pregnant women who follow a Western diet, high in saturated fats but low in carbohydrates, increase the risk of their child being born with a diabetogenic profile. The researchers emphasize the importance of a balanced Mediterranean diet during pregnancy to avoid this risk.
Researchers at VCU Massey Cancer Center have identified a potential mechanism for reducing obesity by targeting the production of enzyme Tyk2. The study found that Tyk2 helps regulate brown adipose tissue (BAT), which is responsible for energy expenditure and maintenance of body temperature. By manipulating Tyk2 levels, scientists were...
Research suggests that benzodiazepines may increase the risk of contracting pneumonia by as much as 50% and dying from it within 30 days. The study analyzed health records of over 9 million patients, finding a significant association between benzodiazepine use and increased risk of pneumonia and mortality.
Scientists have discovered a way to control dielectrics using short and intense laser pulses, enabling extremely fast processing. This breakthrough could lead to the development of transistors that are 10,000 times faster than current semiconductors.
Researchers found that invasive cheatgrass is linked to larger and more frequent fires, particularly in the Great Basin. The study used satellite imagery to identify cheatgrass in disproportionately high numbers of fires.
Researchers analyzed microbial DNA in 252 stool samples to catalog genetic variation, finding over 10 million single-letter changes in collective DNA. The data could aid understanding of how human genes interact with microbes to maintain health or cause disease.
A team of researchers at MIT analyzed light from a quasar, which is the most distant object known, to study the era of the first stars and galaxies. They found no evidence of heavy elements in the surrounding gaseous cloud, suggesting that the quasar dates back to an era nearing the universe's first stars.
The discovery of L1527 IRS marks the oldest known solar system in formation, with a rotating dust disk and a protostar expected to grow to match the Sun's mass. The system is thought to be around 300,000 years old, compared to the 4.6 billion-year age of our own Solar System.
A new study using Pokemon experts and non-experts found that a more generalized system processes faces and expert objects, supporting the expertise hypothesis. Brain signals in the fusiform face area were stronger in experts when looking at Pokemon characters.
The adult antiviral drug tenofovir disoproxil fumarate (tenofovir DF) has been found to be safe and effective in treating adolescents with hepatitis B virus (HBV), with a virologic response rate of 89% in pediatric participants. This study contributes to the growing body of evidence on the management of chronic HBV in children and teens.
Researchers combined video imaging and gas analyzers to track bed bug chemical signals, revealing new insights into behavior and mating habits. The study found distinct increases in chemicals during defense against unwanted mating attempts and individual variations in emissions.
Research by Pia Aravena and colleagues found that hearing action-related verbs can induce unconscious physical responses, such as increased grip force. The study used sentence structures with positive or negative verbs to explore language-induced motor activity in the human brain.
Researchers at Johns Hopkins Medicine have successfully implanted a pacemaker-like device in the brain of an Alzheimer's disease patient, marking the first such operation in the US. The device aims to boost memory and reverse cognitive decline by providing deep brain stimulation.
Researchers have developed a simple breath analysis technique that can screen for colorectal cancer with an accuracy of over 75%. The method analyzes volatile organic compounds in exhaled breath, which are different in patients with cancer.
A recent study published in Human Reproduction found that children born after infertility treatment have a higher risk of developing asthma. At the age of five, these children were two to four times more likely to experience asthma, wheezing, and take anti-asthmatic medication compared to those conceived naturally.
Researchers will study how maternal parasite infections affect fetal immune systems to identify effective interventions promoting healthy growth in children. The goal is to understand the causes of stunted growth and develop affordable solutions.
Gladstone researchers propose targeting ApoE4 as a new strategy for treating Alzheimer's disease. They suggest that drugs can correct the shape of the ApoE4 protein, slowing or stopping its progression.
Researchers at Western University identified a common mechanism in the pre-limbic cortex to control recall of memories linked to aversive experiences in PTSD and rewarding memories in drug addiction. Stimulating a specific dopamine receptor subtype can prevent spontaneous recall of both types of memories without altering their integrity.
A team of researchers at Brigham and Women's Hospital used innovative technology to identify the origins of new cardiac cells. They found that these cells primarily arose from existing heart muscle cells, rather than stem cells, in a process that may be limited by age.
A new review of existing research reveals no scientific evidence that erythropoietin enhances athletic performance. However, it highlights the potential health risks associated with EPO use, including increased blood clot risk and organ damage.
A recent study found that exercise in horses reduced embryo recovery rates and quality, potentially impacting early embryonic development. The research also suggests a possible link between intense exercise and detrimental effects on female reproductive blood flow, highlighting the need for further studies.
Astronomers have identified a new class of galaxies, known as green beans, which are rare and display the largest and brightest glowing regions ever found. These giant glows are thought to be echoes from when the central black hole was more active in the past, providing valuable insights into galaxy evolution.
Researchers at the University of Warwick have identified hundreds of conserved non-coding sequences in the DNA of papaya, poplar, Arabidopsis, and grape species. These sequences are believed to play a crucial role in controlling gene expression and could help scientists develop crops with specific properties, such as drought tolerance.
A study from the University of Gothenburg found that World of Warcraft players require creative thinking and effective communication to maintain their virtual world. The research, published in Symbolic Interaction journal, challenges the assumption that immersive gameplay leads to a loss of contact with reality.
Scientists discovered a previously unrecognized degradation process in silicone-urethane plastics used in medical devices, including pacemakers and defibrillators. The plastics break down within 3-6 years under conditions simulating the human body.
A team of scientists using the world's most powerful X-ray laser has revealed the three-dimensional structure of a key enzyme that enables the single-celled parasite causing African trypanosomiasis, also known as sleeping sickness. This discovery paves the way for designing new drugs to inhibit the parasite without harming humans.
Researchers discover at least four different modules in the brain dedicated to self-location, each with its own internal GPS-like mapping system. The discovery challenges previous understanding of how the brain organizes abstract functions and opens up new possibilities for memory formation.
Researchers have discovered that African Homo sapiens developed significant technologies, including abstract art, jewellery, and bone tools, around 75,000 years ago. This breakthrough supports the idea that Africa was the birthplace of modern human behaviour and cognition.
Researchers found that teenage girls who smoke accumulate less bone during a critical growth period and carry a higher risk of developing osteoporosis later in life. The study suggests that strategies to help prevent osteoporosis should focus on preventing smoking, particularly among adolescent girls.
A new mouse study challenges the widely held view that obesity is caused by high insulin levels. Instead, it suggests that chronically low insulin levels can help prevent weight gain on a high-fat diet. The research provides direct evidence in mammals that circulating insulin drives obesity.
The Carnegie Airborne Observatory's AToMS system is uncovering a previously invisible ecological world by combining laser and spectral imaging instrumentation to derive simultaneous measurements of an ecosystem's chemistry, structure, biomass, and biodiversity. This technology has applications ranging from mitigating climate change to ...