A recent study reveals that feeding tubes do not necessarily improve the quality of life for patients with severe dementia. The study analyzed data from over 385,000 nursing home residents and found that states with higher rates of
In southern Jordan, a team led by Thomas Levy from UCSD discovered the largest Early Bronze Age metal factory in the Middle East, dated to ca. 2700 BC. The site yielded hundreds of clay casting molds and thousands of stone hammers, anvils, and other artifacts.
Self-tanners contain dihydroxyacetone (DHA), which interacts with skin proteins to create a brown glow. Newer sunscreens offer greater protection against both UVA and UVB radiation, including those developed by Craig Bonda, who found that adding DEHN to avobenzone extends its effectiveness.
A long-term industry-funded rat study has found no statistically significant increases in any tumor type, including brain cancer, after exposure to radio frequency radiation at common cell phone signals. The study builds on earlier research and suggests the greatest hazard with cell-phones is driving a car while talking.
Researchers discovered a molecular switch that guides cell communication before a message reaches the nucleus, adding complexity to understanding cellular signals. This switch determines which signal - calcium or cAMP - will be used, leading to different responses in target proteins and potential therapies for serious disorders.
The US Department of Energy's Argonne National Laboratory has developed a small, portable neutron detector that can detect hidden nuclear weapons and materials. The device uses a wafer of gallium arsenide coated with boron or lithium to detect neutrons, producing a cascade of charged particles that is easy to detect.
Great Lakes rip currents can be deadly, but knowing how to identify them and escape is crucial. Longshore currents flow along the shoreline, while rip currents flow perpendicular to it; always swim perpendicular to the current. Cold water multiplies danger, so take necessary precautions when swimming in cold water.
Researchers at Ohio State University have synthesized hydrogen thioperoxide (HSOH), a sulfur-containing molecule considered a 'missing link' in its chemical family. The molecule's unique spectral pattern was recorded using a new laboratory instrument, FASSST, allowing scientists to study it for the first time.
Research by Wake Forest University professor suggests that hormone replacement therapy can help prevent heart vessel disease when started at the right time. Studies on postmenopausal monkeys and younger women have found a strong link between estrogen therapy and reduced fatty build-up in the heart's arteries.
A population-based study suggests that a diet high in foods containing vitamin E may help protect against Alzheimer's disease, with the most significant protective effect found among those with the lowest dietary vitamin E intake. The study also found no association between vitamin E supplements and reduced risk of AD.
Researchers at Purdue University have developed a new approach to protect software by placing hundreds of tiny 'guards' throughout the code, making it harder for hackers to use the program without permission. The system has shown promising test results and is being licensed to a startup company, Arxan Technologies Inc.
Nearly a third of surveyed glaucoma patients reported difficulties with taking multiple medications, citing missed dosing and inadequate waiting periods. Physicians advocate for more patient education and convenient treatments to improve compliance and vision outcomes.
Mayo Clinic researchers have developed a new imaging test for diagnosing breast cancer using the MR elastography technique, which provides data on tissue stiffness. This technology has shown promising results in detecting breast cancer with high accuracy and may reduce the need for biopsies.
Researchers found that women with breast cancer were more likely to have lived closer together at birth and at menarche than those without the disease. Early environmental exposure may influence breast-cancer risk, according to the study's findings.
Researchers at Ohio State University have found that certain ceramic materials, called cuprates, can switch between two types of superconductivity under specific circumstances. This discovery could settle a long-standing controversy among scientists and potentially lead to the development of buckyball-like superconductivity in ceramics.
Researchers at Texas A&M University are investigating the healing properties of Aloe vera, particularly its polysaccharide, which binds growth factors in wounds and speeds up the healing process. The study aims to improve wound healing for elderly patients with bedsores, diabetic ulcers, and vascular ulcers.
Researchers studying isoprene emissions from oak trees in Houston have found that these reactions can lead to increased ozone production and ground-level air pollution. The study aims to understand the critical steps in this process to mitigate environmental damage.
Working parents spend the same amount of time physically present in school as non-parents, but find ways to care for their children by reducing personal time and leisure activities. Teachers with older children also contribute to childcare by taking on extra duties.
The study aims to optimize planned control of the parasitic fish that have had a devastating impact on native fish populations in Lake Champlain and the Great Lakes. Anglers will be asked to collect marked sea lampreys from their catches, providing valuable data for researchers.
The NOAA-17 satellite has been successfully launched into orbit, providing improved imaging and sounding capabilities for weather forecasting and climate monitoring. The spacecraft will collect meteorological data and transmit it to users worldwide.
Researchers at Washington University School of Medicine have found that a defective form of vWF causes chemical bonds to persist longer than they should, leading to a bleeding disorder. The defect in the vWF protein changes the kinetics of the chemical bonds between the protein and platelets, resulting in the disease.
Allen, a Thomas Worthington High School chemistry teacher, has won the American Chemical Society's Regional Award in High School Chemistry Teaching. Her student-centered approach and extracurricular activities have inspired over 70% of her students to continue studying physics.
A collaborative research programme is examining the works of Dutch painters from the 15th to 20th century, focusing on artist techniques and studio practices. The projects aim to understand paint degradation and restoration procedures, providing valuable insights into the lives and methods of Old Masters.
A new study of 59 chronically ill children reveals that well-adjusted and supportive mothers are less likely to experience depression in their children. Children with stable caregiver relationships tend to cope better with chronic pain, suggesting early interventions for struggling caregivers could benefit the entire family.
The Society for Women's Health Research is launching a new series on women and pharmacology, covering topics such as sex differences in drug metabolism and the risks of polypharmacy. The seven articles will provide valuable information to the public on how drugs affect women and inform efforts to improve women's health.
Six scientists are recognized for their groundbreaking work on biodiversity conservation in China, Ecuador, Madagascar, Peru, and the US. The winners' efforts focus on tracking animal evolution, establishing national parks, studying lemur populations, and promoting indigenous cooperation.
Scientists have discovered two new monkey species, Callicebus bernhardi and Callicebus stephennashi, which are named after Prince Bernhard and Stephen Nash. These discoveries highlight the vast biodiversity of the Amazon rain forest, with over 95 species of primates found in Brazil alone.
Biologists found that nematodes use a sophisticated mechanism to render transposons harmless, preventing them from making proteins and jumping through DNA.
The American Academy of Neurology has released new guidelines for neuroimaging in premature and low-birth-weight infants. The guidelines recommend screening cranial ultrasonography for all preterm neonates under 30 weeks gestation, with follow-up imaging at 36-40 weeks gestation.
The EO-1 satellite has produced over four times the expected volume of imagery, demonstrating the effectiveness of its Hyperion and Advanced Land Imager (ALI) instruments in monitoring Earth's surfaces. These instruments have already proven invaluable in applications such as forestry and agricultural crop assessment.
The Materials Processing and Characterization (MPC) program at Ames Laboratory is offering research proposals for scientists in Condensed Matter Physics, Materials Science, and Physical Chemistry. Proposed projects can focus on developing fundamental materials processing knowledge, materials process models, or synthesizing novel materi...
Researchers have discovered that protein simulations can be completed in 7 femtoseconds, three times faster than previous methods. This breakthrough enables the efficient calculation of biologically interesting processes such as protein folding.
Brown algae's DNA composition was examined to reorder the division Phaeophyta, resulting in a new classification of 20 orders. A new species, Sphacelaria tsengii, was also discovered with unique propagules used for asexual reproduction.
The Romans developed various pragmatic solutions to water problems, such as using wells in Ostia and small elevations in Pompeii to guide rainwater. However, their sewage systems were often simple and not as advanced as modern standards.
Cancer cells invading blood vessels and lymph vessels allows them to grow anew in other parts of the body. NFAT protein is found to be contributing to aggressive behavior of cancer cells and associated with alpha 6 beta 4 integrin, a hallmark of metastatic tumors.
Researchers at Penn State College of Medicine have discovered that a protein previously thought to be in the nucleus resides in the cytoplasm, correcting a scientific theory since 1992. This finding offers new parameters for understanding gene switches and their role in human diseases.
Researchers found that combining irbesartan with amiodarone significantly reduced the likelihood of recurring atrial fibrillation. The study involved 154 patients and showed a nearly 85% probability of maintaining a stable heartbeat for those treated with irbesartan, compared to 63% for those without.
The new site organizes institute information into seven major categories, including Research, Health, and Careers. NHGRI's commitment to ELSI and educational resources make it a valuable resource for the public and professionals.
Ford researchers Ellen C. Lee and Deborah F. Mielewski discover a new process to evenly distribute silicate clay particles in plastic matrices, resulting in improved strength, lightness, and design flexibility.
Aqua has successfully transmitted engineering images from five of its six instruments, providing a glimpse into the spacecraft's performance and paving the way for operational data in early September. The high-quality data will help improve weather forecasts and advance our understanding of Earth's climate system, particularly the role...
Research by Mayo Clinic found neurological symptoms account for 31% of in-flight medical complaints, with dizziness/vertigo and seizures being the most common reasons for diversion. The study recommends airlines carry anti-epileptic drugs to improve in-flight care
A pioneering liquefied natural gas (LNG) facility has been unveiled in California, featuring a patented technology that dramatically reduces LNG plant size and cost. The new facility can be easily transported and placed close to clean-fuel customers, providing emergency services and faster gas service recovery.
The study found that mortality from melanoma remained relatively stable in Scotland between 1979 and 1993, with a slight decrease in women under 65. Meanwhile, the number of people diagnosed with melanoma has increased each year. The researchers attribute the decline in death rates to improved treatment seeking behavior.
Researchers have identified 22 genes essential to the operations of the body's internal clock, which synchronize behavior and physiology with a near 24-hour cycle. The study found that these genes influence the expression of other genes throughout the body, controlling behaviors like sleep and wakefulness.
A study by van Walraven and Bell found that patients released on Fridays are more likely to die or be readmitted within 30 days. The authors suggest that delays in social services or incomplete discharge information may contribute to this increased risk.
A new program will bring together experts to discuss criteria for selecting stem cell lines and address concerns over safety, transplant rejection, privacy, genetic diversity, and public access. The project aims to anticipate emerging issues and provide a reasoned backdrop for policy decisions.
General Motors researchers have developed a new generation of automobile plastics using molecule-size mineral fillers like clay. The new nanocomposites are stronger, lighter, and offer more design flexibility for automakers.
A study found that customizing HRT education materials can personalize risk versus benefit for individual women, increasing their confidence in decision-making. The intervention helped women accurately perceive their breast cancer risk and weigh its benefits against HRT.
A new laser-imaging system could detect tumors not visible on mammograms and predict benign or malignant growths, reducing unnecessary biopsies. The technology uses light to produce a 3D image of the breast's interior, promising to be a valuable diagnostic tool.
Researchers found that abnormal E-cadherin presence in cervical lesions can prevent abnormal cells from being collected during testing. This could explain why four in 10 Pap smear results come back negative despite biopsy findings showing abnormalities.
A strong primary care system is crucial for a nation's health, with countries boasting robust systems showing the most favorable health indicators at young ages. Strong primary care is particularly important for children, as it significantly impacts postneonatal mortality rates and low birthweight.
Yochum has received the Regional Award for Contributions to Diversity for her efforts to promote women's participation in science. She has established scholarships and programs to encourage female students from underrepresented groups to pursue STEM careers.
Research suggests that wives' full-time employment increases marital stability, contrary to common assumptions. The study found no negative impact on marital happiness but a decrease in risk of subsequent marital disruption.
Researchers have made breakthroughs in open string theory, revealing connections between five distinct versions and investigating the properties of four-dimensional D-branes. Mathematical research has demonstrated that strings can only move along specific lines or surfaces in group spaces, paving the way for further study.
A new study found that estrogen combined with calcium and vitamin D supplements improved jaw mass and density in postmenopausal women, reducing the risk of tooth loss. The study also showed that estrogen had a significant impact on bone mineral density in other parts of the skeleton.
The article highlights the significant impact of behavioral factors on various diseases, including coronary heart disease, diabetes, obesity, and asthma. Research shows that negative emotions can lower immunity, while stress and depression can provoke the release of hormones that affect immune function.
A new project at the University of North Carolina at Chapel Hill is using an innovative 'soap opera' format to teach Spanish to health professionals. The program, called "A su salud!", combines language development and cultural awareness with health content focusing on Spanish-speaking immigrants.
A study found that Actonel significantly slows deterioration in trabecular bone microarchitecture after just one year, while a placebo had no such effect. This suggests that protection of bone microarchitecture may play an important role in bone health.
A study published at the Endocrine Society meeting found elevated cortisol levels in cerebrospinal fluid of child-bearing-aged women with functional hypothalamic amenorrhea (FHA), a condition affecting 5% of reproductive-age women. Cortisol levels were higher than those in circulating blood, suggesting stress impacts more than fertility.
Researchers have discovered high levels of mercury contamination in the Still River and Housatonic River in Danbury, Connecticut, threatening human health through seafood consumption. A 'jubilee' phenomenon has also been recorded in Mobile Bay, Alabama, where abundant seafood is harvested during specific conditions.