The American Heart Association recommends consuming a variety of fruits, vegetables, and whole-grain products to lower cholesterol. Phytochemicals like sterols, flavonoids, and sulfur-containing compounds inhibit cholesterol absorption.
When marriages fail, homes can exacerbate pre-existing problems, causing severe grief among parents and children. A study found that physical housing environment can be problematic before, during, and after divorce, with concerns about upkeep, maintenance, and money troubles common among custodial parents.
The American Heart Association recommends using oils in their natural state for cooking, and choosing softer margarines over harder ones for spreads. New guidelines suggest that these choices can help lower total fat intake and reduce trans fatty acid consumption.
Researchers found that children's negative beliefs about mothers and peers predict rejection and depression in a multidimensional study of 81 preadolescent children. Non-depressed kids tend to have more positive attributes about their mothers, while depressed kids may experience more stress in their family.
Preliminary tests indicate that years of consuming PCB- and DDE-contaminated fish have had no negative effects on fine motor skills. A comprehensive study is ongoing to examine the effects of environmental contaminants on older people.
A new type of thin-film transistor developed at the University of Illinois can enhance laptop computer displays by increasing switching speeds. The transistor contains a buried channel that allows electrons to move faster, permitting much higher resolutions.
A recent study by Drs. Kaufman, Bar-Matthews, and Ayalon analyzed stalactite samples to reconstruct ancient climatic changes. The research found that the region experienced dry and cool conditions from 20,000 to 58,000 years ago, with significant rainfall fluctuations occurring after 6,000 years ago.
Jango, a new software robot developed by the University of Washington, uses a novel web navigation technology to automatically search the web for products and provide users with detailed information. The robot can initiate orders and protect user credit card information through encryption.
A four-phase intensive treatment program, CALM, increases relationship stability and helps clients maintain sobriety through improved communication skills. The program also shows cost savings and reduces domestic violence incidents after treatment
Researchers at UT Southwestern Medical Center have identified three genes controlling early heart formation, which may lead to new treatments for congenital and adult heart disease. The study found that the absence of these genes can result in cardiac anomalies, highlighting the potential for targeted therapies.
Selective hypothesis testing, considering only one possible outcome, contributes to overestimation of probability and increased gambling decisions. Training in abstract reasoning skills may counteract this influence.
Researchers have discovered a novel physiological role for UG in mice, suggesting its essentiality in preventing kidney fibrosis and neonatal BPD. UG deficiency leads to inflammation and fibrosis of lung tissue, resulting in respiratory inhibition.
Researchers found that women with low body iron but no anemia use more effort to perform physical work or exercise compared to those with normal iron levels. Iron depletion without anemia significantly impairs work capacity and physical performance.
A new study at Ohio University found that changes in muscle cells with aging limit muscle growth, and the number of special cells required for muscle growth decreases as people age. This reduction limits how much a muscle can grow.
Researchers have synthesized two protein fragments that effectively immunize mice against lupus. These findings may lead to more focused treatments with fewer side effects.
A new study by Prof. Mordechai Milgrom proposes a radical alternative to the existence of invisible dark matter, instead suggesting that modifications to Newton's laws are needed for giant galactic systems. The theory, known as MOdified Nonrelativistic Dynamics, could revolutionize our understanding of the universe.
The Unified Data Meta Model (UDMM) integrates CAD, CAPP, and MRP systems to enable efficient data transfer between them, reducing production time and costs. This integration allows industrial engineers to work more efficiently throughout the manufacturing process.
A new device invented by Ohio University researchers can control zebra mussel infestations in enclosed water conduits, ballast tanks, and water supplies. The device uses commercially available vacuum systems to lower oxygen levels, preventing mussels from attaching to surfaces.
Researchers have developed a new model that accurately predicts Dungeness crab population fluctuations, combining internal and external factors. The study provides a rare instance where a modeled understanding agrees with field data, offering insights into the elusiveness of population predictability.
Scientists have identified a new factor regulating lymphatic vessel growth, which may lead to ways of repairing damaged vessels and better understanding of certain types of cancer. The discovery of VEGF-C could also improve healing after lymph node removal in breast cancer surgery or prevent tumors affecting the lymphatic system.
A recent NIH study suggests that a significant number of people, particularly those with a specific genetic variant, may require increased folate intake to compensate for their genetic deficiency. This finding has implications for the recommended daily allowance and may lead to reviews of dietary reference values.
University of Pennsylvania researchers discover three-dimensional atomic structure of vancomycin using X-ray diffraction analysis. The advance provides detailed knowledge about the vancomycin molecule to help design new antibiotics effective against vancomycin-resistant bacteria.
Researchers have identified a gene, CBFA1, essential for bone-forming cells to arise in the embryo. Disruption of this gene causes cleidocranial dysplasia, a developmental disorder that stunts bone growth.
A new hominid species, Homo antecessor, has been identified in Spanish fossils, dating back 800,000 years. The species' modern-looking mid-face and primitive cranium traits suggest a complex evolutionary history, potentially challenging current theories on human migration and settlement of Europe.
Researchers at Johns Hopkins Medicine have successfully delivered genes to nearly 100% of muscle cells in a rabbit heart using a disabled adenovirus as a carrier. This breakthrough could pave the way for gene therapy to treat various heart diseases, including congestive heart failure and familial hypertrophic cardiomyopathy.
Contrails can indeed influence regional climate due to their potential to increase cloud cover, which can disrupt the radiation balance and affect climate. The study suggests that contrails may be more significant than previously thought due to their ability to modify energy distribution and feed other cloud formation processes.
Researchers at the University of Chicago found a protein molecule that transmits genetic traits without DNA or RNA in yeast, forming long fibers like those seen in neurodegenerative diseases. This discovery sheds light on the mechanism behind these devastating brain disorders.
Researchers at University at Buffalo document relationship between initial and secondary injuries in runners, revealing altered running mechanics that can lead to further joint and muscle issues. Study findings may lay groundwork for developing 'prescriptions' to prevent secondary injuries.
Scientists from the National Science Foundation and IRIS have ruled out cult activities and nuclear detonations as causes of a 1993 Australian seismic event. They now believe that an iron meteorite of about two meters in diameter could have created the tremors, but no crater has been found.
Researchers found that houseflies can harbor Helicobacter pylori bacteria on their skin and in their digestive tract for up to 30 hours after exposure. The study suggests that flies may act as vectors in the transmission of H. pylori, particularly in areas with poor sanitation.
Researchers caught Kilauea's erupting volcano in a net by analyzing GPS data, revealing the ground stretching and expanding before the rift opened. The team predicts that future analysis of similar events could enable quick warnings for lava flows, allowing people to evacuate in time.
Scientists model 1883 tsunami impact on English Bay and Homer Spit, predicting energy absorption at Anchor Point and flooding risk at Homer Spit. The model helps emergency planners understand risks and plan for potential landslides and tidal waves.
Researchers found that Conservation Reserve Program lands provide substantial breeding habitat for small grassland birds. The study suggests the program may be helping to stem decline in bird populations, with some species experiencing long-term population increases.
New data from the University of Delaware reveals that solar wind is not a simple, wave-like entity but rather a dynamic phenomenon with complex fluctuations. Understanding these fluctuations may enable prediction of cosmic disturbances and provide warnings for astronauts and utility companies.
Researchers calculate neutron star's mass by measuring X-ray pulses from innermost orbit, revealing a massive star about twice the sun's mass. The findings provide new insights into the birth and evolution of neutron stars.
Despite significant advances in cancer treatment, age-adjusted death rates from cancer have barely declined since 1991. The authors argue that resources should be redirected towards prevention and early detection, citing the challenges of changing behaviors such as smoking and diet.
The Bluff Great House in Utah has yielded new insights into the Chaco culture, with CU-Boulder students playing a key role in excavations. The site, linked to the mighty Chaco culture, features a great kiva and prehistoric roads.
A study by the University of Pennsylvania School of Medicine found that postmortem sperm procurement requests are increasing, with over half made between 1994 and 1995. Most requests were from wives seeking to create children for their deceased husbands.
A new study shows that giving the drug for a longer period can significantly improve recovery over the standard treatment. About 60% of patients treated with 48-hour methylprednisolone starting at three to eight hours recovered a substantial degree of independence.
The new method allows engineers to visualize how changes in their designs will affect design requirements. Graph morphing enables designers to see the trade-offs between different design variables, making it easier to understand relationships between subsystems.
The ACIS camera will record the energy of each X-ray detected from high-energy objects as unique charge, converting it into a signal to detect different elements. It has very high angular resolution and spectral resolution, allowing scientists to see individual stars for the first time in crowded regions.
Scientists at UB and IBM have reported the first irrefutable proof that d-wave theory is responsible for high-temperature superconductivity in a thallium thin film. This finding builds on earlier work and provides conclusive evidence for proponents of the d-wave theory.
A recent study found that potassium supplements decreased blood pressure by significant amounts, particularly in those with hypertension or high salt intake. The researchers combined data from over 30 studies and enrolled more than 2500 persons, concluding that potassium can reduce blood pressure.
The University of Washington School of Pharmacy has developed a systematic approach to understanding drug interactions by focusing on the four or five enzymes that metabolize most drugs. This research is producing an understanding of the potential for adverse effects among thousands of drug combinations.
A Carnegie Mellon robot, 'Nomad', will traverse 125 miles in the Atacama Desert, exploring navigation, geology and remote operations. The robot can be teleoperated by science center visitors, offering real-time data and visualization.
The Hayward Fault's southern end has moved at double the rate of its northern portion, causing rocks to be 'piled up' on one side and stretched on the other. This increased strain suggests a magnitude 6 earthquake could occur in the near future.
The University of Cincinnati engineers have created a unique high-performance concrete (HPC) mix that significantly strengthens conventional concrete. Tests show the HPC can last up to 80 years without major maintenance due to its denser material and resistance to freeze-thaw cycles.
Researchers analyzed seismic data to determine cause of 1993 event in Australian outback. An iron meteorite over 3 meters in diameter is suggested as possible cause.
Researchers found that leptin reduces insulin secretion in pancreatic beta cells by interacting with receptors and activating ion channels. The study suggests that treatment with leptin or sensitizing drugs may help prevent diabetes in obese individuals with fasting hyper-insulinemia.
Researchers found that elevated homocysteine can be lethal to certain nerve cells, leading to cell death and strokes. A drug blocking NMDA receptor activation may have major benefits in treating hyperhomocysteinemia-related strokes in people under 50.
Researchers at Penn State have discovered that millions of tiny, previously undetected invaders enter the Earth's atmosphere daily. These micrometeorites are thought to be leftover material from the formation of the solar system and carry significant energy, potentially damaging satellites and spacecraft.
The discovery contradicts the 'sulfate paradigm' which suggested sulfates offset the cooling effect of greenhouse gases. New findings indicate a potential increase in global warming due to absorbing solar radiation, not reflecting it like sulfates.
A team of researchers from Penn State is investigating the connection between sedimentation patterns at the river's mouth, land use patterns in the basin, and climate variability. They plan to analyze sediment cores using lead isotope ratios and pollen to link core layers with climate and sedimentary regimes.
Researchers at Oregon Health & Science University found that adenosine triphosphate (ATP) stimulates pain-sensing nerves by binding to a receptor called P2X3 on nerve cell membranes. This discovery may pave the way for the design of new pain-relieving drugs.
Researchers at the University of California, Davis have identified a key gene involved in fruit ripening, which could lead to genetically engineered tomatoes with improved shelf life. The LeExp1 gene produces expansin proteins that loosen plant cell walls, allowing cells to elongate during growth.
Research suggests that ocean heat transport, rather than Milankovitch cycles, is driving the cooling trend in Greenland's climate. The thermometers from the Greenland ice cores indicate that summers have cooled and winters have warmed over the past 8,000 years.
Scientists have developed techniques to directly image the deformation of materials like diamond under ultrahigh pressures, showing that it can bend without failing. The results suggest ways to improve high-pressure techniques and reveal enhanced material strength at extreme pressures.
Researchers at Duke University have discovered that nerve growth factors can oppose each other in the brain, shaping neural networks in response to experience and learning. This finding has significant implications for the development of therapies for neurodegenerative disorders such as ALS and Alzheimer's disease.
Researchers have made a breakthrough in understanding how nutrients and vitamins enter living cells, finding that membrane proteins act like gates to regulate entry and acquire essential molecules. The study reveals dynamic entities capable of sensing their environment and actively acquiring substances needed for cell growth.
A recent study comparing US and Canadian heart attack patient care found small but statistically significant short-term edges for American cardiac care. However, overall data suggest conservative Canadian practices may favor better long-term outcomes.