Researchers examined erosion rates along a Scandinavian Ice Sheet margin over the past 2.7 million years, finding higher delivery rates for the most recent 600,000 years. In another study, ancient river sediments preserved records of California's topography and climate during intense global warming 50 million years ago.
Dr. David Vaccari, Stevens Institute of Technology associate professor and director of Civil, Environmental and Ocean Engineering Department, received the 2009 Educator of the Year Award from New Jersey ACEC for his positive impact on the engineering profession.
A new study from the University of Michigan Comprehensive Cancer Center found that most breast cancer surgeons' practices do not meet quality care standards. Only about one-third of surgeons reported offering patient education resources and connecting patients with peers.
An online intervention platform, CheckYourDrinking.net, has been shown to reduce problem alcohol use by 30% in a Canadian study. The platform provides personalized feedback and motivation tools to help users change their drinking behaviors.
A systematic review found IAD to be as effective as continuous androgen deprivation while improving survival rates and sexual potency. The approach has been a valid treatment option for nonmetastatic PCa cases, offering key tolerability and quality of life benefits.
The researchers are developing high-level policy languages and verification techniques to ensure secure information flow in complex systems. Their tools provide graphical visualizations of information flow behavior, allowing designers and auditors to quickly understand a system's security protocols. The goal is to enable rapid informat...
The study found that all three groups demonstrated improvements in physical function tests and decreased self-reported pain and disability. Self-management programs showed the highest compliance rates, leading researchers to suggest they may be an equally effective early treatment for knee OA.
Researchers have identified a leptin-controlled gene that can reverse diabetes in animals and may have similar therapeutic effects in humans. The study found that low levels of leptin can correct insulin resistance and diabetes without causing significant weight loss.
A new UK study has found no evidence of the XMRV virus in patients with Chronic Fatigue Syndrome (CFS), contradicting previous findings that suggested a link. The research suggests that CFS treatment using anti-retroviral drugs may not be effective.
Researchers found that expressing mutant DISC1 during prenatal periods, postnatal periods, or both led to distinct brain alterations and behaviors resembling schizophrenia or mood disorders. The study suggests that manipulating DISC1 expression timing may help develop new therapies for psychiatric disorders.
Radio astronomers discovered 17 millisecond pulsars using Fermi's high-energy sources, which could be used to detect gravitational waves. These pulsars are nature's most precise clocks, with long-term stability that rivals human-made atomic clocks.
A NASA scientist has added an experiment to the Sample Analysis at Mars (SAM) instrument, enhancing its ability to analyze large carbon molecules. The experiment aims to preserve information on how organic molecules formed, shedding light on the planet's carbon cycle.
The western corn rootworm beetle can survive on Miscanthus x giganteus, a potential biofuels crop grown alongside corn. This finding could impact corn production and lead to devastating consequences if the plant becomes a vast reservoir of rootworm beetles.
A three-year data analysis of 175 fields in Illinois, Wisconsin, and Minnesota revealed the most troublesome weeds and their relationships with sweet corn yield. The study identified factors such as interrow cultivation, planting dates, and water supply as key determinants of crop success.
Researchers at Purdue University have created a magnetic 'ferropaper' made from ordinary paper that can be used to make low-cost micromotors, tiny tweezers, and miniature speakers. The material is impregnated with iron oxide nanoparticles and can be controlled using a magnetic field.
Researchers discover unique structure in viral protein Rev, allowing it to penetrate nucleus and nucleoli. This finding opens new avenues for studying the relationship between protein localization and host cell impact.
A new investigational agent YC137 was found to restore sensitivity of breast cancer cells to treatment by fulvestrant, a commonly used drug for estrogen-receptor-positive metastatic breast cancer. The study suggests that using an agent that can hit multiple Bcl2 proteins will be more effective in overcoming tumor resistance.
Researchers have developed an early warning system to defend rare Jersey cows against the spread of bluetongue disease. By analyzing meteorological data and midge activity, the team can predict when the disease-carrying midges are likely to reach the UK and Channel Islands.
A study found that almost 1 in 5 pregnant women receive 4 or more ultrasounds, despite guidelines recommending only two. This increase is more pronounced in low-risk pregnancies, highlighting the need to review current practices.
Researchers have developed a new survival prediction equation for pulmonary arterial hypertension (PAH), improving upon an outdated NIH equation. The new formula shows vastly improved survival rates, highlighting the need for accurate hemodynamic assessment.
A recent scientific conference highlighted the effects of unseasonal summer storms on UK marine life, including a surge in deadly jellyfish and rare seabird sightings. The event brought together representatives from various sectors to discuss conservation measures and environmental change.
Researchers at McMaster University have developed a way to propel microscopic worms using an electric field, enabling high-throughput micro-screening devices for drug discovery. The technique demonstrates movement of worms forward and in reverse guided by the direction of the electric field, allowing for rapid screening of chemicals an...
Researchers found that pomegranate's ellagitannins can suppress estrogen production, inhibiting the growth of hormone-responsive breast cancers. The study suggests that consuming more pomegranates or exploring their juice as a potential preventive agent may have benefits.
A study published in Cancer Prevention Research suggests that topical application of celecoxib may prevent basal cell carcinoma. The research found that celecoxib reduced the growth of skin tumors by 50% and tumor burden in patients with a genetic predisposition to the disease.
Researchers found that MyoD activates CDC6 expression to promote rapid proliferation of muscle stem cells. The study suggests a new mechanism for muscle regeneration and highlights the importance of transcription factors in controlling cell cycle progression.
The PARASOL satellite has been maneuvered to leave its position within the A-Train constellation, a group of five NASA satellites orbiting the Earth in close proximity. The move will enable data sharing with other satellites while leaving a temporary data gap that will be filled by Glory's launch in 2010.
Researchers found that glycyrrhizin improves the ability of damaged skin to produce antimicrobial peptides, which help prevent bacterial growth and infections. The study suggests that this compound could lead to lower death rates associated with burn-related infections.
A recent study by researchers at Hospital for Special Surgery identifies four key areas of need for orthopedic training programs: addressing compromised learning experiences due to work-hour restrictions, developing core knowledge with specific goals, establishing common benchmarks for program effectiveness, and adapting to generationa...
Scientists have discovered that plant viruses can be harnessed to carry genetic information into plant cells, which could lead to the development of crops with desirable traits. By stabilizing viral vector genes, researchers hope to improve crop yields and resistance.
A team of researchers has successfully studied the elusive CstF-64 protein, a crucial component of gene expression. The breakthrough allows scientists to understand its interactions with other proteins and improve polyadenylation machinery in living cells.
Researchers at Binghamton University identified specific types of chronic wound bacteria producing cell-cell signaling molecules AI-2 and AHLs. The 'good' bacteria produce AI-2, while pathogenic species produce AHLs, which can be targeted to improve wound healing.
The androgen receptor, crucial for male hormones like testosterone, also plays a significant role in the body's ability to heal wounds. Blocking this receptor accelerates wound healing by reducing inflammation.
Researchers have identified two cellular proteins that are important factors in hepatitis C virus infection. The natural compound Quercetin inhibits the synthesis of these proteins, significantly inhibiting viral infection in tissue culture. A Phase I clinical trial will be launched to determine if the compound is safe and effective.
A study by C. Rhett Jackson and Catherine M. Pringle found that reducing water flow rates can create ecological benefits, such as protecting endangered species and mitigating pollution effects. However, restoring natural flows can also lead to detrimental changes in vegetation that harm animals.
A Stanford University study found that solar-powered drip irrigation systems significantly enhance household incomes and nutritional intake of villagers in arid sub-Saharan Africa. The system provided a reliable source of water, allowing farmers to produce more food and increase their income.
Scientists discovered that blocking delta-catenin expression disrupts inflammation-induced angiogenesis in tumors and wounds. The findings suggest that delta-catenin may be a key player in cancer progression.
The Institute of Medicine recommends stricter resident duty hour regulations to reduce fatigue-related errors and ensure patient safety. The new guidelines focus on regular sleep opportunities for residents, rather than reducing maximum weekly work hours.
A new protocol for fluorescence in situ hybridization allows phylogenetic identification of microorganisms in environmental samples. Meanwhile, a dual-color ELISPOT assay enables simultaneous detection of IL-2 and IFN-γ secreting T cells, promising to monitor immune responses to certain infectious agents.
Scientists have discovered a pivotal role for two key proteins in preventing the onset of age-related macular degeneration. The study found that one protein binds to another to reduce damage caused by inflammation, and that genetic variations can make people more vulnerable to eye damage.
A new study published in the Journal of Bone and Joint Surgery found that the risk of early postoperative mortality following knee and hip replacement surgeries is slightly increased for the first 26 days after surgery. However, the risk of mortality drops to negligible levels 26 days post-op. The study included data from over 188,000 ...
Researchers propose using buried volcanic rocks to store carbon dioxide emitted by power plants, with potential sites identified off northern New Jersey, Long Island and Massachusetts. The study suggests that deep burial in these basalt formations could help reduce risks of leaks.
Researchers at Ben-Gurion University have defined a uniform method to interpret Autism Spectrum Disorders (ASD), combining emotional-social behavior and four additional domains: memory, perception, and motor behavior. This approach links ASD with other conditions like ADHD.
A meta-analysis of 134 studies involving over 3,400 participants found that men's brain and body responses were more aligned during sexual arousal. In contrast, women's mind-body responses were less consistent. The study suggests significant gender differences in how people experience and respond to sexual stimuli.
Despite quality issues and social stigma, a majority of Pennsylvania's mobile home residents are satisfied with their homes. The primary benefit of living in a mobile home is affordability, according to Penn State researchers who found that 48% of respondents cited affordability as a major advantage.
Researchers identified a strategy to target human breast cancer stem cells by blocking the protein CXCR1. The approach selectively depleted cancer stem cells in mice xenotransplanted with human breast cancer cells, leading to reduced tumor growth and metastasis. This finding provides hope for women with breast cancer.
Astronomers discovered a distant star that exploded 7 billion years ago when its center became unstable and created matter and anti-matter particle pairs. The Y-155 supernova was 100 billion times brighter than the sun, releasing an enormous amount of energy.
The new SBI and ACR recommendations suggest that breast cancer screening should begin at age 40, with annual screening recommended for average-risk patients. High-risk patients may start screening as early as age 30. The guidelines aim to reduce mortality rates from breast cancer through earlier detection.
Researchers at UNC have discovered a single calcium atom controls bacterial motility required for infection. By blocking this site, the bacteria can't move, stopping its ability to establish infections like meningitis. The finding identifies a key step in bacterial infection and could lead to new drug targets.
A study found that many Americans with major depression do not receive adequate treatment, with racial and ethnic groups facing disparities. Psychotherapy is more commonly used than pharmacotherapy, but individuals with specific ethnic backgrounds have lower odds of receiving concordant care.
Researchers found that people who quit smoking have a 70% increased risk of developing type 2 diabetes in the first six years without cigarettes compared to non-smokers. Weight gain after quitting is suspected to be the cause of this increased risk, which returns to normal after 10 years.
Researchers will apply basic science discoveries from the LOX gene family to improve corn breeding for drought tolerance and aflatoxin resistance. The four-year project will help reduce losses caused by mycotoxins in Texas, estimated at $13 million in 2008.
A new study published in the FASEB Journal shows that choline plays a critical role in fetal brain development, particularly in regions associated with memory. Choline is found in meats like bacon and eggs.
The WUSTL-led MoonRise mission is one of three finalists for a $650 million NASA space science venture. The mission aims to retrieve two pounds of lunar rocks and return them to Earth, providing new insights into the early history of the Earth-Moon system.
The American Academy of Orthopaedic Surgeons emphasizes the need for better care for extremity war injuries, citing challenges in research, host nation care, and disaster preparedness. The symposium highlighted the importance of funding more research to improve treatment outcomes.
A new Cornell study reveals that using kitchen spoons to measure liquid medicine can lead to significant inaccuracies. Participants under-dosed by an average of 8%, while those using larger spoons over-dosed by 12%. Experts recommend using precise measuring devices instead.
A meta-analysis of 134 studies involving over 3,400 participants found that men's subjective and physiological measures of sexual arousal were more closely matched than women's. The researchers identified two methodological differences - the type of stimuli and timing of assessment - that may contribute to this gender difference.
A study published in the FASEB Journal shows that free radicals cause mitochondrial damage in muscle cells, resulting in accelerated age-related muscle loss. Researchers hope to develop new treatments to slow or limit this process.
A new ALS drug, talampanel, has shown some ability to slow the loss of major daily life activities such as speaking, walking and dressing. The study found that talampanel slowed progression of ALS by 30 percent, according to the ALS Functional Rating Scale.
A new study identifies βCTF, a small protein found in APP, as a novel factor contributing to Alzheimer's disease-related endosome abnormalities. Elevated levels of βCTF cause specific pattern of endosome defects similar to brain cells in Alzheimer's disease.
Researchers tested urban macaques for lead and toxic metal exposure, finding higher levels in younger animals. The study suggests that synanthropic macaques, which share the same ecological niche with humans, could serve as early indicators of human exposure to toxins.