Researchers at Michigan State University discover that glaciers sculpt and erode landscapes through a phenomenon called glaciohydraulic supercooling, which affects the rate of erosion. This new understanding allows for better comprehension of how glaciers subdue mountains.
A long-term follow-up study of childhood ALL survivors found that those who did not receive brain radiation had comparable survival rates, employment, and marital rates to the general population. However, those who received brain radiation had a slight increase in death rate due to second cancer and higher unemployment rates.
The American College of Preventive Medicine recommends prioritizing research on improving vaccine delivery and funding for immunization programs. All children and adolescents without contraindications should receive immunizations against 11 diseases, according to ACPM's recommendations.
Scientists have sequenced the genomes of four types of cyanobacteria, including Prochlorococcus and Synechococcus, which play a critical role in regulating atmospheric carbon dioxide. The completed genome sequences provide insights into how these single-celled organisms convert solar energy into living biomass.
Researchers found endostatin treatment reduced invasive head and neck cancer cells by half and their migratory capabilities by one-quarter. The study suggests an implanted drug delivery system could provide sustained therapeutic drug levels directly to tumors.
Researchers found that musicians played at a tempo closer to fast music when listened to before playing, while speakers read faster or slower after hearing a recording's speaking rate. Both groups unconsciously coordinate timing to find a mutually agreeable tempo.
NIST researchers are investigating detection devices to detect dirty bombs and radiation threats, ensuring accuracy in various conditions. The new standards will improve the calibration of detectors, reducing errors in measuring high, medium, or low energy radiation sources.
Researchers from Johns Hopkins Bloomberg School of Public Health developed the Diamond Graph method to correct long-standing errors of 3-D bar graphs. The new method represents all variables equally on a 2-D graph using expanding polygons within a diamond-shaped grid.
A recent study found that nearly 10% of female Army recruits tested positive for chlamydia, with rates increasing over time, highlighting the need for regular screenings and treatments to prevent long-term health consequences like pelvic inflammatory disease and infertility.
Researchers at Johns Hopkins Medicine discovered that altering leptin's signaling pathway can minimize or even reverse left ventricular hypertrophy, a condition causing the heart to expand and stiffen. Leptin infusions led to weight loss and improved heart function in mice with obesity, while caloric restriction had no effect.
Research suggests that schizophrenia impairs habitual prospective memory, leading to high rates of non-adherence to medication. The study found that people with schizophrenia are more likely to forget to turn over a counter during an obstacle course test.
A new study by the University of Pennsylvania School found that guggulipid, a traditional herbal remedy, has no impact on lowering cholesterol levels. The research suggests that dietary supplements need rigorous testing for safety and efficacy, with further studies planned to investigate its effects on triglycerides and inflammation.
Researchers found that administering hydroxyurea to patients with severe forms of beta-thalassemia boosted hemoglobin levels and enabled five patients to stop undergoing transfusions. The treatment also improved quality of life for the children, who reported feeling better and more active.
NIST has developed a way to accurately measure retroreflectivity, resolving measurement problems that hindered defining minimum standards. The new facility will provide calibration services early in 2004.
The NIST-developed device detects single photons with negligible dark counts using a tungsten film coupled to fiber optic communication line. It achieves a detection rate of 20,000 photons per second with an efficiency of 20%, aiming for over 80% improvement.
A study found that 41% of web sites selling ephedra products failed to disclose potential adverse effects or contraindications, while 53% did not reveal the dosage of ephedra alkaloids. The authors recommend that makers of dietary supplements containing ephedra should voluntarily disclose pertinent information about the supplements.
Researchers suggest celestial processes dominate climate change, with cosmic rays influencing low-level cloud formation and blocking sun warming. Human-caused greenhouse gas emissions are secondary to natural forces.
A recent study found that providing Medicare coverage to previously uninsured adults increases access to life-saving preventive tests like cancer and cholesterol screenings. The gap in testing rates narrows significantly after eligibility.
A team led by UC Riverside geneticist Dr. Close will deliver advanced information and material resources for barley genomics, aiming to make the barley genome accessible to everyone. The four-year project focuses on accessing expressed genes in Triticeae genomes using reliable methods.
Researchers found that hypnosis did not provide better pain relief compared to non-hypnotic treatments. The amount of pain relief experienced was largely due to participants' expectations from the therapy, according to the study's lead author.
Researchers tracked Miss Pearl's epic journey and welcomed her back to her nesting beach in Nicaragua after three years, gaining crucial insights into hawksbill sea turtle behavior and habitat protection. The satellite transmitter on Miss Pearl's back provided vital information on her location and diving patterns.
Researchers found that infant falls can produce significant rotational forces that cause widespread and serious brain injury, including internal bleeding and nerve cell damage. This challenges the assumption that children respond similarly to head trauma as adults.
Researchers at Ohio State University found that endostatin can stop Kaposi's sarcoma cells from growing new blood vessels and migrating through the body. The study suggests a controlled release of endostatin could be an effective treatment option for patients with KS.
A study revealed 253 Caribbean marine species are endemic, with many having tiny ranges making them susceptible to extinction. Destructive fishing practices and development threaten these micro-endemic species.
Researchers debated changes to cervical cancer screening guidelines as a vaccine for human papillomavirus (HPV) showed promising results. The study found that vaccination combined with biennial screening was cost-effective and reduced cancer incidence and mortality.
A new study by Northwestern University researchers reveals that nearly 80% of patients have a moderate or high genetic risk for adult-onset conditions. Using family history questionnaires and three-generation pedigrees, the team identified twice as many individuals at increased risk than documented in patient charts.
A new study finds that istradefylline, an adenosine A2A receptor antagonist, improves motor function in Parkinson's disease patients with reduced dyskinesias. The medication reduces the time patients experience tremors, slowness, and stiffness by up to 1.7 hours per day
A recent study reveals that an unusually high percentage of genes are expressed during the critical stage of the malaria parasite's life cycle, when it invades red blood cells. The analysis shows a unique pattern of gene expression, with most genes expressed only once in a specific order, suggesting a molecular 'just in time' factory.
The consortium aims to identify and measure all lipid types within a cell, improving understanding of their role in diseases. This knowledge will help develop more effective diagnostic devices and treatments for conditions like cardiovascular disease and inflammatory disorders.
Researchers have developed a new test that can accurately record baby's heart rates in the womb in just 20 minutes, allowing doctors to monitor health and detect potential arrhythmias. The technique uses sophisticated filtering and signal processing technologies to pick out the baby's heart signal from background interference.
The Virtual Lab is a networked laboratory simulation allowing students to combine chemical reagents and solve problems using course concepts. Developed by David Yaron, it has been adopted by over 7,000 students nationwide, providing interactive learning environments for chemistry education.
A University of Iowa Health Care study found that public elementary school teachers often restrict young students' access to the bathroom, despite it being a common issue. Teachers with more experience were better equipped to recognize bladder problems and involved school nurses in addressing them.
Researchers are working on developing engineering tools to monitor breakups in tissues and organs, with the goal of improving storage methods for transplant tissues. The team aims to create systems that can safely store complex tissues and organs, which could lead to breakthroughs in disease treatment and expand organ availability.
Weizmann Institute scientists found that around 50 genes are optional, affecting a person's unique pattern of active olfactory receptors. This high level of genetic variation impacts how thousands of aromas and flavors are perceived. The study also shows varying levels of obliteration among different ethnic groups.
The Vanderbilt-Ingram Cancer Center has been awarded a $13 million SPORE grant to support innovative research in breast cancer. The grant will fund four scientific projects and six core facilities, focusing on identifying molecular targets for lung, breast, and colorectal cancer.
The new method uses streptavidin-biotin protein complex to coat red blood cells with tPA, spares existing blood clots and reduces the risk of bleeding. This technique could provide a safe way of delivering clot-busting drugs with fewer side effects.
A study by University of Minnesota and Fairview Health Services validates collaborative care approach between pharmacists and physicians to reduce healthcare costs and improve patient outcomes. Pharmacists resolve an average of 2.3 drug therapy problems per patient, increasing desired effects from 74% to 89%.
Studies found that patients with vascular dementia had less NAA in regions involved in short-term memory and language, while those with Alzheimer's had substantial NAA deficits. Accuracy improved when combining MRI and MR spectroscopy measures, suggesting potential for recovery through drug treatment.
A study found that patients with unexplained chronic fatigue had nine times more prevalent sinus symptoms than the control group, and six times more common in those with unexplained chronic pain. Sinusitis may be a contributing factor to chronic fatigue syndrome in some cases.
The Change Detection System (CDS) technology developed by INEEL researchers uses computer analysis and human reflex to highlight subtle differences between digital images. This breakthrough technology has potential applications in various fields, including medicine, security, forensics, and field research.
The study reveals that out-of-pocket spending for Medicare PPO enrollees is nearly 50% higher than costs for Medicare+Choice enrollees, raising questions about the value of these plans. Costs have doubled since 1999, with sicker beneficiaries facing even higher cost burdens.
Researchers found high concentrations of BMAA in bat skins, which may have contributed to the Chamorro people's increased risk of ALS/PDC. The findings support a hypothesis linking flying foxes to the disease.
A breast cancer program for low-income women found a significant rate of 12.3 cancers per 1,000 women, exceeding results from other screening programs. Excellent compliance with surgical recommendations was also observed, attributed to the program's translation and transportation services.
A study of 1,884 Parkinson's patients found that nine developed pathological gambling, with most taking high doses of dopamine agonists. The condition was often linked to financial problems and could be controlled with treatment changes.
The study aims to analyze satellite imagery to create a new baseline of current glacier conditions for comparison with historical measurements. Researchers will focus on two regions: central Asia and southern Alaska, where glaciers have experienced unprecedented ice loss, affecting freshwater sources and regional ecosystems.
Researchers have identified a new compound, AM1241, that acts on CB2 cannabinoid receptors and shows promise in alleviating neuropathic pain. The study suggests that this compound may provide pain relief without the debilitating side effects of existing pharmaceuticals.
Researchers at Stanford Medicine developed a targeted DNA vaccine that can predict and treat autoimmune diseases like M.S. by analyzing antibody profiles. The vaccine uses tolerization to knock out harmful immune responses while leaving the rest of the system functional, offering new hope for personalized therapies.
The study reveals that boys offend more seriously than girls, but are also more likely to be victims of crime at a younger age. Young people who engage in risky behaviors together are more likely to both commit offenses and become victims.
A study by Ohio State University found that students taking a psychology-based study skills program had higher grade point averages and were more likely to return for their next year of college. The course used well-founded psychological principles to teach students how to put motivation and learning techniques into practice.
V. Zakharov received the 2003 Dirac Medal of the ICTP for his groundbreaking work on mathematical physics of nonlinear phenomena, particularly in the field of weak wave turbulence. His research has significantly contributed to our understanding of plasma physics, hydrodynamics, magnetism, and optics.
Research from Washington University in St. Louis found that frontal lobe function can impact false memories in older adults. Contrary to common assumption, age-related cognitive decline may be linked to declines in executive control functions rather than memory skills themselves.
A study of elite male athletes found that about one in five believed they weren't sufficiently muscular and wanted to gain weight. The findings showed that 17.5% of athletes in lean sports exhibited symptoms of eating disorders compared to 9.2% in non-lean sports.
First-year, full-time female college students experience emotional distress due to the loss of pre-college friendships. To overcome this challenge, colleges must create opportunities for students to meet new people and form connections on campus.
A new study suggests that atropine may be a viable treatment option for children with lazy eye, offering an alternative to traditional patching methods. The research found that atropine was just as effective in improving visual acuity as patching, even in children with poorer eyesight.
Scientists mapped locked zones on the Cascadia megathrust, revealing a 56-mile swath of land faces a greater threat from earthquakes than previously thought. Another major earthquake is expected within the next 200 to 800 years, putting rapidly growing inland cities at risk.
A case report suggests Munchausen syndrome by proxy may be responsible for unexplained medical conditions in infants, with symptoms including bleeding, seizures, and rash. The condition can be difficult to diagnose due to the perpetrator's cooperative nature, but experts emphasize its potential lethality.
Researchers at UCSD have discovered a chemical that allows plants to transport phytochelatins from roots to stems and leaves, enabling them to detoxify heavy metals like lead, arsenic, and cadmium. This finding brings bioremediation, using plants to clean up contaminated soil, closer to reality.
Researchers found a way to manipulate electron spin to transport it without energy loss. This effect occurs in materials already used in the semiconductor industry and could lead to a new generation of computing devices. The discovery has significant implications for creating smaller, more efficient electronic devices.
Deer facilitate seed dispersal to native plants in recovering habitats, but also spread invasive species like multiflora rose. White-tailed deer transport seeds up to two miles through their pellets, contributing to plant migration.
A study by Ohio State University researchers found that children with mild inflammatory bowel disease (IBD) are more likely to experience behavioral and emotional problems, including being withdrawn or anxious. The study also showed a link between the severity of IBD and social functioning.