A study by the University of Alberta found that mule deer mothers respond to distress calls from both their own and other species' fawns, often putting themselves at risk. This behavior defies traditional explanations for parental care and suggests a more primal instinct for survival.
High-dose sodium phenylacetate and sodium benzoate treatment has saved an estimated 80 percent of patients with urea cycle disorders, mostly children. The treatment uses the body's natural chemicals to eliminate nitrogen, reducing toxic effects.
Scientists have discovered tiny patches of superconductivity in ceramic materials at higher temperatures than previously known, defying widely accepted explanations for high-temperature superconductivity. The research uses nanoscale imaging techniques to map superconducting properties on the scale of single atoms.
Researchers discovered that molecular motors play a crucial role in shedding membrane from the tips of microvilli, speeding up nutrient processing. This finding has implications for understanding gastrointestinal physiology and potential new treatments for diseases.
Researchers discovered nearly a dozen additional heat-shock proteins that help insects survive cold temperatures. These proteins are essential for insect survival during diapause, a hibernation-like state that allows them to withstand low temperatures.
The study suggests that structural modules in yeast protein-protein interaction networks originated as evolutionary byproducts without functional units. Computer simulations show that modular structures can arise during network growth through simple models of gene duplication.
Researchers have found a massive exoplanet, XO-3b, which orbits its star in less than four days and is 13 times the mass of Jupiter. The planet's unusual characteristics, including its elliptical orbit and size, raise questions about its classification as a brown dwarf.
Stevens Institute of Technology students Samuel R. Barrett and Matthew V. Paragano received awards from the Barry M. Goldwater Scholarship Foundation, recognizing their exceptional achievements in science and mathematics. The foundation's top prize was awarded to Barrett for his research in artificial intelligence and machine learning.
Researchers propose that animal personalities evolve due to trade-offs between current and future reproduction, with cautious individuals investing more in future opportunities. This leads to populations with consistently risk-averse or risk-prone personality traits.
Researchers are focusing on preventing further brain damage after a stroke, targeting the penumbra region where blood flow is reduced by 60%. They hope to restore normal electrical activity in neurons and promote recovery. Dr. Sergei Kirov's study uses real-time microscopical imaging and pharmaceuticals to stop anoxic depolarization.
Researchers at UC San Diego report that grafting human spinal stem cells into paralyzed rats restored ambulatory function within six weeks. The study demonstrates the potential of stem cell therapy to reconstruct neural circuitry and treat debilitating muscle spasticity.
Researchers have developed a new, biocompatible MRI contrast agent using manganese oxide nanoparticles that produces clear images of mouse brains. The agent allows for high-contrast views of brain anatomy and has potential applications in diagnosing brain diseases such as Alzheimer's and Parkinson's.
A study by the University of Rochester Medical Center found that LeadCheck Swabs are prone to high error rates, detecting 64% of hazardous concentrations of lead in dust as safe. The swab test is not reliable for determining if house dust contains lead above EPA standards.
A new test measures subjects' accuracy and reaction times under distractions, filtering out easily distracted candidates. The test correlates with the 'Cognitive Failures Questionnaire', providing an objective assessment of distractibility.
Scientists have identified the TRPM8 receptor as responsible for sensing cold, which also mediates pain perception. The study provides a target for treating acute and chronic pain.
This article discusses various aspects of pain management, including the impact of depression and posttraumatic stress disorder (PTSD) on patient satisfaction. The study found that patients with both conditions were more likely to have a chronic medical condition and greater physical and psychosocial stressors.
A survey of 1,812 patients with moderate-to-severe asthma found that the disease was not controlled in 55 percent, despite regular health care visits. Uncontrolled asthmatics were more likely to experience severe symptoms and hospitalizations.
Researchers discovered that tiger moths use ultrasonic clicks to warn bats of their bad taste, allowing them to survive in a predator-rich environment. The study provides the first definitive evidence of acoustic mimicry as a defensive strategy.
A study found that only 32% of adults possess minimal medical knowledge of serious health conditions, despite higher education or personal experience not providing significant improvement. This lack of awareness poses a risk to early detection and treatment outcomes, as well as public health costs and behavior.
Researchers employed a new technique to estimate dark matter location and calculate its mass, shedding light on the galactic halo's composition. The method revealed two massive dark objects, one with 7 times the sun's mass, in the Milky Way's outer reaches.
Scientists at RIT have discovered that supermassive black holes can be thrown from galaxies at speeds of up to 4,000 km/s, significantly exceeding the escape velocity. The spin velocity determines the size and direction of the 'kick' or radiation recoil.
The Friedlander lab will work with six other laboratory groups to conduct pre-clinical work on adult stem cells, aiming to develop a new approach to treating retinal diseases. The therapy targets abnormal blood vessel formation, which is a leading cause of vision loss in Americans.
The June 2007 issue of the Journal of Ultrasound in Medicine (JUM) highlights the growing significance of contrast-enhanced ultrasound (CEUS) in the US. CEUS is used effectively globally but has limited approval for clinical use, hindering optimal imaging and patient care.
Astronomers discover a bright arc of extremely hot gas in a massive galaxy cluster, suggesting an exceptionally dramatic event, such as a collision between two clusters. The temperature and mass of the cluster make it a giant among giants, with a quadrillion suns' worth of mass bound by its hot gas.
Young women in urban China want more information on contraception but need private and anonymous access due to judgmental attitudes. A pilot workplace intervention showed promising results with popular information leaflets, but low uptake of free family planning services.
NASA is supporting cutting-edge research at the Earth's polar regions with $18 million in funding for 33 scientific investigations. These studies focus on ice flow, air pollution, sea ice impact on ocean ecosystems, and glacier thickness measurement.
Researchers found that a 45-minute walk restores the muscle-growth-stimulating effects of insulin to levels comparable to those seen in normal young adults. This breakthrough suggests that moderate aerobic exercise may slow the rate of muscle loss in aging.
Researchers found that children can solve large number problems without mastering place value or addition facts, using their natural sense of number to perform approximations. This talent can be built upon in the classroom to enhance interest and understanding in elementary mathematics.
A study finds that cytomegalovirus infection triggers an autoimmune response, causing endothelial cell damage and exacerbating atherosclerosis. The immune system mistakenly attacks healthy cells, leading to inflammation and further disease progression.
Researchers found that E. coli groups exposed to fluctuating pH levels exhibited generalist fitness patterns, with no significant cost in any environment. The bacteria adapted to specific environments, but the varied pH conditions didn't hinder adaptation.
A subset of patients with idiopathic pulmonary fibrosis (IPF) has been found to have a short duration of symptoms before diagnosis and an accelerated clinical course to end-stage disease. This 'rapid progressor' group is characterized by distinct gene expression patterns, which may lead to the development of new therapeutic interventions.
A NASA-funded project using satellite observations has shown an increase in days of snow melting on Greenland's ice sheet over the past 18 years. The resulting data helps scientists understand the speed of glacier flow and how much water will pour into the surrounding ocean.
Scientists have identified a climate change signal in the Indian Ocean near Australia, with ocean temperatures rising by two degrees Celsius. The research linked this warming to changes in atmospheric conditions and human activity, including aerosol production and greenhouse gases.
A study published in Radiology found that MDCT can aid forensics teams in determining if a person has drowned by demonstrating airway froth and sediment. The procedure may provide support for the diagnosis of drowning when other causes have been excluded.
A follow-up study found that pediatricians' behavioral health treatment methods showed only partial success, despite receiving structured interventions, FDA warnings, and mental health reforms. The interventions, including newsletters and resource guides, aimed to increase education on anxiety and depression recognition, collaboration ...
Researchers found that young birds learned more than half of their songs by eavesdropping on adult tutors interacting with another bird. Direct interaction with a tutor accounted for only 19% of the songs, highlighting the role of eavesdropping in song learning.
A study published in Radiology found that MRI can predict full or partial recovery of patients with acute spinal cord injuries by assessing MR images within 48 hours. The severity of MSCC, bleeding, and cord swelling are key indicators of a poor prognosis, while their absence indicates a good chance for neurological recovery.
A multicenter clinical trial found that magnetic resonance-guided focused ultrasound surgery (MRgFUS) effectively shrinks uterine fibroids and significantly relieves symptoms in women. The optimized protocol allowed treatment of a greater fibroid volume, resulting in even greater symptomatic relief.
New research reveals that nanoscale magnets with chirality may play a crucial role in data transmission and manipulation in spintronic devices. The unique symmetry of these materials allows for the mixing of electronic, optic, magnetic and structural properties.
New research reveals that sharks rely on both olfactory systems and lateral lines to track odor sources, particularly in dark waters. This discovery sheds light on animal navigation underwater and has implications for the development of autonomous underwater vehicles (AUVs).
A University of Alberta research team has created a novel way to control the quantum state of an electron's spin using plasmonics principles in spintronics technology. This new technology, called spinplasmonics, may lead to revolutionary advances in computer electronics and other areas.
A study of over 3,700 middle school students found that most obtain alcohol from their parents' homes, with one-third of users getting it from family members. The research highlights the importance of parental involvement in preventing underage drinking.
Researchers analyze ancient multiple graves, suggesting that Upper Paleolithic groups in Europe may have practiced ritual human sacrifice. The findings provide insight into the complexity and symbolism of these societies.
Researchers found that an imbalance between two peptides, AB40 and AB42, can lead to the formation of senile plaques and dementia. Introducing more AB40 may stop or slow down Alzheimer's development by balancing with AB42.
Canada's new government has invested $583 million in research grants to support professors and students across the country. The funding will focus on natural sciences and engineering research, with a total of $458.8 million going towards Discovery Grants for 3,300 professors.
A University of Illinois Chicago study found that over 92% of Illinois dentists perform oral cancer examinations, but many lack proper training and techniques, leading to incomplete screenings. The study emphasizes the need for additional training and increased vigilance in detecting oral cancers.
New research reveals US employees experience up to 50% more bullying than Scandinavian workers, with negative effects on non-bullied employees also widespread. The study highlights organizational and cultural structures that enable and reward bullying, stressing individualism over collaboration.
Research shows that treating subclinical hypothyroidism with thyroid hormone improves symptoms, cholesterol levels, and reduces heart disease risk. Patients experience increased energy, weight loss, and improved quality of life.
The 2007 W.T. and Idalia Reid Prize will be awarded to Dr. Héctor J. Sussmann for his fundamental contributions to nonlinear control theory. He will receive an engraved medal, a $10,000 cash prize, and deliver the Reid Prize Lecture at the SIAM Conference on Control and Its Applications.
A recent study suggests that aprotinin can reduce bleeding during heart surgery without increasing the risk of complications. The study found no increase in heart attack risk among patients receiving aprotinin, while the risk of stroke was 35% lower.
The new value-based payment scheme for NHS drugs aims to balance health benefits with industry profits. While it may increase overall spending, the system could incentivize companies to focus on cost-effective therapies.
A team of Stevens researchers won the Herbert A. Simon Best Research Paper Award for their paper on designing and implementing a business process rules engine. The award recognizes innovative research in the field of information systems.
A new study reveals that growth factors and the environment work together to accelerate brain maturation, particularly in visual system development. Insulin-like growth factor I (IGF-I) is identified as a key mediator of this process.
Researchers at USU have developed a new HIV vaccine that induces broad-spectrum neutralizing antibodies, capable of neutralizing all 48 tested strains. The study provides encouraging results for vaccine development, showing the feasibility of eliciting cross-reactive antibodies against multiple viral strains.
The Hubble Space Telescope provides a detailed view of Messier 81, revealing young blue stars and glowing regions of fluorescent gas. The galaxy's central black hole is 15 times the mass of the Milky Way's black hole.
A newly excavated headless skeleton from Nasca, Peru provides important new data on ancient decapitation practices. The analysis suggests that decapitation was part of powerful rituals aimed at ensuring fertility and the continuation of life and rebirth of the community.
Researchers found that courts currently provide inadequate financial compensation for grieving families, with average annual damages ranging from £21,000 to £312,000. The study used statistical tools in happiness research to estimate the real loss felt by individuals, revealing significant gender differences in grief.
The Novo-TTF device has been shown to disrupt tumor growth by interfering with cell division of cancerous cells, causing them to stop proliferating and die off. In a pilot trial, 10 patients with recurring GBM experienced improved survival rates, with median overall survival doubling compared to historical data.
A study found that exposure to pesticides increases the risk of Parkinson's disease, as does traumatic head injury, with higher levels of exposure associated with greater risk. The two factors are potentially modifiable, suggesting opportunities for prevention and reduction.
Lonnie Thompson, a renowned glaciologist, will receive the National Medal of Science for his groundbreaking research on global climate change. His team has provided irrefutable evidence that the last half-century was the warmest period in recorded history.