A new study by Oregon State University reveals that rearing steelhead trout in hatcheries causes a dramatic drop in their ability to reproduce in the wild, with reproductive success dropping by up to 40% per generation.
A study published in The Lancet found that daytime and nighttime blood pressure are both predictive of cardiovascular events, with nighttime blood pressure predicting mortality. The study suggests recording ambulatory blood pressure during the whole day for accurate prognosis.
A new study at the University of Alberta has linked transitioning to university with increased symptoms of binge eating in female students. Students who felt dissatisfied with their bodies or lived away from home were three times more likely to experience these symptoms.
Penn State has launched a major research alliance with Chevron to develop advanced coal conversion and carbon dioxide management technologies. The partnership aims to promote energy innovation, train new generations of experts in energy, and educate the public about energy issues.
A new study found that when one spouse improves their health behavior, the other is also more likely to do so, particularly in behaviors like smoking and drinking. This phenomenon suggests that interventions targeting spouses can be an effective way to promote healthy habits.
Larry Hornbeck invented Digital Micromirror Devices (DMDs), chip technology behind HDTV, for manipulating light digitally. He received the 2007-2008 Prize for Industrial Applications of Physics from the American Institute of Physics for his pioneering work.
Scientists have successfully selectively blocked pain-sensing neurons in rats without interfering with other types of neurons, offering a new targeted approach to pain management. The method uses QX-314 and capsaicin to target only pain-sensing neurons, preventing them from sending signals to the brain.
Satellite technology has enabled us to monitor the effects of deforestation and climate change. However, there are concerns about the weaponization of space and the creation of space junk.
Researchers have discovered gastric progenitor cells in mouse stomachs, which can give rise to all functional stomach glands. This discovery may aid understanding of normal cell turnover and potentially open doors for investigating gastric cancer origins.
Scientists have found distinct gene expression signatures in the umbilical cords of premature infants who developed bronchopulmonary dysplasia, a fatal lung disorder. These signatures were associated with chromatin remodelling and histone acetylation pathways, providing a potential proxy for predicting disease risk.
A Norwegian study found that teenagers in Norway increased in height and weight between 1966-69 and 1995-97. The study also revealed a shift in the distribution of body mass index (BMI), with more underweight adolescents than previously thought.
Researchers found a common biochemical pathway disrupted in both premature lung disease and adult COPD, suggesting potential new treatments for BPD. The study's findings also validate the use of umbilical cord tissue as a proxy for studying fetal lung physiology.
A recent study published in The Journal of Pediatrics has found that administering a combination vaccine to infants does not compromise their immune response or safety. In fact, the study shows that combining three vaccines into one reduces the number of required vaccinations from five to three over six months.
Researchers have discovered that cilia, tiny organelles on cell surfaces, transmit instructions that shape body tissues. Defective ciliary function disrupts the balance of Wnt signaling, leading to developmental errors and childhood diseases.
The study found that too little MeCP2 leads to fewer synapses, while too much causes an overabundance, resulting in mental retardation and autism-like symptoms. Understanding the regulation of MeCP2 is crucial for determining optimal synapse number.
Researchers at University of Bristol show that small drops can climb an incline of 85 degrees by overcoming surface tension through vigorous shaking. The method may aid in understanding fluid manipulation and DNA microarray analysis.
Researchers observed and videotaped four captive caimans and three alligators at the St. Augustine Alligator Farm Zoological Park, finding that five of the seven animals teared up as they ate. The cause of the tears is still unknown, but it may be related to air forced through the sinuses during feeding.
A combination of capsaicin and QX-314 selectively block pain-sensing neurons in rats, blocking pain without impairing movement or other sensations. The treatment has great potential to improve pain treatment during childbirth, dental procedures, and surgery, offering a promising alternative to current nerve blocks.
The University of Southern California has received a five-year, $8.4 million grant from the National Institutes of Health to survey the genetic, physical and behavioral profiles of children with autism. The grant will increase the reach and ethnic diversity of the Autism Genetic Resource Exchange (AGRE) database.
Researchers from the University of Utah and California's Raymond M. Alf Museum have unearthed a new duck-billed dinosaur species, Gryposaurus monumentensis, in Grand Staircase-Escalante National Monument. The creature is estimated to have grown up to 30 feet long as an adult and had over 300 teeth embedded in its thick skull.
A virtual bazaar called PAZAR has been established to share gene regulation data, allowing researchers to access information without charge. This open-access database aggregates data on transcription factor and regulatory sequences, enabling the development of novel cancer therapies and stem cell treatments.
Researchers from The University of Texas at Austin create an 'atomic coilgun' that slows and stops a wide range of atoms using pulsed magnetic fields. This breakthrough enables the study of previously inaccessible elements like hydrogen, with implications for atomic and nuclear physics.
A majority of voters (75%) support a nationwide trauma system, with strong majorities across all political parties. A well-coordinated trauma system can improve survival rates by 25%, making it a critical issue for the nation's healthcare infrastructure.
The John A. Hartford Foundation has awarded a five-year, $5 million grant to the Gerontological Society of America to support 39 doctoral fellows in geriatric social work. The grant aims to address the projected shortage of over 46,000 geriatric social workers and provide training for future aging-focused faculty.
The 2008 IOP Awards have recognized significant contributions to physics across various fields. Notably, Professor Rowan-Robinson's research on galactic dust has shed light on the main populations of galaxies in our universe.
Thermoelectric devices could capture wasted heat from hot engines, generating electricity and saving billions of dollars in the US. Clemson University physicist Terry Tritt discusses promising applications, including waste-heat recovery in cars.
A team of scientists discovered that a cell protein plays a crucial role in protecting cancer cells from chemotherapy drugs. Blocking this protein's expression increased sensitivity to chemotherapeutic drugs in lung cancer cells, offering a potential target for improving treatment outcomes.
Florida State University researcher Amy Wetherby has received a four-year, $1.4M CDC grant to screen 16,000 North Florida children for early signs of autism spectrum disorder (ASD). The study aims to identify prevalence at two ages in early childhood and inform early intervention efforts.
Scientists will create biomarkers for environmental risk factors in human disease, including cigarette smoke and obesity. The research aims to understand the interaction between genes and environment, using wearable sensors and advanced technologies.
Researchers have discovered 36 bottlegourd accessions with complete resistance to ZYMV, a major scourge of commercial cucurbits. Grafting popular watermelon cultivars onto resistant bottlegourd rootstocks may provide a sustainable solution to control the virus.
Researchers found that initially healthy siblings of a person with left main coronary artery disease are 2.5 times more likely to develop some form of heart disease than those without the condition. This highlights the importance of family screening and prevention strategies for individuals with a history of LMD.
Researchers developed a model to explain how knots form in tumbled strings, revealing a connection to DNA unwinding and tumor cell behavior. The study used computer simulations and experimentation to classify thousands of knots, shedding light on the probability of knot formation.
A study published in International Journal of Mental Health Systems highlights the long-term effects of war on mental health. The research suggests that grassroots community approaches are effective in coping with disasters and promoting collective well-being.
A new study found that HPV DNA testing can detect clinically relevant cervical lesions earlier than conventional cytological techniques. This allows for the potential extension of the screening interval by at least one year. Earlier detection reduces the lifetime number of screening tests and referrals, benefiting women.
Scientists have discovered a huge belt of warm dust swirling around the distant star, which is just slightly more massive than our sun. The conditions are suitable for forming rocky planets, and the material mix is reminiscent of lava flows on Earth.
Researchers at MIT have created an algorithm to convert brain signals into action in patients with paralysis or amputations, unifying disparate approaches to neural prosthetic devices. The technique provides a common framework for various measurement techniques and brain regions.
Eating flavonol-rich foods like apples may help reduce pancreatic cancer risk, with quercetin identified as a key compound. Smokers who consumed more flavonols had a significantly greater risk reduction.
Research in Medical Decision Making explores how patients select optimal treatments by weighing factors such as health outcomes, side effects, and cost. New approaches and best practices for assessing and conveying risk information are also discussed to improve decision-making processes.
A study found that two-thirds of women are interested in stopping their periods but lack understanding of the medical implications. Physicians, however, believe continuous oral contraceptive therapy is medically safe and acceptable, sparking a need for better patient-physician dialogue.
A $11.5 million clinical trial is examining the effectiveness of induced hypothermia in treating brain swelling in children with severe traumatic brain injuries. The study aims to improve survival rates and outcomes for these patients.
Researchers discovered critical telomere length and chromosomal fusion, offering hope for an early warning test. Telomeres play a crucial role in cell division, and their dysfunction can lead to cancer formation.
Computer science researchers at Virginia Tech have received a $300,000 NSF grant to develop virtualization technologies for application-specific operating systems. The project aims to improve performance and utilization on emerging supercomputers built from multi-core processors.
The study found activation of specific areas in the prefrontal cortex when subjects knew they could face punishment for non-compliance. People with Machiavellian traits showed higher brain activity in these areas, suggesting a link to their selfish behavior.
The study found that the lymphatic vasculature arises directly and solely from the embryonic veins in mammals, contradicting a competing theory. This discovery holds promise for developing new therapies for lymphatic system disorders and promoting the growth of new lymphatic vessels.
A Phase 3 trial found that ustekinumab achieved significant improvements in psoriasis symptoms and quality of life measures, with over two-thirds of patients experiencing at least a 75% reduction in psoriasis symptoms. The treatment resulted in substantial proportions of patients maintaining responses through week 28.
Researchers have discovered a biological link between amyloid precursor protein and a gene variant linked to late-onset Alzheimer’s disease. This finding may lead to new therapeutic strategies for treating the devastating disease.
A new flu vaccine delivered through painless microneedles in patches applied to the skin could soon be an alternative to hypodermic needles, offering less discomfort and lower costs. The Emory University and Georgia Institute of Technology team aims to design patches that can increase immunity to influenza with smaller amounts of vaccine.
The Polaris Project aims to train future leaders in arctic research and education, addressing the urgent need for scientific knowledge on global warming in the Arctic. The initiative includes field courses, research experiences, and outreach activities, supported by a $1.6 million grant from the National Science Foundation.
A study by ANZAC Research Institute suggests that a calcium deficiency can increase the likelihood of advanced breast cancer targeting bones. Dietary calcium intake could help prevent this spread and serve as an adjuvant treatment during therapy.
Phylonix Pharmaceuticals has been awarded a Phase II SBIR grant from the National Eye Institute to develop zebrafish models for eye diseases. The company aims to model various eye diseases, including diabetic retinopathy and age-related macular degeneration, using zebrafish models with high accuracy and speed.
A study of over 400 patients found that those over 60 years old had similar 1-year and 5-year survival rates as younger patients, with fewer rejection episodes. The researchers attribute this to the older patients' softer immune systems, which may also increase their risk of infection and cancer.
A team of Iowa State engineers has developed a sensor that can detect small vibrations caused by escaping air in spacecraft, allowing for faster leak detection. This technology, in partnership with Invocon Inc., aims to improve the safety and efficiency of NASA's space missions.
The US Department of Homeland Security has developed a new screening prototype that uses ultra-low field magnetic resonance imaging to detect liquids in baggage and on airline passengers. The SENSIT technology can differentiate between harmful items and common carry-on liquid consumables with high accuracy.
A UAB research team will lead the NF Consortium, a nine-institution group studying neurofibromatosis type 1. The $5.7M grant will focus on clinical trials testing new treatments for adults and children with NF.
Scientists identify key enzymes responsible for modifying anthocyanins, which produce plant colors and offer antioxidant properties. The discovery could lead to the development of natural food colorings and improved understanding of plant-based cancer treatments.
Researchers found that when users were tricked into visiting an educational website after receiving a spoof email, they were more likely to learn and retain information about phishing sites. This approach may be effective in educating users to protect themselves against phishing attacks.
A study by Columbia University's Mailman School of Public Health found that black lesbians, gay men, and bisexuals have significantly fewer mental disorders than their white counterparts. The research suggests effective coping mechanisms for prejudice-related stress.
A study found that Tamiflu is not removed or degraded during normal sewage treatment, leading to high levels of the drug in surrounding waters. This increases the risk of influenza viruses developing resistance to the medication, posing a threat to public health.
Researchers found that Mycobacterium indicus pranii (MIP) is the earliest ancestor of generalist mycobacterial pathogens, including Crohn's disease pathogen M. avium paratuberculosis (MAP). The study suggests that MIP and MAP descended from a common ancestor and infected marine organisms before arriving on soil through bird-droppings.
Researchers at the University of Missouri-Columbia have identified 400 genes that can be manipulated to make chemotherapy drug cisplatin more effective. These genes, involved in sphingolipid metabolism, are linked to whether a tumor cell survives or dies after treatment.