Researchers at the University of Michigan have invented a new type of magnetron that holds potential for more compact microwave sources with faster start-up times. The invention could lead to improved radar resolution and airborne applications, benefiting the Air Force's radar capabilities.
Johns Hopkins researchers identified a strong genetic alteration associated with the ability to clear hepatitis C without treatment. The study found that people carrying a specific variation of the IL28B gene were more likely to successfully eliminate the virus from their bodies.
Kansas State University has been awarded a five-year, $1.1 million grant to renew its successful Bridges to the Bachelor's program, which has helped almost 50 students transfer to K-State since its inception. The program aims to increase diversity in the bio-behavioral and biomedical sciences at K-State by providing cooperative learnin...
A study published in the World Journal of Gastroenterology found that underlying malignancy, liver cirrhosis, and hematemesis are key predictors of rebleeding after negative angiographic findings. The research team analyzed 128 patients with acute non-variceal gastrointestinal bleeding who had negative initial angiography results.
Researchers used MDCT to assess IPMN image characteristics, identifying larger cystic lesions and ducts in malignant cases. The combined-type IPMNs had a higher rate of malignancy than other types, while tumors with mural nodules showed a significantly higher incidence of malignancy.
Research on endothelin-1 (ET-1) reveals its role in promoting fibrosis in pancreatic stellate cells. ET-1 stimulates cell activation, leading to inflammation and fibrosis. Inhibition of ET-1 may offer a novel approach to treating chronic pancreatitis and pancreatic cancer.
Genetic sex determination allowed ancient marine reptiles to thrive in open oceans with live birth, freeing them from land-based nesting. This adaptation led to extreme physical changes and diversification of species.
Researchers at Weill Cornell Medical College have identified new anti-tuberculosis compounds that inhibit the disease-causing bacteria's mechanism for surviving dormant in infected cells. The findings could lead to drugs that destroy TB in its dormant stage, potentially revolutionizing treatment.
Researchers found a simple intervention involving monthly follow-up phone calls improved depression care in primary practice. The trial evaluated 626 patients with depression, highlighting the potential of practice-based health care assistants to recognize and react to deteriorating symptoms.
The AF Stat Call to Action outlines critical issues and recommends priority actions in policy, education, management, and quality. The report aims to reduce the burden of atrial fibrillation by improving understanding, diagnosis, and management among all parties affected.
Researchers found that inexperienced female fruit flies can learn to prefer certain locations for laying eggs after observing mated females, indicating social learning abilities. This study suggests that even solitary insects may exhibit social learning as a survival mechanism.
Researchers have created a new technology using DNA origami that can form tiny letters with multiple branching points, addressing the need for narrow features in nanoelectronics. The breakthrough could lead to the development of nanoscale devices with unprecedented capabilities.
The Swift satellite has acquired the highest-resolution view of the Andromeda Galaxy in ultraviolet light, capturing over 20,000 ultraviolet sources. The galaxy's star-formation processes can now be studied in greater detail than previously possible with the help of three ultraviolet filters.
Researchers at Medical College of Georgia say blocking a protein that battles infection may help prevent a common cause of vision loss in chronic diseases like diabetes. The protein interleukin-6 prompts inflammation, which can lead to complications such as diabetic retinopathy.
A Yale team found a crucial molecular mechanism for mixing neurons in columns of the cerebral cortex. This intermixing is essential for normal cognitive processing and disruption can lead to severe problems like autism and mental retardation.
The HIV Nef protein inhibits cell mobility in immune cells, disrupting their ability to establish contact and combat the virus. This mechanism may lead to the malfunction of B-lymphocytes in AIDS patients.
Researchers from Brigham Young University have successfully created a customized DNA origami technique to write the letters B-Y-U on an extremely small scale. This breakthrough enables the design of nanoscale shapes for electrical circuitry and the creation of inexpensive computer chips.
A study found that hospitalized patients with acute kidney injury requiring dialysis have a higher risk of chronic dialysis, but not increased mortality rates. Patients who survive hospitalization complicated by acute kidney injury requiring dialysis remain at high risk of needing dialysis for 3-5 years.
Researchers at UBC have developed a new genome sequencing technique that could boost the fight against mountain pine beetles and improve cancer research. The method uses cutting-edge hardware with novel software to compile genome sequences at a fraction of the cost of previous methods.
Researchers found that gut bacteria of transplant patients with an ileostomy opening were dominated by facultative anaerobes, while those without an ileostomy had strictly anaerobic populations. The study suggests the gut can have two stable bacterial ecosystems, one tolerant to oxygen and another not.
A new study by Mount Sinai researchers found that cognitive testing by telephone is as effective as in-person testing in evaluating cognition in elderly individuals. The study used well-established neuropsychological tests and involved 54 healthy women with an average age of 79.
Researchers have developed a new analytical method to quantify environmental contaminant reactions in real-time, enabling predictions of risks and transport. This breakthrough advances understanding of geochemical processes and has significant applications in environmental science, particularly for contaminants like arsenic.
A study found that children under 3 cannot learn verbs from watching TV alone, but can do so when an adult is present to support their learning. Adults play a crucial role in helping young children understand and apply verb concepts.
A new computed-tomography-based protocol can identify coronary artery narrowing and myocardial ischemia simultaneously, improving diagnostic accuracy for clinically significant coronary artery disease. The study's results compare favorably to SPECT stress imaging and cardiac catheterization, with lower radiation doses.
A Norwegian study found associations between acne, high chocolate and chip intake, and low vegetable consumption in both males and females. Mental health problems were also strongly linked to acne, even when diet was introduced into the statistical model.
Researchers at Purdue University are developing laser-based technologies to create longer-lasting medical implants and arterial stents. The new techniques use layer-by-layer deposition of metal and ceramic materials, enabling strong bonds and complex shapes.
Researchers at Virginia Commonwealth University discovered a gene involved in sperm production that may contribute to male infertility. The study found that mice lacking the MEIG1 protein were sterile due to impaired spermiogenesis, a process crucial for sperm development.
Research found a modestly increased risk of death in patients with lesser degrees of celiac disease-related symptoms. The risk was highest in the first year of follow-up, with cardiovascular disease and malignancy being the main causes of death in celiac disease.
Researchers have discovered that space radiation can cause rapid bone loss in mice, which may lead to new treatments for cancer patients and astronauts. The study's findings suggest that existing medications like bisphosphonates could prevent this early loss of bone mass.
A recent study at the University of Illinois used computer models PnET-II and LANDIS-II to simulate possible forest landscape scenarios up to 200-400 years in the future. The study found that temperature and photosynthetic active radiation are the most important variables predicting forest landscapes, with uncertainties increasing afte...
Researchers discovered that reactive oxygen species are necessary for invadopodia formation, allowing cancer cells to become metastatic. Inhibiting reactive oxygen reduces invadopodia formation and limits cancer cell invasion.
A study published in JAMA Network found that black patients who experience in-hospital cardiac arrest are less likely to survive, with racial disparities largely attributed to the hospital's quality of care. The researchers discovered that black patients were more likely to receive treatment at hospitals with poorer outcomes.
Researchers found that exotic eucalyptus and tropical ash plantations used significantly more water than native ohia trees, with rates of up to 2.5 times higher. The study emphasizes the need for land management plans to consider the water use of different ecosystems.
A study found that extracorporeal membrane oxygenation (ECMO) significantly improves survival rates and reduces disability in adults with severe acute respiratory failure. The treatment, which uses heart-lung bypass technology, was shown to be cost-effective compared to conventional ventilation.
A study of 50 infants and toddlers found that background TV decreased both the amount and depth of parent-child interactions. Parents spent less time talking to their children and were less attentive and responsive.
University of Minnesota researchers identified genes producing THC, a psychoactive substance in marijuana, to create a drug-free Cannabis plant for hemp fiber and oil. The study also aims to develop new pain and nausea treatments.
A new study found that supplementing babies' formula with DHA boosts their cognitive development. The research, published in Child Development, showed that babies who received formula supplemented with high concentrations of DHA performed better on a problem-solving test and displayed more intentional behaviors.
Brookhaven scientists have developed a cost-effective method to remove mercury contamination from soil and industrial waste using In Situ Mercury Stabilization (ISMS). The technology involves treating mercury-contaminated materials with sulfur-based reagents, reducing environmental impact and making remediation more affordable.
A study by IMpACT, an international collaboration of researchers, suggests that adult ADHD has a high genetic component. The findings indicate that multiple gene defects contribute to the disorder, with heritability estimates ranging from 60๓%. This research aims to identify risk genes for ADHD and develop effective treatments.
A Loyola University Health System study found that breast cancer patients can prevent bone loss by correcting secondary causes, such as vitamin D deficiency, and using bisphosphonate osteoporosis drugs. After one year, patients with secondary causes showed stable bone mineral density.
Animal rights extremists are increasingly targeting researchers, posing a threat to human health and scientific progress. The Society for Neuroscience emphasizes the need for public education and advocacy to protect researchers' safety and advance medical research.
The authors emphasize the need for radical reductions in CO2 emissions to prevent catastrophic climate change, highlighting its impact on global health and human well-being. They advocate for a low-carbon diet, clean power, and sustainable agriculture to achieve a healthier and more equal society.
The James Webb Space Telescope's Integrated Science Instrument Module (ISIM) has arrived at NASA Goddard for testing, featuring four scientific instruments and a critical cryogenic structure. The ISIM will undergo rigorous qualification testing to ensure its ability to survive space and extreme cold.
The report finds Hispanic/Latino Americans have a unique cancer risk profile, with lower incidence rates for all cancers combined, but higher rates of stomach, cervix, liver, and gallbladder cancers. They also experience later stage diagnoses for many cancers, including breast and melanoma.
Researchers have discovered different friction forces when carbon nanotubes slide along their axis versus perpendicular to it, which could provide a new tool for assembling nanotubes into devices. The findings also offer insight into fundamental friction issues and potentially be used to sort nanotubes according to their chirality.
A new study found that high-quality early child care improves reading and math scores, particularly for low-income children. The research used data from over 1,300 children and suggests a link between early childhood care quality and later achievement in middle childhood.
The Connecting For Baby program, developed by researchers at the University of Missouri, aims to help low-income, unmarried couples build healthy families. The program provides resources and relationship skills to help couples work together and stay together, with a focus on reducing stress and improving mental health.
A cross-cultural study finds that teacher support is essential to students' self-esteem in both China and the US. Students who feel supported by their teachers tend to have higher self-esteem, while those who don't face increased depression risk.
A new computer algorithm at the University of Washington reconstructs an entire city, including landmarks like the Colosseum and St. Peter's Basilica, from 150,000 tourist photos in about a day. The tool uses a faster code that works over 100 times faster than previous versions, making it possible to tackle more ambitious projects.
A study found improved survival rates for men with localized prostate cancer diagnosed between 1992 and 2002 compared to earlier eras. The 10-year prostate cancer-specific mortality rate was 8.3% for well-differentiated tumors, lower than previous reports.
A study found that black patients have lower survival rates after in-hospital cardiac arrests compared to white patients. The racial difference was largely associated with the quality of hospitals where black patients received care.
Researchers found that successful weight losers respond differently to food cues in the brain, with stronger signals in areas associated with behavioral control and visual attention. This response may lead to preventive or corrective behaviors promoting long-term weight control.
A longitudinal study of low-income parents and their 1-year-old children found that spanking leads to more aggressive behaviors and less sophisticated cognitive development. Verbal punishment, however, is not associated with such negative effects when accompanied by emotional support from mothers.
Researchers have sequenced DNA barcodes for 25 hunted wildlife species to monitor the elusive trade of wildlife products. The barcodes can help crack down on illegal bushmeat trafficking and support conservation efforts.
Researchers at Iowa State University are exploring a new method of controlling soybean aphids without using chemical pesticides. They aim to genetically modify soybeans to produce a toxin that is lethal to aphids but harmless to mammals.
Researchers at the University of Texas Health Science Center at Houston have linked osteopontin to COPD, a potentially novel approach to treatment. Elevated levels of osteopontin were found in people with COPD, suggesting it could serve as both an indicator and therapeutic target.
A recent study published in Journal of Evolutionary Biology found that male bighorn sheep have distinct personalities, influencing their survival and reproductive success. Younger, more aggressive rams often reproduce but die younger, while older, more docile peers survive longer.
A new technology, EpiCollect, uses mobile phone software to collect and record data, photos, and videos from users worldwide. The system maps findings using Google Maps, allowing researchers to quickly build up and share maps of species distribution or disease cases.
A new study from St. Michael's Hospital reveals that patients with acute kidney injury requiring in-hospital dialysis are three times more likely to need long-term dialysis later in life. Early medical surveillance and intervention may prevent progression to irreversible end-stage kidney disease.
Researchers found that closing eyes during emotional stimulation increases brain activity in the amygdala, a region responsible for emotions. This could lead to new therapies for Alzheimer's, Parkinson's, and other neurological diseases.