A new study confirms that fish livers contain long-chain polyunsaturated fatty acids, which are beneficial to health and have been found in high levels in certain species. The researchers highlight the nutritional properties of these organs and suggest that their use could reduce environmental pollution caused by discarding fish entrails.
A recent study published in the American Journal of Human Genetics reveals that mutations in a single gene, centrosomal NDE1, may have played a key role in shaping the human cerebral cortex. The research found that these genetic variations were responsible for microcephaly, a condition characterized by abnormally small brains.
A new study uses long-term data to discover that the relationship between mood and alcohol use varies greatly among individuals. Adolescents with behavioral problems tend to drink more regardless of their mood, while those without behavioral issues exhibit a stronger link between depression and increased drinking when feeling down.
Scientists at Yale University used fluorescent stains to create movies of cellular actin filaments disassembling, shedding light on their mysterious process. The study reveals the location of breaks along the filaments, crucial for cell movement and maintenance.
A study by Henry Ford Hospital found a direct association between cotton swab use and ruptured eardrum. In most cases, the rupture heals within two months without surgery, but in severe cases, surgical intervention is necessary to repair the eardrum.
Scientists at the University of Wisconsin-Madison have detected an unmistakable warning sign of an impending ecological catastrophe in a remote Wisconsin lake. The team, led by ecologist Stephen Carpenter, monitored vital signs across three years and found subtle changes in the system's natural patterns of variability, indicating a reg...
Researchers at Boston University's Computational Neurophysiology Laboratory have discovered a link between theta rhythm and the ability of animals to track their location. Grid cells in the entorhinal cortex require theta oscillations as a clock to help animals keep track of their spatial location.
Researchers found box jellyfish use four of their 24 eyes to navigate through mangrove swamps by detecting the canopy's visual field. This ability allows them to avoid obstacles and control swimming rates in shallow waters.
A new study by the American Society of Nephrology found that ramipril lowers the risk of kidney disease progression in all weight groups, but shows a significant reduction in obese patients. Obese patients with kidney disease progress more quickly towards renal failure compared to non-obese patients.
Conservationists should consider prehistoric records to make informed decisions about animal reintroductions. R. Lee Lyman, a University of Missouri anthropologist, warns that the southeastern Ozarks may not be suitable habitat for elk due to food and terrain issues.
A recent study by Washington University in St. Louis scientist Younan Xia found that nanoparticles above certain sizes and weights settle, altering the concentration near cell surfaces and resulting in higher cellular uptake rates. This discovery may invalidate prior experiments on nanoparticle toxicity and dosimetry.
Wayne State doctoral student Keith Zabel has been awarded a prestigious NSF Graduate Research Fellowship to study the impact of racial bias on mentorship. His research aims to determine if prejudice towards black mentors affects protégé outcomes, with potential implications for mentoring literature.
A study found that Medicare reimbursement policy significantly affects the use of costly breast cancer therapy, including intensity-modulated radiation therapy (IMRT). The analysis showed a sharp increase in IMRT usage and costs between 2001 and 2005, with billing rates varying by region and treatment setting.
Researchers discover CENP-C and CENP-T proteins, which are essential for kinetochore assembly and can potentially overcome the current obstacle of outfitting artificial chromosomes with kinetochores. This finding could lead to new genetic research tools and efficient creation of artificial human chromosomes.
Researchers detected a warning signal of impending ecosystem collapse in a Wisconsin lake by monitoring its complex signals and biological community changes. The study provides evidence that radical change can be foreseen, potentially preventing ecological catastrophe.
A study found low vaccine acceptance rates among parents of black and Hispanic children, with only 36% indicating they would immunize against H1N1. Parents' confidence in vaccines and their preventive abilities were key factors influencing vaccination decisions.
A consortium of experts has developed a web-based platform to share tools and knowledge in hardware security and trust, aiming to establish criteria for determining IC trustworthiness and develop universal solutions for IC security.
A team led by Iowa State chemist Malika Jeffries-EL has developed new polymer structures that mimic traditional semiconductors, improving properties of certain organic polymers. The research aims to create more efficient organic solar cells and light-emitting diodes.
Psychologist E. Scott Geller advocates for a culture of safety that empowers workers to report hazards and encourages positive reinforcement over threats. He argues that root causes are complex and multi-factorial, and that listening to workers can lead to safer workplaces.
Researchers suggest Agulhas Current compensates for North Atlantic salinity decrease, stabilizing Gulf Stream and European climate. Computational models simulate ocean dynamics and signal transmission.
Researchers found that advancements in brain anatomy and signal processing allowed mormyrids to fully exploit electric signal space, leading to rapid speciation. The study revealed two equally parsimonious ways to reconstruct the fish's evolutionary history, challenging current understanding of brain development.
Researchers at UCSF have discovered a novel way genes are expressed in different tissues throughout life, using a mutant mouse with extra ribs. This finding has broad implications for understanding developmental diseases and may lead to new cancer therapies.
A large clinical trial found gatifloxacin to be equally effective as chloramphenicol in treating typhoid, but with fewer side effects. The new antibiotic is more affordable and only needs to be taken once a day.
The European Peer Review Guide identifies five pillars for supporting good practices of peer review, including core principles, quality assurance, process integrity, governance structure, and methodology. The guide aims to minimize variability in peer review outcomes and foster harmonization in international peer review.
Researchers at Instituto Gulbenkian de Ciencia unravel the molecular mechanism of sickle cell trait's protective effect against malaria. Sickle hemoglobin induces heme oxygenase-1, which produces carbon monoxide to protect infected hosts from cerebral malaria.
Research found a significant association between tall stature, obesity, and increased risk of venous thromboembolism (VTE) in both men and women. The study analyzed data from over 26,700 adults and found that being tall and obese may increase the risk of blood clots in deep veins by up to 5.28 times for men and 2.77 times for women.
Researchers discovered that wearing body armor fully protected mice brains from axonal nerve cell damage in critical parts of the brain. Body armor shielded mice from over 80% of axonal damage observed in the brain's visual pathways.
The California Academy of Sciences is conducting a comprehensive survey effort in the Philippines to document terrestrial and marine life forms. The expedition aims to discover new species, map their distribution, and inform conservation decisions.
Researchers developed an effective gene therapy technique using induced pluripotent stem cells to correct chronic granulomatous disease in cell culture. The corrected neutrophils produced normal levels of hydrogen peroxide, potentially offering a cure for the rare disorder.
Asteroid Scheila unexpectedly brightened with short-lived plumes after being struck by a smaller asteroid, according to data from NASA's Swift satellite and Hubble Space Telescope. The collision created a crater 1,000 feet across and ejected over 660,000 tons of dust.
The FASEB MARC Program has awarded 9 travel grants totaling $14,850 to support underrepresented minority students and postdoctorates at the Endocrine Society's annual meeting. This initiative aims to increase diversity in biomedical research.
A new screening tool has been introduced to identify subtle signs of autism in 1-year-old children during well-baby check-ups. The 5-minute checklist is designed to be adopted by pediatricians nationwide and has shown high accuracy rates, enabling early diagnosis and treatment.
A new method developed by researchers at the University of California, San Diego School of Medicine has revealed functional gene networks in a live organism. The technique allows for the prediction of gene functions and could be useful for understanding human disease.
A new study published in JAMA found that neither vitamin E nor the diabetes drug metformin successfully reduced liver enzymes in children and teens with nonalcoholic fatty liver disease. However, a biopsy of the liver showed improvement in injury pattern with vitamin E therapy in patients with severe fatty liver disease. The study high...
Researchers at Emory University are exploring the use of prairie voles to identify drugs that can enhance social learning in individuals with autism spectrum disorders. The study found that giving female voles D-cycloserine promotes pair bonding, suggesting its potential as a therapeutic tool for treating autism.
A study demonstrates that monkeys can recall and reproduce simple shapes from memory, mirroring the performance of humans using a standard recall test. This finding suggests that recollection might be an adaptive ability in primates long before humans evolved.
Researchers have found that models used to assess catastrophic changes can also predict environmental collapse. By monitoring variability in key ecosystem processes, scientists can detect early warning signs of regime shifts and potentially prevent ecological breakdowns.
A new Henry Ford Hospital study identified a successful treatment protocol for facial, tongue, and airway swelling caused by ACE inhibitors. Treatment with IV corticosteroids and antihistamines reduced swelling and prevented airway obstruction in all patients.
ScienceBuddies.org engages students in hands-on science, attracting 9.8 million unique visitors in 2010. The site offers personalized learning tools and features over 1,000 project ideas to ignite passion for learning.
A new study found that people with higher social status respond more strongly to information about others of higher status, while those with lower status respond more strongly to information about others of lower status. This effect is linked to the brain's value system and has important implications for social behavior and interactions.
Researchers Peter Cummings and Michael Simpson propose that mimicking natural processes can lead to more efficient and reliable devices. By exploiting contrarian behavior and 'noise,' scientists can develop technology that outperforms traditional methods, as seen in the humble bacterial cell's ability to withstand modern medicines.
The TRMM satellite detected massive thunderstorms and very heavy rainfall along a powerful cold front moving through the eastern United States on April 28, 2011. Tornadoes spawned by these storms caused significant loss of life, with at least 128 deaths in Alabama and 15 in Georgia.
A study found that flu vaccination in transplant patients lowers risk of organ loss and death. Vaccination is safe and effective, contradicting earlier concerns about its impact on transplanted organs.
Cedars-Sinai researchers discovered how white blood cells identify invading fungi, using the molecular receptor Dectin-1. This finding sheds light on the immune system's ability to mount a response against pathogens.
Astronomers discover densest solid planet 55 Cancri e, with a diameter 60% larger than Earth, orbiting its star every 17 hours. The planet's immense density makes it unlikely to have an atmosphere at surface temperatures of up to 2,700 degrees Celsius.
The project aims to develop a Microbial Fuel Cell-based charger that can increase access to healthcare via mobile applications in sub-Saharan Africa. The charger would cost around $1 and could charge a phone in 24 hours, making it a low-cost solution for households lacking power.
A new study found that animal personalities are reflected in their oxidative stress profiles, with timid birds experiencing higher levels of damaging oxygen toxins and weaker defenses. In contrast, curious birds had better defences against oxidative damage.
A University of Delaware doctoral student conducted a study on how racial prejudice affects perceptions of President Barack Obama's 'Americanism' and performance. The results show that white Americans who hold prejudiced views against black people are more likely to rate Obama as performing poorly in office.
The article reports on audio recordings of the Ivory-billed Woodpecker captured by Dr. Michael Collins, which match historical descriptions. The footage shows characteristics consistent with the species, including a large crest and rared-back posture.
Researchers have identified multiple molecular targets of the anti-HIV drug nelfinavir, which may explain its effectiveness as a cancer therapy. The study, published in PLOS Computational Biology, suggests that the collective effect of these weak interactions leads to the clinical efficacy of nelfinavir.
Researchers have discovered that massive ocean eddies can reach the ocean bottom at mid-ocean ridges, transporting larvae, chemicals, and heat. This phenomenon helps explain how larvae travel huge distances from one vent area to another.
Researchers have discovered a mechanism for kinetochore formation that does not rely on the traditional centromere protein CENP-A. CENP-C and CENP-T/W complexes can direct functional kinetochore assembly, enabling accurate chromosome segregation. This breakthrough has implications for generating human artificial chromosomes.
Researchers found that higher levels of perceived stress and depressive symptoms are associated with greater VEGF expression in tumor tissue, leading to shorter disease-free survival. The study suggests psychosocial interventions may have limited impact on patients with advanced cancer.
A new study reveals that adults with arthritis experience poorer health-related quality of life compared to those without the condition. The analysis found significant associations between low HRQOL, factors such as income, employment, access to care, diabetes, and physical inactivity.
Researchers found that infants' brains develop the ability to determine light and dark cycles independently of visual stimuli. The study suggests that this innate ability is a hard-wired feature of development, allowing animals to synchronize their circadian rhythms with daily changes in light exposure.
A new method for measuring biomass reveals that fish stocks are more stable than widely believed, with only 12% collapsed and 26% overexploited. The study suggests that biomass data can ground truth catch trends, revealing biases in catch data estimates.
The study found that participants lost an average of 5.5% of their body mass, reduced waist circumference by 5.15%, and increased effort capacity by 15%. The program also showed a decrease in bad cholesterol and increase in good cholesterol.
Researchers at the University of California, San Diego, developed a novel screening approach to detect Autism Syndrome Disorder (ASD) in babies at 1-year check-ups. The 'One-Year Well-Baby Check Up Approach' has shown a positive predictive value of 75% using a simple, five-minute screening technique.
Dr. Ed Wagner receives the prestigious William B. Graham Prize for his work in chronic illness management, cancer care, and patient-centered care. The prize recognizes his significant contributions to studying how best to provide healthcare.
Biologists at UC San Diego discovered that electrical oscillations are critical for the brain to store spatial memories. Grid cells in the entorhinal cortex require precise timing of electrical oscillations to function properly, suggesting a key component in memory processing.
Researchers found that melatonin improves blood lipid profiles, increases HDL cholesterol, and reduces LDL cholesterol. The study suggests that melatonin intake or administration might be a useful tool in preventing heart diseases associated with obesity.
Researchers have identified potential human molecular targets of Nelfinavir, an anti-HIV drug also effective as a cancer therapy. The study suggests that the collective effect of weak interactions with multiple protein kinases leads to clinical efficacy.
Rhesus monkeys demonstrated flexible recall of simple shapes from memory, similar to humans, and showed ability to transfer memory skill to novel shapes. This finding suggests that the ability to recollect may have been present in our common ancestor 30 million years ago.
The landmark event brought together pediatric urologists worldwide to share ideas and advance research. Key findings highlight the growing importance of pediatric urology as a global specialty.
Researchers have discovered a novel strategy by which antibiotic-resistant bacteria change their genetic make-up to evade multiple antibiotics. The study provides a clear chemical picture of a clever mechanism for antibiotic resistance that some bacteria have evolved, enabling the design of new compounds to combat superbugs.
A new study suggests that allowing adolescents to drink with adult supervision may actually increase drinking and harm, rather than teach responsible behavior. Parents should adopt clear 'no-use' policies for young teens, setting strict rules regarding alcohol use.
Researchers have developed a genetic model of premature aging disorders in zebrafish, which can be used to screen and develop compounds to treat these conditions. The model reveals that a specific gene mutation leads to accelerated aging in the fish, providing new insights into age-related diseases.
A University of Colorado School of Medicine researcher has won a $100,000 grant to investigate the cause of preeclampsia, which affects four to eight percent of pregnant women in developed countries. The goal is to find a central unifying factor behind the condition, which kills over 75,000 women and babies annually.