Research by Dr Elizabeth Barry reveals how 18th century obituaries popularized the concept of celebrity, shifting attention from historically significant achievements to eccentric lives. The rise of newspapers and magazines played a crucial role in this phenomenon, cementing the public's fascination with famous individuals.
Researchers compared many human and chimpanzee genomes to identify duplicated or lost regions during evolution, finding similar patterns in copy number variation but key gene differences. CNVs affected genes involved in inflammation and cell proliferation, with one gene linked to HIV susceptibility found to have reduced numbers in chimps.
Researchers at Stanford University School of Medicine discovered that Wnt-responsive cells in embryoid bodies spontaneously form a primitive streak, which is a hallmark of gastrulation. The study suggests that understanding this process can help direct the differentiation of embryonic stem cells for therapy.
Researchers used MRI scans to detect gray matter damage in MS patients, finding that unnatural darkness was linked to higher risk of disability progression. This new marker shows closer correlations with clinical status than other established markers.
Researchers at the University of Pittsburgh have identified the orbitofrontal cortex as a promising target for developing new antipsychotic drugs to treat schizophrenia. The study found that this brain region responds to both dopamine and glutamate, neurotransmitters linked to schizophrenia.
Researchers have identified two small molecule compounds, BIX and BayK, that can replace conventional reprogramming genes, enabling the selective reprogramming of general cells into pluripotent stem cells. This breakthrough technology offers a more precise control over the process and has distinct advantages over genetic manipulation.
Research found that mothers who smoked during pregnancy were more than twice as likely to have a baby with a cleft palate or lip. Nearly 7,000 babies are born annually with oral-facial clefts in the US, which can lead to feeding difficulties and other health issues.
The No Child Left Behind law has led to a focus on teaching to the test, resulting in marginalized writing instruction in low-income schools. Younger teachers in these schools face increased pressure to perform due to high-stakes testing, leading to burnout and turnover.
A new study reveals that therapy targeting cyclin D1 can block the expansion of breast cancer cells, which are involved in therapy resistance and tumor recurrence. The findings provide a potential new treatment approach for targeted therapies at cancer stem cells in humans.
The Medical College of Georgia has received a $100,000 grant from the Bill & Melinda Gates Foundation to develop an antibody-based vaccine against HIV-1. Dr. Pandelakis Koni aims to target conserved areas of the virus's sugar coating, which he believes could be vulnerable to attack.
A new study found that maternal smoke exposure during pregnancy increases the risk of oral clefts in babies. Another study revealed that infants exposed to cigarette smoke are more irritable and difficult to soothe than those not exposed. The findings emphasize the importance of smoking cessation programs for expectant mothers.
Yeheskel Bar-Ness, a prominent expert in wireless communications and signal processing, has been recognized with the Thomas Alva Edison Patent Award. His innovative work on MIMO-OFDM technology will facilitate the transport of five times more data traffic than today's most advanced networks.
A new study shows Pycnogenol, a natural plant extract from pine bark, reduces jetlag symptoms by nearly 50% in both healthy individuals and hypertensive patients. The study found significant reductions in fatigue, headaches, insomnia, and brain edema, as well as minimal lower leg edema.
Researchers found that applying a probiotic bacterial solution in place of antiseptics effectively prevents respiratory illness in ventilated patients. The friendly bacteria, Lactobacillus plantarum 299, has no negative side effects and does not contribute to antibiotic-resistant strains.
Researchers found that high blood pressure during pregnancy can be an early warning sign of future cardiovascular problems. A study followed 400 Ontario women with pre-eclampsia and found they had higher rates of elevated blood pressure and lipids, suggesting a link between the condition and increased cardiovascular risk.
A Dutch researcher has developed a new metal alloy that can absorb hydrogen, making it possible to store the gas in lighter tanks. This breakthrough could make hydrogen a cleaner alternative to battery-powered vehicles.
Spanish-speaking Hispanics take longer to respond to medication for depression and are less likely to go into remission than English-speaking counterparts. Socioeconomic factors such as education level and income play a significant role in treatment outcomes.
The Boston Medical Center has received a $50,000 grant from The Avon Foundation to support the Child Witness to Violence Project (CWVP), which provides trauma-focused counseling and advocacy to children affected by violence. CWVP will use the grant to train police officers to better recognize and respond to child witnesses of violence.
A new study from the University of Iowa found that lung airway cells can activate vitamin D, leading to the expression of genes involved in immune defense. The active form of vitamin D helps fight bacterial infections and reduces inflammation.
A study found that adolescents addicted to opioids who received extended treatment with combination medication had lower rates of testing positive or reporting use of opioids compared to those in short-term detoxification programs. Patients in the extended treatment group reported less use of opioids and cocaine, as well as a lower nee...
A study found that patients at risk for sudden cardiac death after a heart attack are those who develop heart failure or recurrent ischemia. The risk declines over time, but remains high during the first month after heart attack.
A study found that daily folic acid and B vitamin supplements had no impact on cancer risk in high-risk women. The results suggest a lack of benefit for total invasive cancer and breast cancer, with age modifying the effect.
Researchers have discovered that the apelin protein can help regulate blood sugar levels in individuals with type II diabetes. Activation of this second pathway improves glucose regulation and offers a potential new treatment option.
Researchers found brain responds to verbal errors with specific signal that can sometimes be corrected in time, similar to physical actions like grabbing or walking.
A new study by Queen Mary University of London highlights the success of a grassroots coalition in winning higher wages for low-paid migrant office cleaners. The research shows that community action and cooperation among faith groups, unions, and community organisations can bring positive changes.
The NOAA-N Prime satellite, built by Lockheed Martin, will provide a polar-orbiting platform for environmental monitoring instruments. The satellite will assist in measuring Earth's atmosphere, surface, and cloud cover, as well as supporting the Search and Rescue Satellite-Aided Tracking system.
A daily oral dose of MK-677 increased muscle mass in healthy older adults by restoring 20% of lost muscle mass associated with aging. The study shows promise for a treatment that could help prevent age-related frailty and maintain independence as seniors age.
Researchers have found large coral reefs growing in cold, deep waters of the Atlantic Ocean, up to 1,000 meters below the surface. These cold-water corals thrive in areas with strong tidal currents and nutrient-rich seawater, allowing them to feed on algae and zooplankton.
Researchers at Rensselaer Polytechnic Institute developed a measurement technique to map nanomaterials as they grow, enhancing material efficiency. The new method allows for faster discovery of optimal nanomaterial structures, leading to potential breakthroughs in solar panels and magnetic data storage.
Researchers at Penn School Medicine have discovered a molecular balance that governs the number of mature B-cells in the blood stream, balancing immune responses and autoimmunity. By adding BLyS, the 'brakes' on immature B cells are relaxed, while neutralizing it allows memory B cells to survive.
A Mayo Clinic study of nearly 3,000 heart attack survivors found that the risk of sudden cardiac death is highest in the first month after leaving the hospital. After that initial period, the risk drops significantly but rises again if symptoms of heart failure appear.
Researchers at Hospital for Special Surgery have identified a potential new therapeutic target for treating inflammatory disorders like rheumatoid arthritis. Manipulating the protein RBP-J could serve as a treatment, leveraging gamma secretase inhibitors already in trials for leukemia.
Researchers at the Genome Institute of Singapore found that 'junk' DNA plays a crucial role in distinguishing humans from other species. These repeats provide a source of evolutionary variability and may hold the key to understanding physical differences between humans and other organisms.
A five-year study tracked over 625,000 patients in Southern California to find that a healthy bones program reduced hip fracture rates by an average of 37.2%, with some reductions reaching as high as 50%. Implementing initiatives such as bone density tests and anti-osteoporosis medications led to significant improvements.
A Rush University Medical Center study of over 500 hip resurfacing surgeries reveals that complications occur more frequently in women of all ages and men over 55. The most common complication was a fracture of the femoral neck.
A genetic study found that Townsend's warblers have inherited mitochondrial DNA from hermit warblers, indicating interbreeding in the past. The DNA analysis suggests that natural selection drove hermits out of their range, leaving behind genetic fingerprints.
Researchers from the Kennedy Krieger Institute found that girls with ADHD experience fewer motor skill difficulties compared to their male peers. The study suggests that sex-related differences in children with ADHD extend beyond symptom presentation, and that girls may outgrow ADHD-related motor skill deficits before age 7.
A Harvard-based study found that children who studied a musical instrument for at least three years outperformed those with no instrumental training on tests of verbal ability, visual pattern completion, auditory discrimination, and finger dexterity. The longer the child practiced, the better they scored in these areas.
Consumer market readiness for tailored nutrition based on genetic profiles is limited due to concerns over personalization and regulation. Key factors hindering adoption include the need for clear scientific consensus and acceptable disruption to daily life.
Genetic research reveals black rats carried a pathogenic protozoan that exterminated two endemic species on Christmas Island. The study is the first to demonstrate extinction in a mammal due to disease, contradicting most scientists' view of pathogens' effect on species.
A study of over 300 diabetics and their caregivers will measure the impact of insulin pump technology on quality of life, attitudes towards treatment, and lifestyle changes. The research aims to provide insights into the clinical implications and potential coverage by Medicare and health insurance providers.
A new synthetic chemical entity activates the SIRT1 pathway, improving glucose tolerance, insulin sensitivity, and exercise endurance in mice fed a high-fat diet. The study demonstrates that this activation primarily promotes fat consumption in skeletal muscle, liver, and brown adipose tissue.
A computer model developed by Koos Huijssen predicts sound transmission of improved ultrasound instrument designs, processing large data sets on PC and parallel supercomputers. The model is being used to design a new sonographic transducer at Erasmus University Medical Centre.
Researchers found that fetuses of obese mother rats developed obesity in adulthood due to altered energy homeostasis and hormone levels. The study suggests that women maintaining optimal conditions during pregnancy may be crucial in preventing adult-onset obesity.
Researchers used a VHF radio interferometer system to study cloud-to-ground lightning flashes, revealing new characteristics and progression speeds of different types of leaders. The system allows for microsecond-order time and space reconstruction, enabling detailed analysis of lightning flash processes.
Researchers detected large gas reservoirs in mid-crust rocks using seismic method, contradicting conventional wisdom about gas-anomaly locations. Gas-filled tiny fissures in rocks cause significant decrease in seismic wave velocity.
Researchers mapped thousands of positions where PPAR gamma regulates genes in fat cells, potentially leading to new therapies for reducing fat cell numbers or altering function. The findings aim to decrease side effects associated with antidiabetic drugs.
A study by Queen Mary University of London reveals higher rates of psychosis among all black and ethnic minority subgroups compared to white British individuals. The risk varies by ethnicity and generation, with second-generation immigrants facing a significantly increased risk due to their age profile.
A recent study found that nicotinamide, a water-soluble vitamin, lowered levels of phosphorylated tau protein, a key player in Alzheimer's disease development. The treatment also strengthened microtubules, the scaffolding within brain cells, helping to keep neurons alive and preventing symptoms in mice with Alzheimer's disease.
Researchers have successfully shielded spacecraft from deadly space weather using a portable magnetosphere, making a manned mission to Mars more feasible. The technology uses knowledge gained from nuclear fusion research to scatter solar wind particles away from astronauts.
The Rhode Island Hospital simulation center examines the benefits of advanced medical simulation in five manuscripts, describing its use in training for dynamic, complex medical situations. The articles also discuss the role of simulation in assessing and improving small-scale clinical systems in emergency medicine.
A new theoretical model has been developed to estimate radiation skin doses during CT-guided interventional procedures, which can be used in real-time to optimize techniques and minimize the risk of radiation injuries. The results indicate accurate estimation of peak skin doses using this model.
A recent study published in Pediatrics found that flu vaccination rates for adolescents with asthma and other illnesses are still low, ranging from 8-15% over the study period. However, the researchers suggest that a universal influenza vaccination approach may increase coverage among this population.
Scientists have discovered similarities in a region of chromosome 7q31 among siblings with colon cancer, suggesting a potential gene cause. Siblings sharing this genetic region tend to develop cancer 3.8 years earlier than non-sharing siblings.
A study found that children living in counties with higher annual precipitation had a higher risk of developing autism. The association suggests an environmental trigger for the condition, potentially related to increased indoor activities and decreased exposure to sunshine.
Research links smoking to impaired sense of smell and increased cases of laryngitis. Second-hand smoke also triggers symptoms of 'environmental laryngitis'. Quitting is advised as primary therapeutic measure for upper airway ailments.
A population-based study of Type 1 diabetes patients found that better glycemic control reduces diabetic retinopathy progression. Additionally, a cohort study on age-related macular degeneration (AMD) discovered an association between poor night vision and increased risk of AMD progression.
The ARVO Foundation and Merck are offering prestigious global ophthalmic research awards to young scientists aged 45 and under. The awards aim to encourage innovative research in critical areas of ophthalmology. A total of $70,000 in grants will be awarded annually for two categories: glaucoma and back-of-the-eye diseases.
A new study reveals how an HIV vaccine may have enhanced infection rates by tethering the vaccine to immune cells, facilitating entry and activation of T cells. This raises concerns about the effectiveness of the vaccine in preventing HIV infection.
Researchers used SPECT to detect brain perfusion abnormalities in fibromyalgia patients, revealing correlations with pain intensity and emotional responses. The study confirms fibromyalgia as a real disorder, not just depression-related, and may improve treatment prediction.