Astronomers have found a clue to the evolutionary relationship between pulsars and magnetars by examining archival RXTE data of a young neutron star. The study reveals that a regular pulsar can produce powerful bursts similar to those from magnetars, challenging current understanding of their life cycles.
A new study by University of Missouri professor Christine Proulx found that mothers and fathers reported similar positive changes in the parent-child relationship as their children transitioned to young adulthood. Parents reported increased adult-like interactions, mentorship, and continued emotional support.
A large-scale study published in the American Journal of Obstetrics & Gynecology found a strong link between physical abuse during pregnancy and premature births. Researchers surveyed 2660 Caucasian women and discovered that 24% of mothers of preterm newborns had experienced physical abuse, compared to 8% of those with term births.
The AIDS epidemic is stymied by a lack of political will and societal barriers such as gender inequality. Condom use is a cost-effective method for prevention but is resisted by fundamentalist groups. Despite the challenges, researchers are working to raise awareness and promote change.
A new technique allows researchers to identify the specific neural connections and molecular tags that sustain a particular fear memory in mice. The study reveals how proteins called AMPA receptors strengthen memories by becoming part of the synapses encoding them.
A study found that genetic variations modifying MBL2 expression are associated with more severe CF symptoms, including faster lung decline in patients deficient in the protein. This may lead to new approaches for treating those at risk of increased disease severity.
A £500,000 project will use biotechnology to develop pest-resistant plantains to combat losses of up to half of the crop due to nematode worms. The initiative will also provide a reliable source of nutritious crops for impoverished communities.
Researchers at PNNL have made a significant breakthrough in understanding how barium oxide attaches to gamma-alumina, a crucial step in reducing toxic nitrogen oxide emissions. The discovery has the potential to improve the efficiency of lean burn engines, which offer up to 35% better fuel economy.
Scientists will embark on a six-week research expedition to measure turbulence, waves, and bubbles in the Southern Ocean to improve the accuracy of climate models. The goal is to understand how gases important to climate change move between the atmosphere and ocean under high winds and seas.
Researchers at the Salk Institute have discovered a novel link between excessive nutrient levels and insulin resistance. The enzyme OGT plays a crucial role in regulating insulin signaling by slamming the brake on glucose uptake, leading to the development of insulin resistance and type 2 diabetes.
A study found that genetic variations in the MBL2 protein are associated with more severe clinical symptoms of cystic fibrosis. In contrast, daily administration of growth hormone increased CD4+ T cell numbers in HIV-1 infected individuals, potentially treating conditions where CD4+ T cell function is impaired.
Alzheimer's research reveals that computers can distinguish between brain scans of patients with the disease and healthy individuals or those with other forms of dementia. The accuracy rate is as high as 96%, making it a potentially game-changing tool for early diagnosis and treatment.
A new study has found that kidney donor age is associated with increased aortic stiffness in recipients, which may explain higher rates of cardiovascular disease and death. The study suggests that targeted interventions after kidney transplantation could improve long-term results by reducing cardiovascular risk and mortality.
High-income countries like UK, USA, and Australia sustain their high physician-to-population ratio by recruiting medical graduates from developing regions in sub-Saharan Africa. Over half of these African countries do not meet the minimum acceptable PPR, with Tanzania having just 0.02 doctors per 1000 population.
The National Lung Cancer Partnership has partnered with three organizations to co-sponsor new lung cancer research grants, focusing on survivorship care and nursing-sensitive patient outcomes. This move aims to address the lack of research funding for lung cancer, a leading cancer killer in the US.
Researchers discovered a new mechanism in worm defecation that could be applicable to humans, involving pH signaling and potential therapeutic implications. The study found that positively charged hydrogen ions are used to send signals between cells, which may be involved in cell-to-cell communication.
A six-year vitamin E supplementation increased TB risk by 72% in male smokers with high dietary vitamin C intake. Vitamin E had no effect on those with low dietary vitamin C intake.
Wiley-Blackwell has renewed its commitment to neutrality, offsetting CO2 emissions from global offices and shipments. The company partners with Carbonfund.org to invest in renewable energy and reforestation projects.
A University of Denver study found that a bullying prevention program reduced self-reported bully victimization among students by 20%, compared to a 10% drop in the control group. The 'Youth Matters' curriculum taught social and emotional skills to help students avoid becoming bullies or victims.
The new microscope uses aberration-correction technology to form color images uniquely identifying individual atoms in a crystal and showing how they bond. It allows scientists to analyze materials at the atomic scale, enabling better development of new materials for electronic circuits and nanoscale devices.
The Lancet Editorial highlights the need for richer countries to stop exploiting health resources from poorer nations. The crisis in sub-Saharan Africa requires a top-down and bottom-up approach, with local solutions such as task shifting and public-private partnerships being tested.
A meta-analysis of 34 clinical trials found venlafaxine (SNRI) outperformed SSRIs in treating depression, resulting in a 5.9% increased remission rate. This translates to the need for doctors to treat 17 patients with venlafaxine to achieve one patient's benefit.
A study found that a single 20-minute expressive writing session can positively impact cancer patients' thoughts and feelings about their disease. Patients who reported changes in their thoughts and feelings after writing also experienced better physical quality of life three weeks later.
Researchers at Gladstone and UCSF found that growth hormone therapy stimulates the production of vital T-cells, leading to increased thymic mass and improved immune function. The study suggests that this treatment could help HIV-infected patients rebuild their compromised immune systems.
A new study finds that ketamine's antidepressant effects are mediated by its ability to increase AMPA receptor stimulation, suggesting drugs enhancing this function may have rapid antidepressant properties. Researchers now aim to develop AMPA-boosting drugs without ketamine's side effects.
A team led by Katrina Edwards is drilling into the ocean floor to study subseafloor microbes, which may affect ocean chemistry and global climate. The five-year project will use complex engineering and instrumentation to conduct long-term experiments and uncover new details about these microbes.
A recent study published in Arthritis Research & Therapy found that patients with fibromyalgia who participated in supervised training exercises in warm water experienced reduced symptoms and improved health-related quality of life. This cost-effective approach may offer a promising alternative to traditional treatments.
Task shifting of HIV antiretroviral treatment delivery in sub-Saharan Africa can increase coverage and improve outcomes when paired with other measures to expand the health workforce. However, it must be accompanied by adequate supervision, support, and fair compensation for lower-cadre workers.
Scientists at Imperial College London have discovered that dense plates tend to be held in the upper mantle, while younger and lighter plates sink into the lower mantle. This new understanding could improve earthquake risk assessments by explaining plate movements and earthquakes in regions like the Western Pacific.
A recent Lancet study reveals that there is a lack of evidence to guide policies on human resources for health in middle- and low-income countries. The authors analyzed published literature from 1979 onwards and found that only a few studies included data from these countries, highlighting the need for more systematic reviews and resea...
A new £7M research initiative aims to improve crop yields and alleviate poverty in developing countries. The Biotechnology and Biological Sciences Research Council is funding 12 projects to develop crops that can survive in harsh environmental conditions, reducing the impact of pests, diseases, and climate change.
A basic educational programme boosts ICU nurses' ability to screen for delirium, surpassing expert performance in a standardised format. The programme's combination of lecture and practical exercises rapidly improves the capacity for nurses to perform delirium assessments accurately.
Pak H. Chan receives the Thomas Willis Award for major contributions to stroke understanding, while S. Claiborne Johnston and Pooja Khatri receive awards for clinical stroke research and young investigator recognition respectively.
Patients with rheumatoid arthritis are at a higher risk of developing depression due to chronic pain and functional disability. Only one in five RA patients discuss their symptoms with their rheumatologists, highlighting the need for improved communication about mental health.
A new study reveals that zigzagging provides the most efficient way for humans to ascend steep slopes, with a mathematical model supporting its advantages. The research suggests that this pattern of movement emerged as a compromise between energy efficiency and the physical limitations of human physiology.
Researchers found that calling a doctor's office instead of 9-1-1 can delay patients from reaching the emergency room during the critical three-hour window for acute stroke treatment. Calling an emergency number or ambulance is the quickest way to receive timely treatment and potentially avoid serious post-stroke disability.
A new study maps emerging disease hotspots worldwide, revealing that human-wildlife conflict and drug-resistant pathogens are major contributors. The research, which analyzed 335 diseases from 1940 to 2004, shows that disease emergence has roughly quadrupled over the past 50 years.
The NOVA documentary 'Forgotten Genius' tells the story of African-American chemist Percy Julian, who made groundbreaking discoveries in steroids and developed life-saving drugs. The film highlights Julian's personal courage and tenacity in the face of racism and adversity.
A large-scale study confirms that the cardiac surgery drug aprotinin increases death rates and damages kidney function. The study analyzed data from over 10,000 patients and found that those who received aprotinin had higher mortality rates and impaired kidney function compared to those who did not.
A University of Houston professor found a new side effect of lead exposure: obesity in male mice born to mothers exposed to varying levels of lead. The study suggests that the link may be related to testosterone or other hormones, and highlights the need for lower acceptable lead exposure rates for pregnant women and children.
New research finds that hemoglobin A1c test underestimates true glucose control in hemodialysis patients, potentially leading to inadequate treatment and poor outcomes. The study suggests the use of a newer test, glycated albumin, as a more accurate measure of blood sugar control for diabetic dialysis patients.
A Cornell-led study comparing 15 African-Americans and 20 European-Americans found proportionately more harmful genetic variations in Europeans. Computer simulations suggest that the first Europeans had smaller and less diverse populations, allowing mildly harmful variations to become more frequent over time.
Researchers at Massachusetts General Hospital have identified a new strategy for normalizing tumor blood supply by controlling nitric oxide levels. By selectively suppressing NO production in tumor cells while maintaining it in blood vessels, the study found improved appearance and function of the tumor's blood supply.
A University of Alberta study found that beaver presence increases open water availability by up to nine times, providing habitat and resources for land animals, amphibians, and livestock. The study suggests climate models predict increased drought frequency and length, where beavers can play a crucial role in maintaining wetlands.
A new study published in Human Communication Research found that exposure to racial bias in television programming can have a negative impact on viewers' perceptions. The study showed that unfavorable portrayals of Latinos led to decreased evaluations of their education and qualifications, promoting an us-versus-them mentality.
A recent study published in Archives of General Psychiatry found that genetic and environmental factors play a crucial role in shaping cortisol responses to stress in young children, with family context being a significant determining factor.
The study characterizes over 500,000 DNA markers in the human genome and examines variations across 29 populations on five continents. It reveals a wealth of information about human migration patterns, genetic diversity, and disease-related genes.
Psychologists Agneta Herlitz and Jenny Rehnman found significant sex differences in episodic memory, favoring women. Women excel in verbal episodic memory tasks and are better at remembering faces, especially of females.
A new study suggests that drinking fat-free milk may offer protection against hypertension in women. Women who consumed more low-fat milk and had diets higher in calcium and vitamin D from foods tended to have a lower risk for developing high blood pressure.
A NASA study reveals that warming air temperatures are causing the surface of Greenland's massive ice sheet to melt, leading to loss of ice throughout the mass beneath. The team found a strong connection between melting on the surface and ice loss below 6,500 feet in elevation.
Middle-aged women's waistlines have widened in recent years, increasing their stroke risk. The study found that obesity and blood sugar markers are key contributors to this trend, highlighting the need for obesity-curbing efforts.
The Häagen-Dazs brand has gifted a new garden design to Penn State's Harry H. Laidlaw Jr. Honey Bee Research Facility, featuring interconnected gardens and educational spaces. The design aims to provide year-round food sources for honey bees and raise public awareness about their plight.
Scientists at Dana-Farber Cancer Institute have found an alternate pathway to angiogenesis, triggered by PGC-1alpha sensing low oxygen levels. This discovery may offer new opportunities for treating heart and blood vessel diseases.
Researchers at Sainte-Justine Hospital and Université de Montréal have identified the CD36 receptor as the key cause of dry AMD. This discovery brings hope for new therapies to treat the blinding eye disease, which affects 30 million people over 50 worldwide.
Researchers from Boston University School of Medicine found that previtamin D3 production varies depending on skin type and weather conditions. Vitamin D deficiency is common worldwide, with increased risk of cancers and autoimmune diseases associated with higher altitudes.
Studies found that stroke patients who arrive in the emergency department during off-hours, especially on weekends, are more likely to die in the hospital. Hemorrhagic strokes showed a significant increased risk of mortality compared to ischemic strokes.
A new study found that cognitive impairment is decreasing among people aged 70 and older, with better education and financial status being significant contributors. The decline in cognitive impairment may be attributed to improved cardiovascular health, as risk factors like high blood pressure and smoking were more prevalent in the 1990s.
Scientists have discovered a gene expression pathway that exerts a sweeping influence over the process of oxidative stress. This pathway could potentially be manipulated to mitigate damage caused by oxygen and prevent diseases such as heart disease, stroke, and aging.
Researchers have developed a nanotech approach using coated silica particles that can efficiently remove biological molecules, pathogens, and organic pollutants from water. This innovative method could help prevent disease and poisoning for millions of people worldwide.
University of Minnesota researchers have determined the atomic structure of APOBEC3G, a protein that inhibits HIV-1 infection. This discovery will help researchers manipulate the protein to combat HIV and develop methods to neutralize Vif, which triggers the destruction of APOBEC3G.