An international team of astronomers has discovered a surprising new class of hypervelocity stars moving fast enough to escape the gravitational grasp of the Milky Way galaxy. The new stars are relatively small and have different ejection mechanisms than previously discovered hypervelocity stars.
Joslin researchers have discovered that the hormone FGF21 stimulates the browning of white fat, leading to improved glucose metabolism and calorie burning. This finding has implications for the development of new medications for type 2 diabetes and obesity.
The cost of university research is rising due to a significant funding gap, making it difficult for institutions to maintain aggressive research agendas. The authors propose exploring external revenue sources and administrative financial support to address this issue.
A new longitudinal study suggests that prenatal exposure to maternal stress hormones and smoking during pregnancy increase the risk of nicotine dependence in daughters, but not sons. The study found that elevated cortisol levels and maternal smoking were associated with increased rates of nicotine dependence in female offspring.
Scientists have found a way to regrow dendrites, the branch-like structures of neurons that receive information from the brain, independently of axon regeneration. This discovery has significant implications for treating conditions like stroke, where damaged dendrites can only be repaired if blood loss is brief.
Researchers discover a molecule that causes atherosclerosis also activates white blood cells called T cells in mice, worsening autoimmune disease symptoms. This finding sheds light on the link between autoimmunity and atherosclerosis, potentially leading to improved treatments.
Researchers developed a nomogram to predict likelihood of overdiagnosis based on age, PSA level, and Gleason score. The tool aims to help patients and clinicians make informed decisions about treatment options.
Engineered anti-toxin antibodies have been shown to increase toxin neutralization activity by enhancing the interaction between toxins and Fc receptors on immune cells, improving protection against anthrax toxin. Additionally, prenatal retinoid deficiency has been linked to airway hyperresponsiveness in adult mice, highlighting the imp...
Wolfgang Peti, a Brown University biochemist, has received a $1.625-million New to Diabetes Research Accelerator Award to tackle type 2 diabetes. He aims to develop medicines that improve on the status quo, potentially making insulin injections unnecessary.
A new approach targeting persistent HIV-infected cells could complement antiretroviral therapy to achieve sustained disease remission. The immunotoxin 3B3-PE38 significantly reduced the number of infected cells and viral load in a mouse model.
The study pioneers a new approach to forming a 2-D, single-atom sheet of two different materials with a seamless boundary. By rethinking traditional methods, researchers combined graphene and boron nitride into a single layer only one atom thick.
A new intranasal vaccine against pertussis has been successfully tested in humans, inducing an immune response that lasted for at least 6 months. The vaccine was found to be safe and effective, with no adverse events reported even at the high dose.
Researchers have developed a powerful technique to visualize the shape and motion of RNA at the atomic level using nuclear magnetic resonance spectroscopy (NMR). This allows for better understanding of RNA's structure and function, which can lead to the development of new drugs for diseases with genetic bases such as cancer.
A Russian research team studied the link between genetic shifts and antigenic drift in influenza viruses. They found that reassortments lead to increased rates of point mutations, which can result in highly virulent strains. This study may aid in predicting future flu outbreaks.
Prenatal retinoid deficiency linked to airway hyperresponsiveness in adult mice, affecting proper airway development and inflammatory responses. Retinoid signaling plays crucial role in preventing inappropriate pulmonary inflammation.
The study highlights the ecological benefits of large carnivores, including controlling herbivores, mitigating global warming, and enhancing biodiversity. Without these species, ecosystems may collapse, leading to reduced plant diversity, biomass, and productivity, as well as increased greenhouse gas emissions.
Denise R. Simmons, a Virginia Tech professor, received an NSF CAREER award to study factors influencing engineering students' co-curricular involvement and workforce entry. Her goal is to broaden participation in engineering degrees and increase the number of engineers entering the technological workforce.
A study by the University of Toronto's Rotman School of Management found that transformational leaders can curb cynicism and improve employee commitment to change. Correctional officers who worked for 'transformational' leaders showed reduced cynicism and higher levels of individual commitment towards change.
A new study found that acute otitis media, or ear infection, is associated with significant increases in direct costs incurred by consumers and the health care system. The research showed that pediatric AOM accounts for approximately $2.88 billion in added health care expenses annually.
A new study by Dr. Mark Reiff suggests a radical approach to funding public higher education: students pay a fixed percentage of their income after graduation, while investors receive a share of the cohort's average income. This system, called 'education securities,' could provide affordable education for all and relieve governments of...
The Hubble Space Telescope has revealed a glittering treasure trove of more than 800,000 stars and protostars embedded inside the Tarantula Nebula. The observations were obtained as part of the Hubble Tarantula Treasury Program, which will produce a large catalog of stellar properties.
Researchers at Harvard University have created a new method to control cells after transplantation, allowing for more efficient cell therapies. By engineering cells with microparticles that provide cues for behavior, the team can track cells, control stem cell differentiation, and change cell interactions with immune cells.
Researchers developed a test to predict early onset of heart attacks by identifying circulating endothelial cells (CECs) in the blood. The technique has been successful in distinguishing patients undergoing treatment for a recent heart attack with healthy controls.
The study reveals that E6AP is composed of three distinct protein molecules, controlling nerve cell function and viral replication. This breakthrough provides potential drug targets for autism and cervical cancer treatment.
Perphenazine, a 50-year-old antipsychotic medication, has been found to actively combat cells of difficult-to-treat acute lymphoblastic leukemia (ALL) by turning on the cancer-suppressing enzyme PP2A.
An innovative device evaluates spinal movement, reducing X-ray testing and potential healthcare costs. The electrogoniometer measures three-dimensional spinal movement, allowing for earlier patient recovery and cost savings.
Researchers identified a key molecule facilitating transport of protein from neuron cell body to axon, enabling electrical impulses. This discovery could help explain neurological disorders linked to malfunctioning or degenerated axons.
Researchers at The Rockefeller University demonstrate that engineering Fc domains of anti-toxin antibodies enhances toxin neutralization activity. Mice expressing humanized FcR were better protected from anthrax toxin when given engineered anti-anthrax toxin antibodies.
Researchers successfully transplanted skin-derived stem cells into collagen tubes to bridge gaps in injured nerves, resulting in functional recovery and saving the upper arms from amputation. The study provides a promising new avenue for treating peripheral nerve injuries.
A single low dose of lithium helped restore kidney function in mice with acute kidney injury, suggesting a potential therapeutic application for the mood stabilizer. Acute kidney injury is a serious complication affecting hospitalized patients, with limited treatment options.
A study found that testosterone use has increased sharply among older men in the US and UK, with many having normal testosterone levels and non-specific symptoms. The Endocrine Society's guidelines recommend a clinical diagnosis of low testosterone only for men with consistent symptoms and unequivocally low hormone levels.
Researchers at Massachusetts General Hospital have developed a procedure to induce immune tolerance to hand and face transplants, which could free recipients from lifelong immunosuppression. The study successfully tested this approach in miniature swine, paving the way for expanded availability of these complex transplants.
New measurements of mass reveal that planets smaller than Neptune have low density due to extensive gas coverage, while larger ones have higher density. This suggests these planets formed quickly after their star's birth, contrasting with Earth's late formation.
Researchers analyzed data from 294 participants with HIV and injection drug use history to identify risk factors for non-fatal overdoses. Injection frequency and anti-retroviral therapy were found to be associated with a higher risk of non-fatal overdose within the previous three months.
Increased tourism has led to a 70% decrease in mollusk shells during the tourist season and a 60% decrease in other months. Shell removal can cause significant damage to natural ecosystems and organisms that rely on shells.
A study by UPV/EHU links high dietary fat content with increased abdominal fat in adolescents, regardless of physical activity levels. The findings highlight the importance of monitoring dietary fat intake for preventing obesity and related health issues in this vulnerable age group.
Researchers at Lund University analyzed pigment in three multi-million-year-old marine reptiles, discovering they were dark-coloured in life. This finding likely aided thermoregulation and camouflage.
Researchers at Roche have successfully developed a new technology called Brain Shuttle that efficiently transports investigational antibodies into the brain in preclinical models of Alzheimer's disease. The technology increased target engagement by over 50-fold compared to parent antibodies.
Researchers have found that infusing patients with their own bone-marrow stromal cells may lead to improved cure rates for multi-drug resistant tuberculosis. The study showed 16 patients treated with MSCs were deemed cured at 18 months compared to only 5 without MSC treatment.
A study found that African vultures focus on areas with high prey mortality, rather than abundance, to locate food sources. Vultures travel vast distances throughout the year in search of food, covering regions larger than New Jersey and New York State combined.
A new device called Inspire Upper Airway Stimulation (UAS) therapy has been shown to significantly reduce obstructive sleep apnea (OSA) episodes by approximately 70 percent in patients. The device targets the muscle tone of the throat, leading to improved control of breathing and reduced daytime fatigue.
Engineers from Stanford and UNL collaborated to produce the world's fastest thin-film organic transistors, outperforming previous examples by over five times. The breakthrough could lead to inexpensive, high-performance electronics built on transparent substrates.
The Baryon Oscillation Spectroscopic Survey (BOSS) has made the most precise calibration yet of the universe's 'standard ruler', measuring its scale to an accuracy of one percent. This precision is crucial for determining the nature of dark energy and understanding the expansion history of the universe.
Researchers at Hebrew University find that chronic stress activates microglia cells, leading to depressive-like behavior and reduced neurogenesis. Blocking or stimulating microglia cells with specific drugs can reverse these effects, offering new avenues for antidepressant treatment.
A large Danish study found that anticoagulant medicine significantly reduces the risk of serious brain damage or death due to a stroke in patients with atrial fibrillation. The study, which followed over 11,000 patients, also showed that mortality within 30 days is lower for those receiving treatment.
Scientists have identified fourteen genes that may be implicated in Alzheimer's disease and one gene that shows inflammation plays a crucial role in the brain of Alzheimer's patients. The study provides new insight into the cause of the disease, offering potential targets for drug discovery.
A new study has found that levetiracetam does not appear to be associated with thinking, movement, and language problems in preschool children born to mothers who took the drug during pregnancy. In contrast, valproate was linked to some difficulties in preschoolers.
Researchers at McMaster University have mapped the entire genome of a nearly 200-year-old sample of preserved intestine, tracing the bacterium behind a global cholera pandemic. The findings reveal that the classical strain was likely responsible for five devastating outbreaks in the 1800s and may have been more virulent.
Nine-month-old infants can infer whether people are friends or not based on their reactions to shared evaluations, such as eating the same food. This suggests that infants track social relationships from an early age and make inferences about others' behavior.
Researchers at Tel Aviv University found that socioeconomic status is a strong predictor of higher risk of disease and death after a heart attack. Poor patients are more likely to become frail, have lower socioeconomic status, and experience poorer access to healthcare.
The European Society of Cardiology recommends reducing patient radiation exposure in cardiology procedures, which amount to over 50 chest X-rays per person each year. This can be achieved by implementing measures such as auditing and optimizing doses, educating patients, and encouraging industry competition.
A newly discovered celestial object, ROXs 42Bb, located nine times the mass of Jupiter and 30 times further away from its star than Jupiter, defies easy categorization as a planet or brown dwarf. This finding blurs the distinction between planets and brown dwarfs, prompting researchers to re-examine formation theories.
A new study found that bed bug infestations in Philadelphia increased by 4.5% per month from 2008 to 2011, with reports peaking in August and lowest in February. The researchers mapped hotspots and suggest treating during warmer months or winter when numbers are down.
Symbiotic fungi in plant roots store and release carbon, with certain types leading to 70% more carbon storage. This discovery challenges current understanding of soil carbon pools and their impact on climate predictions.
Researchers found that competition between corals and seaweeds leads to an increase in toxic compounds in seaweeds, making them more attractive to herbivorous fish. This response is a first demonstration of how seaweeds can adapt their chemical defenses in response to competition with corals.
Researchers have sequenced and analyzed the elephant shark genome, comparing it with human and other vertebrate genomes. The study found that sharks lack certain types of immune cells and exhibit robust immune defences despite this, and also revealed why cartilage prevails in their skeleton over bone.
Researchers at TUM discovered that carbon binds to small mineral particles with rough surfaces, leading to preferential spots for sequestration. The study used a mass spectrometer to visualize and compare soil structures, revealing areas with high carbon content.
A new study suggests that adult white sharks in the Northwest Atlantic Ocean may live for up to 70 years or longer. Researchers used radiocarbon dating to determine age estimates and found that growth rates slow down as sharks age, leading to underestimated ages.
The Lancet research series aims to increase value and reduce waste in biomedical research by setting clear priorities, improving research design and conduct, and enhancing regulation and management. The series proposes metrics for stakeholders to monitor the implementation of recommendations.
Scientists have developed a new technique to visualize the silencing of one X chromosome in females, revealing wide-ranging variation in patterns across tissues and individuals. The study's findings offer insights into genetic diversity and disease causes, particularly for X-linked variations like hemophilia and color blindness.