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.
The study reveals approximately 400 years of intensive land use around Mahendraparvata, with significant changes in water management practices from the 12th century. Soil erosion and vegetation change indicate a marked environmental impact on the Phnom Kulen plateau.
A study of over 2,600 menu items found that full-service restaurants in Philadelphia exceed daily recommended values for calories, fat, and sodium. Nutrition education can help consumers make informed choices, but policy changes are necessary to promote healthier options.
A new study uses GPS traffic maps to identify high-risk areas for leatherback turtles caught in industrial longlines, guiding fisheries towards more sustainable management practices. The research highlights the need for international cooperation and technology-driven solutions to mitigate bycatch risks.
Scientists analyzed volcanic rock samples from Turkey's Hasan Dagi volcano and found ages that overlap with the estimated time of a Çatalhöyük Neolithic site mural. The mural is believed to depict an explosive eruption of the volcano, which closely matches the dated timeline.
A four-year study tracked the migratory patterns of 33 tiger sharks across the Coral Sea. Coastal marine parks offer limited protection to these apex predators, whereas oceanic reefs are crucial for their ecology and require prioritization in conservation efforts.
A £8 million project at the University of Leeds is developing new technologies to handle different types of spent fuels, packaging and storing waste, and dealing with nuclear sludges. The research consortium brings together academics, industry experts, and government advisors to tackle Britain's nuclear legacy.
A recent study found that older firefighters who are chronically exposed to heat stress on the job may be able to tolerate more challenging work environments before feeling affected by the heat. This increased heat resilience could enable them to perform tasks without stopping due to thermal strain, thereby reducing the risk of injurie...
A study by Beth Israel Deaconess Medical Center found that patients' expectations, whether positive, negative, or neutral, significantly influence the effects of both medications and placebos on migraine pain. The researchers discovered that a positive message and powerful medication are essential for effective clinical care.
Researchers at NYU Langone Health discover how RNA polymerase patrols the genome for DNA damage and recruits partners to repair it, leading to fewer mutations and less disease. The study's findings have major implications for our understanding of DNA repair and its role in cancer and aging.
A research team led by Ken Shepard has won a $3 million grant from the US Energy Department's ARPA-E program to develop next-generation power conversion devices. The goal is to lower costs and improve energy efficiency in power electronics, enabling applications like data centers, electric vehicles, and photovoltaics.
The Sandra and Edward Meyer Cancer Center at Weill Cornell Medical College will use precision medicine and cutting-edge approaches to spur breakthroughs in cancer treatment. The center's efforts will be supported by a $75 million gift, which also names the new flagship building.
Researchers from the University of Copenhagen have identified marine bacteria that can effectively inhibit the ability of staphylococci to form toxins and camouflage proteins. These compounds, known as antivirulence therapy, may offer a new solution for treating resistant bacterial infections.
Researchers have sequenced the elephant shark genome, providing new insights into bone formation and adaptive immunity. The study reveals a family of genes essential for bone development and identifies a lack of immune cells in sharks, despite robust immune responses.
Researchers at Queen Mary University of London uncovered a critical mechanism in tendon function, revealing why older individuals are more prone to tendon injuries. The study found that fascicle helices are essential for tendon elasticity and that ageing alters this structure, increasing the risk of injury.
The elephant shark genome reveals insights into bone formation and adaptive immunity in humans, with potential implications for treating bone diseases. The study also found that the elephant shark's immune system is surprisingly robust despite lacking certain cell types.
Researchers have identified a group of bacteria from the genus Burkholderia that can be used to fertilize crops without harming humans. These beneficial strains fix atmospheric nitrogen into ammonia, which helps plants thrive. The discovery has significant implications for sustainable agriculture in less productive areas.
Researchers used data from the Sloan Digital Sky Survey to discover measurable shifts in giant gas clouds around galaxies in a span of just five years. The findings suggest that these clouds are much smaller than previously thought, with implications for how galaxies form and evolve over time.
A new on-field blood test can accurately diagnose sports concussions, distinguishing them from physical exertion. S100B levels rise significantly after a concussion, making it a promising biomarker for head injuries.
A recent study found a strong correlation between literary misery and economic conditions over the past decade. The researchers analyzed millions of books published in English to develop a 'literary misery index,' which reflected the relative abundance of sadness words minus happiness words.
A team of researchers has identified more than 180 species of fish that exhibit biofluorescence, a phenomenon where organisms absorb and emit light of different colors. The study reveals the widespread distribution of biofluorescence across marine fish species, indicating its potential use in communication and mating.
A comprehensive study of over 300,000 births in South Australia found that babies conceived through assisted reproductive therapies had a higher risk of stillbirth, preterm birth, low birth weight, and neonatal death compared to naturally conceived babies. The risks varied depending on the type of assisted conception used.
A recent study published in Human Gene Therapy evaluated the immune response to viral vector delivery systems and their impact on gene therapy's safety and efficacy. The researchers found that the systemic and local immune reactions induced by AAV-based gene therapy did not affect the safety of gene therapy or expression of the replace...
Scientists at MD Anderson Cancer Center discovered that exosomes, tiny particles shed by cancer cells, contain the entire genetic blueprint of cancer cells. This finding could lead to a blood test that detects cancer gene defects and helps physicians treat patients earlier.
Researchers at Ohio State University discovered a seven-gene panel associated with DNA methylation that can identify patients with the best or poorest outcomes in acute myeloid leukemia (AML) treatment. Patients with low scores, indicating few highly expressed genes, had better complete-remission rates and longer survival rates.
Researchers found that younger, less experienced runners are more prone to injuries, while stress fractures are relatively rare. Ultrarunners also showed a high incidence of asthma and allergies, which may be linked to increased outdoor exposure.
A new type of battery that could transform grid-scale energy storage, making power from renewables more economical and reliable. The innovative technology relies on naturally abundant, inexpensive quinone molecules, which are similar to those found in plants and animals.
Researchers at the University of Southern Denmark have developed a new, safer, and noninvasive diagnostic technique for stomach ulcers. The technique makes the ulcer-causing bacteria in the gut light up in fluorescent green, allowing doctors to detect ulcers instantly without taking tissue samples.
Researchers propose an alternative way to allocate science funding by distributing funds collectively among the scientific community. This approach could save time, money, and encourage innovation, while also allowing for more flexible funding and potentially changing publication practices.
Researchers developed a bio-inspired adhesive that rapidly attaches biodegradable patches in a beating heart, addressing drawbacks of previous systems. The adhesive maintains strong sticking power in the presence of blood and remains attached even at increased heart rates and blood pressure.
A recent study published in PLOS ONE found that England's universal healthcare system manages blood pressure more equitably across socioeconomic groups compared to the US. In contrast, wealthier Americans are more likely to meet blood pressure targets than poorer patients.
Researchers have created a technique called PIP-seq to map all interactions between RNA and proteins. The study identifies potential disease-causing genetic mutations in regions of RNAs where RNA-binding proteins bind, providing new insights into neurological diseases like Parkinson's. The data is publicly available online.
Researchers found that mild electronic stimulation therapy to the upper airway during sleep is effective in reducing obstructive sleep apnea (OSA) by restoring muscle tone and preventing tongue collapse. The study's results showed significant improvements in symptoms, quality of life, and daytime sleepiness.
Researchers at Duke University Medical Center found a high presence of bacteria at the site where fetal membranes rupture may be associated with premature water breaking. The study suggests that bacterial presence is linked to thinning of the fetal membranes, which can lead to preterm births.
Researchers from the Baryon Oscillation Spectroscopic Survey (BOSS) have measured galaxy distances over six billion light-years away to an unprecedented one-percent accuracy. This achievement places new constraints on dark energy and provides valuable insights into the mysterious force driving the universe's accelerating expansion.
A study published in PLOS ONE suggests that early hominins like Paranthropus boisei ate a diet of tiger nuts, fruits, and insects, providing enough nutrients for their large brains. The research calculates that a hominin could extract sufficient calories from tiger nuts in just two to three hours per day.
Researchers found that adding half an avocado to a lunch reduced participants' desire to eat by 40% over three hours and increased feelings of satisfaction by 26%, compared to a standard lunch. The study's findings suggest avocados may play a role in blood sugar management, leading to further investigation.
Researchers have created a way to clean dirty banknotes, removing accumulated sebum and motor oil without damaging security features. This process could save nearly $10 billion annually and minimize the environmental impact of currency disposal.
Researchers challenge conventional wisdom that super-Earths are waterworlds, proposing they can have exposed continents and an Earth-like climate. The model suggests most tectonically active super-Earths store water in the mantle, enabling a stable climate.
UCSB psychology professor Brenda Major found that weight-stigmatizing messages can actually lead to increased eating and reduced self-control in overweight women. The study suggests that these messages can exacerbate feelings of helplessness, causing individuals to engage in unhealthy eating habits.
Researchers found that a subset of immune cells expresses the multidrug transporter MDR1 and are linked to inflammation in Crohn's patients. These cells may play a major role in the development of steroid resistance, suggesting that steroid treatment itself may be responsible for their accumulation.
Researchers at Case Comprehensive Cancer Center have identified a microRNA biomarker, miR-181a, that predicts treatment response in ovarian cancer. Elevated levels of miR-181a are associated with chemotherapy resistance and disease progression.
A recent study published in the Journal of Medical Entomology found that bed bug nymphs develop 2.2 days faster when living in groups than as solitary individuals. This significant difference suggests that social interaction plays a key role in accelerating bed bug development.
Researchers analyzed vertebrae from four females and four males in the northwestern Atlantic Ocean, determining ages of up to 40 years for females and 73 years for males. The study used radiocarbon analysis to pinpoint age in the vertebra layers, providing irrefutable evidence of white shark longevity.
Researchers from McGill University have identified two transcription factors controlling the expression of genes involved in GBM tumourigenesis. Impairing these proteins could significantly reduce the ability of brain tumour-initiating cells to give rise to brain tumors.
Research by Smithsonian Tropical Research Institute scientist Benjamin Turner and colleagues reveals that fungi are a key driver of soil carbon storage. Fungi can lead to 70% more carbon in the soil by accessing organic forms of nitrogen, limiting the activity of microorganisms that break down dead organic matter.
A new study by LA BioMed finds that daily antibiotic use is the most effective method for preventing recurrent urinary tract infections, reducing recurrence rates to 0.4 per year. Cranberry pills and estrogen therapy also showed benefits, with acupuncture treatments reducing recurrence rates to 0.7 per year.
Cells lacking negative feedback loops become insensitive to growth stimuli, similar to cancerous cells. Researchers used automated imaging and mathematical analysis to show that mutant cells cannot detect growth factor levels.
A new study found that seniors transitioning from nursing homes to home and community-based care (HCBS) face a 40% greater risk of preventable hospitalizations. The practice resulted in more hospitalizations among seniors dually eligible for Medicaid and Medicare due to inadequate medical support services in community settings.
The FASEB MARC Program has announced the travel award recipients for the APS Professional Skills Training Course, promoting underrepresented minority students and postdoctorates. This year's program conferred $10,800 in awards to support participation of young scientists from diverse backgrounds.
A new method for analyzing biological samples based on their chemical makeup is set to transform the way medical scientists examine diseased tissue. The technology uses mass spectrometry imaging (MSI) to identify tissue types, providing more detailed information than standard histological tests.
A study funded by the International Tree Nut Council found that tree nut intake was significantly associated with lower prevalence of MetS (metabolic syndrome) and obesity. High tree nut consumers had 7% less MetS risk and significantly lower obesity rates compared to low consumers.
In Switzerland, plants have shifted uphill by 8 meters, butterflies by 38 meters, and birds by 42 meters between 2003 and 2010. Climate warming is causing species to adapt at a surprising pace.
A new study published in PLOS ONE reveals that the clymene dolphin, a small marine mammal, arose through natural hybridization between two closely related dolphin species. The research provides insights into the mechanisms of evolution and highlights the importance of continued monitoring for this threatened species.
A major UK-wide study found that controlling blood sugar levels in critically ill children can reduce hospital stay length and save the NHS around £12 million a year. Tight glycaemic control resulted in an average length of hospital stay 13.5 days less for children who had not undergone heart surgery.
Researchers have discovered a novel method of treating traumatic brain injury by stimulating 'caretaker cells' to reduce swelling. The treatment, using compounds like 2-methylthio-ADP and MRS2365, has shown promise in reducing edema and prolonging the life of neurons.
Researchers have developed a novel metal ink made of copper nanosheets that can be used to write functioning, flexible electric circuits on regular printer paper. The ink showed excellent conductivity even after being folded or crumpled 1,000 times.
Giant underwater waves, invisible to the eye, are produced by temperature and salinity differences in ocean water. These internal waves, resembling surface waves in shape, play a key role in mixing ocean waters, driving warm surface waters downward and drawing heat from the atmosphere.
Research reveals Metabotropic Glutamate Receptor 5 (mGluR5) as a potential therapeutic target for treating movement disorders like Huntington's disease. The study found that blocking mGluR5 improved motor behaviors in a mouse model, suggesting its potential for treating Parkinson's disease as well.
A new study published in the Journal of the American Geriatrics Society found that centenarian numbers increased by 72.3% in Ontario over 15 years, with women making up 85.3% of centenarians. The majority lived independently or received publicly funded home care, highlighting the need for tailored health and social care.
Researchers have confirmed the importance of the nociceptin system in modulating the effects of stress. The study found that this system can prevent and even reverse some cellular effects of acute stress in an animal model.
A new study from North Carolina State University reveals that technical 'readability' formulas used by teachers and textbook companies to determine reading difficulty are frequently incorrect. Researchers found that only one formula was accurate more than 49% of the time, highlighting a need for caution when using these metrics.
Researchers found that penguin colonies moved from sea ice to thicker floating ice shelves due to changing environmental conditions. This surprising adaptation may help the species survive, but more research is needed to understand its extent and implications for other penguin populations.
A new study from Johns Hopkins Bloomberg School of Public Health reveals substantial discrepancies among mid-life and late-life adults in reporting past mental health disorders compared to physical disorders. The study found that lifetime estimates of mental disorders ascertained by retrospective versus cumulative evaluations were sign...
Researchers at the University of Pennsylvania have developed a decision-making model that compares and weighs multiple variables to predict the optimal choice. By using this 'predictive advantage index' in personalized medicine, clinicians can make more informed decisions based on a comprehensive analysis of relevant data.
The American Chemical Society's year-in-review issue highlights key developments in organic chemistry, sustainability, and spectroscopy. Researchers made progress in creating biomedical compounds and developing solar-powered sterilizers for safe water and medical instruments.
The study found that cartilaginous fish, including the elephant shark, have slower rates of intron evolution than invertebrates. This suggests a general characteristic of vertebrates and helps clarify relationships between different jawed vertebrate groups. The findings provide unique insights into gnathostome evolution.
Researchers have discovered a new drug delivery system that uses nanotechnology to effectively inhibit the growth of lung and head and neck cancer cells. The study found that nano-luteolin, a water-soluble polymer encapsulated form of the antioxidant luteolin, is highly effective in chemoprevention.
A study found that the European grapevine moth is better adapted to certain French wine-growing regions due to regional differences in grape variety and natural enemies. The research showed a geographical variation in immune defense among wild populations, with larvae from southern areas having higher levels of antimicrobial activity.
Researchers at EPFL have developed a high-efficiency, scalable method for creating solar-powered water splitting devices using molybdenum sulfide and copper(I) oxide. The new catalyst preserves optical transparency, stability under acidic conditions, and reduces maintenance costs.
A new plasma thermogram test has been developed by researchers at the University of Louisville, indicating the presence or absence of cervical cancer. The test measures unique protein signatures in blood plasma, providing a non-invasive alternative to traditional Pap smear screening.