Scientists have discovered that sea urchins extract calcium ions from seawater through a process where they drink in water and manipulate the ions within their cells. This method is more energy efficient than previously thought, but presents new challenges for understanding how these cells concentrate and expel ions.
Researchers explored genetic similarity between spouses from three generations of white people in the Framingham Heart Study. They found that individuals preferred spouses with the same ancestry, but this preference decreased over time, resulting in a more genetically diverse population.
A clinical trial found that twice-weekly yoga led to better physical, sexual, emotional, and social health in men with prostate cancer. Patients who practiced yoga reported lower fatigue and improved urinary function compared to those without yoga.
Researchers found that bacteria face with limited nutrients will enter an elegant timesharing strategy, alternating feeding periods to reduce competition. The study reveals that structured communities of bacteria use electrical signals to coordinate behaviors and optimize resource utilization.
A new study by NYU Steinhardt School found that over 60% of the racial gap in college completion rates can be attributed to pre-college factors. The study analyzed data from kindergarten to college completion for Texas students and found that poverty and academic preparation were key drivers of the achievement gap between Hispanic and ...
Researchers found that warmer temperatures led to the extinction of smaller springtail species, while larger species survived due to their ability to adapt and escape predators. This study highlights the complex interactions between species under climate change conditions.
Researchers at Linköping University developed a non-invasive magnetic resonance spectroscopy test to diagnose fatty liver disease. The new method can detect liver damage with as little as 3% fat content, increasing sensitivity and accuracy.
Cyclone 14P is being blown apart by strong westerly wind shear, weakening its maximum sustained winds and pushing strongest storms east of the center. Infrared light imagery from NASA's Aqua satellite reveals cloud top temperatures as cold as minus 63 degrees Fahrenheit.
Researchers identify that cardiac muscle cells both destroy and create new mitochondria in response to ischemia/reperfusion injury, which can cause long-term effects or fatal heart failure. This discovery may lead to the development of new treatments to speed up healing from open-heart surgery.
The Hubble Space Telescope captured the largest planet in our solar system, Jupiter, at unprecedented resolution. The telescope revealed exquisite details in Jupiter's atmosphere, including small-scale storm systems and wind patterns that reach speeds of up to 400 miles per hour.
The eastern Arctic Ocean is exhibiting vertical mixing similar to the Atlantic Ocean, leading to record-breaking losses of sea ice in summers. The changes have substantial impacts on the Arctic Ocean system, including enhanced atmosphere-ocean interactions and altered freshwater storage patterns.
A large clinical trial is being conducted to identify the most promising Ebola vaccination regimens to protect people from the disease. The PREVAC trial will enroll over 5,000 adults and children in Guinea, Liberia, and Sierra Leone to evaluate three experimental vaccine strategies.
Scientists reconstruct past climate records from Tibetan Plateau sediment samples, revealing a greater than 6 million year earlier onset of 100,000 year climate cycles. The findings suggest that Antarctic ice sheet fluctuations in the late Miocene exerted dominant control on these cycles.
Researchers have developed a way to deliver drugs to specific types of neurons in the brain, allowing for more precise study and treatment of neurological diseases. The new method, DART, reveals how movement difficulties in Parkinson's Disease are controlled by the AMPA receptor, offering a new approach to treating the disease.
A study from the University of Vermont found that imitating old-growth forests enhances carbon storage in managed forestland. The new technique, called structural complexity enhancement, showed higher levels of carbon storage than conventional forestry methods.
A new study suggests that brain inflammation and cognitive decline following surgery are triggered by the brain's own microglia. In a mouse model, experimental oral drug depletion of microglia ahead of surgery prevented memory loss and reduced inflammatory molecules in the hippocampus.
Researchers at Saarland University create a flexible, ultra-thin superconducting film with potential applications in space technology and medical devices. The material can screen electromagnetic fields and levitate magnets, making it ideal for applications where weight is an issue.
The Trump administration can fundamentally transform a fragmented and expensive healthcare system by putting patients first. Dr. Stephen K. Klasko offers 12 recommendations for true transformation, urging the president to embrace change.
Researchers have developed a new collection of induced pluripotent stem cells (iPSCs) to study human genetic variation. The iPSCORE collection includes 222 iPSC lines from diverse ethnic groups, enabling researchers to investigate the segregation of traits and their molecular mechanisms.
Researchers found that the prefrontal cortex teaches the hippocampus to differentiate goal-related memories, enabling rapid integration of memories with goals. This cognitive flexibility is disrupted in neuropsychiatric conditions like schizophrenia and depression.
Lenvio Inc. has exclusively licensed Hyperion, a malware behavior detection technology from Oak Ridge National Laboratory (ORNL), to quickly identify malicious software behavior. This technology improves upon traditional signature detection methods, providing a new class of cyber protection against large-scale cybersecurity threats.
Scientists have identified a molecular switch that converts skin cells into cells making up blood vessels, which could be used to repair damaged vessels in patients with heart disease. The technique boosts levels of an enzyme that keeps cells young and may circumvent the usual aging that cells undergo during culturing.
Scientists have discovered that the 3D organisation of the genome arises when the first zygotic genes are transcribed, and these boundaries are maintained throughout development. This finding helps explain why the TAD organisation of genomes is similar across tissue types and evolutionary conserved regions between species.
A new database of plant metabolites and computer tool have been developed to identify healthful antioxidants in tomato skins. The researchers found that valuable substances produced by exotic plants may be derived from more common species, and these findings suggest a broader range of potential uses for plant metabolism.
Researchers discovered that memories are formed simultaneously in the hippocampus and long-term storage location in the cortex. Traces of memories remain in the hippocampus for two weeks before becoming mature, challenging standard models of memory consolidation.
Case Western Reserve University researchers aim to combat chronic inflammation by targeting oral complications in HIV patients, which can lead to malnourishment and further weaken the immune system. The team will investigate regulatory T-cells and study tissues from HIV-positive patients taking common antiretroviral drugs.
A study by Cincinnati Children's Hospital Medical Center and San Diego State University found that children carry high levels of nicotine on their hands even when no one is actively smoking around them. This exposure is associated with various health problems, including respiratory issues and asthma attacks.
The USDA is providing $18 million in funding to support 19 historically black land-grant colleges and universities, aiming to enhance their research, teaching, and extension programs. This investment will benefit students, professors, and institutions, with a focus on addressing nutritional security challenges and fostering a strong ag...
A Brazilian research team developed an optomechanical device that boosts the coupling between light waves and mechanical waves to higher levels than similar devices. This enables the creation of highly customizable sensors for detecting force and motion, as well as potential applications in telecommunications as optical modulators.
Metabolic syndrome is a cluster of risk factors including abdominal obesity, high triglycerides, and insulin resistance, increasing the risk of type 2 diabetes. Overweight and obesity contribute to metabolic syndrome, affecting 1 in 3 adults and 40% of adults aged 40 and older
A longitudinal study of 96 children found that high-quality early education improves social skills, employment status, and parent-child relationships. The treatment group showed significant advantages in middle age, with improved family bonds, assets, and a greater sense of social equality.
New research reveals teachers are leaving due to oppressive policies and practices affecting their working conditions. The studies suggest a move away from standardized testing and towards supporting students' needs.
Salk scientists have discovered a chemical cocktail that enables cultured mouse and human stem cells to generate both embryonic and extra-embryonic tissues. This breakthrough could lead to better disease modeling, drug discovery, and tissue regeneration, particularly in the field of organ regeneration.
Research reveals that honey bees can see objects as small as 1.9°, 30% better than previously recorded, and detect smaller details, improving navigation and survival. This discovery has implications for understanding insect vision and could aid in designing bio-inspired robotics.
The Society of Nuclear Medicine and Molecular Imaging has published appropriate use criteria (AUC) for bone scintigraphy in patients with prostate or breast cancer. The new AUC aim to improve healthcare outcomes by making the use of bone scintigraphy more consistent and reducing unnecessary imaging costs.
The study identifies variables that attract and repel young Spanish researchers, highlighting the importance of social capabilities in retaining scientists. Attracting researchers involves differential advantages such as research career, training, funding, and institutional prestige, while retention focuses on social factors like work ...
A study reveals that Bifidobacterium longum has adapted to the infant gut by producing an enzyme called LnbX, which enables growth on a sugar abundant in human milk. This adaptation suggests a possible evolutionary route for the breast milk-driven symbiosis between gut microbes and humans.
Researchers at Florida State University discovered that adopting a 'code of the street' culture can increase arrest and conviction rates. They found that individuals who adhere to this code are disproportionately more likely to be arrested and convicted, even after controlling for factors like poverty and unemployment.
Researchers investigate factors driving violent extremism, including community resilience and psychological constructs like humiliation, to better understand why some with radical views become terrorists. They also examine methods for assessing risk and preventing radicalization.
A recent review suggests that a family history of prostate cancer does not increase the risk of more aggressive cancer progression. Men with a family history should discuss risks and options with their doctor, and further research is needed to confirm these findings, particularly among African American men.
The article highlights the link between diabetes and depression, as well as the importance of assessing psychosocial stresses in diabetes management. It also discusses the management goals for patients who engage in self-harming or suicidal behavior, emphasizing the need for frequent glycemic monitoring and a multi-disciplinary approach.
The Austen Riggs Center has received a major grant from the John Leopold Weil and Geraldine Rickard Weil Memorial Charitable Foundation to support its Human Development Initiative. The initiative aims to provide community-based preventive care for infant, child, and family mental health in Berkshire County.
Researchers found that cardiac glycosides, a class of heart failure drugs, can reduce LDL cholesterol levels in patients who don't respond to statins. The study used liver-like cells generated from patient stem cells and showed significant reductions in ApoB levels, indicating potential for a new treatment option.
A study on reduced radiotherapy in young children with brain tumors found that deviations from the treatment protocol led to poorer outcomes. Children who received radiation therapy according to protocol had improved overall survival rates.
Scientists at Lund University have developed a new understanding of how human blood cells form during embryonic development, showing that endothelial cells undergo dramatic changes to become blood cells. The research provides critical insights into the origins of blood and its regulation in development.
Researchers at Duke University have developed a sensor that detects specific wavelengths of electromagnetic energy using gold-plated crystals. The technology outperforms existing detectors in size, weight, power, speed and cost, making it ideal for detecting methane or natural gas leaks, monitoring crop health and recycling plastics.
A new study suggests that human activity is driving the spread of honey bee pathogens, leading to colony losses. The research argues for collective actions to mitigate this issue, including stronger regulations and increased education among beekeepers.
Researchers have designed a porous material inspired by leaf veins that improves rechargeable battery performance and gas sensing. The material enhances the charge and discharge process, reducing stresses and increasing battery life by up to 25 times.
Researchers found that aneuploidy, a condition causing abnormal chromosome numbers, can lead to varying outcomes in genetically identical cells. The study's findings have significant implications for cancer treatment, as it may explain why some cancer cells respond differently to therapy.
A study developed the Historic Book Odour Wheel to document the aromas associated with old books. Visitors to libraries described the smell as 'woody', 'smoky', and 'earthy'. The wheel combines chemical descriptions with sensory inputs, providing a tool for conservators and heritage management.
The American College of Surgeons has published comprehensive hospital-level surgical care standards for older adults, reflecting a shift toward interdisciplinary care. The new standards aim to improve the quality of geriatric surgery by addressing physiological changes related to aging and chronic diseases.
Dr. Debabrata Mukherjee advises against bioresorbable stents due to their high cost, longer insertion time, and lack of improved results compared to conventional drug-eluting stents. The recent clinical trial results show a higher risk of device thrombosis with Absorb stents.
Researchers at Washington State University have made a breakthrough in preserving sperm stem cells, which could improve fertility for boys undergoing cancer treatment. The new technology has shown an eight-fold improvement in viable sperm stem cells, allowing for potential long-term preservation and return to fertility.
A group of giant viruses, called Klosneuviruses, were identified as acquiring components from many other viruses and proteins in an evolutionarily recent timeframe. The analysis suggests that these whopper viruses did not evolve from a cellular ancestor but rather are derived from a much smaller virus through extensive gene gain.
Research from Florida State University found that girls rate their math abilities lower than boys, even when scores are equal. The study suggests perception gaps in challenging mathematics contexts impact girls' confidence and subsequent career choices in STEM fields.
Researchers found that bacteria in two separate populations can synchronize their oscillations to coordinate nutrient sharing, promoting growth. This communication strategy is similar to engineered systems and allows each community to take turns consuming limited resources, leading to a faster average growth rate.
A recent study has identified a gene mutation as the cause of delayed sleep phase disorder (DSPD), a common sleep disorder affecting up to 10% of the public. The CRY1 protein plays a crucial role in regulating the circadian clock, and a single-point mutation can lead to prolonged sleep onset times and irregular sleep patterns.
Researchers found that cephalopods use RNA editing extensively, with over half of their transcribed genes being edited. This process has profoundly constrained the evolution of the cephalopod genome.
The National Science Foundation has awarded 156 early career engineers with a total of $78 million in grants, covering fields like smart materials, advanced robotics, and secure communications. These awardees will conduct five-year research projects and are expected to make significant advances in their respective areas.
A collaborative effort analyzed iPS cells to understand how individual mutations contribute to polygenetic diseases, revealing that smaller collections of cells can produce results and identifying small changes in gene expression with dramatic effects on cells. The study also found that some effects manifest before cell differentiation.
A systematic analysis of chemokine interactions reveals two structural types with different functional effects on inflammation. The study identifies potential therapeutic targets using specially designed peptides that selectively inhibit atherosclerosis and acute inflammation.
A new study finds that climate change will lead to a significant increase in severe turbulence, with some flights experiencing turbulent conditions twice as often as currently. The research suggests that the average amount of light turbulence will rise by 59% and moderate turbulence by 94%.
A new study suggests that cephalopods, such as octopus and squid, have evolved prolific RNA editing to enable complex behaviors. This mechanism comes at the cost of reduced genomic DNA evolution, with a trade-off between the two processes observed in these animals.
A recent study found that women with overactive bladder who received antimuscarinics were 38% more likely to develop depressive disorder within three years. The use of these drugs was associated with an increased risk of depression, highlighting the need for careful monitoring and consideration of alternative treatment options.
Researchers developed a new technology using nanopowders to modify aluminum alloys, improving operational properties and reducing energy costs. The innovative method has the potential to transform the metallurgy industry, with key customers including major producers of primary aluminum.
Researchers found geochemical anomalies, known as 'fingerprints' of early Earth conditions, in young volcanic rocks from Hawaii and Samoa. These signatures suggest that the planet's interior may not be well mixed after all.
Researchers found that bat ear movements can pack extra information into ultrasonic pulses, improving echolocation accuracy. Combining data from different configurations increased a sensor's ability to localize sound waves by a factor of 100 to 1000.
Researchers found that athletes with favorable genetic profiles have lower levels of muscle damage and fatigue during marathons. The study's findings open the door for personalized training based on an individual's genetic makeup.
Researchers at Rice University engineered bacteria capable of sensing colitis in mice, detecting elevated thiosulfate levels and finding a potential biomarker for human colitis. The breakthrough could lead to orally ingestible bacteria for monitoring gut health and disease.
A new group of giant viruses, dubbed Klosneuviruses, has been discovered with a more complete set of translation machinery genes than any other virus known to date. These viruses are thought to have evolved from smaller viruses and encode proteins involved in protein biosynthesis, expanding our understanding of viral evolution.
The US healthcare system is exacerbating growing health inequalities fueled by structural racism, mass incarceration, and the widening income gap. The richest 1% of Americans live 10-15 years longer than the poorest 1%, with low-income Americans being left further behind.
A new study provides quantitative measurements to help guide clinicians in counseling patients seeking lip augmentation. The research found that there is no single fixed guideline for predicting subjective perception of lips, highlighting the importance of personalized consultation.
A study published in JAMA Oncology analyzes 18 years of data on Oregon's Death with Dignity Act, revealing that 64% of patients who used the law ingested the medication and died. The majority of users were older white men with college education, and cancer was the underlying terminal illness for 77% of cases.
Researchers capture snapshots of electronic structure during a transient state of a reaction using femtosecond pulses of X-ray light on a tabletop apparatus. The study provides insights into the ring-opening reactions of cyclic molecules, relevant to photobiological synthesis and optoelectronic technologies.
A team of researchers identified a genetic mutation responsible for an adult's rare and severe immune system disorder. They developed a molecular therapy using Morpholino Antisense Oligonucleotide that corrected the mutation and allowed the patient's immune system to function properly.
A University of Alberta study found that babies from pet households had higher levels of microbes linked to lower allergy and obesity risks. Exposure to pets in the womb or after birth increased abundance of bacteria Ruminococcus and Oscillospira, which have been linked to reduced childhood allergies and obesity.
A new research initiative aims to reduce HIV infection and transmission by providing job readiness and employment skills to young men who have sex with men and young transgender women. The project, funded by the NIH, will explore how economic stability can prevent adolescent homelessness, drug use, and migration to high-risk environments.
Researchers at EPFL's Environmental Remote Sensing Laboratory developed an algorithm to classify six different classes of snowflakes, improving precipitation measurement and forecast accuracy. The study used high-resolution images of snowflakes taken from three angles and analyzed their shape, geometry, and electromagnetic properties.
A recent study published in PLOS Pathogens found that lactate produced in the upper throat can initiate the dispersal of Neisseria meningitidis microcolonies, allowing the bacteria to invade the body and cause meningitis. The researchers suggest that high concentrations of lactate serve as a signaling molecule for bacterial dispersal.
The USDA's National Institute of Food and Agriculture is providing $4.2 million to repay veterinary school loans for eligible veterinarians who serve in areas with a shortage of veterinary resources. This assistance aims to retain veterinarians in rural America, where they can provide essential services to farmers and ranchers.
Arbuscular mycorrhizal fungi can obtain lipids from their host plants, which are essential for their growth and reproduction. This discovery highlights the importance of lipid transfer in these symbiotic relationships, suggesting that AM fungi depend on their hosts for survival and nutrient uptake.
Researchers discovered that viral infections can break oral tolerance to dietary antigens, leading to celiac disease. The study highlights the previously unexplored connection between viral infection and immune responses in mice.
Researchers have developed a new technique that allows for precise mapping of cellular signaling networks involved in human biology and disease. This breakthrough opens up exciting avenues for understanding and treating psychiatric diseases, including opioid addiction.
Research suggests that low urine ammonium excretion may identify individuals with chronic kidney disease at high risk of progression or death. Low ammonium levels also predict increased risk of developing acidosis and a higher mortality rate.
Researchers at Rockefeller University discovered a genetic mutation in the CRY1 gene that slows the internal biological clock, causing delayed sleep phase disorder. The mutation affects up to 1 in 75 people and can be present in families, with relatives sharing similar signs of persistent sleep problems.
Tropical Cyclone 15S has the capability to produce heavy rainfall due to its extremely low cloud top temperatures, detected by NASA's Aqua satellite. The storm is forecasted to dissipate in three days, but will continue tracking south-southwestward around an elongated area of subtropical high pressure.
Researchers found evidence of long-lasting engram cells in the frontal part of the brain, which mature as new memories become permanent. These cells were activated naturally only after weeks of conditioning, suggesting a maturation process that requires input from hippocampal engram cells.
A recent study found that a specific wave pattern in the upper atmosphere, called wavenumber-5, is associated with California's droughts and floods. The wave pattern emerges during the northern winter and can lead to persistent extreme events like heat waves, droughts, and floods. Scientists hope that this new understanding of wavenumb...
A new article evaluates the Oregon Death with Dignity Act, finding 64% of patients who used lethal medication had cancer. The study also reveals an increase in prescriptions written annually from 24 to 218 between 1998 and 2015.
A recent study has uncovered the ancestral origins of Sardinian populations, revealing a high percentage of unique genetic signatures. The research team analyzed DNA samples from modern Sardinians and ancient skeletal remains, finding that 78.4% of modern mitogenomes cluster into 'Sardinian-specific haplogroups'.
The pivotal MOMENTUM 3 trial found that patients with the new HeartMate 3 LVAS experienced fewer adverse clotting and bleeding events than those with the control device, HeartMate II. The study also developed a novel scoring system to quantify these events.
A recent study by Michigan State University researchers found nearly 1,800 large data breaches in patient information over a seven-year period. Hospitals were responsible for most of these breaches, which highlights the need for increased data protection in the healthcare industry.
Researchers at AMBER Centre have fabricated the first printed transistors consisting entirely of 2-dimensional nanomaterials, opening the path for industry to cheaply print electronic devices. The breakthrough could unlock applications such as smart food packaging and labels, and even window panes displaying weather forecasts.
A new study links common reovirus infection with the development of celiac disease, an autoimmune disorder caused by an improper immune response to gluten. Reovirus-induced immune responses can lead to the loss of oral tolerance to gluten, setting the stage for celiac disease.
Scientists have discovered that cancer can commandeers immature immune cells, called MDSCs, to facilitate its spread. MDSCs are normally part of the immune system's anti-tumor response but, under the influence of tumor-secreted cytokines, they can help tumors grow and metastasize.
The European Research Council awards €2.4M to Thomas Sunn Pedersen for creating the world's first matter-antimatter plasma. The plasma is expected to exhibit extraordinary properties and may reveal new discoveries in astrophysics.
Researchers will create a software program that integrates MRI scans with navigational systems to build personalized 3-D maps of brain functions and anatomy.
Researchers identified urinary biomarkers that distinguish between children with Down syndrome who have and don't have obstructive sleep apnea. The study found significant differences in biomarker signatures between all participants with Down syndrome and typically developing children, regardless of OSA presence or absence.
Researchers investigate how wall materials and structures impact secondary electron emission, which can affect plasma confinement and efficiency. They find that lithium oxide linings release more secondary electrons than other materials, highlighting the need to account for reactivity in fusion models.
Researchers used financial math models to accurately predict changes in HIV surface proteins over 30 years. By analyzing structural properties and 'volatility,' they can design vaccines that match the virus's evolving targets.
The American Society of Hematology has awarded $150,000 in Bridge Grants to five researchers to sustain their hematologic research proposals. The grants will help preserve programs at institutions across the US and encourage the retention of promising researchers in uncertain NIH funding environments.
The Endocrine Society has issued a statement advising healthcare providers on how to spot hormonal causes of high blood pressure that can be cured with surgery or treated effectively with medication. Screening for underlying conditions is crucial to prevent cardiovascular disease, renal disease, and even death.
Rutgers scientists determine the structure of tuberculosis drug target Mtb RNA polymerase and discover a new class of compounds, Na-aroyl-N-aryl-phenylalanamides (AAPs), that potently inhibit it. The findings reveal potential for developing improved anti-tuberculosis drugs.
A new study published in the Journal of Nutrition Education and Behavior found that there are areas of convergence between parents, children, and restaurant executives regarding healthy meal choices. Common ground includes the importance of taste and familiarity, which can inform efforts to promote healthier options.
The next generation TimeTree web combines molecular sequencing data with geological timelines and environmental information. Users can now explore the history of life on Earth in detail, tracing species evolution through time and comparing divergence times between species.