A study of 500 children with chronic kidney disease found that two-thirds were deficient in vitamin D. Children who took vitamin D supplements had significantly higher levels and a lower risk of deficiency, highlighting the importance of supplementation practices.
Researchers developed a model to analyze online support for ISIS, identifying key behavioral patterns and predicting the onset of major violent events. The study found that pro-ISIS groups can adapt and regroup under different names, making them challenging to track.
The second detection of gravitational waves from merging black holes is a significant milestone in the development of physics. Scientists have found that the observed gravity waves were generated by two black holes with masses of 14 and 8 solar masses, which merged to form a single rotating black hole.
Professor Susan Landau argues the FBI's approach is outdated and needs investment in '21st century investigative savvy' to secure smartphones. The agency must invest in building up its technical understanding to conduct modern cyber investigations.
Researchers at the University of Utah have discovered that vocal cords can be stretched and stiffened to predict an animal's pitch range, revealing evolutionary roots of voice. The study suggests that singers can increase their ranges by stretching their vocal cords or engaging in exercises that affect fiber spacing and cord stiffness.
Youth transitioning out of foster care face elevated risks of homelessness and poverty due to lack of family support. A study found that former foster youth struggle with low wages, irregular hours, and limited access to financial opportunities.
Researchers found that mosquito saliva increases endothelial permeability, enhances immune cell migration, and promotes the spread of dengue virus during antibody-dependent enhancement. This study suggests a critical role of mosquito saliva in exacerbating dengue disease severity.
Scientists observed gravitational waves for the second time, produced during the merger of two black holes. The detection was made possible by the enhanced capabilities of Advanced LIGO and Virgo detectors.
A study published in PLOS NTDs examined the immune response to a bivalent whole cell oral cholera vaccine in Haitian adults. The researchers found that the booster dose after 2 weeks did not stimulate the immune system further, suggesting an optimal dosing schedule may be needed.
Sweden's biggest contribution yet to the SKA has passed a major milestone with the delivery of an advanced feed horn for testing in Canada. The sensitive instrument will help astronomers map out the history of the universe and make measurements surpassing today's radio telescopes.
Research of over 1.6 million Swedish men reveals that being overweight as a teenager significantly increases the risk of heart failure in early middle age. The study found a nearly ten-fold increased risk for those with a BMI of 35 or more, emphasizing the importance of maintaining a healthy weight from an early age.
University of Utah researchers have developed a theory that adding light during the manufacturing process can reduce defects in semiconductors, leading to more efficient solar cells and brighter LED bulbs. This breakthrough could unlock the potential of materials previously deemed unusable, such as cadmium telluride and gallium nitride.
People with cocaine addiction develop habits that render their behaviour resistant to change, suggesting punitive approaches are ineffective. Interventions building on habit formation may be more effective in treating cocaine addiction.
A national accounting of China's ecosystem services reveals a positive impact on both humans and nature. The study found that food production, carbon sequestration, and soil retention increased significantly, while sandstorm prevention and flood mitigation improved.
A Johns Hopkins study of 28,000 people with HIV concludes that the Ryan White HIV/AIDS Program remains crucial despite the Affordable Care Act's availability. The program provides free medical care to hundreds of thousands of low-income individuals, and its cutbacks could leave many without access to essential services.
A University of Kansas special education professor advocates for increased use of single-case experimental research design to complement group experiments and address the replication crisis. This approach can lead to effective interventions and make replication less cumbersome, providing clarity on individual responses to interventions.
Researchers identified a genetic mutation in the ADRA2A gene that causes atypical lipodystrophy, characterized by excessive fat accumulation in the face and neck, but not in limbs. The mutation reduces adrenaline receptor function, leading to loss of lipid breakdown in adipocytes.
A University of Kansas researcher is studying the co-evolution of flowers with pollinators like bees and hummingbirds, exploring how natural selection has enabled flowers to shift strategies from bee-pollination to hummingbird pollination. She aims to discover the extent to which evolutionary change is predictable.
Researchers at UT Dallas develop an affordable electronic nose using CMOS integrated circuits technology, allowing for breath analysis in various health diagnoses. The device can detect low levels of chemicals present in human breath with high specificity and sensitivity.
A new online biochemistry course is designed to introduce students aged 15-19 to molecular bioscience and encourage further study. The Massive Open Online Course (MOOC) offers supplementary learning materials and aims to reduce barriers for entry into STEM courses.
Geneticists at KU Leuven have discovered that tumour protein TP53 can autonomously locate and bind to specific DNA sequences, activating the right genes to repair damaged cells. This finding sheds light on the mechanisms controlling gene expression and holds promise for future cancer therapies.
A new study by UC Santa Barbara psychologists found that men prioritize traits associated with productivity and material benefit in nonfamily members, rather than solely generosity and trustworthiness. In contrast, women place more emphasis on reciprocity and demand more from attractive partners.
A new study reveals that China's conservation programs have improved ecosystem services, with notable increases in food production and carbon sequestration. However, some areas experienced decreases in habitat provision and air and water quality remained a concern.
A new study from Ohio State University finds that women who work long hours over three decades triple the risk of diabetes, cancer, heart trouble, and arthritis. Long hours above 50 per week also increases the risk of life-threatening illnesses.
A new genetic mutation in the CAPN1 gene has been identified as a cause of ataxia in humans and Parson Russell Terrier dogs. Calpain-1, an enzyme involved in brain development, is found to be neuroprotective, preventing excessive neuronal death.
Researchers found that cerebral microbleeds are associated with increased physical and cognitive disability in multiple sclerosis (MS) patients. The study suggests that monitoring MS patients with cerebral microbleeds could be crucial in preventing further decline.
Researchers identified TIP60 as an enzyme required for HIF1A activity in human colorectal cancer cells, showing its potential as a target for cancer treatment. The study also revealed the molecular mechanisms by which TIP60 promotes HIF1A activity and highlights the importance of basic research in cancer discovery.
Researchers found that permafrost beneath shallow Arctic lakes is warming due to warmer winters and increased snowfall, leading to sub-lake permafrost thaw. This phenomenon is similar to terrestrial permafrost thaw but occurs sooner due to lakebed temperatures rising above freezing.
Researchers found that combining radiotherapy with PD-1 blockade therapy improved survival rates in a murine lung cancer model. However, this treatment approach showed no benefits for tumors that had relapsed after radiation therapy, highlighting the need for personalized medicine strategies.
Researchers at BC Children's Hospital have discovered a protein that can diagnose chronic graft-versus-host disease (cGvHD), a life-threatening complication of blood and bone marrow transplants. Elevated levels of CXCL10 were found in patients who developed cGvHD, offering an early warning sign for diagnosis.
A new study suggests that physical exercise after learning improves memory consolidation, particularly when done in a specific time window. The researchers found that exercising four hours after learning retained the information better two days later than those who exercised immediately or not at all.
A new study from Johns Hopkins Medicine found that the liver plays a vital role in balancing fats and sugars, even when its ability is impaired. The research suggests that other tissues can step in to compensate for the liver's limitations, but if the liver fails, it can lead to a lethal onslaught of fat.
A new study by Florida State University researcher Joseph Grzywacz found that both a dirty working environment and a lack of stimulation in the workplace can have a long-term cognitive effect on employees. The study showed that men and women who had jobs that exposed them to a dirty working environment saw a cognitive decline.
Researchers found that supermassive black holes at galaxy centers are likely to have weaker gravitational fields, making them harder to detect. This challenges previous assumptions about the detection of gravitational waves from merging galaxies.
A UK study found that a seven-day doctor surgery pilot significantly reduced weekend emergency hospital visits, admissions, and ambulance call-outs. Elderly patients with moderate injuries or illnesses drove the reduction, as GPs took fewer risks and sent less serious cases home.
The Atacama Large Millimeter/submillimeter Array (ALMA) has observed oxygen in a galaxy 700 million years after the Big Bang, providing evidence for cosmic reionisation. The findings suggest that many brilliant stars have formed in the galaxy, emitting intense ultraviolet light to ionise gas.
A team of engineers from Penn State's Applied Research Laboratory have developed an innovative approach to stabilize supercavitation bubbles, reducing the pulsation and noise that can occur during underwater vehicle movement. By applying a sinusoidal air flow variation, they were able to suppress pulsation states in many cases, allowin...
The FBI must develop 21st-century investigative skills to access encrypted data without compromising security. The organization should invest in a technical investigation center with agents familiar with modern telecommunications and computer science.
Researchers at MIT and University of Georgia have developed an affordable eye-tracking system using machine learning and crowdsourced data. The system achieves a margin of error of 1.5 cm, outperforming previous experimental systems.
A 40-year study of nearly 45,000 Swedish men found that being overweight in late adolescence significantly increases the risk of developing severe liver disease later in life. The study adjusted for various confounding factors and found a 64% increased risk for overweight men compared to those with low normal weight.
Researchers propose that eukaryotic life arose through a gradual transfer of molecular machinery from archaea to bacteria. The discovery of Lokiarchaeum's genome reveals a complex organization, sparking debate about the earliest stages of eukaryogenesis.
A new study by Yale researchers suggests that a catheter-delivered device called the Watchman may be a more cost-effective treatment option for patients with atrial fibrillation. The device, which is permanently implanted in the opening of the left atrial appendage, prevents blood clots from forming and reducing the risk of stroke.
A new study by Rice University health economists aims to understand the association between physician-hospital integration and healthcare quality and price. The project will analyze data from 2008-2013 to examine the effects of integration on patient outcomes, readmission rates, and hospital finances.
Research from the University of Kent demonstrates that mental fatigue can impair football performance, reducing physical and technical abilities. Footballers experience decreased running speed, increased passing mistakes, and impaired shot accuracy when mentally fatigued.
Professor Jim Al-Khalili has received the first-ever Stephen Hawking Medal for his work in promoting public awareness of science through various disciplines. The medal recognizes his efforts to communicate complex physics concepts through documentaries and broadcasting.
Researchers found that adding a specific bacterial species to the guts of mice with autism-like social behavior reversed their deficits, improving social interaction and oxytocin levels. The study suggests using probiotics as a potential treatment for neurodevelopmental disorders like autism spectrum disorder.
Benedick A. Fraass, Christopher G. Willett, and Anthony L. Zietman have been named recipients of the American Society for Radiation Oncology (ASTRO) Gold Medal for their outstanding contributions to radiation oncology. They were recognized for their achievements in clinical patient care, research, teaching, and service to the profession.
Researchers have developed a system that uses fuzzy logic to analyze web addresses and detect redirection spam. The system provides an extra layer of security against phishing and malware attacks by assigning a probability to whether a suspicious link is safe or spam.
A new study found that exercise can help alleviate symptoms of ADHD in adults, including reduced anxiety and depression. The study tested 32 young men with elevated ADHD symptoms and found that a single bout of exercise improved their mood and motivation.
Scientists at Massachusetts General Hospital developed a new procedure to generate and expand airway stem cells from lung tissue samples, allowing for multiple generations of cultures. This breakthrough may lead to improved treatments for airway diseases like asthma and COPD.
Research suggests that mothers' obesity can impair the health of later generations through mitochondrial DNA passed to offspring. Healthy diets and exercise may reverse genetic metabolic abnormalities.
A single species of gut bacteria, Lactobacillus reuteri, has been identified as a key player in reversing social deficits in mice with autism-like behaviors. The bacteria promotes the production of oxytocin, a hormone crucial for social behavior, and restores synaptic function in reward areas of the brain.
A Harvard University study forecasts that boreal forests in far-northern latitudes may act as a climate refuge for black spruce trees due to higher rainfall. The research also suggests that the region's growing season will expand by 3 weeks, but drought stress could overwhelm trees south of the 49th parallel.
Scientists discovered a unique tumour-suppressor gene, alternative reading frame (ARF), that remains active in naked mole rat induced pluripotent stem cells. Reprogramming these cells into human-like iPSCs may lead to safer cell-based therapeutics by avoiding tumour formation.
Researchers at the IBS Center for Theoretical Physics of Complex Systems engineered Landau-Zener-Bloch oscillations within a lattice structure, revealing anharmonic properties. The study demonstrates potential for engineering new quantum states and resolving the behavior of Bloch oscillations under external fields.
Researchers at Sandia National Laboratories have discovered that the Rift Valley fever virus uses the Wnt signaling pathway to hijack host machinery and cause infection. This mechanism offers a promising new target for developing therapeutics against this deadly virus, which can cause fatal hepatitis and hemorrhagic fever.
Researchers suggest using MIGA to incentivize development of public health systems and provide coverage for disease outbreaks. The mechanism would encourage beneficiary countries to establish core capacities as set forth by the World Health Organization's International Health Regulations.
Researchers analyzed online records of 196 pro-ISIS groups, finding they adapted and extended their longevity by adapting to shutdowns and inspiring lone wolves. By tracking these 'aggregates,' cyber police and law enforcement can monitor buildup and transitions before real-world attacks.
Researchers discovered weaker electric currents in diabetic wounds, which can lead to delayed healing and increase the risk of complications. This finding opens up new avenues for managing diabetic patients and could have significant implications for reducing healthcare costs associated with chronic ulcers and wounds.
Researchers found that learning and training improve perception in older adults, despite degraded tactile perception. Computer simulations revealed that the brain's compensatory mechanism is strengthened, resulting in enhanced brain activity and improved perception.
Researchers aim to develop easy-to-use and inexpensive sperm sorting devices using microfluidic technology to improve fertility treatments. The technology sorts healthy sperm from damaged or dead ones, reducing DNA damage and improving sperm recovery.
The extent of resection in glioblastoma patients was found to be associated with improved overall and progression-free survival. Glioblastoma multiforme (GBM) patients who underwent gross total resection (GTR) showed a significant increase in one-year and two-year survival rates compared to those with subtotal resection or biopsy.
Astronomers using ALMA detected a clear signal from oxygen in a galaxy 13.1 billion light-years away, revealing insights into cosmic reionization. The detection of ionized oxygen is crucial for understanding the early Universe and the formation of galaxies.
Researchers discovered that stem cells isolated from young mice can accelerate repair of stomach ulcers when transplanted into older mice. Additionally, studies redefined the role of the gut microbiome in inflammatory bowel disease and found potential therapeutic applications for acute alcoholic liver disease using a scavenger compound.
A team of researchers at the University of Wisconsin-Madison has identified dozens of genes that contribute to the rigidity and integrity of bacterial cell envelopes. These findings have significant implications for developing new antibiotics against Gram-negative bacteria, which are notoriously difficult to treat.
Researchers found that B cells from African American lupus patients expressed more proteins characteristic of activated B cells, contributing to disease severity. These findings suggest enhanced activation of B cells may play a role in increased SLE severity among African Americans.
A new study finds that climate scientists who practice what they preach are more credible and have a greater impact on the public. The research suggests that personal behavior plays a significant role in shaping the perception of scientists' credibility, with a carbon footprint being a key factor.
Researchers have developed a new device that enables existing breast cancer imagers to provide up to six times better contrast of tumors in the breast while maintaining the same or better image quality. The Variable Angle Slant Hole Collimator reduces radiation dose to patients by half, potentially improving imaging of other organs.
Researchers at Osaka University developed a technology to control the light wavefront reflected from cholesteric liquid crystals, enabling planar optical components. The new technology contributes to the miniaturization of catoptrics devices by allowing functionality by design.
A groundbreaking study shows unprecedented improvements in 10 patients with early Alzheimer's disease or precursors following treatment with a personalized, 36-point therapeutic program. Patients who were struggling with memory loss returned to work and improved their performance after just 10 months on the protocol.
Researchers found that statins reduced the risk of infections in stroke patients by 58%, particularly when administered early. The study controlled for various factors, including severity of strokes and age, and suggested that anti-inflammatory properties may play a role.
A study published in Neuron reveals how smell preference is computed in the brain, suggesting that most glomeruli contribute to attraction or aversion. The model predicts that relative preferences can flip depending on other odors present.
A preliminary clinical trial suggests that n-acetylcysteine improves dopamine levels and cognitive function in patients with Parkinson's disease. The study used brain imaging studies to track changes in dopamine levels and found significant improvements in both measures.
Research reveals five major ways microRNAs contribute to chemoresistance in epithelial ovarian cancer (EOC). Targeting cell cycle regulation, apoptosis, drug transporters, tumor suppressor roles, and signaling pathways can help reverse resistance. This knowledge highlights the therapeutic potential of miRNAs.
Researchers compared ClinicalTrials.gov and Drugs@FDA for results reporting accuracy, finding that while Drugs@FDA was useful for primary outcomes, it lacked validity for secondary outcomes and adverse events. Integration between the two sites could lead to better health information.
A Pittsburgh researcher has received a grant to study the effects of prolonged space travel on bones using a 3D microphysiological system. The research aims to develop new treatments for osteoporosis and enhance personalized medicine.
A study found that people with a first-degree relative with epilepsy are at higher risk of being diagnosed with autism. Siblings and offspring of those with epilepsy were 63% more likely to develop autism than their peers without a family history.
Researchers are studying how microbes control ant behaviors using $2.56 million in grants from the National Institutes of Health and the National Science Foundation. The goal is to understand the complex collective behavior of fungi, which can precisely control their hosts' actions.
Researchers at UCLA discovered that people with Parkinson's disease have impaired decision-making, particularly when sensory information is weak. This finding suggests that the neurological factors underlying Parkinson's may be more complex than previously thought and could lead to earlier detection strategies.
A ketogenic diet has shown promise in reducing tumor size and progression in ovarian cancer, with a new clinical trial aiming to replicate these results in humans. The trial aims to investigate the effects of a low-carbohydrate diet on ovarian cancer patients' quality of life and cancer-related measures.
A study explores how high-tech employees learn essential skills like problem-solving, communication, and self-regulated learning for career success. Researchers will interview and survey employers, employees, and educators across four regions to understand the role of workforce development in STEM industries.
A 700-year-old West African soil technique converts nutrient-poor rainforest soil into fertile farmland, potentially offsetting CO2 emissions and preventing food shortages. Researchers discovered that this method creates 'African Dark Earths' containing 200-300% more organic carbon than other soils.
Researchers at Johns Hopkins Medicine have successfully grown lab-grown human nerve cells that can partner with heart muscle cells to stimulate contractions. The nerve cells, derived from pluripotent stem cells, were found to connect with and control heart muscle cells, similar to their natural counterparts.
A new study by University of California, Berkeley economist Timothy Brown estimates that each dollar spent on public health programs returns $67 to $88 in improved health outcomes. This far exceeds the return on investment for selected aspects of medical care, which ranged from $1.10 to $4.80 per dollar spent.
Researchers found that genetic variants of the S1P1 receptor influence fingolimod's effectiveness in treating multiple sclerosis. The study used mouse models to demonstrate that an S1PR1 variant affecting phosphorylation ability led to reduced fingolimod efficacy, and treatment with a CCR6-blocking antibody delayed disease progression.
Researchers at NASA Ames discovered that varying hydrogen droplet sizes influence the burning process of liquid hydrogen-oxygen mixtures. The study reveals new mechanisms and requires a deeper understanding of evaporation and burning processes.
An international team has identified interactions between immune system pathways that could improve the treatment of diseases such as colitis. The discovery may lead to more effective treatments for millions of IBD sufferers by targeting both adaptive and innate immune systems.
Scientists found that the range of frequencies produced by vocal cords depends on their stretchiness and stiffness. This discovery has implications for treating damaged vocal cords and improving singing techniques. The researchers used data from 16 species, including humans, to develop a model that explains how the cord's properties af...
A recent review by University of Alberta researchers found little evidence to support the benefits of vitamin D supplementation for various health conditions. Strongest effects were seen in reducing falls and fractures among the elderly. Moderate supplementation is unlikely to cause harm but will not lead to significant health benefits.
Two USU professors will receive grants to study accident-tolerant nuclear fuels and improve computer models for reactor cooling systems. The research aims to advance understanding of fuel behavior, performance, and computational tools for improved safety.
Researchers detected gas containing oxygen in a galaxy 13.1 billion light years away, providing insight into ancient times. The discovery helps scientists understand the universe's reionization and the nature of its first stars.