A national study found that most American children and adolescents still have poorly quality diets, with significant disparities based on socioeconomic status. Despite improvements in sugary beverage consumption and whole grain intake, kids' diets are still lacking in essential nutrients.
A new system uses AI to root out political memes and disinformation on social media platforms, highlighting the threat of coordinated campaigns to incite violence and manipulate elections. The project aims to flag manipulated content in real-time to prevent harm.
The PETA International Science Consortium Ltd. has contributed to the development of EpiAlveolar, a human cell-based alveolar model that can simulate the effects of inhaling different substances on the human lung. This breakthrough technology allows for the testing of chemicals and other respirable materials without animal testing.
The National Association of Science Writers (NASW) is conducting a survey to gather data about reporters' experiences seeking information on the COVID-19 pandemic. The organization aims to increase transparency about information access and facilitate the free flow of science news during this critical period.
Researchers used eDNA metabarcoding to detect biodiversity in two regions of Western Australia, finding that bulk arthropods and animal droppings detected the most species. The study suggests that eDNA can be a fast and accurate tool for biomonitoring, but careful surveys are needed to avoid contamination from outside organisms.
Researchers at University of Illinois and Mie University discover salt-loving bacteria secret a peptide that rapidly kills lung cells, leading to acute exacerbation. The finding offers a potential new target for treating pulmonary fibrosis, a disease affecting millions worldwide.
A genetic study by the University of Trento identified a crucial molecule (Wnt inhibitory factor 1, Wif1) in the correct composition of habenula neurons and their connectivity. This discovery may provide new insights into the causes of neurological disorders like autism.
A Drexel University study found that using broad diagnostic terms like 'autoimmune disease' alongside narrow ones helps patients communicate their experiences. This broad category simplifies explanation to family, friends, and clinicians, even with changing diagnoses.
A new study from Duke and Vanderbilt University psychologists found that older people are generally more emotionally stable and better able to resist temptations in their daily lives. The researchers surveyed 123 participants aged 20-80 and found that age is a stronger predictor of the ability to resist temptation than emotional state.
Researchers at Skoltech discovered that non-invasive magnetic stimulation of the brain can enhance human working memory. The effects of magnetic stimulation weaken as the brain works on a cognitive task under stimulation. Cognitive activity can even reduce the efficiency of TMS, suggesting new protocols may be needed for optimal results.
VIDO-InterVac will receive $12 million in federal funding to construct a pilot-scale vaccine manufacturing facility and $11.3 million for continued operational funding, enabling the development of a human vaccine for COVID-19.
Researchers analyzed data from nearly 5,000 adults and found that taking more steps was associated with a reduced risk of death. Higher step intensity also showed a significant association with lower mortality rates, suggesting that stepping is a crucial factor in overall health.
Researchers at the University of Illinois created a crumpled graphene sensor that detects ultra-low concentrations of disease markers in blood or serum, improving sensitivity ten thousand times over current designs. This breakthrough enables rapid diagnosis and could lead to portable, handheld devices for monitoring various biomarkers.
The COVID-19 pandemic exposes vulnerable populations in humanitarian crises to increased risk due to lack of access to basic needs like healthcare and hygiene facilities. Researchers call on governments and international organizations to develop evidence-based approaches to combat respiratory viruses.
Researchers at NIMS developed a solid material that slowly releases hydrogen sulfide (H2S) and nitric oxide (NO), which can induce physiologically favorable effects. This material will facilitate the medical use of these gases, overcoming storage and concentration difficulties.
Researchers at University of Limerick's Bernal Institute have helped discover a molecule that can switch between three distinct states, paving the way for low-energy data storage and processing. This breakthrough could have a major impact on the Internet of Things (IoT) and Artificial Intelligence (AI) applications.
Professor Adrian Bejan explains how the physics of spreading and growth can lead to economic downturns, but also highlights the potential for innovation and creativity to drive new growth and prosperity.
Engineers have developed a method to predict which mutations will occur in people, making it easier to create effective pharmaceuticals. The researchers used algorithms similar to those used in chemical physics to model how evolution works and found that biased random events play a big part in the evolution of resistance in leukemia.
Astronomer Mark Loeffler recreates interstellar space conditions to study homonuclear molecules in ice form. The James Webb Space Telescope will help detect these molecules, allowing scientists to better understand molecular cloud composition and its role in planetary system formation.
Researchers found that rats prioritize providing food assistance to those in need, as indicated by the 'smell of hunger'. Seven volatile organic chemicals differed significantly between hungry and satiated rats, serving as a reliable cue for reciprocal cooperation.
A new study published in Scientific Reports found that cannabidiol (CBD) enhances the effect of antibiotics against Staphylococcus aureus bacteria, a major human pathogen. The combination of CBD and antibiotics showed a more powerful effect than using antibiotics alone, reducing the need for antibiotics to achieve the same outcome.
Bacteria form intricate starburst-like patterns as they grow on soft substrates, with wrinkles forming at the edges and propagating toward the center. The researchers developed a chemo-mechanical model to predict where wrinkles would form, corresponding well with experimental measurements.
A new test measures expressive language skills in individuals with Fragile X syndrome, helping increase participation in clinical studies aimed at improving intellectual and cognitive functioning. The test's reliability and validity were demonstrated through consistent scores across multiple administrations.
Infections are responsible for one in five childhood deaths in England and Wales, with respiratory infections leading the way. The proportion of deaths caused by infections has declined, but not among infants and young children, who saw a significant increase in cases.
New research measures cloud changes caused by ship pollution, revealing a measurable regional impact on global temperatures. The study found that globally, cloud changes due to industrial pollution block 1 Watt of solar energy per square meter.
A team of biologists and engineers used computer simulation to explore the core brain-body question of how different-sized limbs and muscles perform identical fine-motor tasks. They found that sensory feedback is crucial for controlling body movement, particularly in electric fish.
A new study published in Nature Ecology and Evolution found that plants and animals share similar patterns of niche evolution in response to climate change. The research analyzed climatic data from 952 plant species and 1,135 vertebrate species, revealing that both groups have a narrow breadth of tolerated environmental conditions.
The new coarse-grained model explains how seasonal changes in rainfall, solar radiation, and vegetation conditions affect surface urban heat islands at a city-wide scale. It provides general insights for city planners and scientists to design heat mitigation strategies.
A new study found that China's water use has decelerated since the 1980s due to the adoption of efficient irrigation techniques and industrial water recycling technologies. However, uncertainties remain due to land institution transitions, urbanization, and potential increased water use in intensive farming and industrial sectors.
Researchers found that creating hydrogels at room temperature or below results in more robust materials. The findings could improve the 3D printing of biomaterials and enhance their performance in biomedical applications.
A new study found that taking higher daily step counts is associated with a lower risk of death from all causes. The study tracked over 4,800 U.S. adults and found that those who took 8,000 steps per day had a 51% lower risk compared to those who took 4,000 steps.
Researchers propose a new method for measuring large areas by synchronizing chaotic oscillators, enabling accurate and robust measurements without requiring individual sensor interrogation. The approach allows for spatial averaging and harvesting information from nodes through gentle stimulation with an exciter signal.
New research from Rice University found that Barack Obama's 2008 presidential election improved the mental health of black men, with an average decrease in poor mental health days from four to three. However, this benefit did not extend to black women, who reported a slight increase in mental health problems following the election.
Researchers found strikingly high molybdenum, uranium, and rhenium concentrations in drill cores from shungite rocks, suggesting elevated oxygen levels at the time of their deposition. The discovery contradicts prevailing models of Earth's carbon and oxygen cycles and has implications for understanding the evolution of complex life.
A new framework has been developed to share clinical data for research and AI algorithm development, prioritizing patient privacy and ethical standards. The framework supports the release of de-identified and aggregated data, with safeguards in place to protect patient identity.
Kyoto University scientists develop a device that mimics the movement of tears and blinking eyes, allowing for more accurate testing of ophthalmic drugs. The device shows promise in increasing filament production in corneal cells, potentially leading to improved ocular drug development.
The study analyzed national survey data to estimate overall diet quality among US children and teens from 1999 to 2016. Researchers found a significant improvement in dietary habits, with reduced consumption of unhealthy foods and increased intake of fruits and vegetables.
Researchers at Stanford University School of Medicine have successfully rejuvenated old human cells using stem cell technology, rewinding molecular hallmarks of aging and rendering treated cells nearly indistinguishable from their younger counterparts. The study found that exposure to specific proteins, known as Yamanaka factors, can i...
A study of 101 wild mammal species found that females lived 18% longer than males for over 60% of the species, with a similar gap in humans. The researchers suggest complex interactions between environmental conditions and sex-specific costs of reproduction may contribute to this phenomenon.
Scientists have created a compatible semiconductor laser made of germanium and tin, with efficiency comparable to conventional GaAs semiconductor lasers on Si. The new laser can be manufactured during the CMOS production process, reducing waste heat and enabling continuous operation.
A new study co-led by a Cornell researcher found that individuals who recognize similarities between people they know and those depicted in the media are more likely to believe common rape myths. Media literacy education could help raise awareness about sexual violence and improve prevention programs on college campuses.
Researchers at six universities, including UT Austin, are launching a partnership to turn AI 'black boxes' into human-understandable computer code. This will enable solving hitherto unsolvable problems in fields like drug design and cognitive science.
Researchers from the University of Münster have developed a novel approach to allyl functionalization using radical chemistry, generating π-allylpalladium complexes through visible light activation. The method has been shown to be highly selective and sustainable, with over 60 examples demonstrating its utility in various applications.
A new FSU study suggests that competition for mates leads to increased risk-taking and aggression in men, but also reveals a lesser-known female response: settling down quickly to avoid competition. The study found that when women outnumber men, they become more open to casual relationships and less likely to get married.
Researchers at MDC found that mice detect warmth and cooling with the same acuity as humans, relying on a population of neurons increasing activity during warming. Blocking neural pathways associated with warming reveals perception is diminished but not gone.
A national poll reveals that nearly all older Americans support adding a dental benefit to the Medicare program, with 93% favoring inclusion in traditional Medicare. The poll also finds that cost plays a significant role in dental decisions, with one in five respondents delaying or forgoing dental care due to financial constraints.
A study published in Scientific Reports found that observing scrambled body stimuli while moving the whole body produces a sense of possession of specific body parts, but not the entire body. Spatial arrangement plays a crucial role in creating an illusion of whole-body ownership.
Researchers from the University of Tsukuba identify brainstem neurotensinergic neurons as crucial for regulating non-REM (NREM) sleep. The study found that these neurons promote NREM sleep by producing the neuropeptide neurotensin, which also plays a role in pain and metabolism.
Researchers examined the impact of antibiotics during pregnancy and infancy on childhood obesity and found no association. Additionally, a study investigated the effects of bariatric surgery on mental health and recommended managing challenges through evaluation and support.
Researchers discovered that when cyanobacteria cells become too crowded, they shut down photosynthesis as a defense mechanism. This phenomenon allows the cells to slow down growth and avoid rupture, providing insights into how organisms regulate this essential process.
Researchers at NYU Abu Dhabi have developed a microfluidic platform that allows for the isolation and study of circulating tumor cells (CTCs) from blood samples. The platform enables high precision analysis of CTCs' mechanical properties at the single cell level, holding potential for early cancer detection and monitoring.
Researchers from Kumamoto University found that Melinjo seed extract activates the beneficial hormone adiponectin, improving obesity and diabetes. The study discovered individual genotype differences affect efficacy.
A team of researchers from the University of Montana has identified critical forest areas in Malaysian Borneo that require protection. The study found that these priority forests store large amounts of carbon, support threatened rainforest animals and plants, and are crucial for conserving biodiversity.
Researchers discovered that cancer cells induce lung tissue inflammation, releasing signals CXCL9 and CXCL10, which aid metastasis growth. The interaction between detached cancer cells and fibroblasts is crucial for metastatic colonization.
Researchers in Australia have developed a new ultrasound biosensor that can be used to track disease states in real-time, using cheap and portable technology. The sensor uses nanoparticles that alter their stiffness in response to pH changes, allowing for accurate monitoring of biomarkers such as tumor shrinkage and organ response.
Researchers created a commercially attractive advanced cathode material based on titanium fluoride phosphate, exhibiting high electrochemical potential and unprecedented stability at high charge/discharge rates. The discovery opens up new opportunities for practical applications of titanium-containing cathode materials.
A study found that myelin, the protective coating of nerve cells, is dynamic and not inert as traditionally believed. This discovery has implications for treatment of multiple sclerosis and chemobrain, a type of myelin damage caused by chemotherapy drugs.
A MIT-developed simulation system, VISTA, trains driverless cars to navigate worse-case scenarios, such as near-crash situations, in a photorealistic environment. This allows controllers to learn and recover from these situations before being deployed on real-world vehicles.
Researchers at MIT discovered that the waves produced on an egg's surface during fertilization are similar to those found in ocean and atmospheric circulations, as well as quantum fluids. The study reveals a universal wave pattern that helps organize cell division and formation of an organism.
Researchers found that core-shell configuration of a Ni-Au catalyst is lost during reaction and recovered afterwards. The Ni-Au alloy, not the shell, acts as the active surface, explaining high CO selectivity.