A study of 8,275 participants found that those with severe gum disease had twice the risk for mild cognitive impairment or dementia. People with minimal tooth loss and mild gum disease were no more likely to develop thinking problems than those with no dental issues.
A study of 289 Japanese children found that pre and postnatal lead exposure impacts boys' IQ and language skills, while girls show no significant association. The researchers suggest that genetics and environment also play a role in child development.
A new study using loop quantum cosmology accounts for two major mysteries of the universe's largest scales. The research resolves two anomalies that have puzzled scientists for years, providing a closer look at the early universe and its primordial features.
A genome-wide comparison of eastern and western monarch butterflies found they share identical genetic diversity, contradicting long-held assumptions about their distinctiveness. The study suggests environmental factors shape behavioral differences in the butterflies' migratory patterns.
Scientists have identified Dome A in Antarctica as the best place on Earth to view distant stars, thanks to its extremely stable atmosphere. The location offers a unique opportunity to observe the universe with greatly reduced interference from atmospheric turbulence.
A study published in Nature Communications reveals the intricate choreography of phage assembly and its impact on bacterial infections. The research provides new insights into the mechanism of action of phages, which could lead to more precise and effective treatments for drug-resistant bacterial infections.
Researchers found that flower buzzing produced forces of over 50G, five times that experienced by fighter jet pilots, and suggests bees use specific types of buzzing vibrations for certain tasks. This discovery provides important insight into the pollination process and how flowers coevolved with bees.
A new method has been developed to extract antibiotic residue in food from animal sources, allowing for simultaneous extraction and sample cleaning. The procedure uses supramolecular, nontoxic solvents and has been validated by European regulations, making it suitable for routine controls.
A consensus statement evaluates the use of prognostic genetic expression profile testing in melanoma, cautioning against routine use due to limitations. The statement aims to assist clinicians in determining when and how gene expression profiling should be adopted in clinical practice.
Patients who had previously suffered a vertebral fracture experienced an increased risk of major osteoporotic fractures after longer bisphosphonate drug holidays. The study suggests that these breaks may lead to a partial loss of protective effects against fractures, highlighting the need for individualized management decisions.
A team of scientists introduces a 'meta-grid' of nanoparticles that significantly enhances the light output of LEDs while reducing energy consumption. By reducing Fresnel reflection loss, the 'meta-grid' increases the lifetime of LED chips by eliminating unwanted heat.
A new report from Colorado State University outlines a list of 20 climate indicators that provide insight into the impacts of climate change on US agriculture. The indicators, organized in five categories, offer a broad look at what's happening across the country.
Researchers investigated mood homeostasis before and during COVID-19 lockdown among Dutch students, finding that lockdowns hindered their ability to stabilize their moods with mood-modifying activities. The study aimed to understand how individuals adapted to the lockdowns and what factors influenced their mental well-being.
A study published by the American Academy of Neurology found that drivers who have had a concussion take longer to regain complex reaction times, crucial for driving situations. The research suggests that traditional reaction time tests may not be the best measure of driving responsiveness and readiness.
A team of researchers from Washington University in St. Louis has determined for the first time how the process of wound healing begins, shedding light on fibrosis and cancer metastasis. They discovered a recursive process between fibroblasts and their environment, which can be controlled by manipulating cellular responses to drugs.
As electric vehicles accelerate, cities and utilities face the challenge of smoothing out the duck curve and avoiding costly new infrastructure. Smart charging strategies can help reduce demand peaks and fill in the gap.
Researchers at Goethe University Frankfurt have identified a promising anti-viral strategy against COVID-19 by targeting the papain-like protease (PLpro) of SARS-CoV-2. Inhibiting PLpro can suppress viral production and strengthen innate immune response, offering a potential therapeutic approach to combat the virus.
A review by McMaster University found that children under 10 are less likely to transmit COVID-19, while adults are more likely to be the transmitter of infection. Family stress, particularly among female caregivers and children, is also a significant concern.
Researchers have identified many genome locations that code for RNA molecules influencing gene expression, using techniques like eCLIP and RNA Bind-N-Seq. The study reveals the functions of these RNA sequences and their interactions with RNA-binding proteins.
The COVID-19 pandemic has accelerated the adoption of agricultural technologies to ensure food supply security. Roboticized farms, vertical farming, and gene-edited foods are being used to reduce the risk of transmission of pathogens among workers and minimize reliance on human labor.
A team led by Pitt professor Katherine Hornbostel is developing a hybrid plant that captures more carbon than it produces, making it carbon negative. The system integrates natural gas with two carbon capture technologies to achieve high CO2 removal rates during both normal operations and off-peak hours.
A study found that some healthy individuals have immune cells capable of recognizing SARS-CoV-2 due to prior infections with 'common cold' coronaviruses. Cross-reactive T-helper cells may provide a protective effect, but could also lead to misdirected immune responses.
Researchers found that certain microRNAs can decrease the expression of ACE2 and TMPRSS2 enzymes, which are crucial for SARS-CoV-2 entry into human cells. This discovery could lead to new approaches for fighting the virus.
A team of scientists used positron beams to study radiation damage in iron films, revealing new insights into defect formation. The research provides critical data on the nature of defects and improves understanding of radiation effects in materials used in nuclear reactors and other extreme environments.
The Journalists in Aging Fellows Program aims to educate journalists about aging issues and disseminate information on scientific findings, policy debates, and innovations. The new cohort will participate in online educational sessions and deliver two projects based on current aging research.
A RAND Corporation study found that telemedicine services can extend care for underserved populations, particularly in rural areas. The study examined the experiences of nine community health centers in California and found a significant increase in telemedicine volume over time.
A new 'lab-on-a-chip' technology has been developed to monitor swimming pools more affordably and reliably, improving water safety for Australians. The sensor can accurately measure chlorine and pH levels, reducing the risk of infection from incorrect pool chemistry.
Research reveals complexity of tree and urban zone responses to extreme heating events. Tree transpiration plays a significant role in exacerbating the urban heat island effect.
Scientists have found that quantum particles can carry unlimited information about interacted objects, enabling precise measurements. Researchers developed a new technique using quasi-probabilities to improve metrology, leading to potential breakthroughs in super-precise microscopes and quantum computers.
A position paper from the European Society of Cardiology highlights the cardiovascular risks of e-cigarette use, particularly among adolescents. The authors call for stricter regulations on marketing and sales, as well as education campaigns to raise awareness about the negative effects of vaping.
Researchers investigated the dynamics of the Earth's transition zone, a boundary layer between ~410 and ~660 km depth. They found that deformation mechanisms shift from dislocation creep to pure climb creep at geological stresses, influencing the Earth's geochemical evolution.
Research found that five scientific fields (particle physics, atomic physics, cell biology, neuroscience, and molecular chemistry) account for more than half of Nobel Prizes awarded between 1995 and 2017. Additionally, many papers in these fields received less citation compared to other publications.
A six-week course of a PCSK9 inhibitor improved coronary artery function in people living with HIV or high cholesterol, increasing area and blood flow. The study suggests a potential way to limit cardiovascular disease risk in these populations by improving blood vessel function.
A new study reveals that almost two-thirds of first confirmed COVID-19 cases outside China had travel links to Italy, China, or Iran. The research suggests that travel from these countries may have seeded additional outbreaks globally before the pandemic was characterized.
Researchers analyzed mask-wearing and face-touching behavior in public areas before and during the COVID-19 pandemic, revealing changes in global populations. The study found that people were more likely to touch their faces when wearing masks or in crowded spaces.
A new paper reveals the mechanism behind sorbent materials' ability to capture and release carbon dioxide from the air. The study's findings could lead to smarter design of sorbent materials at the heart of all carbon removal systems.
Researchers created a personal cooling fabric that efficiently transfers heat away from the body while allowing sweat to evaporate. The new material, made from nanofibrous membranes coated with boron nitride nanosheets, has high thermal conductivity and potential uses in solar energy collection and electronic device management.
Researchers found that combining pan-Bcl-2 inhibitors with cancer treatments can cause healthy cells to die, leading to reproductive and developmental defects. The study highlights the need for awareness about adverse effects of certain drugs like navitoclax.
A Stanford-led paper explores the unprecedented socioeconomic disruption caused by COVID-19, hypothesizing outcomes for Earth systems and outlining research priorities. The study aims to better understand the impacts of human activity on the environment, including greenhouse gas emissions, air quality, and the global economy.
A Potential Tropical Cyclone (PTC) 9 has developed in the Eastern Caribbean Sea, bringing heavy rainfall and gusty winds to several islands. The National Hurricane Center has issued multiple warnings and watches, with a high formation chance of 90%.
Using a quantum computer, researchers simulated time travel into the past, damaging one qubit. However, when all qubits returned to the present, they appeared largely unaltered, suggesting self-healing in reality. The study challenges traditional views of chaos and disorder in complex systems.
A recent study found that less than 20% of ecological research is computationally reproducible, highlighting the need for improved sharing of code and data. The study's lead author calls for a drastic increase in code availability to address this issue.
A new study by Columbia University researchers found that RGGI successfully reduced PM2.5 emissions and improved children's health between 2009-2014, avoiding 537 asthma cases, 112 preterm births, 98 ASD cases, and 56 low birthweight cases. The initiative also generated economic savings of $191-$350 million.
Australian researchers have developed a phage cocktail therapy to combat antibiotic-resistant Staphylococcus aureus in diabetic foot ulcers. The treatment has shown promising results, effectively decreasing bacterial load and improving wound healing.
Scientists used dynamic in-situ x-ray diffraction to observe how a crystalline sponge changed shape as it lost water molecules. The study found that one water molecule leaves quickly, causing the crystal lattice to compress and twist, while the other two molecules leave together.
Researchers found that adjusting planter depth and downforce according to environmental conditions can improve crop emergence and yield. Studies showed that larger seeds produce a slight increase in emergence, while hill-drop planting overcomes inadequate field conditions.
Lehigh University's Energy Research Center receives $750,000 from the DOE to improve power plant efficiency and develop a technology to measure toxic heavy metals in power plant wastewater. The project aims to optimize operating efficiency, system reliability, and emission reductions.
Tropical Storm Douglas has weakened significantly due to strong wind shear, which has pushed the storm's clouds away from its center. The lack of deep convection in the storm is a clear indication of weakening.
A new material combines recycled concrete aggregate and rubber in a mix precisely optimised to meet road engineering safety standards. The blend is more flexible than standard materials, making roads less prone to cracking and delivering both environmental and engineering benefits.
Researchers at the University of Birmingham and international partners have developed a technique to miniaturize sensing devices using cold atoms and optical metasurfaces. The resulting devices are significantly smaller, with potential applications in various industries.
African carder bees have been spotted in Western Australia for the first time, according to Curtin University research. The invasive species was previously recorded in Queensland and has since spread throughout eastern Australia, raising concerns about its potential impact on native ecosystems.
A new study using data from 123 studies worldwide found that smaller habitats lead to more species extinctions when compared to larger habitats. The researchers developed a way to develop more realistic biodiversity forecasting models by accounting for ecosystem decay.
Researchers at Penn State have discovered a way to enhance superconductivity in materials by layering molybdenum sulfide with molybdenum carbide, increasing conductivity by 50% to 6 Kelvin. This breakthrough could lead to more efficient energy transmission and storage.
Researchers identified mechanism of competition between distinct mitochondrial genomes in the same cell, which depends on impact on cell metabolism. The study found that factors like gene function, drugs, and dietary changes influence preference for specific mtDNA variants.
Researchers at UC San Diego developed a new method to fabricate perovskites as single-crystal thin films, resulting in flexible single-crystal films with controlled area, thickness, and composition. These single-crystal films showed greater efficiency and enhanced stability than polycrystalline counterparts.
A new study suggests that COVID-19 may cause deadly blood clots in pregnant women and those taking estrogen, highlighting the need for anticoagulation therapy or discontinuation of estrogen medicines. Research is underway to understand how the coronavirus causes blood clots, which could inform prevention strategies.
Researchers have matched seismic signals with aurora displays in Alaska, offering a new way to study magnetic fluctuations. By combining data from all-sky cameras and seismometers, scientists can better understand the link between solar winds and the Earth's magnetic field.
Researchers developed a coaxial cable-inspired needle-electrode for multichannel and local-differential recordings of neuronal activity. This innovation achieved high-quality neuronal signal acquisition with a high signal-to-noise ratio, while reducing tissue damage compared to conventional electrodes.
Researchers from the University of Copenhagen have mapped and analyzed the atomic structure of the Cmr-β complex, a type III-B CRISPR-Cas system. The study provides new insights into the mechanisms behind this complex's immune response against phages and its potential therapeutic applications in fighting antibiotic resistance.
Grassroots knowledge from Indigenous people can help map and monitor ecological changes, improving scientific studies and managing ecosystems. The study reveals negative trends, such as increased invasive species and changes in wild animal health, highlighting the importance of Indigenous and local knowledge for global-scale monitoring.