A metamaterial absorber enhances infrared spectroscopic detection signals 100-fold, allowing for more distinct results with small traces of substances. The proposed technique offers low-cost manufacturing and vast applications in detecting biomolecules, harmful substances, and gases.
Researchers from ICIQ's Lloret-Fillol group have isolated and fully characterised an elusive intermediate in the Water Oxidation Reaction (WOR), a key reaction for producing atmospheric oxygen. The breakthrough provides direct evidence of the oxygen-oxygen bond formation mechanism, opening doors for efficient catalyst design.
Researchers develop an iron-based catalyst that rapidly removes sulfadiazine antibiotic residues from water by activating H2O2 to generate free radicals. The catalyst shows high efficiency and stability, making it a potential solution for tackling micro-pollutants in water.
Researchers found a higher De Ritis ratio to be an independent risk factor for cancer progression in high-risk NMIBC patients. Non-BCG treatment was also identified as a risk factor for recurrence.
A new study suggests that an emotional regulation technique called cognitive reappraisal can help disrupt compulsive cocaine addiction. The technique, which involves reinterpreting the meaning of drug-related cues, was found to reduce attention-bias in individuals with cocaine use disorder.
Researchers found higher levels of stress among parents during the workday and weekdays compared to evenings and weekends. The study also revealed that having one adult in the home was related to higher stress levels.
Researchers at Tokyo Institute of Technology have developed a new strategy to produce nanogap oxygen gas sensors with fast response times and low operating temperatures. The study presents a promising approach to create scalable gas-sensing platforms for various applications.
Alzheimer's disease disorganises blood vessels around amyloid plaques, causing loss of vessels and worsening pathology. This mechanism aggravates the disease by reducing the brain's ability to clean toxic substances, leading to increased strain on oxygen and nutrient supply.
The journal features a special issue on the Arctic Challenge for Sustainability Project (ArCS), which covered topics such as climate change, atmospheric science, and oceanography. The project aimed to understand the impacts of global warming on the Arctic environment and human society.
A study by CNIC scientists found that glycosylated hemoglobin can identify individuals with advanced atherosclerotic disease and increased cardiovascular risk. The test can be used to calculate the degree of subclinical atherosclerosis in the general population, enabling personalized treatment plans.
A new study found that human-induced global warming is responsible for 37% of all heat-related deaths globally, with Central and South America and South-East Asia most affected. Cities like Santiago de Chile, Athens, and Tokyo saw significant increases in mortality due to climate change.
A new study reveals that young men are more likely to engage in direct political actions, while women prefer civic activities like volunteering. The researchers attribute this gap to societal roles and expectations instilled from an early age.
High-level government officials and influential commentators in the US trivialized pandemic casualties by adopting a tone that suggested premature death was normal. This misleading rhetoric ignored the collective costs of unchecked disease transmission and offered false reassurance about the risk of infection.
Researchers from Heriot-Watt University developed AI algorithms to optimize community energy assets, using multi-agent systems and cooperative game theory. The models provide fair ways to share joint gains among community members, considering individual contributions and needs.
A study by Manuel Santos Gutiérrez and colleagues reveals that machine learning-based simplified climate models can build an actual understanding of the climate system. The findings indicate that data-driven methods are dynamically and physically sound, producing robust simulations. This breakthrough has significant implications for va...
Researchers discovered that hydraulic instability amplifies small volume differences between germ cells, leading to their selection for growth or shrinkage. The study reveals a mechanical mechanism governing the life and death decision in the nematode germline.
Researchers analyzed a sediment core from Lake Tislit, Morocco, and found that the Sahara expanded with greenery during the African Humid Period. The expansion was caused by increased winter precipitation rather than a northward expansion of the monsoon.
Researchers analyzed pollen and leaf waxes to reconstruct vegetation cover and rainfall in the past. Mediterranean plants tolerate arid conditions with winter rain, suggesting a southward shift of westerlies during the African Humid Period. This climate scenario produced a Green Sahara with two seasonal rains.
Researchers have found suitable sewing thread brands and stitch densities for Ghanaian public basic school uniforms, resulting in improved seam strength, efficiency, and elongation. The recommended thread brand B? with a stitch density of 14 stitches per inch (SPI) is expected to produce high-quality seams.
Researchers found that piperlongumine inhibits cell growth, impacts cell cycle, and triggers caspase-3 independent cell death in retinoblastoma cell lines. PL's toxicity was inhibited by a ROS scavenger treatment, suggesting its potential as an anticancer molecule for retinoblastoma treatment.
A novel ghrelin receptor inverse agonist was developed for positron emission tomography (PET) imaging of functional expression in health and disease, particularly in cancer. The compound demonstrated specific binding to the Ghrelin receptor and imaging of tumors and normal tissues expressing the receptor.
Researchers link ALS to a unique genetic mutation affecting lipid metabolism, providing clues for a novel therapy and understanding the disease's progression. The study reveals slower symptom onset and longer survival rates in children compared to adults with ALS.
Researchers at Nagoya University identified a key enzyme that activates nitrate uptake mechanisms in plants responding to nitrogen starvation. The CEPH protein plays a critical role in activating the high-affinity transport system, which enables rapid nitrate uptake from the environment.
A large-scale genetic study has identified more genomic regions linked to type 2 diabetes-related traits by including multi-ethnic participants. The research, published in Nature Genetics, found that expanding the scope of genetic studies to different ancestries yields better results and benefits global patient care.
A research team has successfully measured tritium production rates in a water-cooled ceramic breeder blanket mock-up, validating its design and function under D-T neutron environment. The experimental results are in good agreement with Monte Carlo simulations, meeting the requirements for tritium self-sustaining in future fusion reactors.
Researchers review biopolymer-based electrolytes for lithium batteries, highlighting polysaccharides and proteins with unique properties. The study aims to improve interfacial stability and mechanical strength of membranes, enabling the design of zero-pollution batteries.
Researchers used a 'robot microscope' to track chemical signals in worms, revealing the role of interneurons in food-seeking behavior. The study found that glutamate signaling between sensory and interneurons plays a key role in experience-dependent plasticity.
Brain activity patterns in prefrontal cortex reveal white lie motives, with selfish motives encoded by medial prefrontal cortex and ventral subregion activity similar to selfish behavior.
A global collaboration involving The Lundquist Institute has discovered 24 additional genome-wide loci linked to glycaemic traits in diverse populations. This expansion of genomic research has led to more accurate diagnoses and better treatment options for type 2 diabetes.
A randomized controlled trial found that tai chi is as effective as conventional exercise in reducing waist circumference and improving HDL cholesterol levels among middle-aged and older adults with central obesity. The study's findings are good news for those who may prefer tai chi due to limited mobility or preference.
A novel graphene-based nanozyme was developed using Ganoderma lucidum extract polysaccharides, enabling high sensitivity and selectivity detection of L-cysteine in serum. The study published in Analytical and Bioanalytical Chemistry demonstrated improved stability and dispersion of the nanozyme in water.
A recent study reveals that warming and cooling of the Pacific Ocean, driven by solar radiation changes, impacted moisture availability in Africa. This climate process may have shaped the distribution of plant and animal species, creating favorable conditions for resource-rich regions where modern humans emerged.
A RUDN mathematician has developed an algorithm that allows for the optimal distribution of computing tasks between IoT devices and the cloud, resulting in a reduction of power and time costs by about three times. The algorithm also protects devices from malware during data transmission.
A study reveals that Eurasian jays are susceptible to illusions using fast movements, similar to humans. However, the birds are more influenced by observable motions than expected motions, differing from human perception.
A study of 158 European butterfly species found that 25 thrive in urban environments, while others decline. Generalist species with adaptable traits are more likely to succeed.
Researchers discovered that Ganoderic acid can increase the radiosensitivity of cancer cells, making them more susceptible to radiation therapy. This breakthrough provides new hope for cancer treatment and could lead to improved patient outcomes.
Researchers at Skolkovo Institute of Science and Technology used the Zhores supercomputer to develop a new method for generating gamma-ray combs, which are essential for nuclear spectroscopy and medicine. The method uses polarization-gated pulses to reduce ponderomotive spectral broadening, allowing for high-brightness gamma-ray sources.
Researchers have found that small marine snow particles are crucial for the anammox process, which converts nitrate into nitrogen gas, releasing it to the atmosphere. These tiny particles, about the size of a hair, transport more nitrogen than larger clumps, making them essential for the nutrient balance in the oceans.
Researchers from POSTECH and KNU analyze Dopa and lysine, revealing their roles in surface adhesion and cohesion. The study confirms negative synergy between Dopa and lysine, offering promise for designing new adhesive materials.
Research reveals STAT3 induces GLI1 expression in chronic lymphocytic leukemia cells, a finding that may lead to therapeutic interventions. GLI1 overexpression is associated with survival advantage in CLL, and its inhibition by specific compounds could increase cell death.
A study by ISGlobal reveals that Histoplasma infections are a leading cause of death among people with HIV in the Brazilian Amazon. The research highlights the need for sensitive detection methods to combat this fungal disease.
Scientists conducted new experiments on carbon partitioning between metal and silicate using chondritic starting materials. The results suggest that planetary embryos may have had nearly saturated carbon content in their mantles, which could be a natural consequence of core-mantle partitioning during Earth's formation.
Researchers found a significant reduction in galling on plant roots after incorporating beer bagasse and rapeseed cake into the soil with fresh cow manure. The treatment also boosted populations of beneficial microorganisms and increased crop yields by around 15% compared to control plots.
Scientists have discovered that the process of freeze-drying destroys paralytic neurotoxic activity in stonefish venom, which may impact the effectiveness of current antivenom formulations. The study also reveals how the venom disrupts heart function and can block nerve receptors, leading to altered heart rhythms.
A Swedish study found a link between HPV infection and increased risk of preterm birth, even in women without previous abnormal cell changes. The study included over 1 million births and suggested that vaccination against HPV may be beneficial for pregnancy outcomes.
A comprehensive genetic resource of rat-infecting malaria parasites has been published, providing insights into the evolution, virulence, and transmissibility of the disease. The study reveals diverse genetic and phenotypic variations between subspecies, which may aid in understanding malaria parasite gene functions.
Researchers at the Weizmann Institute of Science used fruit bats to study navigation in an experimental setup that emulates their natural environment. They found that a single neuron can represent multiple place fields and that the size of each field changes according to location, resolving the discrepancy between traditional models.
An Indigenous Māori framework offers a new perspective on managing and conserving Antarctica, focusing on responsibilities rather than rights. This approach acknowledges the intrinsic link between human well-being and the environment, promoting reciprocal and sustainable relationships with the continent.
Researchers have discovered significant smoke aerosols in pre-industrial Southern Hemisphere ice core samples, revealing a much fierier past than previously thought. This finding helps to refine climate predictions by accounting for the cooling effect of smoke particles, which may have been underestimated in current models.
Scientists from Tokyo Metropolitan University used super-resolution machine learning to study phase transitions by simulating tiny arrays and then generating a larger estimate. This technique allows for massive computational cost savings, enabling the study of complex materials behavior.
Over 50 years of progress in women's health has seen significant improvements in access to healthcare and survivorship. However, maternal death rates remain high, particularly among African American women, and intersectional health disparities persist.
A recent study found that browning lakes in the northeast US are becoming increasingly light-limited, restricting algal growth and aquatic plant life. This reduction in productivity can affect fish food webs, particularly those relying on visual foraging like brook trout.
A study by North Carolina State University researchers found that US counties with more socially vulnerable populations have a higher density of natural gas pipelines, putting them at risk for water and air pollution, public health and safety issues. The analysis used a social vulnerability index to assess 3,142 US counties and found a...
A reevaluation of the Edaphodon eyrensis fossil tooth plate has led to a revised classification as Ptyktoptychion eyrensis. The discovery was made possible by Evgeny Popov's study of the fossil in various Australian locations.
Researchers analyzed conversion factors of methane into CO2 equivalent, finding a dynamic approach to reduce economic cost while maintaining stability. The study suggests adapting conversion factors to future pathways to implement cheapest options, potentially avoiding additional mitigation costs up to 5% in high overshoot scenarios.
The researchers have successfully mechanically imprinted atoms in ceramic, achieving improved electroceramic properties. This method allows for the creation of well-ordered fields of newly occupied atomic rows, which control local polarisation and load dislocation in the material.
A team of researchers has developed a new method to combine perovskite nanocubes with spherical nanoparticles to form structured, multi-part nanocrystals. These materials display fundamental new properties such as superfluorescence, which can be harnessed for practical uses like ultrabright quantum light sources.
Researchers developed a new light-sheet fluorescence microscope with extended field of view and reduced photodamage, enabling high-resolution cellular imaging over three days. The technology contributes to understanding embryonic development and pathogenesis, and is expected to advance drug development.
Researchers at Kazan Federal University and Chinese Academy Sciences have developed peptide nanoparticles that can be visualized in living cells using hyperspectral microscopy. These nanoparticles have the ability to scatter light efficiently, allowing for non-fluorescent labeling of cells.
The study found diABZI to be highly effective in preventing severe COVID-19 in mice infected with SARS-CoV-2. The drug stimulates interferon signaling, reducing viral loads and cytokine production in the lungs.