Researchers have discovered a new species of cyanobacteria, Anthocerotibacter panamensis, which can help study the dawn of oxygenic photosynthesis. The species lacks thylakoids and has unique carotenoid biosynthesis pathways, providing insights into the evolution of photosynthesis.
Researchers used ancient zircons to reconstruct Earth's evolution and determine that modern plate tectonics emerged roughly 3.6 billion years ago. This finding suggests that the dynamic crust, which supports life on Earth, began to take shape during this time.
Glaciologists have created a new slip law to measure the relationship between forces and glacier speed. The study uses high-resolution measurements of glacier beds and digital models to estimate glacier speeds, which can be used to predict sea level rise.
A web-based survey found that e-cigarette users had a higher risk of asthma, wheezing, and shortness of breath compared to non-users. The study also showed that past 30-day e-cigarette use was associated with increased respiratory symptoms even after controlling for cigarette and cannabis use.
A new laboratory method called TaqMan Array Card (TAC) has been validated for detecting a diverse range of bacteria that cause diarrheal disease. The TAC is faster and cheaper than traditional methods while delivering comparable results, enabling comprehensive monitoring of enteropathogens in informal settlements.
Research presented at ATS 2021 International Conference found that e-cigarette users have a higher odds of developing asthma and having asthma attacks. Current smokers also had an increased risk, with former smokers facing the highest odds.
A new theory of dreaming proposes that our brains create strange dreamscapes to counteract overfitting by familiarizing themselves with everyday experiences. This 'overfitted brain hypothesis,' inspired by AI regularization techniques, suggests dreams serve a purpose in generalization and world understanding.
Researchers from Rijksmuseum Boerhaave Leiden and TU Delft used neutron tomography to examine a highly magnifying specimen without damaging it. The findings reveal that Van Leeuwenhoek's lenses were made using a common production method, contradicting long-held assumptions about his 'secret' technique.
A University of Stirling study found that COVID-19 lockdowns triggered feelings of loneliness in older adults but also encouraged them to engage with technology, reconnect with friends, and build new relationships with neighbors. The research highlights the importance of addressing loneliness and social support in older adults, particu...
A University of Seville group discovered the mechanism by which BRG1 inactivation leads to genetic instability and tumour formation. The study reveals that the SWI/SNF complex plays a crucial role in resolving chromosomal conflicts, and its mutation can cause DNA replication defects and chromosomal breaks.
Researchers evaluated hospital compliance with CMS ruling requiring public listing of charges in a machine-readable file, revealing inconsistent results. The study found that many US hospitals failed to comply with the rule, hindering transparency in healthcare pricing.
Researchers have identified the gene responsible for a male European corn borer moth's preference for its female counterpart's pheromone. The discovery provides insights into the evolution of mating signals and could help predict the spread of resistance to genetically modified insecticides, offering potential benefits for pest control.
During the COVID-19 pandemic, naloxone prescriptions decreased in the US, while overall prescriptions and opioid prescriptions remained relatively stable. Researchers analyzed changes in prescription trends to better understand the impact of the pandemic on opioid use.
Scientists successfully deliver oxygen through the lining of the intestine, a process called enteral ventilation or EVA, to alleviate respiratory failure. The method shows promise for reducing negative effects of oxygen deprivation and has potential as a less invasive alternative to traditional ventilators.
A study by Vanderbilt researchers found that maintaining a healthy lifestyle can reduce colorectal cancer risk by nearly 40% among those with a high genetic risk. Those at low genetic risk see only a 25% reduction, highlighting the importance of prevention strategies for high-risk individuals.
A multi-institutional team has identified a compound that prevents the lengthening of the heart's electrical event, preventing cardiac arrhythmia. The compound, C28, enhances the IKs potassium ion channel function without affecting normal action potentials.
Scientists at PNNL develop a novel material capable of capturing light energy, displaying high efficiency and programmability, with potential applications in photovoltaics, bioimaging, and beyond. The researchers' bio-inspired approach leverages natural hierarchical structures for exceptional properties.
The Acoustical Society of America will host its 180th meeting online June 8-10, offering new features to ensure an exciting experience for attendees. The meeting will include prerecorded talks, live discussion sessions, panel discussions, and lightning round sessions.
Researchers discovered that water can bond strongly with iron under extreme conditions, explaining the presence of significant amounts of hydrogen in the Earth's core. This finding suggests that much of the water that arrived on Earth during its formation might be stored in the core as hydrogen.
Ion transporters in chloroplasts play a crucial role in regulating gene expression, influencing the efficiency of photosynthesis. This discovery has significant implications for enhancing photosynthetic efficiency under unfavorable environmental conditions.
A novel screening strategy using cultured plant cells can identify microorganisms that stimulate plant immune mechanisms without harming plants. Eight bacterial strains were found to boost cryptogein-induced ROS production, inducing whole-plant resistance to bacterial pathogens.
Researchers have developed sensors that can detect explosive materials, particles from deadly viruses, and illegal drugs at the part-per-quadrillion level. The technology has a wide range of applications, including monitoring wounds in soldiers and detecting roadside IEDs.
A double-blind study found that combining endoscopic sleeve gastroplasty (ESG) with semaglutide increased weight loss in patients, with the ESG group losing an average of 26.7% of their total body weight compared to 19.6% for the control group.
Scientists at Japan Advanced Institute of Science and Technology create novel technique to probe monoatomic chain bonds using transmission electron microscopy and quartz length-extension resonator. They successfully measure the strength of individual Pt bonds and observe the formation and breaking of monoatomic Pt chains in real-time.
Scientists have identified a mechanism that causes perovskite solar cells to degrade, but also found a potential solution by selecting a crucial layer within the material. This new approach aims to increase stability and efficiency of next-generation solar cells.
Etching processes were found to accelerate surface reconstruction and increase the formation of metal hydroxides, enhancing oxygen evolution reaction efficiency. This breakthrough has potential applications in other oxygen-susceptible metal compounds.
The study adapts mathematical models from ecology to understand Twitter's interaction patterns. The researchers identified two primary behaviour patterns: a modular state with fragmented attention and a nested state during exceptional events.
Researchers have found that rodents and pigs can survive with the help of oxygen administered through their rectum. A liquid-based alternative has also been developed, which reversed symptoms in both models without producing side effects.
Researchers from McGill University studied threespine stickleback fish adapting to seasonal changes, finding genetic shifts that mirror past adaptations. The study's findings suggest predicting evolutionary future of populations under environmental stressors like climate change.
North Carolina State University researchers have created a new type of 3D-printable gel called homocomposite hydrogel, composed of alginates found in seaweed. The gel has remarkable strength and flexibility, making it suitable for biomedical applications such as growing cells and wound dressings.
Scientists found that male sex hormones prevent stomach inflammation by suppressing immune cells, while females lack this protection. The study suggests treating males with stomach inflammation differently than females.
Research found a sharp increase in consults for alcohol-related GI and liver diseases during the COVID-19 pandemic, with the proportion remaining elevated even after re-opening. The study highlights the potential impact of increased anxiety, depression, and social isolation on alcohol consumption.
A team of scientists from China has sequenced the genome of Lavandula angustifolia to understand the genetics behind its distinctive fragrance. The study revealed that gene duplications and terpenoid diversification led to the evolution of unique compounds, with potential applications in stress relief, skin conditioning, and pollination.
A new study reveals the importance of nutrition in maintaining redox balance and coping with viral infections. The endothelium's regulatory function is also crucial in protecting blood cells from damage, while gasotransmitters play a key role in sensing environmental changes. These findings may inform future therapeutic approaches.
A new study by University of Maryland researchers found that downloading a major hotel chain's app has a significant and negative impact on customer spending. Lower-level loyalty customers are more likely to shop around for better rates after downloading the app, decreasing their share of wallet.
A study suggests that glyphosate, the world's most widely used herbicide, weakens the immune systems of insects by inhibiting melanin production. This reduction in resistance to infection may have significant impacts on ecosystems and human health.
Researchers at Rice University are part of a $33 million national effort to create an implant that produces therapeutic biomolecules to regulate sleep cycles. The device aims to halve the time it takes to recover from jet lag and similar disruptions, benefiting military personnel, first responders, and shift workers.
A subpopulation of neurons in the zona incerta drives investigatory and novelty-seeking behavior in mice. The discovery sheds light on a previously unknown brain circuit underlying innate curiosity.
Researchers successfully tested a reflectionless, highly refractive index metasurface made of micro-sized cut metal wires for use in terahertz waveband applications. The metasurface has a high refractive index and low reflection at 3.0 THz, enabling potential uses in 6G wireless communications and other commercial applications.
A new analysis of the California condor's complete genome reveals a wealth of genetic diversity, which can aid in its long-term survival. The study found that the species' historical abundance contributed to its high genetic diversity, making it less susceptible to inbreeding and disease.
A new paradigm is needed to address the risk of airborne pathogens in indoor spaces, building on lessons from food and waterborne disease elimination. Developing recommendations for preventive measures and risk control is crucial to achieving clean air in buildings.
Scientists from the Netherlands Institute for Neuroscience have discovered a new brain circuit underlying curiosity and novelty seeking behavior. By studying mice with freedom to choose, they found that specific neurons were more active during deep investigation compared to shallow investigation.
Researchers found that adolescents and older adults pay less attention to social cues than young adults, leading to impaired social interaction. This can result in isolation, loneliness, and poor health, particularly during adolescence and older adulthood.
A new study found that over a third of Australian watersheds had not recovered from the Millennium Drought seven years later. The findings suggest that hydrological droughts can persist indefinitely, highlighting challenges to sustainable water use under climate change.
Researchers discovered that immune cells change their behavior in response to a trigger, producing protein signals that cause skin lesions. This finding could lead to better treatment options for the disease by targeting early responder cells.
A recent study published in BMC Psychology found that keeping a daily gratitude journal for just two weeks can significantly increase academic motivation in Japanese college students. The intervention showed a robust positive effect on motivation levels, even after three months, by decreasing amotivation scores.
The presence of trace quantities of organic matter in modern concrete structures and asphalt pavements accelerates their deterioration. Key findings include the identification of phthalates, diesel exhaust particulates, surfactants, and windshield washer fluids as major contributors to deterioration.
A new study found that people blame wild animal trade or government preparation for epidemic outbreaks instead of animal agriculture and global meat consumption. The research highlights the critical need to understand the causes and risks posed by animal agriculture in preventing future pandemics and zoonotic diseases.
A new COVID-19 vaccine developed using the Sementis Copenhagen Vector (SCV) platform is being accelerated for human clinical trials within 18 months. The vaccine aims to provide long-term and broad-ranging immunity against SARS-CoV-2, including mutant strains.
A new study in zebrafish reveals that tumors can alter the metabolism of healthy tissues, which could lead to new cancer treatments. The research found that melanoma consumes more glucose than other tissues, but surprisingly, this has no impact on circulating glucose levels.
The Hungarian Canine Brain and Tissue Bank (CBTB) has made significant contributions to aging research by providing biological materials from pet dogs. Researchers found a positive correlation between CDKN2A expression and age in brain and muscle tissue, similar to human findings.
A recent study by Kazan Federal University explores the deformation of nitinol, a material with unique physico-mechanical properties. The research reveals that amorphous porous nitinol can sustain major mechanical loads significantly higher than crystalline nitinol.
A TGen-led study of 70,000 individuals found that both smoking and cardiovascular disease impair verbal learning and memory in adulthood, with sex differences observed. The study suggests that quitting smoking can improve brain function and maintaining cardiovascular health is crucial for preventing cognitive decline.
A study published in Human Reproduction found a link between ozone in air pollution and an increased risk of developing fibroids among Black American women. Higher levels of ozone were associated with a 35% increased risk of fibroids, particularly among younger women and those who had been pregnant.
A new study from Monash University finds that some Victoria water catchments still behave like they're in a drought even after nearly eight years without rain. The research, published in Science, challenges the common view that rivers and underground water supplies eventually replenish following periods of severe drought or flood.
A new study found that one in four pregnant women were denied medication for severe nausea and vomiting, with over-the-counter doxylamine being a common issue. Healthcare providers' lack of awareness about clinical guidelines and misinterpretation of medication labels contribute to these denials.
A team of researchers has created a nanostructured microscope coverslip that allows high-contrast pseudo 3D images of unstained biological cells to be obtained. This breakthrough method enables the visualization of cell shape and nucleus details, crucial for disease detection.
Researchers demonstrate controlled reversal of thermoelectric current in a tiny cloud of atoms by tuning interaction strength. This breakthrough advances the fundamental understanding of interacting quantum systems and paves the way for designing efficient thermoelectric materials.
A group of researchers from 14 countries is urging a universal recognition of the need to control airborne pathogens in buildings. The experts recommend improved ventilation systems, including higher airflow rates, filtration, and disinfection, as well as real-time monitors to track indoor air quality.
Researchers discovered that a gene called melanocortin 4 (Mc4r) plays a key role in weight gain associated with risperidone. A new drug approved for genetic obesity treatment, when combined with risperidone, prevents weight gain while maintaining therapeutic effect.