A new bacterial species, Hydrogenimonas cancrithermarum, discovered at a deep-sea hydrothermal vent site provides insights into bacterial evolution. The strain represents the first mesophilic sulfur-oxidizing bacterium in its genus, expanding physiological and metabolic characteristics.
A new study estimates that air pollution from fossil fuels accounts for 61% of global ambient air pollution deaths, corresponding to 82% of preventable deaths. Phasing out fossil fuels could save up to 5.1 million extra lives annually, with the greatest impact in South and East Asia.
A study by Max Planck researchers has discovered an epigenetic regulator MSL2 that ensures the expression of both alleles of haploinsufficient genes, crucial for human health. This mechanism allows for tissue- and cell-type specificity in gene dosage, opening new directions for understanding diseases and developing potential treatments.
Researchers analyzed fossilized flowers and compared them to living species, finding that early angiosperms had a high level of morphological diversity despite having fewer species. The study suggests that floral organization was more flexible early in their evolutionary history, allowing for novel flower types to evolve more easily.
Researchers confirm that pancreatic cancer triggers a response in the immune system, but T cells struggle to infiltrate tumors. This finding could guide future treatment development for pancreatic ductal adenocarcinoma (PDAC), a deadly form of pancreatic cancer.
Researchers at DTU Biosustain develop innovative fermentation process to produce natural betalain-type food colors, reducing waste and environmental impact. The new technology can satisfy global demand with just one-tenth of the equivalent land area, offering a more sustainable alternative to traditional extraction methods.
Researchers at UC San Diego School of Medicine found that certain bacterial species dismantle protective molecules on vaginal cells, dysregulating cell turnover and response to surrounding bacteria. This study may help explain the association between bacterial vaginosis and adverse sexual and reproductive health outcomes.
A study of 1.1 million patients found lower healthcare costs when treated by female surgeons compared to male surgeons. This analysis highlights the importance of creating inclusive policies and environments supportive of women in surgery to improve workforce diversity.
Two papers advance understanding of PFOS effects on aquatic life, particularly fish, by testing multiple concentrations and confirming its presence in water. The results indicate that earlier findings were non-repeatable and likely due to biological variation rather than PFOS toxicity.
A new study published in PLOS ONE found that the effective tax rate paid by multinational corporations varies greatly across countries, with some paying as little as 1% of gross income and others up to 67%. This disparity highlights the need for better data on tax rates to inform policy decisions.
Under acidic conditions, coumarins like sideretin help sustain Fe2+ reduction; at alkaline pH, fraxetin promotes Fe3+ mobilization. This fine regulation allows plants to adapt to different soil pH levels.
Researchers developed a technique to achieve uniform shrinkage of 3D-printed structures, enabling finely detailed structures with advanced light manipulation capabilities. The method has applications in anti-counterfeiting, high-performance devices, and materials with precise structuring.
Antiferromagnets exhibit fluctuations that can reveal information about their weakly magnetic material. Researchers developed a new method to detect these ultrafast fluctuations using ultrashort light pulses, leading to the discovery of telegraph noise.
Moffitt researchers found that HDAC8 inhibition of EP300 leads to melanoma cell metastasis to the brain, while no significant impact on other organs was observed. This study provides evidence for a new therapeutic target to inhibit brain metastasis.
A recent study found that people with lower education levels in Appalachian Kentucky have higher colorectal and lung cancer incidence rates. An intervention program increasing educational attainment was shown to effectively increase knowledge of cancer among middle and high school students.
A new study by Carnegie Mellon University and the University of Washington found that online dating algorithms exhibit popularity bias, recommending more attractive users over less attractive ones. This bias boosts revenue through increased engagement and matches, but may compromise user satisfaction.
The study found that England's only resident population of bottlenose dolphins has declined to just 48 individuals due to various human impacts. The researchers call for urgent measures to protect the population and its habitats.
Researchers found that a rise in South Atlantic temperature caused a release of trapped CO2 into the atmosphere, affecting climate regulation. This process has implications for current climate change and potential collapse of the AMOC.
Disrupted health care markets have changed the creation, provision, and consumption of health care. Marketing strategies need to account for new producers, providers, and consumers. The editorial calls for a research agenda outlining opportunities for marketing scholars to examine the impact of disrupted exchanges on consumer welfare.
The study reveals that peer reaction video feedback provides valuable insights into teaching strengths and weaknesses, enhancing reflection skills. It also enables concrete feedback on performance and reduces discomfort in delivering negative feedback.
Researchers discovered ancient bird-like footprints in Southern Africa that date back over 210 million years, 60 million years before the earliest known bird fossil. The tracks were found at multiple sites and show a mix of dinosaur and bird-like characteristics.
A new study estimates that phasing out fossil fuels could save millions of lives by reducing air pollution-related mortality burden, with cardiometabolic conditions being the leading cause of death.
Researchers identified a link between neck muscles and primary headaches, including tension-type headaches and migraines. Muscle T2 values were found to be significantly associated with headache frequency and neck pain.
Scientists at Politecnico di Milano have created photonic chips that can mathematically calculate the ideal shape of light to pass through any environment, increasing transmission capacity. The devices generate multiple overlapping beams with unique shapes, reducing interference and enabling high-bandwidth data transfer
Surgeon supply per 100,000 population decreased in rural counties and increased in urban counties between 2010 and 2020. The study found widening disparities between general surgeons, with rural and socially vulnerable counties experiencing significant shortages.
Yale paleontologists have identified a new fossil lizard, Helioscopus dickersonae, which suggests that gecko ancestors appeared in North America earlier than previously known. The discovery provides insights into the physical features of early geckos and their behavior, including their ability to climb trees.
Researchers from the University of Queensland have identified a noncoding RNA called Gas5 that coordinates neuronal excitability in real time, contributing to learning and memory. The study found that this RNA is uniquely required for fear extinction memory, a type of critical input processing that leads to the formation of memory.
The study examines how social media comments influenced the public's perception of the war in Ukraine, focusing on age, gender, and ethnicity. It reveals how women are framed as symbols of national identity, with women from opposing sides being demonized or portrayed as weak.
A team of researchers found that carbamic acid and ammonium carbamate can form in interstellar ices at low temperatures, potentially delivering these molecules to early Earth via comets or meteorites. This discovery could inform future studies using powerful telescopes to search for prebiotic molecules in distant star-forming regions.
A breakthrough study found that light exercise can improve cognitive health in adults with Down syndrome, leading to improved information processing and attention. After just eight weeks of walking, participants showed significant increases in physical fitness and reductions in errors during cognitive assessments.
A randomized clinical trial found that excluding aspirin from the antithrombotic regimen in LVAD patients improved adverse event rates by a significant reduction in non-surgical bleeding. The study results suggest that an aspirin-free regimen is safe and may improve longevity, morbidity, and quality of life for these patients.
A new study by the University of Zurich found that global shark and ray protection is inadequate, with crucial species playing vital ecological roles in maintaining biodiversity. The research identified 18 unique functional diversity hotspots concentrated along continental shelves and oceanic islands.
A new study discovered microplastics in the placentas of Hawaiʻi mothers between 2006 and 2021, with increasing presence found each year. The researchers believe microplastics may be ingested through food or inhaling dust particles, raising concerns about their impact on fetal health.
A team from Johannes Gutenberg University Mainz found that Middle Pleistocene humans had a more varied diet than previously known, with beaver meat being a significant component. They hunted young adult beavers, indicating a deliberate strategy to target fat-rich animals as a crucial food resource during the Pleistocene era.
A study from the University of Ottawa found that sleep deprivation significantly impacts decision-making processes, reducing neural responses to winning and losing outcomes. This can lead to diminished positive emotions in response to winning and negative emotions when faced with losses.
A team of astronomers led by Durham University detected a rotating disc structure around a forming high-mass star in another galaxy, marking the first extragalactic detection. The disc is estimated to be around 15 times the mass of our Sun and provides insights into star formation across different galactic environments.
Adults with congenital heart disease are at increased risk of death or cardiovascular complications after hospitalization for heart failure. However, those who received recent cardiology care before hospital admission had lower rates of death and major complications.
Researchers have identified Australia's most hard-to-find species using over 3.8 million volunteer hours of birdwatching data, including the elusive Coxen's fig-parrot.
Researchers developed an AI model to predict borylation positions in drug molecules, improving chemical synthesis efficiency. The method enables late-stage drug diversification by high-throughput experimentation with geometric deep learning.
The American Psychological Association's new report outlines several effective ways to combat misinformation, including systemic approaches like legislation and technology standards. Individual strategies focus on changing behaviors, such as debunking false claims, teaching digital literacy, and promoting critical thinking.
A new study calls for increased health outcome reporting at ICE detention centers to monitor the quality of medical care. The researchers found discrepancies between emergency medical services and ICE reports, raising questions about the medical care provided in these centers.
A single Bitcoin transaction consumes approximately 16,000 liters of water, equivalent to filling a backyard swimming pool. This staggering amount of water is part of the larger environmental impact of Bitcoin mining, which could worsen water scarcity in countries already struggling with droughts.
Researchers examined venom genes in bees and other hymenopteran taxa using comparative genomics. They found that 12 'families' of peptides and proteins were present in all analyzed hymenopterans, indicating a common ancestor possessed these genes. This suggests that Hymenoptera insects are venomous as an entire group.
Researchers have identified macrocyclic compounds as a potential solution for targeting proteins critical to tumorigenesis, blocking nearly 80% of cancer's signature characteristic events. Additionally, these small compact molecules can effectively overcome drug resistance by binding to mutant proteins and inhibiting their activities.
Researchers found that brittle stars, brainless marine creatures, can associate darkness with food and react accordingly, demonstrating classical conditioning. They retained this association even after a break from training, suggesting potential learning capabilities in these animals.
Researchers have developed a device that detects glucose and adenosine monophosphate biomarkers in saliva with high sensitivity, enabling easy at-home health monitoring. The electrochemical aptamer-based biosensor is simple, accurate, and stable, making it suitable for use without laboratory equipment.
A recent study published in Nature Nanotechnology investigates the coronavirus's ability to attach to human cells under various mechanical stresses. The Alpha variant shows stronger cell adhesion, potentially contributing to its rapid transmission.
Researchers at Oak Ridge National Laboratory have developed a new, efficient, and environmentally-friendly solution for lithium-ion battery recycling using organic citric acid. This approach recovers critical metals like cobalt and lithium, reduces pollution and reliance on foreign sources, and eliminates the need for hazardous chemicals.
A University of Bonn study found that nearly half of the world is suitable for diversified farming for sustainable intensification. The study suggests that regions with developed infrastructure near urban centers are particularly promising for profitable diversified farming practices.
A new unified model confirms that some long-lasting gamma-ray bursts are created in the aftermath of cosmic mergers that spawn an infant black hole surrounded by a giant disk of natal material. The findings explain recently observed long GRBs that astronomers couldn't link to collapsing stars.
Researchers used AI to analyze brain white matter tracts in adolescents with and without ADHD, discovering significant differences in nine brain tracts in individuals with ADHD. Early diagnosis and intervention are key to managing the condition.
Physicist Alexandre Deur's study of nucleon spin structure has made significant advances in understanding quantum chromodynamics, a theory that describes how quarks and gluons behave. The research, conducted at Jefferson Lab, involves studying the nucleon at high, intermediate, and low beam energies to see how its properties change wit...
Researchers at the University of Innsbruck have developed a new approach to study entanglement in quantum materials. By using a quantum simulator with 51 particles, they were able to extract information about the existing entanglement with drastically fewer measurements than previously thought possible.
A new study found that very high levels of HDL-C, known as 'good cholesterol', are associated with an increased risk of dementia in older adults. Researchers observed a 27% higher risk of dementia among participants with very high HDL-C levels compared to those with optimal levels.
A University of Konstanz study found that consumers believe healthy meals are also sustainable, but actual environmental impact and healthiness don't necessarily align. The research suggests that better information on food sustainability is needed to inform consumer choices.
Researchers tested the Bacillus Calmette-Guérin (BCG) vaccine in healthy adults to gather data about TB immune responses. The study found associations between BCG and gene expression changes in blood, providing insights into optimal protection against TB.
A study published in Nature found that remote teams are less likely to make breakthrough discoveries compared to those who work onsite. The researchers analyzed over 20 million research papers and four million patents, concluding that geographical proximity is essential for conceiving groundbreaking ideas.
A new study finds that well-designed climate policies can reduce global inequality, with low-income households benefiting from avoided climate impacts and targeted redistributions. By mid-century, a majority of the global population is expected to benefit from such policies.
Researchers at Kiel University modelled various storm surge and sea level rise scenarios to assess the effectiveness of dike lines and managed realignment. They found that current defence lines are insufficient to withstand sea level rise, but managed realignment could provide greater protection when combined with raising existing dikes.
A study led by Keck School of Medicine of USC used AI detection technology to analyze influencer content on TikTok between 2019 and 2022, finding an increase in posts that promote e-cigarettes. The prevalence of pod devices, e-juice flavor names, and nicotine warning labels increased significantly over time.