The global fishing fleet increased from 1.7 million to 3.7 million vessels between 1950 and 2015, with a significant expansion in Asia. Meanwhile, catch per unit effort (CPUE) decreased globally, except for Oceania, where it increased.
Researchers summarize the latest progress in low-temperature methane conversion using thermocatalytic, electrocatalytic, and photocatalytic systems. The study highlights the importance of coupling multiple driving forces to activate methane and introduces catalyst design viewpoints for future technology development.
Researchers found that microaerobic Fe(II) oxidation coupled to carbon assimilation processes driven by microbes from paddy soil. The study identified the potential microaerophilic Fe(II)-oxidizing bacteria in paddy soil and confirmed their ability to couple iron cycling with carbon transformation.
Exposure to fine particulate matter during pregnancy impairs fetal development, leading to smaller organs and metabolic disorders in adulthood. The study highlights the importance of reducing prenatal air pollution exposure to prevent long-term health consequences.
A new study found that one-third of patients with metastatic pancreatic cancer do not see a medical oncologist, and even more do not receive cancer-directed treatment. The data suggest that there are many missed opportunities for important discussions between patients and cancer specialists.
A study examines ocean carbon sinks over two decades, finding they may account for 10-40% of atmospheric CO2 buildup. Current carbon cycle models underestimate sensitivity to climate variability, suggesting inaccurate global carbon budget predictions.
Scientists have created a revolutionary new chemical reactor that can produce pure hydrogen as a product stream. The 'hydrogen memory reactor' avoids costly separation of final products by retaining 'chemical memory' of reacting gas conditions, making the process more efficient and environmentally friendly.
Researchers used machine learning to analyze whole genomes of 1,790 individuals with autism and their unaffected parents and siblings. Noncoding mutations were found to be comparable in number to protein-coding mutations causing gene disablement.
A Princeton University-led team used AI to decode the functional impact of non-coding DNA mutations in people with autism. The researchers analyzed 1,790 family genomes and found thousands of potential genetic contributors. This breakthrough method is applicable to discovering genetic contributions to any disease.
Researchers identified a common gene signature in almost all global Strep A strains through genomic sequencing of thousands of genomes from over 20 countries. This finding has the potential to aid in the development of an effective global vaccine, which could combat the bacterial pathogen responsible for millions of deaths annually.
Researchers tracing the history of apples from wild origins to domestication reveal that ancient megafauna and Silk Road trade routes played key roles. The modern apple is a hybrid of at least four wild populations, with genetic material originating from the Tien Shan Mountains of Kazakhstan.
The NMR structure study provides unprecedented insights into the molecular mechanism of Ixolaris' action on Factor Xa, a key enzyme in blood clotting. The results may lead to the development of specific inhibitors that can prevent thrombosis without interfering with other enzymes.
Low-density areas transmitted plague faster than high-density areas due to reduced contact rates, while temperatures below 20° C slowed transmission, while increased precipitation accelerated it. Climate changes may alter the dynamics of plague transmission.
A 14th-century tsunami devastated coastal settlements in Sumatra, leading to a shift in the region's political economy. The disaster redirected history, paving the way for the formation of the Aceh sultanate.
A new study found that despite increased technology and motorization, modern fishing vessels take only one fifth of the catch per unit of effort compared to the 1950s. This reflects growing pressure on marine resources and a fall in fish abundance, with Asia's fishing fleet expansion outpacing fish stocks' capacity.
A recent study published in Nature Geoscience reveals an ancient geologic structure beneath the Ross Ice Shelf that restricts ocean water flow, suggesting local currents will impact ice shelf retreat. The discovery highlights the need for models to consider changing conditions near the ice front.
A combination of visual training and brain stimulation enhances learning in healthy adults, with twice as much improvement seen on a visual motion task. The study also found that this technique can lead to faster visual recovery and improved quality of life for patients who suffered a stroke or traumatic brain injury.
Researchers found that transcranial random noise stimulation improved participants' motion integration thresholds, enabling better learning of visual cues. The technique also showed long-term retention of benefits, suggesting a promising approach for overcoming key hurdles in vision therapy.
A study suggests certain breast milk carbohydrates can affect gut-bone axis, providing potential therapeutic options for stunted children. Gut microbes, intestinal cell populations, and immune mediators are associated with bone response.
Researchers linked seasonal photosynthesis cycles to solar-induced fluorescence in evergreen forests, enabling large-scale monitoring of carbon dioxide uptake. The study found that fluctuations in photoprotective pigments affect both photosynthesis and fluorescence, providing a proxy for forest activity.
A study published in JNeurosci reports that dysfunctional neurons in the hippocampus of adult mice modeling dementia can be repaired and reconnected to distant parts of the brain. The findings suggest potential new treatments for cognitive decline in the elderly.
Researchers use satellite-based fluorescence measurements to track photosynthesis and monitor forest health. Chlorophyll fluorescence emission closely tracks photosynthetic activity in evergreen forests, providing insights into large-scale forest dynamics.
Research using functional MRI found that music-based care plans enhanced brain circuit connectivity in preterm infants. This suggests music may improve future socio-cognitive function and prevent brain deficits.
A new method called plainification aims to enhance material properties by creating stable interfaces between grains at different scales, using fewer or no alloying elements. This approach could lower material costs, increase resource independence, and boost recyclability, paving the way for more sustainable materials development.
Lugdunin, a cyclic peptide with strong antimicrobial properties, works by proton transport across bacterial membranes. The researchers discovered that the thiazolidine group in lugdunin forms a critical part of its structure and is essential for its antibacterial activity.
Researchers from Helmholtz-Zentrum Dresden-Rossendorf found that Venus, Earth, and Jupiter's tidal forces impact the Sun's magnetic field, causing it to follow a regular cycle. This discovery explains the Sun's 11-year activity cycle and has implications for climate predictions and space weather.
A multicenter study found that deep learning analysis of single photon emission computed tomography (SPECT) myocardial perfusion imaging (MPI) improved the diagnosis of obstructive coronary artery disease. The new method showed increased sensitivity and accuracy compared to traditional methods, leading to better patient outcomes.
Researchers found that eliminating key gene regulatory factors, such as NR4A and TOX, fortifies T cell attack on melanoma cells, leading to improved tumor rejection and survival. This discovery suggests a potential strategy for extending CAR T-based immunotherapy to solid tumors.
A study found that US counties with high slave populations in 1860 display higher pro-White bias among White residents and lower bias among Black residents. Structural inequalities, such as poverty and neighborhood segregation, also correlate with implicit bias.
Research published in BMJ Open reveals India's total health workforce density is estimated to be 29 per 10,000 population, but only 16 for trained workers. The study found an alarmingly large presence of unqualified health professionals, with 20% of doctors lacking required qualifications.
Researchers identified TIMELESS as a potential circadian clock regulator involved in minor sleep phase changes. A mutation in the TIMELESS gene causes accumulation of the protein, leading to phase advances in mice and advanced sleep phase in humans.
A Canadian Medical Association Journal editorial argues that the Motherisk program should be reinvented to support healthy pregnancies and births. The proposed program would involve collaboration among clinical experts, front-line providers, and health organizations to ensure responsible conduct and independence from industry.
Researchers have developed a microglia-selective fluorogenic probe that triggers fluorescence through gene expression, enabling selective labeling and imaging of microglia cells in live brain tissue. This probe has the potential to detect developing neural diseases such as Alzheimer's disease and stroke.
Researchers found an interaction between BRD4 and the enzyme MTHFD1 from folate metabolism, which links gene regulation to transcriptional control. This discovery promises new approaches in cancer combination therapy for aggressive tumors.
A new data analysis platform, CellBench, is being used to compare the performance of thousands of single-cell analysis options, helping researchers identify the best method for their questions. This will enable more accurate conclusions from large biological datasets, potentially leading to new discoveries and effective therapies.
A case study reveals that excessive licorice root consumption can lead to severe hypertension, headaches, and fluid retention. Physicians are advised to screen for licorice root intake in patients with difficult-to-control hypertension due to its potential health risks.
Researchers at the University of Toronto have found dozens of genes unique to humans that code for transcription factors controlling gene activity. These genes recognize diverse DNA motifs, regulating different genes and potentially driving species differences between humans and chimps.
Researchers studied 27 deaf volunteers in Nicaragua to understand how NSL generates language; they found that symmetrical signs are fundamental to human conception of language. This discovery suggests that distinctions of symmetry are present even in isolated instances of language generation.
A new SFB will analyze the influence of non-coded RNAs on cardiovascular system processes. The collaboration aims to find new therapeutic target molecules for cardiovascular diseases.
A study of 102 participants, including those with anorexia and healthy controls, found that 30 years later, the majority were healthy but some had persistent eating disorders. The study identified age as a factor in recovery prospects, with teenagers who started anorexia at a slightly older age having better health outcomes.
A new review article highlights the vulnerability of rural coastlines to sea-level rise, with research showing widespread conversion of upland forests to wetlands. The study emphasizes the need for better understanding of factors influencing land conversion, including human barriers and policy incentives.
A new study found that exposure to flavored e-cigarette liquids and e-cigarette use exacerbate endothelial cell dysfunction, a key risk factor for heart disease. The researchers observed pro-inflammatory markers and toxic effects on cells from various e-liquids.
A mathematical model found that physician burnout costs the US healthcare system approximately $4.6 billion per year, with potential economic value for reducing burnout through policy and organizational efforts. Accessing patient notes may also improve medication adherence and patient comfort.
Researchers sequenced DNA of over 2,000 Group A Streptococcus samples from 22 countries to identify common genetic targets for a global vaccine. The study reveals that current vaccine candidates may have limited coverage in low-income areas where Strep A is most prevalent.
A study published in PNAS finds that premature infants who listened to tailored music had improved brain network development and functional connectivity compared to those without music. The research suggests that music can be a valuable tool to support the development of fragile newborns.
A new laser-based method can double the energy of a proton beam produced by particle accelerators, enabling more compact and affordable equipment for cancer treatment. The technique involves colliding two less intense laser pulses to create highly charged protons with higher energy levels.
Research reveals humans are more sensitive to evening light than previously thought, with large individual differences in sensitivity. Exposure to light after dusk can disrupt the circadian rhythm, leading to potential health consequences.
Supporting socially vulnerable students is key to preventing academic failures. International studies have shown that family context impacts a child's school progress, but strict predetermination is not inevitable. Experts suggest measures such as subsidies, monitoring, and targeted support like special tutors, personalized curricula, ...
Researchers found that viruses, like respiratory syncytial virus, form protein corona layers on their surface when interacting with host biological fluids. These layers enhance viral infectivity and facilitate the formation of amyloid plaques associated with neurodegenerative diseases like Alzheimer's.
A Stanford-led study found that e-cigarette flavorings may increase the risk of cardiovascular disease when inhaled. The researchers discovered that certain flavors, such as cinnamon and menthol, were particularly harmful to endothelial cells, which line the interior of blood vessels.
Defects in MOFs have been found to tailor these versatile materials for specific applications, such as catalysis and gas separation. KAUST researchers have developed a method to image defects using transmission electron microscopy, revealing that specific defects can improve MOF performance.
A proof-of-principle study shows that gold nanoparticles loaded with CRISPR safely and effectively edited blood stem cells in lab models of HIV and inherited blood disorders. The researchers found that the Cas12a protein partner delivered precise genetic edits, which were maintained for eight weeks after injection.
A team of scientists at Arizona State University has determined the structure of a massive photosynthetic supercomplex, uncovering crucial details about its functionality. The complex, composed of over 700 molecules, is unique in size and complexity, with 591 chlorophylls bound within.
Researchers investigating the effects of Internet-based learning on university students, finding mixed results in acquiring domain-specific knowledge and difficulties with critical thinking. The study also highlights the role of algorithms in shaping online learning environments.
Historical documents suggest that a mountain surveyed by Humboldt was actually Mt. Antisana, which the authors resurveyed to compare with original observations. The resurvey found that vegetation belts have shifted upwards by 215-266 meters, consistent with global range shifts.
Researchers found that West African green monkeys quickly learned the meaning of unfamiliar drone sounds and mimicked an East African vervet monkey's call to warn against eagles. This suggests that alarm call structure is deeply rooted in evolutionary history.
Researchers dismiss green growth policies due to limited emissions reductions under optimistic conditions. Degrowth strategies are necessary to achieve safe thresholds, with global GDP growth slowing to less than 0.5% required for 1.5C targets.
Research found that children from disadvantaged backgrounds, including ethnic minorities, engage in less vigorous physical activity compared to their more advantaged peers. The study suggests that promoting vigorous physical activity can help reduce childhood obesity and its associated health risks.
The global Understanding Unbelief program has found that unbelievers exhibit significant diversity in their worldview. In all six countries surveyed, majorities of unbelievers identify as having 'no religion', challenging common stereotypes. Despite this, most unbelievers endorse objective moral values and human dignity.
A recent genetic study published in Genes journal found no detectable common DNA between domestic and wild Australian dogs, contradicting myths that kelpies originated from dingos. The research characterized gene variants of both kelpie types and compared them with those in sequenced Australian dingoes.