Callichimaera perplexa is the earliest known swimming arthropod with paddle-like legs since the extinction of sea scorpions. Its unique appearance, including large compound eyes and bent claws, suggests that it may have evolved through heterochrony, a process where larval traits are retained in miniaturized adults.
Tropical Storm Lorna developed in the Southeastern Indian Ocean on April 23 and received its name on April 24. The storm has tracked east-southeast and is forecast to strengthen into a hurricane, potentially interacting with System 92S.
A new fossil crab species, Callichimaera perplexa, has been discovered, challenging our understanding of evolution and revealing a unique body form. The species has characteristics similar to crab larvae, with adults exhibiting disproportionately large eyes and oar-like legs that are the oldest record of adaptations for swimming.
Michigan State University researchers have discovered an evolutionary function in wild tomato plants that could be used by modern plant breeders to create pest-resistant tomatoes. The team identified a specific gene that produces a sticky compound, which acts as natural insect repellent and helps protect the plant from insects.
Researchers developed a video game to study spatial orientation and navigational abilities, finding that virtual navigation performance is comparable to the real world. The game was played by 4 million people and showed changes in navigational habits before clinical Alzheimer's symptoms appear.
A new study by the University of Zurich finds that schadenfreude is more likely to occur in highly competitive working environments, where one person's misfortune can facilitate another's success. The study suggests that this emotion can be contagious and lead to vicious cycles of mistreatment.
Researchers have developed 3D models of the two melatonin receptors, MT1 and MT2, which will help design drugs that interact only with these receptors, reducing side effects. The findings could lead to new treatments for sleep disorders, diabetes, cancers, and other health issues affected by melatonin.
The Ohio River Basin's freshwater fish species richness has increased significantly over the past 57 years, with a positive trend observed from 1957-2014. This change is attributed to environmental modifications related to land use and hydrology alterations, resulting in more fish species feeding on plant matter and detritus.
Researchers developed a new method to analyze sediment in mountain rivers to determine landslide frequency and residence time, revealing that most sediment remains in the river system for only ten years. This study has significant implications for understanding and mitigating landslide risk in mountainous regions.
Researchers developed a capsule-shaped photoacoustic imaging endoscope to examine intestinal changes in Crohn's disease. The device can differentiate between inflammatory and fibrotic strictures, allowing for more targeted treatment and potentially reducing adverse effects. This technology could also provide real-time diagnostic inform...
Researchers at the University of Lincoln have successfully reproduced the complex 'anti-tumour antibiotic' kedarcidin, which shows promise in treating cancer and combating drug-resistant bacteria. The breakthrough could lead to new antibiotics and anticancer agents, offering hope for millions facing life-threatening infections.
A comprehensive survey of Pacific coral reefs has shown that green sea turtle populations are increasing, driven by warmer ocean temperatures and productivity. The study, published in PLOS ONE, provides critical insights into the density and drivers of sea turtle populations across the tropical Pacific.
Researchers have developed a new device that exhibits topological superconductivity in planar structures, a key step towards scaling up quantum computing. This breakthrough combines semiconductor and superconductor materials to create a robust technology that could aid the development of fault-tolerant quantum computers.
A new study reports the basic characteristics and energy propagation processes for internal waves (NIWs) induced by sequential typhoons. The study finds that NIWs excited by large-scale wind stress exhibit distinct features, including frequency shifts due to Doppler effects and variations in vertical phase and group velocities.
Researchers at Stanford University have created a timeline of cells undergoing meiotic transition in corn, revealing two sharp jumps in gene activity. This discovery provides new insights into the process and may help plant breeders create crops with desirable traits.
A new study from Kaiser Permanente suggests that adolescents with access to SBIRT services have sustained reductions in mental health conditions and lower healthcare utilization over a period of three years. The study found that those with access to SBIRT were less likely to have mental health or chronic medical conditions after one year.
Researchers have created a new nanomachine that can deliver specific drugs to parts of the body with tight access barriers, such as pancreatic cancer and brain tumors. The Y-shaped block catiomer is less than one-fifth the size of previous nanoparticles, allowing it to pass through smaller gaps.
Researchers from the Moscow Institute of Physics and Technology found that quasars' positions fluctuate due to complex radiation effects, contradicting their long-held assumption of stability. The study's findings could improve astrometry techniques for accurate navigation systems.
Scientists at RIKEN Center for Brain Science found that impaired communication between the cortex and striatum can trigger absence epilepsy. Absence seizures, characterized by brief periods of lost consciousness, are associated with spike-wave discharges recorded on electrocorticograms.
Researchers found that Integrator complex proteins regulate Earmuff, a transcription factor that prevents dedifferentiation. This process is critical for healthy brain development. Mutations in human Integrator genes are associated with neurodevelopmental syndrome.
A Tel Aviv University study reveals that gene deletion in neurons is responsible for hypersocial behavior in Williams syndrome, caused by myelin sheath deficits. The research also identifies potential treatments using FDA-approved MS drugs.
A UC Davis and Concordia University study of nearly 4,000 families found that growing up in impoverished urban neighborhoods increases psychosis-spectrum disorder diagnoses by middle adulthood. The study suggests that early intervention through social policies and neighborhood improvements could prevent future mental health issues.
Researchers have developed a new chemical synthesis strategy, pharmacophore-directed retrosynthesis (PDR), to harvest information from natural products and identify novel, simpler derivatives. This approach may lead to selective protection of neurons and prevention of immune system rejection in organ transplants.
For long-term acne treatment, doctors are exploring combinations of therapies instead of antibiotics. Benzoyl peroxide and topical retinoids show promise in treating the condition, which affects mainly women in their 20s to 40s.
Researchers developed a new fluorescence-based test for Lewis acidity, simplifying existing methods and providing accurate measurements. The innovation could lead to improved and cheaper processes in the pharmaceutical and chemical industries.
A study of 1,022 children found febrile seizures following vaccinations have the same severity as those from other causes. Most seizures are short-lived and self-resolving, with only 6% requiring hospital treatment. The research also identified a link between infections and longer hospital stays in vaccinated children.
Researchers have identified stem cells in hair follicles that can regenerate the myelin sheath coating neurons, potentially treating nerve injuries and demyelinating diseases like multiple sclerosis. The study found that these cells can enhance functional recovery from neuronal injury.
Scientists at Rensselaer Polytechnic Institute observe the longest, slowest process directly: radioactive decay of xenon-124. The XENON Collaboration's detector picked up signals from ultra-rare double-electron capture events, marking a significant advancement in knowledge about matter's fundamental characteristics.
Researchers at IRB Barcelona have characterized the structure of BasC, a LAT family member, to understand its function and molecular defects associated with diseases like autism and age-related hearing loss. The study identifies the site where amino acids bind and reveals the mechanism underlying their interaction with cells.
Researchers at H. Lee Moffitt Cancer Center discovered a signaling pathway between cytokines and BRAF that promotes tumor growth. Blocking ITCH activity or BRAF ubiquitination may be an effective treatment approach to slow tumor growth in melanoma.
Researchers at Colorado State University investigate how genome doubling influences the biology of key crop plants, including wheat and kiwifruit. They aim to understand how energy production is altered following genome-doubling events in plant cells.
Women who take antibiotics for two months or more are at increased risk of cardiovascular disease, especially in late adulthood and middle age. The study found that long-duration antibiotic use was associated with an increased risk of heart attack and stroke in women aged 60 or older.
Researchers at UT Southwestern have found that SR-B1 and DOCK4 proteins ferry LDL particles into and across endothelial cells, driving the development of atherosclerosis. Deleting these proteins from endothelial cells reduces LDL entry and atherosclerotic plaque formation.
A team of researchers discovered human skeletons on forest islands in southwestern Amazonia that date back up to 10,000 years, indicating the presence of hunter gatherers with early signs of agriculture. The findings provide strong evidence for the antiquity and origin of these sites.
A study by Harvard T.H. Chan School of Public Health found that 27% of popular e-cigarette products contained endotoxin, a microbial agent found on Gram-negative bacteria, while 81% contained glucan, a fungus cell wall component. Exposure to these toxins has been linked to respiratory problems and inflammation in humans.
A new study published in Genome Biology identified key genomic features that may have enabled the domestication of corn and soybeans. The research found that these crops occupy a middle ground in their willingness to mutate, with higher mutation rates in modern varieties compared to their wild relatives.
Scientists at Rice University and their collaborators have discovered coal-derived 'dots' that are effective antioxidants for people who suffer traumatic brain injuries, strokes or heart attacks. The biocompatible dots can quench oxidative stress and protect cells from damage, offering a potential treatment option.
Researchers found 18 babies with ambiguous genitalia among 14,177 newborns, a frequency higher than previous studies. Lower birth weight was also linked to the condition, with preeclampsia common in those pregnancies.
A Rutgers-led study found that global warming causes twice as many ocean-dwelling species to disappear from their habitats compared to land-dwelling species. The research highlights the vulnerability of sea creatures to warming temperatures and the need for new conservation efforts.
A study of restaurant staff in Germany found low levels of food allergy knowledge and negative attitudes toward serving customers with food allergies. Factors such as education level, management status, and restaurant size influenced staff attitudes towards food allergies.
The £7m Penda project aims to evaluate interventions improving the well-being of people with disabilities in LMICs, addressing poverty, health, education, stigma, and discrimination. The project seeks to provide evidence-based policies and services that meet the needs of disabled people on an equal basis.
Researchers at UTokyo develop a new process to produce ammonia more efficiently and sustainably than the current Haber-Bosch method. The Samarium-Water Ammonia Production (SWAP) process reduces energy consumption, raw material costs, and environmental impact.
Researchers have discovered an unexpected role for the gene GRIK5 in linking vascular biology to eye disease, utilizing biobanks, electronic health records, and zebrafish. The study found reduced expression of GRIK5 associated with 18 different eye diseases, including retinal detachment, cataract, and glaucoma.
A novel fluorescence probe technique reveals the distribution of active lithium on lithium metal anodes, enabling differentiation between dendrites and dead lithium. This technique aids in understanding battery malfunctions and optimizing new battery structures.
A study by Carnegie ecologists found that climate change is a key factor in increasing nitrogen runoff into US waterways, exacerbating eutrophication. The research analyzed historical trends and found that warming temperatures and precipitation patterns are directly linked to higher nitrogen levels.
The Columbia Mailman School's John Rowe identifies five principal domains for measuring successful aging: Productivity and Engagement, Well-Being, Equity, Cohesion, and Security. Middle-income elders will face challenges in education, work, retirement, healthcare, and housing.
Scientists from the Monell Center have discovered that humans possess functional olfactory receptors in their taste cells, challenging the long-held belief that smell and taste are independent sensory systems. This groundbreaking finding may lead to the development of odor-based taste modifiers to combat diet-related diseases.
Researchers found a significant reduction in strokes and heart attacks with low-dose blood thinner use in patients with worsening heart failure or coronary artery disease. The study, published in JAMA Cardiology, suggests that this strategy may improve outcomes for patients at risk of subsequent issues.
A consortium of researchers from Portugal has developed a proof-of-concept experiment to produce a new blood-derived product by applying PEF to platelet concentrates. The process ensures the valorization of discarded components, providing a valuable source for cellular therapies and regenerative medicine.
Researchers developed a first-of-its-kind elastic polymer blend that displays white fluorescence when deformed and then goes dark after relaxing. The material's color can be tailored by using different fluorescent rings, enabling the creation of a white-light-emitting polymer.
Seafloor mapping reveals active fault zones with potential to trigger tsunamis in the central Salish Sea, affecting islands and coastal areas of the US. Researchers warn of increased tsunami risk due to recent fault activity and unstable Cascadia Subduction Zone.
A clinical trial has shown that targeted therapy tagraxofusp is effective in treating blastic plasmacytoid dendritic-cell neoplasm (BPDCN), a rare and aggressive blood cancer. The therapy, which targets the CD123 protein, has been approved by the FDA for use in BPDCN patients.
Chemists at the University of Innsbruck have created a novel red phosphor called SALON, which emits light in the visible red range and reduces energy loss. This breakthrough could lead to more efficient white LEDs with improved color quality.
Researchers found that mechanically stretched carbon nanotubes can extract heat efficiently, making them a promising material for cooling flexible electronic devices. This technology could be an efficient alternative to traditional vapor-compression refrigerators, reducing ozone depletion and global warming.
Researchers at University of Toronto have developed an automated method to design and 3D print magnetized microrobots, reducing assembly time from hours to minutes. The new technique allows for the creation of smaller and more complex robots with potential applications in targeted drug delivery, assisted fertilization, and biopsies.
Consumer demand for natural ingredients challenges perfumers to find sustainable scents. Many natural ingredients lack responsible sources, driving prices and supply fluctuations.
A study found prolonged exposure therapy to be more effective in reducing PTSD symptoms and heavy drinking in veterans with both conditions. The treatment also led to higher rates of PTSD remission compared to a coping skills therapy approach.
Researchers at HZDR modify magnetic behavior of exotic materials Cs2CuCl4 using high pressures, revealing unusual magnetic properties and potential applications in quantum computing. The study contributes to the understanding of geometrically frustrated crystals.
A study by Brown University researchers found that stroke patients who receive more physical therapy have lower readmission rates, with those receiving 75 minutes or more of PT being 14% less likely to be readmitted. However, the amount of occupational therapy had minimal impact on readmission risks.
Researchers found that microbes consume and trap carbon sinking into the trench off Costa Rica's Pacific coast, potentially influencing geological processes on similar scales as volcanoes. This discovery has important implications for understanding carbon movement from Earth's surface into its interior over geological timescales.