Researchers at UMD discovered that mosquitoes lack a critical gene for proper body segmentation, but a related gene took its place. This finding highlights the importance of caution in genetic studies and offers new potential avenues for targeted mosquito control strategies.
A new study finds that Greenland's rate of ice loss in the 21st century could be greater than anything seen in the past 12,000 years due to human activities. The research uses ice sheet modeling and ancient climate reconstructions to understand the past, present, and future of the Greenland Ice Sheet.
A recent study published in Nature Immunology describes the crucial role of neutrophils in boosting the immune response against viral infections. By sacrificing themselves, these cells release essential molecules that help activate specialized T cells to target and destroy infected cells.
A new study published in Current Biology reveals that subanesthetic ketamine is effective in treating adult amblyopia, also known as 'lazy eye', by reactivating brain plasticity. The treatment promotes functional recovery of visual acuity defects resulting from the condition.
A Texas A&M University study reveals that marine heatwaves can strengthen hurricanes by combining with extreme weather events. The research found that Hurricane Michael became a Category 5 storm due to the compounding effects of Tropical Storm Gordon and an atmospheric heatwave in the Gulf of Mexico.
Researchers from the University of Portsmouth and Royal Botanic Gardens, Kew, have created a new checklist to guide plant breeders in growing crops more sustainably. The tool helps breeders understand species better and find ways to increase growth using wild plant species.
A study by Johns Hopkins Medicine researchers found that methamphetamine use increases the risk of casual sex without a condom, particularly among those with higher sexual desire. The study demonstrated that intense sexual arousal leads to rapid shift in preference for using a condom.
Breast and lung cancer cells use the Slit2 protein, normally produced by neurons, to signal their migration. This intricate mechanism enables them to escape primary tumors and spread to other organs. The findings could lead to novel diagnostics and treatments for metastasis.
A randomized clinical trial found daily hydroxychloroquine did not prevent SARS-CoV-2 infection in hospital-based healthcare workers. The trial was terminated early due to lack of efficacy.
Research on fences, a ubiquitous human landscape alteration, highlights profound ecosystem consequences of movement restriction. Fences have been found to isolate specialist species, alter community composition, and disrupt turtle migration patterns.
A young man suffering from severe aplastic anemia has been given a life-saving blood transplant using the UM171 molecule, which increases stem cell production and reduces immunological complications. The procedure was performed by a medical team at the Institute of Hemato-oncology and Cellular Therapy.
Researchers at ICFO have developed a new class of broadband solid state light emitters based on colloidal quantum dot technology, enabling efficient and compact infrared emission. The devices achieve outstanding photon conversion efficiency of up to 25% and tunable emission spectra, paving the way for various applications including spe...
A team of researchers, led by Jingtong Hu from the University of Pittsburgh, aims to apply artificial intelligence to remote sensors deployed in hard-to-reach areas. By leveraging energy-harvesting technology, they plan to save power on sensor devices and increase their lifespan.
A new study reveals that microglia, immune cells in the brain, regulate behavioral responses by sensing neuronal activation and providing negative feedback. This novel mechanism of neuromodulation has implications for treating neurodegenerative and inflammatory diseases.
A new study found that cardiac arrest is common in hospitalized COVID-19 patients, with poor survival rates despite CPR efforts. The study, led by Michigan Medicine researchers, analyzed data from 68 US hospitals and found that patients admitted to ICUs for COVID-19 had a 14% risk of cardiac arrest within two weeks.
Researchers have identified NRXN1, a cell adhesion molecule, as a potential target for antibody-drug conjugate (ADC) therapy in small cell lung cancer. The study found that targeting NRXN1 with ADCs exhibited anti-tumor activity in SCLC cells.
Researchers investigated urban grime samples from US cities, revealing that it absorbs sunlight, which can speed up or slow down chemical reactions affecting air and water quality. The study found differences in ion levels between North American and European cities.
A new study suggests that the pandemic may lead to an increase in breast cancer deaths, but delaying or increasing capacity can lower this risk. Increasing staff and equipment would be needed for a full catch-up, but a temporary age limit raise or re-starting as normal with final screenings could be effective alternatives.
A study found that video messages are significantly more effective than text-only messages in influencing parent smokers' intentions to protect their children from secondhand smoke. Videos depicting the risks and solutions were most effective, especially when including recommendations for cessation and exposure reduction.
A recent study by University of Kentucky researchers uses new technology to identify receptors responsible for encoding the complex odor of cigarette smoke. The study's findings could lead to the development of blockers to improve smoking cessation rates, which are notoriously low.
A new study published in the New England Journal of Medicine found that female primary care physicians generated 11 percent less revenue than their male counterparts, despite spending 2.4 more minutes per visit on average. This suggests that the current system of paying doctors based on volume may be a flawed measure of work effort.
A team of Georgia State scientists aims to use fMRI data to help psychiatrists predict response to medication, potentially reducing the time it takes to receive an accurate diagnosis and get on the right treatment. The tool has shown over 90% accuracy in predicting medication outcomes on previous data sets.
A study by Haizhou Liu and colleagues reveals that corroded cast iron pipes can react with residual disinfectants to form Cr(VI), a known carcinogen. The researchers suggest using less-reactive disinfectants and replacing cast iron pipes with chromium alloy could help mitigate Cr(VI) levels in drinking water.
A study by UCR astrobiologist Stephen Kane suggests that Venus was likely habitable a billion years ago due to its more circular orbit. The findings could provide insights into how the Earth became habitable and what went wrong for Venus, which now has surface temperatures of up to 800 degrees Fahrenheit.
A study of critically ill adults with COVID-19 found that cardiac arrest is a common occurrence, associated with poor survival rates. Patients who received CPR had improved survival rates, but only a small percentage survived with normal neurological function.
Researchers found that rapeseed protein consumption has similar beneficial effects on glucose metabolism and satiety compared to soy protein. Rapeseed protein may also be a valuable alternative to soy due to its availability in the by-products of rapeseed oil production.
A collection of articles reviews the literature on using isokinetic testing to measure muscle strength in older adults with conditions such as COPD and stroke. The studies provide evidence for the validity and reliability of isokinetic strength testing, but highlight limitations in responsiveness and practicality.
A computer-based training program has been developed to reduce negative responses to social conflict by minimizing hostile attribution bias. The training exposes participants to ambiguous word fragments that can form either aggressive or non-aggressive words, helping them to differentiate between the two.
Coral Gardens Reef in Belize remains home to thriving Acropora spp. coral, providing an exception to the species' decline across the North Atlantic/Caribbean region. The reef has been consistently habitable since at least the 1980s and up to November 2019.
Researchers used zebrafish embryos to visualize the interactions between nanoparticles and cells, revealing that protein coronas can make nanoparticles appear non-self to cells. This understanding could lead to improved targeted drug delivery systems.
Researchers have developed a new technique to fabricate tiny circuits from ultrathin materials for next-generation electronics. Plants are being engineered to produce new molecules with enhanced properties, while lignin is transformed into a precursor for a useful chemical with wide range of applications
A $5 million NIH grant will help identify disease hotspots and testing deserts in vulnerable populations in Texas, aiming to increase COVID-19 testing. Researchers will develop and evaluate intervention strategies to address these disparities, focusing on three racially diverse areas with high infection rates.
The Mark Foundation has launched a new funding program for novel cancer therapeutics. Two projects have been selected, focusing on Ewing sarcoma and leukemias, targeting USP7 and CBP/p300 enzymes with highly selective inhibitors.
A Phase 1 trial of an investigational mRNA COVID-19 vaccine has shown that the vaccine is well-tolerated and generates a strong immune response in older adults, with comparable efficacy to younger age groups. The study enrolled 40 healthy volunteers aged 56-71 years, who received two doses of the vaccine.
Researchers trained an AI to rapidly assess post-disaster building damage using convolutional neural network (CNN) technology. The model achieved accuracy rates of approximately 94% in classifying building damage levels, making it a valuable tool for crisis responders.
A study of Latino caregivers found that poorer cognitive performance at a single testing point was associated with impairments in daily activities seven years later. The study suggests maintaining cognitive health in middle-age and older adulthood is crucial for independence.
Global warming is affecting nighttime temperatures differently, with more than half of the global land surface experiencing greater night-time warming. This 'warming asymmetry' has significant implications for plant growth and species interactions.
Researchers have confirmed the existence of a supernova that exploded near Earth 2.5 million years ago, producing iron-60 and manganese-53. The discovery was made using ultra-trace analysis, which detected the presence of these elements in ancient sediment layers.
Experts argue that the assisted dying debate needs a radical shift in perspective, moving beyond a medical framework. Studies show that depression, hopelessness, and perception of being a burden are stronger predictors of desire to hasten death.
The study found that long-period buildings experienced the most amplification of shaking from the Ridgecrest earthquake, with maximum amplification occurring in the western part of the L.A. basin and the south-central San Fernando Valley. This could result in high-rise buildings in those areas experiencing shaking four times larger tha...
Researchers evaluated deferred vs expedited aortic valve replacements for patients with severe aortic stenosis during the pandemic. The study found that delayed surgery may not significantly increase mortality rates, offering hope for those on waiting lists.
Researchers identified Clostridium innocuum as the microbial invader triggering 'creeping fat' in Crohn's patients. The initial response is protective but can contribute to severe intestinal scarring and fibrosis.
Researchers identified Paenibacillus species as the causative agent of post-infectious hydrocephalus (PIH), which affects millions of children worldwide. The discovery has the potential to reduce morbidity and mortality by shifting treatment from surgery to antibiotics and vaccines.
Researchers have mapped out an atlas of the latent virus reservoir cells of eight individuals living with HIV, challenging previous assumptions about its makeup. The study used a new approach to backtrack reactivated reservoir cells to their original latent state, revealing distinct areas and shared markers across different tissue types.
A team of scientists at ICFO has developed a graphene-based bolometer that can detect microwave photons with extremely high sensitivities and fast time responses. The device uses a microwave resonator to generate photons, which are then detected through the heating of graphene.
Researchers have discovered 572 previously unknown rock art images in northwest Arnhem Land, dating back between 6,000 and 9,400 years. The images depict large, naturalistic humans and macropods with animals often shown more frequently than human figures.
Researchers at RIKEN Center for Brain Science discovered a brain region called the SuM that detects new social experiences and segregates them from unfamiliar places. This finding can help understand normal memory and conditions where recognizing new information is impaired.
Researchers at University of Maryland Baltimore County identified three coordinated pathways in filamentous fungi responding to cell wall stress. By understanding how cells work and respond to stress, scientists can develop new processes for improving crop quality and creating pharmaceuticals.
A new study provides substantial evidence that a Jurassic fossil feather belongs to the iconic Archaeopteryx, a bird-like dinosaur. The research found that the feather matches a type of wing feather called a primary covert, identical in size and shape to those on an Archaeopteryx wing.
A US researcher has received a National Multiple Sclerosis Society grant to identify compound analogues that can repair damaged axons in multiple sclerosis. The project aims to find a new treatment avenue that speeds up nerve impulses and promotes myelin repair.
A new tissue-transport device inspired by wasp egg-laying organs may enable minimally invasive surgery in previously hard-to-reach areas, reducing trauma and recovery time. The device uses friction forces to transport tissues, potentially overcoming challenges faced by current suction-based devices.
A Dartmouth study reveals that sexist attitudes have a greater influence on how voters view politicians accused of sexual misconduct than partisanship. The study found that favorability and electoral support decreased after respondents read about allegations of sexual assault or sexist jokes, with stronger reactions to the former.
Researchers at UNSW Sydney have analyzed the costs of producing green hydrogen using electrolysis and solar power, finding that it can range from $2.89 to $4.67 per kilogram. The cost is influenced by factors such as electrolyser efficiency, available sunlight, and capital costs of electrolysers. To make green hydrogen more competitive...
A computer model reveals that a specific region of the SARS-CoV-2 spike protein acts as a superantigen, triggering a massive immune response and leading to severe inflammation in some COVID-19 patients. The study also suggests that therapies targeting toxic shock syndrome may be effective for managing MIS-C and cytokine storm in adults.
Researchers studied feeding habits of 17 fish species and found that most responded to changing prey abundance by switching to the most abundant prey. However, planktivores and benthivores were less likely to consume more food when invertebrate prey was abundant, suggesting disorientation or confusion may occur.
A new study published in Child Development found that young children conceptualize leadership as a hierarchy based on voluntary deference and respect. Children expected a leader to contribute more to joint goals and withdraw an equal share from common prizes, but judged leaders harsher for not adhering to these behaviors.
A new electronic stent design is being developed to continuously monitor coronary artery disease in real-time, providing a unique solution to prevent restenosis. The device will offer long-term monitoring capabilities without the need for frequent follow-up visits.
Researchers at UIC will develop specialized sensors to enable drones to adapt to various fuel types, expanding their range and capabilities. The funding will also support the education of students in combustion, sensing, and optimization.
A new disease affecting maize has been discovered by researchers at the University of Göttingen, caused by an aggressive strain of the fungus Trichoderma. This discovery raises concerns about the potential risks of using organic plant protection products in agriculture.
A new study reveals that genetic variants from a 50,000-year-old Neanderthal from southern Europe are associated with an increased risk of severe COVID-19. Carriers of these variants have up to three times the risk of requiring mechanical ventilation, highlighting the importance of genetics in disease severity.