Male fiddler crabs produce female-luring vibrations in their burrows, serving as a type of 'Morse code' that females decipher to learn about suitors. The length and interval of pulses convey information on male characteristics, influencing female decision-making during mating.
A study by Purdue University reveals that honeybees collect pollen from non-crop plants contaminated with a wide range of pesticides, including pyrethroids and neonicotinoids. The researchers found that bees are chronically exposed to these chemicals throughout the growing season.
Researchers develop novel herringbone structure in dactyl club, enabling incredible damage to prey while resisting fracture. The unique structure is composed of crystalline calcium phosphate and chitin fibers, offering a new pathway to create ultra-strong composite materials.
A team of researchers at Johns Hopkins University has identified a key brain region involved in binge behavior, which could lead to the development of new treatments for addiction. By suppressing neurons in this area, rats were less motivated to engage in binge-like behavior when exposed to external triggers.
Researchers observe thousands of Hemiphlebia mirabilis in Australia, revealing a unique mating system and high sperm competition mechanisms. The species displays elaborate abdominal flicking displays, suggesting an advanced courtship behavior.
A joint university team is using field and laboratory tests, computer modeling, to evaluate the level of vibration six rock-based lighthouses endure from constant sea battering. The study aims to understand how climate change affects lighthouse longevity.
Research by McGill University scientists found that juvenile zebra finches learned adult songs better when interacting with an adult, mimicking human-like speech adjustments. The study suggests social interaction can enhance vocal learning, which may have implications for treating autism and other developmental disorders.
Scientists have developed a new nanoscale probe to study electrochemical properties, which could lead to significant improvements in battery and fuel cell performance. The device can measure local variations in material properties, allowing researchers to better understand how electrochemical systems work.
Georgia State researchers discover a new class of protein, ProAgio, that effectively targets the cell surface receptor integrin v3, linked to various diseases including cancer. ProAgio induces apoptosis, killing pathological cells and preventing tumor growth, with minimal toxicity to normal tissue.
A study found that nearly 82% of children with concussion initially sought care through primary care, rather than the emergency department. This highlights the importance of training primary care clinicians in concussion diagnosis and management.
Physicists observe nanoscale light-matter phenomenon lasting only attoseconds, studying collective electron motions and near fields in gold nanoneedles. The development enables precise characterization of near-field vibrations, paving the way for complex studies of light-matter interactions in metals.
The EU-funded project EU BON provides conceptual and practical advice for implementing available data sharing and publishing tools. The report highlights two main challenges facing the biodiversity data community: a lack of unified user interfaces and gaps in data coverage and quality.
Carl Wieman, a Nobel laureate in Physics, has received the 2016 Gutenberg Teaching Award for his exceptional contributions to the dissemination of knowledge and quality of academic teaching. The award recognizes his efforts to improve undergraduate science education through innovative approaches and tools.
New research by Dr. Steven Laviolette suggests that opiate-induced changes in brain circuits can be reversed, targeting dopamine signalling and protein adaptations to prevent or reverse addiction. The findings aim to inform approaches to addiction treatment and develop more effective pharmacological interventions.
The Wyss Institute aims to discover why some individuals tolerate infectious pathogens while others exhibit life-threatening responses, which could inform the development of novel therapies. The project will search for and identify examples of tolerance across several species through experiments with clinically-relevant pathogens.
Scientists developed an approach for non-invasive testing of pregnant women with preeclampsia, identifying potential peptide biomarkers in their urine. The study found 35 potential biomarkers associated with the condition's severity.
Chronic stress alters the architecture of the brain's amygdala, leading to anxiety and depressive disorders. An experimental new drug may prevent this damage by increasing resilience in mice at risk for developing these conditions.
Astronomers at Lund University propose that Planet 9, a mysterious object in our solar system, may be an exoplanet captured by the sun. The study suggests that the sun stole the planet from its original star during a close encounter.
A novel cellular membrane protein called TSPAN2 has been identified as a key player in beta-cell apoptosis. The study suggests that targeting TSPAN2 could become a new treatment strategy for type 2 diabetes.
Researchers are developing imaging biomarkers and optical imaging tools to screen for ovarian cancer, a 'silent killer' of women. The goal is to enable early detection and save lives.
A consortium of researchers from the University of Southampton and other institutions is leading a project to calculate the role of physical pond conditions in controlling two devastating pathogens affecting Asian aquaculture. The team aims to develop new guidelines for disease management and novel intervention methods.
Researchers found that tobacco smoke increases the likelihood of certain bacteria like Porphyromonas gingivalis colonizing the body. Biofilms formed by these pathogens can be difficult to eradicate and promote antibiotic resistance.
Researchers identified the mediodorsal thalamus as a key brain area involved in rapid information processing and decision-making. The study found that monkeys with lesions to this area struggled to adapt their behavior and make informed choices.
Researchers at UVA Health System have identified promising drugs that could lead to the first antidote for radiation exposure from dirty bombs or nuclear accidents. The study suggests that these compounds, including rapamycin, might alleviate the effects of ionizing radiation.
A national study led by Michigan State University sociologist Zhenmei Zhang found that blacks are 2.52 times more likely to develop cognitive impairment than whites due to childhood disadvantages and lower socioeconomic status in adulthood. Reducing racial gaps in socioeconomic resources is crucial to addressing this issue.
Researchers discovered that people are more likely to act on and resist changing their moral opinions compared to non-moral ones. The 'moral' label instantly makes an opinion stronger and more resistant to counterarguments.
A new study published by Concordia University researchers confirms that cool roofs provide net energy and monetary savings in colder climates. Using modelling software, they found annual energy expenditure savings of $4-14 per 100 square meters in four cold-climate cities.
A whole-person perspective is needed to accurately assess obesity severity, considering factors like muscle mass and ethnicity. The review article suggests staging obesity treatment from stage 0 to stage 4, with intensive lifestyle modification being crucial for preventing disease progression.
Researchers at Cornell University have created an 'on-the-fly' 3-D print system that allows designers to make changes while printing, improving the overall quality of the design process. The system uses a WirePrint technique and has five degrees of freedom, enabling rapid prototyping and modification.
Researchers capture pressure, temperature and chemical species maps for each explosion, reducing the need for multiple shots. The technique uses pyrometry and high-speed cameras to achieve spatial resolution of 1 mm for a 1 kg explosive charge.
Researchers have discovered a new type of weak topological insulator, made from bismuth combined with iodine or bromine, which could lead to significant advances in technology. The material's unique properties make it an attractive option for creating new transistor-like technologies and powering quantum computers.
Researchers found that treatment with an anti-platelet drug reduces amyloid plaques in cerebral vessels, improving brain perfusion. Alzheimer's disease is characterized by the formation of protein agglutination and deposits of amyloid in the brain, leading to progressive cognitive decline.
A study published in PLOS Medicine found that recently developed hepatitis C medicines have a wide range of prices globally, with the US having the highest nominal price. The researchers also calculated that treating the entire HCV infected population in some countries could be as expensive as 190% of the total pharmaceutical expenditure.
Researchers create simulation model to account for sphere roughness in experiments, enabling accurate measurements and electrical conductivity. The model predicts a sweet spot for optimal contact area, reducing friction and minimizing damage.
Researchers found that female atrial fibrillation patients are less likely than men to receive blood thinning therapies. The study used a computerized decision support tool to review medical therapies for over 1,500 patients and found significant sex differences in treatment.
A new study from CHOP and CDC found that 82% of concussions among 0-17 year olds were diagnosed at primary care sites, while only 12% were in the emergency department. Early diagnosis and treatment are crucial for concussion recovery, and targeted training can help primary care providers diagnose and treat most cases.
Researchers discovered that stick insects can produce microbial enzymes, including pectinases, which degrade plant cell walls. This 'horizontal gene transfer' occurred between 110 to 60 million years ago, allowing the insects to break free from their microbiome's digestive capabilities.
Researchers used RNA simulations to understand how viruses fold into specific shapes, offering potential targets for treating retroviral diseases. The study's findings provide valuable information on the thermodynamic stability of RNA molecules and their behavior in different environments.
A UTSA professor's top-tier research shows that clearly stated company values and vivid vision statements have a profound effect on overall success. The study reveals organizations with well-coordinated employees operating under consistent, easily imagined visions outperform those without such focus.
Microglial cells have been found to be 'blind' and incapable of eliminating dead neurons during epilepsy seizures, leading to inflammation and further brain damage. The study opens up new avenues for exploring therapies to encourage phagocytosis and alleviate the effects of brain diseases.
A UM researcher is leading an international campaign to study the impact of smoke particles on regional climate warming. The experiment will investigate how smoke affects marine low clouds in the southeast Atlantic Ocean. By understanding this interaction, scientists can improve global aerosol models and climate change forecasts.
A novel type 2 diabetes risk model has been developed to better understand disease progression, revealing people on atypical trajectories face significantly increased or decreased risks of developing T2D. The new model has overcome challenges associated with estimating T2D onset based on comorbid conditions.
The Yale University-led PROSPECT experiment will explore key questions about neutrinos and potentially improve nuclear reactor safety. It aims to detect and measure the energy distribution of neutrinos near a research reactor with unparalleled sensitivity.
A study published in Journal of the American Geriatrics Society found that doctors and non-doctors in the US experience similar levels of hospital care and intensive care unit stays at the end of life. More than 46% of doctors enrolled in hospice care compared to 43.2% of non-doctors, suggesting a shift towards more palliative care.
A recent study published in Nuclear Fusion indicates that coaxial helicity injection can improve the efficiency of doughnut-shaped fusion machines. The simulation results show that narrowing the magnetic loop's extension into the tokamak vessel can close up to 70% of field lines, increasing current flow and magnetic fields.
Researchers developed a method to assess and compare the environmental impact of green products, allowing purchasers to maximize environmental benefits under budget constraints. The Hotspot Scenario Analysis-Procurement Portfolio Optimization (HSA-PPO) method estimates savings of up to 54% in greenhouse gas emissions and water use.
A study published in Molecular Biology and Evolution identifies ultraconserved elements (UCEs) essential for animal development. Researchers found that UCEs act as hubs to allow genome access for multiple proteins, contributing to the extreme DNA sequence conservation observed.
Researchers found that Alaskan brown bears migrate between shallow spawning grounds to exploit varying salmon spawn times, allowing them to access the resource over a longer period. This 'surfing the salmon red wave' behavior showcases sophisticated foraging behaviors in wildlife.
Researchers found that a three-year absence of fire is the tipping point for the tallgrass prairie ecosystem, and increasing burning frequency can help prevent it from transitioning to woodland. The study suggests that land managers in the Flint Hills need to increase burning to more than once every three years.
Engineers successfully created a hydrogen-producing enzyme that works as efficiently as the natural version, without needing platinum. The artificial variant replaces sulphur with selenium and retains its biochemical properties.
Physicists at Lomonosov Moscow State University propose a theoretical model for analyzing the conformational behavior of hydrophobically modified polymer gels in solution. The model explains experimentally observed phenomena and reveals new ways to control gel susceptibility, promising applications in drug delivery systems.
Scientists have developed a new method to assemble technologically relevant, non-polymorphic crystals through computer simulations. By tuning the size of polymer additives, researchers can stabilize desired crystal structures against competing polymorphs.
Researchers found that human activities drive disease distributions at local scales for diseases like West Nile virus and Lyme disease, while climate change impacts regional scales. The study highlights the importance of considering multiple spatial scales to understand human ecological impacts on biodiversity and disease emergence.
Dr. Andrea Ferrante is studying the molecular processes governing vaccine efficacy with a $1.6 million grant. Her goal is to create safer and more effective vaccines by understanding the role of dendritic cells in triggering an immune response.
Researchers at the University of Bristol discovered that bumblebees' tiny hairs deflect in response to electric fields, but only the hairs alert the bee's nervous system. This finding suggests that electroreception in insects may be more common than previously thought.
Geophysicist Professor Boris Kaus of Johannes Gutenberg University Mainz has received a EUR 150,000 ERC Proof of Concept Grant to test new methods for locating oil and gas reserves in sedimentary basins with salt deposits. The grant aims to demonstrate the economic feasibility and cost-reducing potential of these methods.
The study reveals that mutations in the enzyme DHHC9 lead to reduced neuron growth, branching, and excitability, while affecting inhibitory synapse formation. This understanding can help identify novel therapeutic targets for neurodegenerative and psychiatric diseases.
Researchers discovered that a molecule involved in fish reproduction, PGF2α, activates the brain via the nose, synchronizing reproductive behaviors between male and female zebrafish. The molecule binds to specific olfactory receptors, activating a dedicated neural pathway to areas of the brain responsible for courtship behavior.
Researchers developed a new contrast agent to monitor stem cell treatments inside the body using MRI scans. The agent addresses technical challenges such as toxicity and accumulation in cells, offering improved resolution and sensitivity.
New research suggests that next-generation gene sequencing can rapidly diagnose rare diseases in newborns, providing timely molecular diagnoses and potentially life-saving interventions. The technique has shown diagnostic success rates of up to 40% in a pilot study of 20 infants with complex medical issues.