A large Swedish study found that first-born children have a lower risk of cardiovascular events, while people with lots of siblings are more likely to experience these events. The study also suggests that family size may play a role in cardiovascular health.
Scientists from the University of Bath explore racemases, critical enzymes linked to cancers and other life-threatening diseases, and propose strategies for finding drugs that neutralize them. Lab experiments show promising outcomes in targeting these enzymes, with potential applications in treating various diseases.
A new project aims to develop a sustainable alternative to disposable plastics in take-away food packaging using upcycled grass fibres. Replacing plastic with bio-based packaging can reduce carbon emissions from production by approximately 210,000 tonnes CO2 annually.
Researchers developed an AI system to guide oncologists in treating head and neck cancer patients, considering treatment efficacy and potential future decisions. The system analyzes real patient data to provide personalized recommendations and maximize survival outcomes while minimizing chemotherapy and radiation side effects.
Construction firm Nationwide Engineering has made history by pouring the world's first sustainable graphene concrete slab in a commercial setting. The innovative material is strengthened by 30% compared to standard concrete, significantly reducing material use and carbon footprint.
Researchers will discuss fundamental questions and applied technologies in physics, including dark matter, quantum information science, and ultrafast physics. New findings on creating unusual non-local interactions and detecting COVID-19 biomarkers with ultrasensitivity will also be presented.
Researchers found that army ant mass raids originated from group raiding behavior in smaller colonies, with a massive increase in colony size correlating to the evolution of mass raids. The study uses custom computer vision software to track individual ants and analyze their behavior.
Researchers found silver nanoparticles' shape transformed from triangles to circles after interacting with E. coli cells, affecting their optical properties. The study suggests silver is 'consumed' by the bacteria without impacting its antibacterial properties.
The LHAASO observatory detected 12 Ultra-high Energy gamma-ray sources, prompting the presence of active or recent PeVatrons. The team identified possible candidates, including pulsar wind nebulae and supernova remnants.
The C-Path Virtual Workshop will focus on implementing endpoints and outcome measures for clinical trials in new-onset type 1 diabetes. Over 300 attendees, including researchers, pharmaceutical representatives, and regulatory experts, are expected to participate in the two-day virtual event.
Researchers recreated Quark-Gluon Plasma using Large Hadron Collider and analyzed its collective expansion. The study found that the plasma evolved from a fluent liquid form to a more solid state, changing its shape over time, which is surprising and different from other matters.
Researchers from the University of Tsukuba have identified two metal-independent carbonic anhydrase enzymes that improve our knowledge of the global carbon cycle. These enzymes may play a crucial role in CO2 metabolism, particularly in metal-poor environments.
A new AI-powered algorithm, WeakGCSeg, accurately detects and tracks ganglion cells in the retina, surpassing human expertise. This technology enables early diagnosis of neurodegenerative diseases like glaucoma, improving treatment options.
Researchers at The University of Tokyo have developed a new method to recycle discarded fruit and vegetable scraps into strong construction materials. The process uses vacuum-dried, pulverized food scraps, such as seaweed and cabbage leaves, and produces materials that are at least as strong as concrete.
Researchers at the University of Oxford discovered that infants aged 12-16 months exhibit a tendency to attribute social dominance to individuals with supernatural powers. In experiments, infants expected characters using counterintuitive methods to win rewards, suggesting they perceive these abilities as superior.
Scientists have discovered that slow oscillations and sleep spindles play a crucial role in memory formation and consolidation, with the precise combination of these patterns creating windows for reactivation of previously learned information. This process helps solidify memories in long-term stores and improves recall.
Researchers map kidney stone formation from tiny to troublesome, revealing microspherules merge to form larger crystals, and stones undergo multiple cycles of partial dissolution and growth. The new classification scheme and GeoBioCell device aim to accelerate research, diagnostic testing, and individualized treatment targets.
A new study reveals that creating serendipity in the marketplace increases consumer satisfaction and enjoyment. Marketers can capitalize on this effect by providing positive, unexpected, and chance encounters, but educating consumers about products can eliminate the serendipity effect.
Phytochromes help plants detect light direction, intensity, and duration, as well as temperature, allowing them to adapt to various environments. The study fully characterized the phytochrome family in Arabidopsis thaliana and found surprising differences between isoforms.
Researchers developed an analytical model to predict contaminant spreading in fractured porous media, considering geological and physical parameters. The model can help assess the risks associated with waste disposal facilities and chemical spills, enabling informed decision-making for public health and resource allocation.
Researchers estimate that UK road verges, covering 1.2% of land in Great Britain, can be managed for nature by reducing frequent mowing and planting trees. This approach could create better habitats for pollinators, capture carbon, and contribute to the UK government's tree-planting ambitions.
A new comparative study by Nordicom at the University of Gothenburg reveals that Swedish and Danish journalists perceive their role as monitorial to a greater extent than journalists from other Nordic countries. Finnish journalists, on the other hand, feel most strongly influenced by politics.
A team of researchers at Texas A&M University used experimental cellular evolution to study how cells respond to controlled mechanical properties. They found that cellular mechanosensing is not optimal but a tradeoff, and that cells can evolve under selection pressure from biomaterials of controlled stiffness.
Researchers discovered that superoxide-producing cells in the inner ear cochlea increase with aging, noise damage, and ototoxic drugs, leading to age-related, noise-induced, and drug-induced hearing loss. Suppressing superoxide production or using Nox3 inhibitors may lead to new treatments for acquired hearing loss.
This study investigated the relationship between bitter taste receptors and clinical outcomes in COVID-19 patients, finding that supertasters experienced more severe symptoms than tasters and nontasters. The research suggests that bitter taste perception may be linked to individual differences in immune response and disease severity.
A new study published in Nature Communications reveals clues about molecular changes underlying muscle loss tied to aging. The researchers found that using molecular compounds increased the regeneration of muscle cells in mice by activating precursors of muscle cells, called myogenic progenitors.
Researchers found that T cells can make mistakes when identifying healthy cells from infected ones, even when binding tightly to antigens. This discovery may lead to new treatments for autoimmune diseases and improve cancer therapies.
A team of plant pathologists found a protein that naturally enhances wheat resistance to head scab, reducing mycotoxin production. The discovery opens new research avenues and highlights the need to better understand reactive oxygen species connection to disease.
Research finds that small chloroplasts in plant epidermal cells play a crucial role in controlling the entry of fungal pathogens. The study reveals that these chloroplasts migrate to the surface layer in response to fungal attacks, blocking their invasion into plant cells.
A UTA research team is testing a geothermal de-icing system on an operational bridge to assess its performance under real-world conditions. The system, designed by Xinbao Yu and Anand Puppala, uses heating fluid to melt ice and snow from beneath the bridge deck.
A study by Penn State and Quest Diagnostics researchers found a 63% decrease in STI testing for men and 59% for women during the early months of the pandemic. This may lead to an increase in future STI cases, potentially resulting in adverse health outcomes such as pelvic inflammatory disease and infertility.
A new study published in European Journal of Anaesthesiology found that NOL pain monitoring technology can detect the effect of dexmedetomidine on patients' pain response, enabling administration of less intraoperative opioids. The study demonstrated the potential for significant opioid sparing during surgery.
Patients with REM sleep behavior disorder show signs of low blood flow and cognitive decline, suggesting a link between disrupted sleep and Parkinson's symptoms. The study aims to investigate the relationship between reduced blood flow and Parkinson's disease progression.
Researchers from South Ural State University and the Russian Academy of Sciences have synthesized six new acetylthioglycoside derivatives with potential anti-cancer effects. The compounds are based on a dithiolothionic cycle, which releases hydrogen sulfide, carbon monoxide, and nitric oxide.
Scientists investigate 'bite' defects in armchair and zigzag graphene nanoribbons, finding they can disrupt electronic transport but also yield spin-polarized currents. The study aims to minimize the detrimental effects of these defects on charge transport for next-generation nanotechnologies.
A new study suggests that exempting asthma medications from the deductible in high-deductible health plans may reduce medication use and exacerbations in children, but not adults. The research found small decreases in annual fills for some controller medications among children switching to HDHPs.
Researchers discovered that semi-aquatic anoles use a bubble to re-oxygenate the air they exhale, allowing them to stay underwater for extended periods. The lizards' hydrophobic skin facilitates this process, which is essential for their survival in aquatic habitats.
Researchers at Ruhr-Universität Bochum discovered two new attacks that break PDF certification signatures, enabling attackers to implant malicious code and insert fake content. The team tested 26 PDF applications, with 24 of them vulnerable to at least one attack.
A new study reveals that coal fly ash makes up a significant portion of particulate organic carbon carried by the Yangtze River in China. The study found that human activities, such as coal burning, have an outsized impact on river sediment, comparable to natural processes.
A recent study assesses the invasiveness of European and native plant species using three dimensions: local abundance, geographic extent, and habitat breadth. High values in these variables characterize successful invaders, with early introduction to Europe and rapid growth contributing to their success.
Researchers at the University of Oxford and their international team have discovered how SARS-CoV-2 RNA interacts with host cells, paving the way for new therapeutic strategies. The study found that SARS-CoV-2 hijacks more than 100 cellular proteins to replicate, providing a potential target for antiviral treatments.
A new study aims to identify diabetic donors whose corneas are suitable for transplant surgery, a crucial step in addressing growing demand for the procedure. The Diabetes Endothelial Keratoplasty Study will explore the impact of donor and recipient diabetes on outcomes and inform eye-banking and surgical practices.
A two-year study found that testosterone therapy normalised testosterone levels, reduced NAFLD, and suppressed symptoms of hypogonadism in obese men. Testosterone therapy may help obese men with functional hypogonadism and type-2 diabetes reduce the prevalence of non-alcoholic fatty liver disease.
A University of Houston research team creates a unique class of luminescent materials called phosphors that absorb violet LED's single-color emission and convert the light to cover the majority of the visible spectrum. The new LED bulb emits less blue light, reducing health concerns associated with overexposure.
MIT researchers have designed a sharp-tipped robot finger with tactile sensing to identify buried objects in granular material. The Digger Finger successfully sensed the shapes of submerged items and can penetrate sand and rice, with potential applications for finding buried cables or disarming bombs.
Researchers found that direct compensation for posting written reviews increases positive emotion, but may lead to overly glowing reviews that don't accurately reflect the experience. In experiments, incentives increased review positivity by 55%, but had unforeseen negative consequences for consumers.
Scientists have developed a way to engineer materials at the atomic level using a dry transfer technique. The method uses anthracene as a sacrificial material to precisely position carbon nanotubes, resulting in bright photoluminescence up to 5,000 times brighter than the original molecule.
Researchers found strong antiresonance in orthoferrite materials when placed at an odd angle under high magnetic fields. This unique state allows for ultrastrong interactions between magnons, which could lead to suppressed fluctuation noise and increased sensitivity in quantum sensing applications.
A new AI algorithm developed by TUM and Imperial College London can detect pneumonia in pediatric x-ray images while maintaining patient privacy. The algorithm uses federated learning, secure aggregation, and differential privacy to keep data onsite and prevent individual identification.
The National Science Foundation has renewed funding for the Materials Innovation Platform at Penn State's Materials Research Institute, enabling the development of new ultra-thin materials with unique quantum properties. The facility will advance 2D materials research across the US, supporting over 100 scientists nationwide.
Researchers at Texas A&M University have developed a method to compare the performance of different wind turbine designs, using machine learning and social science analysis. The study found that this technique can provide a robust and accurate way to determine the merit of competing technologies.
A small case series found that vaccination was not linked to worsening symptoms or reduced quality of life in patients with persistent COVID-19 symptoms. The study included 163 patients who received one dose of either Pfizer-BioNTech or Oxford-AstraZeneca vaccine.
A team of researchers from the University of Notre Dame developed a simulation model to better understand cosmic ray transport characteristics and improve detection techniques.
Since 1949, China has made notable progress in reducing maternal mortality and improving child survival rates, with significant reductions in death ratios from 1500 to 17.8 cases per 100,000 births and infant deaths from 200 to 5.6 cases per 1,000 births.
New study questions precession in the Milky Way's warp, suggesting it could disappear or become slower over time. Researchers used Gaia Mission data to analyze stars' positions and velocities.
Researchers analyzed PCR samples from over 25,000 COVID-19 cases to estimate infectiousness. Viral loads were found to be lowest in young children and increased with age. The study provides new insights into the B.1.1.7 variant and highlights individual differences in infectiousness.
A recent study by Desert Research Institute found that cold wildfire smoke can make soil surfaces hydrophobic, leading to severe water repellency and increased erosion. The research used sand samples treated with both hot and cold smoke, showing similar results in terms of water absorption time.
A study examining COVID-19 severity found associations between circulating sex hormones and disease outcomes in patients, highlighting the need for further research on hormonal factors. The investigation, published in JAMA Network Open, suggests that hormonal imbalances may contribute to varying levels of disease severity.
Researchers have discovered that tabernanthalog (TBG) rapidly corrects stress-induced behavioral deficits and promotes neuronal regrowth in mouse brains. TBG lacks toxic and hallucinogenic effects of ibogaine, making it a promising potential treatment for mental health conditions.
A study published in Archives of Rehabilitation Research and Clinical Translation found that prism adaptation treatment improves functional and cognitive independence scores for stroke survivors with spatial neglect. The treatment, which involves wearing goggles with optical prisms to shift motor movements, results in higher scores on ...
A study of 182 undergraduate students found that pandemic-related changes affected motivation levels variably, with some students becoming more motivated while others remained unchanged or became less motivated. Demographic factors such as socioeconomic status and first-generation student status did not significantly impact the findings.
Researchers at the University of Jyväskylä have demonstrated a new method to make graphene ultrastiff using optical forging, increasing its stiffness by several orders of magnitude. The technique, which involves irradiating defects in the graphene lattice, opens up new application areas for this wonder material.
Researchers from La Jolla Institute for Immunology have found that human T cells can target more than 1,400 sites on the SARS-CoV-2 virus, revealing a broad and diverse immune response. This analysis can help monitor effective responses to COVID-19 vaccines and track variations in T cell responses.
Researchers developed a mathematical model SSSAFE to predict landslides by analyzing slope stability over time. The model successfully predicted the 2017 Xinmo landslide, highlighting significant movement 10 months before the disaster occurred.
A new public platform catalogs and curates data on salivary proteins, providing rich evidence for noninvasive diagnostics and precision medicine. The Human Salivary Proteome Wiki aims to harness the full potential of saliva for diagnosis, risk prediction, and therapy.
Researchers from Gero and Roswell Park Comprehensive Cancer Center discovered that biological age is changing over time, leading to reduced resilience. As people age, it takes longer to recover from stresses, and chronic diseases are linked to loss of resilience.
Research suggests that parents with a history of childhood trauma may struggle with emotion regulation, which can harm their children's emotional development. The study found that boys are more vulnerable to emotional regulation difficulties when their parents also struggled with emotion regulation.
Researchers at Duke University and Stanford University School of Medicine found that long-term wearable device data can quickly indicate illness, dehydration, and abnormalities in a patient's red blood cell count. Machine learning algorithms applied to the data enabled identification of previously unknown relations between smartwatch s...
Researchers used seismic CT scans and supercomputers to study slow slip earthquakes in New Zealand's Hikurangi subduction zone. The study found that tectonic forces build up before releasing through slow motion tremors, revealing key processes involved in modulating slow slip.
Researchers from Skoltech developed a simple redox-active polyimide with promising features in various energy storage devices. The new material showed high specific capacities, relatively high redox potentials, and decent cycling stability.
Researchers at RMIT University have developed a new 3D printing method that creates intricate biomedical structures, advancing tissue engineering and regrowing bones. The technique uses glue and a high school-grade 3D printer to create tiny implants with elaborate structures.
Rates of depression and anxiety were found to be higher among US coal miners compared to the general population. The study also identified a significant risk of posttraumatic stress disorder among current and former coal miners in the United States.
A study by Michigan Medicine found that female interventional cardiologists have comparable outcomes to their male counterparts in coronary angioplasties. Despite being significantly under-represented, they demonstrate excellent practitioner skills. The findings suggest benefits for female trainees considering the field.
A rare mutation causes Parkinson's disease-like symptoms by disrupting dopamine transport, suggesting treatments targeting the transporters could alleviate symptoms. A malaria drug helps alleviate movement problems in genetically modified fruit flies with the mutation.
Researchers used synchrotron X-ray techniques to study how gypsum dehydrates under pressure, revealing a small nudge that can have big consequences for geological processes. The findings suggest that increased tectonic stress can speed up dehydration and promote earthquakes.
Researchers developed an algorithm to compare cell types in different species, revealing conserved genes and cell type families across evolutionary distances. The mapping method accounts for changes over millions of years, enabling biologists to trace the trajectory of cell types in organisms along the tree of life.
A diverse range of microorganisms were discovered in the Kuzbass coal seam, including bacteria that can convert poisonous carbon monoxide into CO2. These microbes have unique metabolic capabilities, allowing them to thrive in extreme environments.
The study, led by Caicun Zhou, found that sintilimab-gemcitabine/platinum improved progression-free survival over placebo-gemcitabine/platinum. The results demonstrated a 46.4% reduction in disease progression or death risk.
A comprehensive analysis of 437 studies found narcissism is a significant risk factor for aggressive behavior worldwide. Higher levels of narcissism were linked to more aggression, including physical, verbal, and online cyberbullying.
A study by Monash University found a significant reduction in all four HPV genotypes in gay/bisexual men after implementing the school-based HPV vaccination program. The results suggest that male vaccination may lead to a potential reduction in anal cancer among gay and bisexual men in Australia.
The OIST-BNV Innovation Hub will provide financial investment and tailored business services to deep-tech startups, aiming to create high-tech industry and generate 10-20 new companies in the next few years. Startups can apply via an online portal from June 2021.
A new study from Clemson University identifies specific cell clusters in the brain of fruit flies affected by acute cocaine exposure. The findings show widespread changes in gene expression and distinct differences between males and females, potentially leading to therapeutic development.
The loss of genetic diversity is a pressing crisis that can have devastating consequences for ecosystems and human societies. Monitoring genetic diversity using DNA analysis can help detect vulnerabilities, but technology must be made available globally and data must be accessible to inform conservation efforts.
Researchers developed a method called SARSeq that enables large groups to be tested for SARS-CoV-2 with the same sensitivity as regular PCR tests. The method processes up to 36,000 samples in less than 48 hours and is highly specific and scalable.
A new study from Washington University School of Medicine found that low testosterone levels in men are linked to more severe disease. Men with low testosterone had a higher risk of requiring intensive care or dying from COVID-19, while those with higher testosterone levels were less likely to experience severe symptoms.
Newly discovered fish fossils from an eastern Egyptian desert site show that marine fishes thrived in at least some tropical areas during the PETM. The study provides a snapshot of an ecosystem during an extreme warming event and may provide insights for the future.
Researchers developed a holographic light collector that captures unused solar energy and increases the amount of solar energy converted by solar panels over the course of a year. The collector directs specific colors of sunlight to solar cells within the panel, resulting in an estimated five percent increase in annual yield.
A study published in BJPsych Open found that women with depression during pregnancy or a history of depression had reduced quality of mother-infant interactions. Despite this, all mothers and their babies improved over time, indicating potential for future attunement.
A study of ancient fish bones reveals that non-kosher fish were commonly consumed by ancient Judeans around the time of the biblical prohibition. The findings challenge traditional assumptions about the origin of Old Testament dietary laws and suggest a more complex history of food practices.
Emergency department visits for common conditions like appendicitis and miscarriage dropped significantly during the first wave of COVID-19, but there was no increase in adverse patient outcomes. Researchers found that management strategies remained unchanged, suggesting that patients who required emergency care continued to seek help ...
A study of nearly 100,000 individuals found that wearing accelerometers showed a significant association between moderate physical activity and reduced risk of atrial fibrillation and stroke. The researchers suggest that wearable devices could be used to promote public health by tracking and encouraging physical activity.
Pridopidine's neuroprotective effects are supported by new research that elucidates its mechanisms through activation of the Sigma-1 Receptor (S1R). The study highlights pridopidine's therapeutic potential and provides data supporting the role of S1R in neurodegenerative diseases.
A recent study found that up to a third of patients taking methotrexate had inadequate antibody levels after receiving the Pfizer-BioNTech COVID-19 vaccine. This is compared to healthy participants and those on other immunomodulatory drugs, who showed an adequate immune response.
Researchers at the University of North Carolina developed a data assimilation method to improve multi-day forecast accuracy of coastal water levels. The method yielded substantially smaller errors in water level estimates and is now used by NOAA's Extratropical Surge and Tide Operational Forecast System.
A new gene cluster in Staphylococcus epidermidis enables the bacteria to produce structures that allow them to attach to human cells and form a persistent infection. This discovery could lead to better treatments or vaccinations against methicillin-resistant S. aureus.
Researchers from the Netherlands Institute for Neuroscience have discovered a small molecule that can be used to rejuvenate the brain and counteract memory loss in Alzheimer's disease. The molecule, microRNA-132, regulates adult hippocampal neurogenesis and is required for the neurogenic process in the adult hippocampus.
A new study found that couple cognitive-behavioural therapy (CBT) is more effective than lidocaine in reducing women's fear of pain and improving their sexual experience. The therapy helps break the vicious cycle of fear and avoidance, allowing couples to refocus on pleasurable experiences.
A recent study found that conservation efforts have led to an increase in mountain gorilla population densities, which may raise their risk of infectious diseases. The research also discovered striking geographic differences in parasite infections across the entire range of the mountain gorilla.
A study at Massachusetts General Hospital has identified an enzyme that protects the brain from oxygen deprivation, leading to new potential therapies for strokes and brain injuries caused by cardiac arrest. The discovery was made serendipitously while researchers investigated techniques for inducing suspended animation.
A study found that Vitamin B6 deficiency is associated with social deficits, cognitive impairment, and hyperactivated noradrenergic systems in mice. Supplementing the brain with Vitamin B6 improved these abnormalities, suggesting a potential therapeutic strategy for schizophrenia patients with Vitamin B6 deficiency.
The USPSTF recommends behavioral counseling interventions for promoting healthy weight gain and preventing excess gestational weight gain in pregnancy. Excess weight at the beginning of pregnancy is associated with adverse maternal and infant health outcomes, including cesarean delivery or preterm birth.
A team of UBC Okanagan researchers investigated the impact of pandemics on homeless populations, revealing a mortality rate five to 10 times higher compared to the general population. The study identified six key themes that affect the homeless, including education and outreach, screening and contact tracing, and treatment adherence.
A study found that viral particles remaining in the gut after COVID-19 can travel into the bloodstream, triggering a hyperinflammatory response and Multisystem Inflammatory Syndrome in Children (MIS-C). Researchers identified larazotide acetate as a potential treatment.
The NIH awarded $4.7 million to Dr. Amy Bastian's research on movement learning mechanisms and their impact on neurological damage. The study aims to develop tailored therapeutic training strategies for children with neurological conditions.
Researchers discovered that metabolites from fungi and bacteria biofilms can modulate gene expression associated with tumor growth and survival. The study found that these microorganisms can endanger homeostasis in normal and neoplastic oral epithelial cells, impairing cell viability and survival.
The National Foundation for Cancer Research has announced the winners of its 2021 Salisbury Award Competition, recognizing promising cancer research innovations. The first prize winner is TanoMed's technology training host immunity against a specific member of the carcinoembryonic antigen-related cell adhesion molecule family, CEACAM5.
Researchers have developed a new technique using chemically-sensitive soft X-rays to analyze the internal structure, chemistry and environmental behavior of organic nanocarriers. This non-disruptive method allows for detailed analysis of nanocarrier properties, including their size, water-content and response to changing environments.
A new study suggests that engaging in recovery can help entrepreneurs reduce the negative impact of stress and improve well-being outcomes. The study proposes three recovery-intervention categories: Respite, Reappraisal, and Regimen, which recommend taking breaks, reframing thoughts on stress, and adding structure to recovery.
Chronic pancreatitis is a debilitating disease with poorly understood causative factors. Researchers at Osaka University identified disturbed molecular pathways and revealed underlying mechanisms that may inform effective therapy against the disease.
Researchers at Duke University have developed a machine learning platform that can identify activated neurons in videos faster and more accurately than current techniques. The technology enables researchers to watch an animal's brain activity in real-time as they behave, allowing for new insights into how the brain works.
Researchers designed a Cu-Pd bimetallic electrocatalyst that lowers the energy barrier of C2 product generation, resulting in a 50.3% C2 Faradaic efficiency. The catalyst exploits the benefits of both Cu (low energy barrier) and Pd (ultrafast kinetics), addressing CO2 conversion limitations.
The University of Minnesota Medical School is launching a new clinical trial to study the effectiveness of ivermectin, metformin, and fluvoxamine as potential treatments for COVID-19. The multi-site trial aims to prevent hospitalization and 'long COVID' in patients with COVID-19.
Researchers analyzed stable isotope analysis of skin, muscle, and bone tissue to study Sowerby's beaked whale spatial ecology. The results show that the species exhibits both short- and long-term habitat fidelity, with at least two subpopulations in the eastern and western Atlantic.