Articles tagged with Bones
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Fundamental study of the non-living natural world, matter, energy, and physical phenomena governing the universe. Encompasses physics, chemistry, earth sciences, atmospheric sciences, oceanography, materials science, and the investigation of physical laws, chemical reactions, geological processes, climate systems, and planetary dynamics. Explores everything from subatomic particles and quantum mechanics to planetary systems and cosmic phenomena, including energy transformations, molecular interactions, elemental properties, weather patterns, tectonic activity, and the fundamental forces and principles underlying the physical nature of reality.
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Comprehensive study of the universe beyond Earth, encompassing celestial objects, cosmic phenomena, and space exploration. Includes astronomy, astrophysics, planetary science, cosmology, space physics, astrobiology, and space technology. Investigates stars, galaxies, planets, moons, asteroids, comets, black holes, nebulae, exoplanets, dark matter, dark energy, cosmic microwave background, stellar evolution, planetary formation, space weather, solar system dynamics, the search for extraterrestrial life, and humanity's efforts to explore, understand, and unlock the mysteries of the cosmos through observation, theory, and space missions.
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Study of abstract structures, patterns, quantities, relationships, and logical reasoning through pure and applied mathematical disciplines. Encompasses algebra, calculus, geometry, topology, number theory, analysis, discrete mathematics, mathematical logic, set theory, probability, statistics, and computational mathematics. Investigates mathematical structures, theorems, proofs, algorithms, functions, equations, and the rigorous logical frameworks underlying quantitative reasoning. Provides the foundational language and tools for all scientific fields, enabling precise description of natural phenomena, modeling of complex systems, and the development of technologies across physics, engineering, computer science, economics, and all quantitative sciences.
A new study combines bisphosphonates, commonly used for osteoporosis, with azole antifungals to treat fungal infections. The combination effectively targets dermatophytes and prevents resistance development.
Researchers from Tel Aviv University discovered 400,000-year-old stone tools, Quina scrapers, used to butcher and process smaller game like fallow deer. The unique tools were made of non-local flint, likely sourced from the Mountains of Samaria, a calving area for the deer.
Researchers used novel biomolecular methods to analyze fossil bone fragments at the Smithsonian Museum, revealing excellent preservation of collagen proteins that can provide a molecular barcode for identification. The study provides new insights into the mysterious disappearance of North America's large mammals 50,000 years ago.
Researchers at Texas A&M University have discovered a new technique for tissue regeneration using mineral-based nanomaterials inspired by ancient medical practices. The approach aims to induce natural bone formation, reducing the need for invasive procedures and long-term medication, and promoting improved quality of life.
Dr. Melissa Grunlan's team creates regenerative osteochondral plugs, a potential off-the-shelf device to treat OCDs and avoid total knee replacement surgery. The technology offers an alternative to autografting or total knee replacement, providing immediate support for joint function and potentially reducing post-operative complications.
Researchers discover novel suppressive role of Ctdnep1 in osteoclast differentiation and bone resorption, suggesting potential therapeutic targets for treating excessive bone loss. The study reveals that Ctdnep1 functions as a brake on osteoclast cell differentiation.
Wake Forest University School of Medicine has received a $1.5 million grant to study bone microarchitecture in patients following bariatric surgery. The researchers will use high-resolution peripheral quantitative computed tomography (HR-pQCT) imaging to assess bone loss and muscle changes after weight-loss surgery.
A 6-centimeter-wide fossil of a large cat species, Homotherium, was discovered on the Texas coast. The fossil provided key evidence for the cat's expansion across habitats in Africa, Eurasia, and the Americas.
A new Cornell University study suggests that smaller bird skeletons evolve more freely due to reduced stress on their bones. This allows for greater variability in wing proportions among small bird species.
Early hunter-gatherers in central Chile regularly visited Tagua Tagua Lake between 12,440-12,550 years old to hunt ancient elephants and process other local resources. The discovery of the fossil remains of a gomphothere at the site provides insights into the subsistence strategies of early humans during the Late Pleistocene.
Researchers at the University of Birmingham have identified PEPITEM, a naturally occurring peptide, as a promising new therapy for osteoporosis and other bone disorders. The study found that PEPITEM enhances bone mineralisation, formation, and strength, and reverses bone loss in animal models.
A new COVID-related syndrome, MDA5-autoimmunity and Interstitial Pneumonitis Contemporaneous with COVID-19 (MIP-C), has been identified in patients with severe lung scarring and autoimmune diseases. The syndrome was discovered through a retrospective observational study by UC San Diego researchers and UK colleagues.
Scientists have found an effective treatment for spitting cobra snakebites by blocking one of the major dermonecrosis-causing toxins with varespladib. The study suggests that this repurposed drug can prevent tissue damage and may become a valuable treatment against black-necked and red spitting cobra venoms.
The 5-year TAF treatment efficacy was high and similar to that of 3-year TDF followed by 2-year TAF in Chinese chronic hepatitis B patients. Favorable effects on bone and renal parameters were sustained with TAF treatment alone and were observed following the switch from TDF to TAF.
Researchers developed a new treatment method using plasma irradiation to speed up bone healing. The study found that displaced fractures exhibited stronger unions than nonirradiated ones, with strength increased by 3.5 times.
The International Osteoporosis Foundation has presented the prestigious IOF President’s Award to Professor Peter Ebeling AO in recognition of his longstanding contributions to advancing the work of the IOF. He is an internationally renowned expert in bone health, with a total of over 536 peer-reviewed publications and a h-index of 93.
Fossilized bone fragments from Western and Central Europe have been identified as belonging to gigantic ichthyosaurs due to their unique microstructure. The discovery sheds new light on an ongoing debate among paleontologists, suggesting that these massive sea creatures could have reached lengths similar to the modern blue whale.
A unique collaboration between archaeologists and MeatEater highlights the prevalence of equifinality, where distinct processes can lead to the same outcome. The experiment tested Clovis stone tools' efficiency in processing a bison, offering insights into early human technologies.
Long-term treatment with methylene blue (MB) and mitoquinone (MitoQ) did not alter age-related bone loss in mice. Antioxidant interventions are insufficient to inhibit skeletal aging, suggesting alternative approaches may be needed.
Research at the University of Gothenburg reveals a link between maternal protein intake during pregnancy and the formation of facial bone structures in offspring. The study found that a particular signaling pathway, mTOR, plays a crucial role in shaping the face.
Researchers at Tel Aviv University developed a novel therapeutic strategy using existing medications to inhibit bone metastasis in breast cancer patients. The combination of drugs improved survival rates and reduced bone metastases in animal models and human tissue samples.
Researchers found that chlorogenic acid enhances osteoblast proliferation and differentiation, while inhibiting RANKL-induced osteoclastogenesis. Administration of chlorogenic acid antagonizes ovariectomized-induced bone loss in rats.
A Finnish study reveals that bone-strengthening physical activity levels decrease during adolescence, especially among the least fit youth. Regular exercise during childhood and adolescence is essential for maintaining strong bones and preventing osteoporosis later in life.
A researcher at Ohio State University resolves historical inconsistencies in the name of a popular fossil, confirming that Thomas Jefferson named the genus correctly. The correct name helps ensure accurate documentation of the history of life on Earth and its implications for science.
Scientists have created a new approach for treating tendon-bone injuries by combining manganese silicate nanoparticles with cells to create an immunomodulatory scaffold. This innovation promotes integrated regeneration and functional recovery in patients, offering a promising solution for improving life quality.
A new study refutes previous research suggesting Spinosaurus was an aquatic pursuit predator, highlighting methodological flaws and low accuracy of phylogenetic flexible discriminant analysis. The researchers provide guidelines for future studies to use with caution when applying this methodology to limited datasets.
Researchers at NJIT's Newark College of Engineering and College of Science and Liberal Arts receive $265K in grants from the New Jersey Health Foundation to develop biodegradable materials, enhance bone regeneration, and create air filters for viral removal. The projects focus on addressing environmental impact and promoting healthcare...
A new study found that the link between paternal age and rare congenital disorders is more complex than previously thought. Researchers discovered that while older fathers are more likely to have children with certain bone and heart malformations, some genetic mutations associated with these conditions do not increase with paternal age.
Researchers found that USP1 inhibits cdc42, increases EWS-FLI1 transcriptional output, and simulates Ewing sarcoma growth. A pharmacological inhibitor of USP1 activated cdc42 and inhibited Ewing sarcoma growth.
Researchers created complex 3D structures that mimic bone microstructure using laser 3D printing and an alternate soaking process. The method supports the creation of bone grafts or artificial bone marrow, offering a potential solution to treating leukemia, lymphoma, and immune diseases.
Researchers from Tokyo University of Science identify Cpeb4 protein's crucial role in mRNA splicing and osteoclast differentiation, shedding light on bone disease mechanisms. The study's findings may lead to new diagnostic techniques and treatments for conditions like osteoporosis.
A KAIST research team has developed a biomimetic scaffold that generates electrical signals to promote bone tissue growth, providing a new method for utilizing the unique osteogenic abilities of hydroxyapatite. The flexible and free-standing scaffold demonstrated remarkable potential for promoting bone regeneration in rats.
Researchers at Rice University have discovered a promising new immunological pathway to treat stubborn bone tumors in breast cancer patients. The glyco-immune checkpoint axis, involving protein Siglec-15, plays a crucial role in hiding bone tumors from the immune system.
Stacyann Bailey studies how cancer treatment affects bones, hoping to prevent fractures and improve patient outcomes. Up to 50% of patients with metastatic bone disease develop fractures due to treatment, making her work crucial for their quality of life.
A recent study found that high-intensity impacts during everyday physical activity can help preserve bone density and structural properties in older adults. Moderate and high-impact activities, such as brisk walking or stair climbing, were associated with better preservation of bone mineral density compared to lower-intensity activities.
Researchers from MD Anderson Cancer Center reported a case of a patient with an exceptional response to pazopanib treatment for over 5 years. The study shows that pazopanib prevents or delays the progression of additional metastasis in EWSR1-NFATC2 positive sarcomas. Further studies are warranted.
A pair of proteins YAP and TAZ have been identified as conductors of bone development in the womb. They help direct blood vessel integration into cartilage, a vital aspect of bone development, and may provide insight into genetic diseases such as osteogenesis imperfecta.
Researchers found a clear dose-response relationship between long-term topical corticosteroid use and elevated risks of osteoporosis and major osteoporotic fractures. Women under 50 had higher risks compared to men and other age groups, emphasizing the importance of careful treatment.
Researchers found that Arctic seals' unique nasal structures allow them to conserve 94% of water during breathing, giving them an evolutionary advantage in the Arctic. The study's findings suggest that similar adaptations could be beneficial for other species in diverse environments.
Researchers analyzed skeletal remains of ancient Egyptian baboon mummies from the site of Gabbanat el-Qurud, finding lesions and deformations indicative of malnutrition and lack of sunlight. The findings provide insights into how baboons were kept in captivity before their eventual mummification.
A longitudinal study of Hispanic adolescents and young adults found that PFAS exposure is linked to lower bone mineral density and a higher risk of osteoporosis. The study's findings highlight the need for stricter regulation of PFAS to protect vulnerable populations.
Researchers at Texas A&M University have been awarded a grant to study bone regeneration throughout the lifespan to benefit individuals with Down syndrome. They hope to understand whether bone regeneration can help people with Down syndrome recover from fractures, and also develop new treatments for limb loss.
Neanderthals actively hunted straight-tusked elephants, the largest terrestrial mammals of the Pleistocene. The hunting activity was not an isolated phenomenon but a regular practice that could satisfy daily calorie needs for 2,500 Neanderthals.
A major clinical trial found that vitamin D supplements had no effect on fracture risk or bone strength in children with vitamin D deficiency. The study, which included over 8,800 schoolchildren aged 6-13, boosted vitamin D levels but did not prevent fractures.
A study at the Radiological Society of North America annual meeting found that 20-40% of youth baseball players (ages 9-12) experience elbow pain. Skeletally immature children are more prone to injuries, including growth plate fractures and osteochondritis dissecans.
A Victorian collector, Morton Allport, traded human and animal remains from Tasmania for scientific recognition. The research highlights the entwined costs of colonialism with practices of natural history, revealing a 'quid pro quo' arrangement to meet demand for these remains.
A study published in the American Journal of Human Biology found that COVID-19 has negatively impacted bone tissue, particularly among young adults. The research indicates a significant decrease in bone mineral density during the pandemic compared to pre-pandemic measurements.
Researchers analyzed bones from 52 sacrificed animals at the well-preserved site of Casas del Turuñuelo, revealing a pattern of repeated mass animal sacrifice in Iron Age Spain. The study sheds light on ritual protocols and intentional selection of adult horses over young animals.
A collaborative effort between scientists from the Natural History Museum of Utah and cavers led to the discovery of fossils spanning over 3,000 years in Boomerang Cave. The findings revealed a faithful reflection of mammal diversity in the area, including species unknown to the region.
Researchers at São Paulo State University developed a novel biomaterial that speeds up osteoblast differentiation, mimicking a low-oxygen environment. The cobalt-doped calcium phosphate material has the potential to be used in future bone regeneration procedures, reducing surgery risks and hospital stays.
A new fossil assemblage in Brazil has added to the complexity of classifying silesaurid phylogeny, a family of dinosauriforms that lived during the Triassic period. The study suggests that these animals were part of the evolutionary history of dinosaurs, but their classification remains uncertain due to ambiguous anatomy.
A new study has found that most patients with osteoporosis want to receive information on their fracture risk, but only half of them actually get it. Patients prefer visual representations, such as graphs with a colored traffic-light system, to communicate fracture risk and are more likely to take medication if presented in this way.
Researchers have discovered a series of bird footprints from the Early Cretaceous period in Victoria, Australia, indicating that diverse birds lived in southern polar environments during this time. The discovery provides new insights into the distribution and dispersal of early birds across landmasses.
A recent scientific study explores the bite marks left on ancient bones of sauropod dinosaurs like Diplodocus and Brontosaurus by carnivorous theropod dinosaurs. The study found that 68 sauropod bones from the Upper Jurassic Morrison Formation bear unmistakable bite traces attributed to theropods.
Researchers develop biohybrid material from eggshell membrane, coated with nanocrystalline calcium phosphate apatite, for guided bone regeneration and dental pulp capping. The material shows improved mechanical properties, biocompatibility, and osteoinductive properties.
Yabing Chen has received two NIH grants totaling over $5 million to investigate vascular diseases and their link to dementia. Her research focuses on Runx2, a master transcription factor involved in both bone formation and calcification of arteries.
Frogs from the genus Eleutherodactylus are geologically the oldest Caribbean vertebrates to be found in Florida. They arrived in North America much earlier than previously thought, with evidence suggesting they reached the peninsula through overwater dispersal on flotsam or other buoyant debris.
Researchers found that a specific gene, MDA-9, initiates a cellular chain reaction sparking prostate cancer metastasis. The study's findings hold significant implications for treating prostate cancer and other forms of disease.
Two ancient species of whales, the North Atlantic right whale and the grey whale, disappeared from European waters centuries before industrial whaling began. Archaeological analysis of 719 whale bones reveals that early whaling had a devastating impact on these species.
Researchers developed an innovative imaging technique to study cells in bones of mice, revealing distinct pockets of bone resorption activity. This knowledge could lead to new treatments for osteoporosis and dormant cancer cells.