Michelangelo likely used mathematics when painting 'The Creation of Adam'
Researchers found mathematical evidence that Michelangelo used the Golden Ratio in 'The Creation of Adam'. The ratio, 1.6, enhances structural efficiency and beauty in art.
Search results for “Anatomy”
1,000+ results for "Anatomy"
Why the skin wrinkles more on certain parts of the face
Research suggests differences in oil-secreting glands and dermis thickness contribute to wrinkle formation. The study, published in Clinical Anatomy, found shallower wrinkles on the forehead compared to the outer eye area.
ASHG honors Kay E. Davies with William Allan Award
Kay E. Davies has made significant contributions to understanding Duchenne Muscular Dystrophy, a genetic disorder that causes rapid muscle weakness. Her research has led to the development of dystrophin minigenes and utrophin-based treatments, offering hope for all DMD patients.
Research reveals insights on how ancient reptiles adapted to life in water
Researchers used CT scans to study the brain anatomy of ichthyosaurs, revealing an enlarged olfactory region suggesting a key role for smell. The findings also show that vision was crucial for these marine predators.
Patent awarded to Kansas State University preclinical cancer detection test platform
Researchers at Kansas State University have developed a nanoplatform technology that detects human cancer cells and tumors in the early stages. The technology has been awarded US Patent 8,969,027 and shows a 95% success rate in detecting cancer at stage one and beyond.
In search of memory storage
Researchers at Ruhr-University Bochum recreated memory formation in the hippocampus using computer simulations, challenging the existing model. They found that the CA1 region plays a key role in completing memories, while the CA3 region is not as crucial as previously thought.
More than two dozen articles provide insights on mummies
The Anatomical Record publishes 26 articles on mummy anatomy in historical and cultural context, exploring diseases and daily life of ancient individuals. The studies utilize advanced knowledge and tools to 'unwrap' the secrets held within mummies.
Experts map surgical approaches for auditory brainstem implantation
Researchers have detailed two surgical approaches for auditory brainstem implantation, including a translabyrinthine and retrosigmoid approach, to minimize damage to the brainstem and improve speech recognition. The procedures aim to restore hearing in patients with NF2 and other causes of retrocochlear deafness.
What did the first snakes look like?
Researchers have reconstructed the ancestral snake, revealing it had tiny hindlimbs and targeted soft-bodied prey. The study suggests snakes originated on land, rather than in water, during the middle Early Cretaceous period.
Tweaking the beak: Retracing the bird's beak to its dinosaur origins, in the laboratory
Researchers successfully reversioned a bird's skull features to mimic small dinosaurs like Velociraptor and Archaeopteryx. This breakthrough sheds light on the molecular underpinnings of an important evolutionary transition, revealing a single genetic mechanism responsible for transforming beak structure.
Gigantic whales have stretchy 'bungee cord' nerves
Researchers at the University of British Columbia discovered stretchy nerves in rorqual whales that can double in length like a bungee cord. This unique structure allows the whales to create a large pocket between their body wall and blubber to capture prey during feeding dives.
Beetlejuice! Secrets of beetle sprays unlocked at the Advanced Photon Source
Using synchotron X-rays, scientists visualize the dynamics of explosions within a bombardier beetle's body, discovering a self-repairing valve that saves energy. This breakthrough could provide new design principles for technologies related to blast mitigation and propulsion.
Sexing Stegosaurus
A recent study by Evan Saitta found that Stegosaurus had two types of plates: tall and wide. Contrary to previous claims, these were not separate species or ages, but rather males and females. The plates likely played a role in attracting mates and displaying sex.
Stem cells that prevent birth defect also repair facial injury
Researchers have identified a key role for Gli1+ stem cells in skull development and facial bone repair. Transplanting these stem cells into injured areas may help restore normal anatomy and facilitate brain growth, offering potential treatment options for infants with craniosynostosis and patients with facial disfigurement.
Study links brain anatomy, academic achievement, and family income
A new study led by MIT researchers found that higher-income students have thicker brain cortex in areas associated with visual perception and knowledge accumulation, correlating with better standardized test scores. The differences in brain anatomy could explain up to 44% of the income achievement gap.
Reasons behind an increase in female genital cosmetic surgery in Australia and the UK
The number of labiaplasty procedures in the NHS has risen five-fold over 10 years, with over 2,000 operations performed in 2010. Women often seek FGCS due to misconceptions about normal vulval anatomy, and GPs should educate patients before referring them to a gynaecologist.
Exceptionally preserved fossil gives voice to ancient terror bird
A new species of terror bird, Llallawavis scagliai, has been discovered with exceptionally preserved fossils revealing details about its anatomy and sensory capabilities. The study provides insights into the evolution, behavior, and ecology of this group of fossil birds.
The stapes of a neanderthal child points to the anatomical differences with our species
A 2-year-old Neanderthal child's skeleton has yielded new insights into the species' anatomy, including a complete stapes ossicle. This finding highlights significant morphological differences between Neanderthals and humans, with the exact relation to hearing in Neanderthals still unknown.
Report: Photosynthesis hack needed to feed the world by 2050
Boosting crop yields through high-performance computing, genetic engineering, and modifying plant anatomy may be the solution to increasing global food demand by 2050.
American Association of Anatomists awards lifetime achievement in the anatomical sciences
The American Association of Anatomists has awarded lifetime achievement honors to nine individuals for their scientific, educational, and leadership contributions to the field of anatomy. The award winners include experts who have made significant impacts on human anatomy education, research, and clinical applications.
American Association of Anatomists awards Young Investigators
The American Association of Anatomists has awarded Young Investigators to R.R. Bensley Award winner Bungo Akiyoshi for his discovery of unconventional kinetochores in Kinetoplastids, and Feng Zhang for his contributions to comparative neuroanatomy through genome manipulations using CRISPR-Cas9.
Microscope technique reveals for first time when and where proteins are made
Researchers have developed a new fluorescence microscopy technique that shows where and when proteins are produced in individual cells. The technique allows direct observation of messenger RNA molecules being translated into proteins, shedding light on protein synthesis irregularities contributing to human diseases.
The secret to an effortless, split-second slime attack
Researchers at Harvard University have discovered the secret to the velvet worm's rapid and perfectly aimed slime attack, which could inspire new microfluidic devices. The unique anatomy of the worm's papillae and elasticity of its slime allow for a wide-spraying jet that entraps prey with great speed.
SourceHarvard John A. Paulson School of Engineering and Applied Sciences·JournalNature Communications·DateMar 17, 2015
Finger lengths may indicate risk of schizophrenia in males
Research suggests a link between finger length ratios and schizophrenia in males, with those having shorter index fingers indicating high testosterone exposure. The 2D:4D ratio has been found to be an effective predictor of schizophrenia, showing significant differences between patient and control groups.
Skull reconstruction sheds new light on tetrapod transition from water to land
A 360-million-year-old tetrapod's skull has been reconstructed using high-resolution X-ray CT scanning, revealing a more crocodile-like structure than previously thought. The study sheds new light on the anatomy and ecology of early tetrapods, including their feeding habits and adaptations for life on land.
How the brain's involved in wanting and having sex
The cerebral cortex region is crucial for each phase of the sexual pleasure cycle, including wanting, having, and inhibiting sex. Alterations in brain networks are linked to sexual dysfunction, highlighting the importance of brain function in sexual experiences.
Study maps extroversion types in the brain's anatomy
A new study maps distinct brain signatures for two types of extroverts: gregarious 'people-persons' and ambitious 'go-getters'. The research, published in Cognitive, Affective, and Behavioral Neuroscience, found overlapping yet distinct signatures in the anatomy of the brain.
Tadpole model links drug exposure to autism-like effects
A study using a tadpole model reveals parallels between fetal chemical exposure and autism spectrum disorder, highlighting altered neural anatomy and behavior. The research suggests that understanding this connection could lead to discovering mechanisms to prevent neurodevelopmental disorders.
Children's heart disease topics: Brain injury, radiation exposure, CPR and more
Research at Cardiology 2015 Conference highlights key findings on brain injury in infants with critical congenital heart disease, reduced radiation exposure in pediatric cardiac cath procedures, improved survival rates with goal-directed CPR, and no link found between pre-operative enteral feeding and NEC in newborn cardiac surgery.
Giant rodent used incisors like tusks
A new study led by scientists at the University of York found that the largest fossil rodent, Josephoartigasia monesi, used its incisors for activities other than biting, such as digging and defense. The rodent's powerful bite was estimated to be around 1400 N, but its incisors could withstand almost three times that force.
New technique captures real-time diagnostic 3-D images
Researchers have developed a new technique to capture real-time 3D images of living organisms, such as zebrafish and fruit flies, allowing for the visualization of their anatomy and functions. This breakthrough uses Optical Projection Tomography, enabling the creation of three-dimensional images up to three millimeters long.
The anatomy of petal drop in sunflowers
Researchers found that cell division at the abscission zone of short-lived sunflower cultivars occurs earlier than in long-lived varieties, leading to earlier petal drop. The study also showed a correlation between flower color and vase life, with darker cultivars having shorter vase life.
SourceAmerican Society for Horticultural Science·JournalJournal of the American Society for Horticultural Science·DateJan 14, 2015
Female sexual arousal: Facilitating pleasure and reproduction
A new review critically examines the relationship between genital anatomy, sexual arousal, and brain stimulation to understand women's sexual pleasure. The study aims to stimulate more exacting research into human female sexual functions, particularly regarding procreation and recreation.
More holistic approach needed when studying the diets of our ancestors
Recent research on early hominid diets highlights the limitations of using modern technologies alone to understand their eating habits. A holistic approach is needed, considering factors such as habitat, anatomy, and cognitive abilities. This interdisciplinary method can provide a more accurate picture of our ancestors' diets.
Phenomenal fossil and detailed analysis reveal details about enigmatic fossil mammals
A new fossil analysis reveals that Vintana sertich was a badger-sized, herbivorous animal with keen senses of smell and vision. The study sheds light on the diversity of Mesozoic mammals and their paleoecology.
Researchers explore 3-D microsurgical anatomy of brainstem
Researchers map out 'safe entry zones' for brainstem surgery using fiber tract dissection techniques and 3D photography. The study provides unprecedented descriptions and images of the inner anatomy of the brainstem, helping neurosurgeons plan the best approach to microsurgical procedures.
Brain anatomy differences between autistic and typically developing individuals are indistinguishable
Researchers found that brain anatomy in MRI scans of people with autism above age six is mostly indistinguishable from that of typically developing individuals. The study's findings suggest that anatomical measures alone are likely to be of low scientific and clinical significance for identifying children, adolescents and adults with A...
SourceAmerican Associates, Ben-Gurion University of the Negev·JournalCerebral Cortex·DateNov 3, 2014
Cadavers beat computers for learning anatomy
A recent study published in Anatomical Sciences Education reveals that cadaver-based instruction is more effective than computer simulation in teaching anatomy. Students who learned on cadavers scored up to 16% higher on identification and 11% higher on explanation compared to those who used digital technologies.
There's no such thing as a vaginal orgasm, review finds
A recent review in Clinical Anatomy challenges common female orgasm misconceptions, stating that 'female orgasm' is the correct term. The key to female pleasure lies in effective stimulation of the clitoris, not vaginal intercourse.
T. rex times 7: New dinosaur species is discovered in Argentina
A massive 85-foot-long and 65-ton dinosaur, Dreadnoughtus schrani, has been discovered with the most complete skeleton ever found of its type. The fossil offers an unprecedented window into the anatomy and biomechanics of this giant animal.
Drexel team unveils Dreadnoughtus: A gigantic, exceptionally complete sauropod dinosaur
The largest land animal for which mass can be accurately calculated, Dreadnoughtus measures 85 feet in length and is estimated to weigh around 65 tons. Its nearly complete skeleton provides unprecedented insights into the anatomy and biomechanics of massive animals that once roamed Earth.
Signaling pathway for ginsenoside Rb1 promoting hippocampal neuronal neurite outgrowth
Research found ginsenoside Rb1 enhances PI3K/Akt and MAPK signaling pathways, promoting neuronal survival and neurite growth in the hippocampus. The study suggests potential anti-dementia effects of ginsenoside Rb1 in Alzheimer's disease.
3D printed anatomy to mark a new era for medical training
A new 3D printed anatomy kit developed by Monash University's Centre for Human Anatomy Education is set to transform medical education and training. The kit contains detailed body parts produced through 3D printing, allowing for cost-effective and accessible anatomical knowledge.
Tracking how breast cancer spreads: Einstein receives $10M NIH grant
Researchers at Albert Einstein College of Medicine will study how breast cancer cells move and spread in the body. They aim to develop a test that predicts which breast cancer tumors will metastasize, based on the presence of a trio of cells called a tumor microenvironment of metastasis.
NIH launches 3D print exchange for researchers, students
The NIH 3D Print Exchange provides freely available files for custom laboratory equipment, bacterial models, and human anatomy prints, enabling medical research and innovation. The platform also features video tutorials and a discussion forum to promote collaboration and advance science.
Opti-SPECT/PET/CT: 5 different imaging systems now combined
Researchers can conduct five different imaging studies in one scan with the Opti-SPECT/PET/CT system, providing comprehensive data on anatomy and physiological processes. The device allows for minimally invasive studies with a single dose of anesthesia, enabling scientists to develop new drug discovery methods.
Study identifies how signals trigger cancer cells to spread
A new fluorescent protein biosensor reveals the activation of Rac1 inside cancer cells during invadopodia formation, showing its role in controlling the invasion and spread of cancer cells. The study provides insights into the signaling mechanism that regulates cancer cell invasion and offers potential targets for developing treatments.
Scientists study biomechanics behind amazing ant strength
Researchers developed 3D models of an ant's neck anatomy to study its biomechanics and determine the relationship between mechanical function, structural design, and material properties. The results revealed that the ant's neck joint can withstand loads of up to 5,000 times its body weight.
American Association of Anatomists 2014 award winners
The American Association of Anatomists announced its 2014 award winners, including Jeffrey Laitman for his work in human anatomy education and Drew Noden for his scientific achievements. The winners will receive medals, plaques, and honorariums, as well as opportunities to present lectures at the 2014 Annual Meeting at Experimental Bio...
Four-eyed daddy longlegs fossil fills in evolutionary tree
A newly discovered 305-million-year-old fossil fills in the evolutionary tree for primitive harvestmen, providing evidence that they once had two pairs of eyes. This rare find allows scientists to study the anatomy of ancient arachnids in unprecedented detail.
Studies reveal more clues on how pregnancy protects against breast cancer
Researchers at Fox Chase Cancer Center have uncovered new insights into the genetic mechanisms that protect against breast cancer during pregnancy. By analyzing the genetic activity of women who had and had not given birth, scientists identified differences in gene expression related to cell differentiation and breast anatomy development.
Clinical value of ginsenoside Rb1 against neuronal damage following cerebral ischemia
Ginsenoside Rb1 attenuates damage to cerebral cortex neurons by downregulating nitric oxide, superoxide, and tumor necrosis factor-α expression in hypoxia-activated microglia. The study suggests that ginsenoside Rb1 is a promising candidate for clinical use in preventing neuronal degeneration following cerebral ischemia.
Diffeomorphometry and geodesic positioning systems for human anatomy
A team of researchers demonstrates new algorithmic technologies for parametric representation of human shape and form, enabling tracking of soft-tissue deformations in various medical conditions. The software algorithms provide tools for synchronizing structural and functional information across anatomical scales.
VTT: Building to take note of individual human thermal comfort
A new method for assessing individual thermal comfort has been developed by VTT, considering factors such as gender, age, body mass index, and muscularity. The method finds that women feel the cold more than men due to their lower muscle tissue, which produces heat at a lower rate.
The amazing anatomy of James Webb Space Telescope mirrors
The James Webb Space Telescope features a primary mirror composed of 18 smaller lightweight mirror segments, each with precise actuators to align and shape the mirror. The segments are designed to work together as one giant mirror, capturing light from distant galaxies and stars in space.
Extinct California porpoise had a unique underbite
The extinct California porpoise, Semirostrum ceruttii, had a distinctive underbite with an extended lower jaw and innervated jaws, likely used for probing prey. The species' anatomy suggests adaptations to its environment, including poor eyesight and sensitive lower jaw used for echolocation and feeding.
Watching molecules morph into memories
Researchers at Albert Einstein College of Medicine developed a mouse model with fluorescently tagged beta-actin mRNA, allowing them to observe the molecular processes that culminate in memories. The study revealed a novel mechanism by which brain neurons control the synthesis of beta-actin protein.
Discovery of 1.4 million-year-old fossil human hand bone closes human evolution gap
A 1.4 million-year-old fossil hand bone from East Africa has revealed a modern human-like hand anatomy, bridging the evolutionary gap between humans and their nonhuman primate ancestors. The discovery indicates that early humans possessed dexterous hands capable of precise tool use.
SourceUniversity of Missouri-Columbia·JournalProceedings of the National Academy of Sciences·DateDec 16, 2013
New fossil species found in Mozambique reveals new data on ancient mammal relatives
A new fossil species, Niassodon mfumukasi, has been discovered in Mozambique, providing new data on the evolution of ancient mammal relatives. The fossil, dated to approximately 256 million years ago, belongs to a group of synapsids that dominated land communities during the Late Permian period.
Dads: How important are they?
A study published in Cerebral Cortex found that mice raised without a father exhibited impaired social behavior, increased aggression, and altered brain anatomy. The findings suggest that paternal presence during critical growth periods is essential for healthy child development.