Articles tagged with Asymmetry
Researchers discovered a gene in snails that determines shell twist direction, which may offer insights into human body asymmetry. The study found that the same gene affects left-right symmetry in other animals, including frogs.
A study published in Current Biology found that the gene responsible for twisted snails' shells is linked to internal asymmetry in frogs. This suggests that body asymmetry may be an evolutionarily ancient characteristic of animal development.
Researchers have discovered Landau levels on atomically flat surfaces without asymmetries, supporting the domain model for non-magnetic field generation. The study reveals unique properties of graphite-based carbon materials, such as graphene, for electronic devices and catalysis.
A team of physicists has made a groundbreaking calculation on the decay of subatomic particles called kaons, which could change how scientists understand the formation of the universe. The research finds that the behavior of kaons differs when matter is swapped out for antimatter, challenging current understanding of the Standard Model.
An international team of physicists has calculated direct 'CP' symmetry violation, a tiny effect in particle decays. The calculation does not yet indicate a difference between experiment and theory, but future precision may uncover new physics.
A recent University of Eastern Finland and Cranfield University study found that goal congruence, not power symmetry, drives the development of trust in business-to-business relationships. This finding has implications for companies seeking to establish successful partnerships across different types and sizes of organizations.
Researchers at Ruhr-University Bochum found that whistled Turkish eliminates brain asymmetry in language perception, contradicting the long-held theory of left hemisphere dominance. This discovery sheds new light on the cognitive processing of languages.
Researchers discovered that whistled Turkish, a unique form of communication, alters language asymmetries in the brain. Studies show that both hemispheres are equally involved in processing whistled Turkish, contradicting the notion that language is predominantly left-brained.
Scientists at the Institute of Nuclear Physics in Poland used multifractal analysis to study sunspots and found asymmetrical patterns that may indicate an unknown physical process. The researchers believe these findings could provide new insights into solar activity and potentially discard current trends.
Cells make decisions based on environmental stimuli, with cytoskeleton dynamics playing a key role. A recent study found that inherent 'handedness' in molecular structures directs cell behavior and confers the ability to sense left and right differences.
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.
Researchers will study genetic aspects of craniofacial asymmetries in cavefish to better understand human conditions like non-syndromic cleft palate. The project aims to identify specific genes and mutations causing facial asymmetry, with potential implications for understanding pigmentation changes in humans.
A study found that conflict roots in misunderstanding of rival group's motivation, correcting this through financial incentives can improve conflict resolution. Researchers found a link between attributing wrong motivations and unwillingness to negotiate.
Researchers found that negative emotions like anger can be used as a force for good when motivated by moral standards, while excessive positivity can lead to complacency and superficiality. In some team situations, negativity can actually enhance discussion and effectiveness.
Researchers from GFZ, University of Sydney, and University of London discovered that the centre of a rift migrates laterally during continental break-up, causing asymmetry in continental margins. This process leads to the formation of thin crustal slivers on one side and more pronounced asymmetry due to faster extension velocity.
Researchers at Johannes Gutenberg University Mainz successfully measured the magnetic moment of a proton for the first time with unprecedented precision. The measurement has far exceeded previous attempts and will contribute to a better understanding of the matter/antimatter asymmetry in our universe.
Research in zebrafish reveals that loss of brain asymmetry can significantly impact sensory processing. The study found that reversed brain asymmetry resulted in functional changes to habenular neurons, while double-sided brains lacked responsiveness to certain stimuli.
Researchers discovered that rotating plasma during disruptions can spread energy around the vessel, reducing heat load. The Alcator C-Mod team found spontaneous rotation in tokamaks, while DIII-D tested theory using 3D magnetic fields to control instability direction.
Researchers found that brain asymmetry remains constant over time, despite expectations of increased myelin development in left hemisphere regions. The study highlights the importance of environment during critical periods for language acquisition.
A genetic study has identified a network of genes involved in establishing left-right asymmetry in developing embryos, which may influence handedness. The researchers found correlations between handedness and variants in the PCSK6 gene, which is involved in early embryo development.
A new study by San Francisco State University researchers found that asymmetrical forceps in male earwigs provide a competitive advantage, allowing them to dominate smaller males. In contrast, larger males with symmetrical forceps were unable to overcome smaller males with more asymmetric forceps.
Biologists at Tufts University have discovered a mechanism for organ placement in humans and other species, including plants and worms, that is driven by tubulin proteins. This finding has implications for understanding birth defects and the development of asymmetrical patterning across the tree of life.
Recent research reveals that the spiral pattern of leaf formation affects the symmetry of tomato and Arabidopsis leaves. The study found measurable anatomical differences between the left and right sides of both young and mature leaves, identifying a previously overlooked axis of asymmetry.
Researchers have discovered that thermal noise can cause unidirectional motion in nanoscale systems with asymmetric structures. By considering the finite autocorrelation time of thermal noise, they show that this effect is feasible even at room temperature.
Economists Santanu Roy and Kamal Saggi found that trade restrictions on parallel imports can actually promote trade. When a market is smaller than the firm's own, imposing trade restrictions motivates the firm to export. The study suggests that policy diversity is working well, but countries with major asymmetries may need intervention.
Researchers found that cell-to-cell communication across the gut endoderm epithelium is crucial for propagating left-right patterning information. Mouse embryos lacking a specific gene exhibit defects in gut formation and fail to establish left-right asymmetry.
Researchers from North Eastern Hill University investigate the karyomorphological data of Citrus species, revealing that C. indica has an intermediate asymmetry index value, making it a true progenitor of cultivated Citrus. This study supports the classification of three true species of Citrus: C. grandis, C. reticulata, and C. medica.
A research team at the Hubrecht Institute demonstrates a mechanism by which left–right asymmetry in vertebrates is established and maintained. The study reveals a genetic midline 'barrier' that induces and maintains Nodal and BMP proteins to pattern the embryo along the left–right axis.
A new study found that ancient whale skulls were asymmetric, suggesting they may have used directional hearing to navigate in water before the development of echolocation. This finding contradicts previous theories and sheds light on the evolution of whales.
Researchers found that ancient whale skulls were asymmetrical, suggesting a link to directional hearing in water. This discovery contradicts the idea that asymmetry evolved later as an adaptation for echolocation.
A new study by Johns Hopkins Children's Center researchers found that most children with severe cerebral palsy have asymmetric pelvic bones, which can affect surgical procedures. The study highlights the importance of considering pelvic asymmetry in surgeries to correct scoliosis and other spine-related issues.
Researchers found that left-handed individuals showed no asymmetry in hand preference, suggesting a possible explanation: hemispheric specialisation for speech and language. Right-handed participants had trouble with bimanual tasks when using their right hand, indicating a bias towards choosing the correct hand.
UC Riverside physicists involved in the international DZero collaboration have discovered significant violation of matter-antimatter symmetry in B-mesons decays, resulting in a 1% excess of muon pairs over antimuon pairs. This finding points to new physics phenomena that may explain the universe's dominance of matter over antimatter
Researchers studied gait to identify physical signs of Parkinson's disease in its early stages. The team found that people with Parkinson's had significantly asymmetrical arm swings compared to those without the disease.
A new study reveals that our brains detect expressions of happiness and surprise faster than those of sadness or fear. The right hemisphere performs better in processing emotions, particularly happy and surprised faces.
Research reveals that a competition between the two sides of the brain causes it to become asymmetrical. A protein known as Fgf8 acts as a magnet to attract nerve cells to one side, while another protein Nodal teams up with it to trigger asymmetric development.
Researchers have identified genes controlling snail shell handedness, similar to those used by humans to set up left-right asymmetry. These findings suggest that the same genetic pathway has been responsible for establishing left-right symmetry in animals for 500-650 million years.
Wake Forest University chemistry professors Mark Welker and Dilip Kondepudi were elected as 2008 AAAS Fellows for their significant contributions to the fields of non-equilibrium chemistry and organometallic chemistry. The recognition highlights their scientifically distinguished efforts to advance science.
A new study in the Journal of Consumer Research found that consumers more strongly associate common attributes with early-learned brands and unique attributes with late-learned brands. This means that late entrants can gain an advantage if their unique attributes are more valued than those of the pioneer brand.
A new study published in Risk Analysis found that the presence of safety measures has a significantly higher impact on trust than their absence. Researchers surveyed 640 participants and asked about various safety measures such as emergency phone numbers and weather conditions.
Scientists have found a missing link in the evolution of flatfishes, explaining how they developed their unique asymmetrical body plan. The study, published in Nature, reveals that early flatfishes had intermediate characteristics, rejecting the theory that they evolved suddenly as 'hopeful monsters'.
A U-M study found that breast asymmetry after cancer treatment significantly impacts a woman's quality of life, increasing the likelihood of depression, fear, and feelings of being less healthy. Women who experienced significant breast asymmetry were twice as likely to fear their cancer recurring than those with little to no asymmetry.
A Rice University study found that 27 percent of newly appointed CEOs leave their jobs within three years, likely due to information asymmetry and poor hiring decisions. The study suggests that the origin, context, and composition of the board's nominating committee play a significant role in CEO success.
A recent study led by Hasbro Children's Hospital surgeon Albert Oh found that adults with unilateral coronal synostosis, a type of craniosynostosis, still exhibit facial asymmetry years after corrective surgery. The research used three-dimensional photo technology to measure the faces of patients and found consistent rotation of the no...
This issue of JRRD features several studies exploring advancements in ambulation and motor control for individuals with spinal cord injury. Researchers found that functional electric stimulation systems can significantly improve walking distance and speed, while a new measure for assessing spasticity impact was also developed.
Researchers found significant peripheral asymmetry but a nearly spherical interior, suggesting the explosion propogates at supersonic speed. The team observed 17 supernovae over 10 years and inferred the shape and structure of debris clouds thrown out from Type Ia supernovae.
Researchers found an imbalance of activity in the right and left frontal areas of the brain, indicating a dysregulation in emotion and motivation systems. This imbalance may be genetically based and is similar to patterns seen in individuals with depression.
A study presented at the American Society of Plastic Surgeons annual meeting found that breast asymmetry surgery significantly improves vitality, mental health, and self-esteem in patients. The procedure can elevate quality of life and reduce emotional distress associated with the condition.
A team of researchers finds that the skeletal remains of LB1, previously claimed to be a new species, actually belong to the ancestors of modern human pygmies. The study reveals microcephaly and growth abnormalities, which were initially misinterpreted as evidence of a new species.
Researchers identify a single mechanism linking ciliary, serotonergic and ion flow mechanisms to control embryonic laterality. The study challenges previous hypotheses on the role of cilia in left/right asymmetry, providing insight into human development and birth defects related to left/right asymmetry.
A study of 252 women found that those with higher breast volume asymmetry were more likely to develop breast cancer. The research suggests that breast asymmetry could be a reliable indicator of future breast disease and is an independent predictor of breast cancer.
Researchers found that birds, including domestic chicks and pigeons, show a leftward bias in pecking at grains, similar to human spatial hemineglect. This finding suggests that brain organization underlying attention asymmetries may offer benefits in spatial learning and tasks.
Researchers found asymmetries in KNOB and language brain region correspond to right- and left-handedness, challenging previous theory of human-chimpanzee brain differences. The Yerkes National Primate Research Center is a leader in biomedical and behavioral studies involving nonhuman primates.
Research reveals chimpanzees' brain anatomy is asymmetric in key areas, particularly the hippocampus, similar to humans. This finding suggests that asymmetry may be a fundamental aspect of primate nervous systems and influences behavior, such as facial expressions and spatial memory.
Research suggests that individuals with asymmetrical body parts are more likely to show signs of aggression. The study found that men and women responded differently to provocation, with men using more force when ending a low-provocation call but women becoming more aggressive in high-provocation situations.
The BaBar experiment at SLAC has discovered striking matter-antimatter asymmetry in the decay of B and anti-B mesons. The researchers found a clear signal for direct charge parity (CP) violation, with a preference for B meson decays over anti-B meson decays by 13%. This effect is significantly stronger than observed in kaons.
Researchers at BaBar Collaboration have discovered a new way in which matter-antimatter asymmetry occurs, known as CP direct violation. The study found a significant difference in decay rates between B mesons and their antimatter counterparts.
A study of 14 adults with persistent developmental stuttering found that DAF was more effective for those with atypical auditory anatomy. The research also identified two subgroups: one with rightward planum temporale asymmetry who showed improved fluency, and another with leftward planum temporale asymmetry who did not respond to DAF.
A new animal study reveals regional differences in brain activity during sleep, contradicting previous theories on sleep deprivation. The study found that different parts of the brain regulate sleep intensity, with frontal cortex involvement and hemispheric asymmetries playing a crucial role.
Research shows firms are quick to raise prices when costs increase, but not so keen to reduce prices when costs fall. Positive inflation raises output, preventing losses due to price asymmetries, while high inflation targets may have modest output gains.