Researchers propose that the Milky Way galaxy may contain a space-time tunnel, also known as a wormhole, which could be navigable. The study combined dark matter maps with general relativity equations to suggest this possibility.
A study by Sam Houston State University's Crime Victims' Institute found that college students are at higher risk for stalking than the general public. Only one-quarter of college victims reported stalking incidents to police, compared to 32 percent of the general population.
Researchers tracked the motion of a binary pulsar to measure the space-time warp caused by its two highly compact stars. The study provided new information on the effects of extreme gravity on neutron stars and binary systems.
Medical ethicists offer guidance on life-sustaining therapies for Ebola patients in developed countries, balancing risks and benefits. Former Surgeon General David Satcher discusses the importance of credibility and influence in the role, emphasizing scientific evidence-based reports.
A team from Imperial College London and University of Barcelona used astronomical surveys to measure the baryon acoustic oscillation scale, a standard distance central to the universe's expansion. The study suggests current methods for measuring distance are more complicated than needed, offering a data-driven approach to cosmology.
A study examined general surgery patient outcomes before and after 2011 Accreditation Council for Graduate Medical Education (ACGME) duty hour reform. The findings show that the reform was not associated with a significant change in death or serious illness, as well as no impact on resident examination performance.
Researchers from Spain and India found that pulsars with black holes are ideal for testing general relativity, but two cases reduce their value. The 'holy grail' pair is a normal black hole, which has yet to be discovered.
Researchers Jan Boeyens and Francis Thackeray found a connection between the Golden Ratio, space-time, and a biological species constant. The study suggests that concepts associated with relativity and quantum mechanics can be integrated through the number 1.618.
Researchers have identified an enigmatic object named SDSS1133, which could be a recoiling black hole ejected from its parent galaxy. The discovery, made using high-precision equipment and observations with the Hubble Space Telescope, presents a unique opportunity to study gravitational waves and their detection.
In 1966, Roger Penrose won the prestigious Adams Prize for his essay on space-time structure, while Steven Hawking received an auxiliary prize for his essay on singularities and spacetime geometry. These early awards laid the foundation for their later work on cosmology and black holes.
Researchers at Case Western Reserve University have developed a novel scanning optical interferometry technique that enables the spatial mapping and visualization of high-order modes of Brownian motions. This breakthrough technology holds promise for multimodal sensing, signal processing, and computing applications.
Researchers propose a connection between string field theory and quantum mechanics, suggesting that string field theory could be the basis of all physics. They showed that fundamental quantum mechanical principles can be derived from the geometry of strings joining and splitting in string field theory.
A new study found that children under 18 with appendicitis are more likely to experience a ruptured appendix if they live in areas with severe shortages of general surgeons. Younger children, especially those under 5, face the greatest risk due to delayed diagnosis and treatment.
Researchers at Technische Universität Darmstadt confirm time dilation and observe spectral lines in highly charged bismuth ions, achieving unprecedented precision. The experiments test the limits of Einstein's theories under extreme conditions, providing new insights into quantum electrodynamics.
Researchers have found that stars that oscillate at the same frequency as gravitational waves can absorb energy from those waves and brighten temporarily. This effect could provide scientists with another method to indirectly detect gravitational waves.
For the first time, a chemical bond was established between seaborgium and a carbon atom, opening perspectives for detailed investigations of chemical behavior at the end of the periodic table. The study focused on gaseous properties and adsorption to a silicon dioxide surface, comparing with similar compounds of neighboring elements.
A massive study of 3 million general anaesthetics reveals that most episodes of awareness are short-lived, but 51% lead to distress and 41% to longer-term psychological harm. The use of muscle relaxants is a significant risk factor.
A new study by RAND Corporation reveals that lesbian, gay and bisexual women and men in England are more likely to suffer from poor health than the general population. They also experience unfavorable healthcare experiences, including negative interactions with primary care physicians and nurses.
Researchers investigate possible Galileon-like theories with new kinds of symmetries, potentially describing systems near multi-critical points and superfluids. Non-relativistic systems like Goldstone bosons are also considered for potential applications.
Stimulating the ventral tegmental area with mild electric currents induced dopamine release and restored conscious behaviors in anesthetized rats. The study suggests that dopamine release from this region may play a role in emergence from general anesthesia.
A study found that stimulating a major dopamine-producing region in the brain can help rats wake up from general anesthesia, suggesting its potential to induce active emergence from anesthesia in surgical patients. The researchers hope this approach could speed recovery and enhance operating room efficiencies.
A study found that physicians in Ontario, Canada were more likely to be registered for deceased organ donation than matched citizens or the general public. The majority of registered physicians, 47%, were more likely to register due to younger age and female status.
Researchers at Lawrence Berkeley National Laboratory and the University of California detected a force of approximately 42 yoctonewtons using a unique optical trapping system and ultracold atoms. The detection surpassed the Standard Quantum Limit, achieving sensitivity consistent with theoretical predictions.
Astronomers have discovered three closely orbiting supermassive black holes in a galaxy over four billion light years away. The system's tight configuration suggests that these closely-packed black holes are far more common than previously thought.
A team of researchers has developed an algorithm that can determine whether a video is running forward or backward with 80% accuracy. The algorithm analyzes subtle visual cues and identifies regions of frames to make its judgments, potentially leading to more realistic graphics in gaming and film.
Rates of adverse outcomes, including premature death and violent crime, in people with schizophrenia are increasing compared to the general population. Men and women with schizophrenia were eight times more likely to die prematurely than the general population.
Researchers found weak gravitational lensing in CMB polarization data, allowing detailed maps of the universe and constraining neutrino mass estimates. The discovery provides a firm test for general relativity on cosmological scales.
A study from the University of Waterloo found a correlation between abnormal binocular vision, general health, and antidepressant use in older adults. Binocular vision disorders affect depth perception and may increase fall risk, affecting up to 38% of those over 80 years old.
Researchers Stefano Liberati and Luca Maccione suggest spacetime is a fluid with extremely low viscosity, contradicting Einstein's special relativity. This emergent model predicts novel effects on photon propagation, which could be observable with future astrophysical studies.
Researchers found three key binding sites that contribute to the induction of the anesthetic response, affecting sodium channel function and inducing anesthesia. The study's findings provide new insights into the molecular basis of general anesthesia.
Researchers say they've collected the first direct evidence for cosmic inflation, a cataclysmic event that marked the universe's birth. The team observed strong B-mode polarization signals in the cosmic microwave background, a signature of gravitational waves, confirming a deep connection between quantum mechanics and general relativity.
Researchers from BICEP2 collaboration announce groundbreaking discovery of cosmic inflation, providing first direct image of gravitational waves. The data also confirm a deep connection between quantum mechanics and general relativity.
Researchers from Mainz University demonstrated a new physical phenomenon that manipulates magnet states using electric signals. This breakthrough combines the merits of charge-based and spin-based devices, paving the way for new generation memory devices.
A 1931 paper by Albert Einstein featuring a dynamic model of the universe has been re-examined, highlighting numerical errors and questionable calculations. The model, which includes a contraction phase, contrasts with the widely known expanding Einstein-de Sitter model.
Research using nearly 200,000 patient records found that regional anesthesia types do not make patients more prone to falls after knee replacement surgery. Spinal or epidural anesthesia may even decrease the risk of falls compared to general anesthesia, according to a study published in Anesthesiology.
In 1917 Einstein applied general relativity to a static universe, introducing the cosmological constant to address gravitational collapse. He resisted expanding universe views despite contemporary suggestions from astrophysicists Alexander Friedman and Georges Lemaître.
A team of scientists, led by Tom Murphy, found that the performance of laser-based reflectors on the Moon's surface is negatively affected during full moon nights due to accumulated moon dust and heating. The effect was later confirmed during a lunar eclipse in December 2010.
Astronomers have found a rare stellar system featuring a neutron star, two white dwarf stars, in an incredibly close orbit. By measuring the gravitational perturbations in this system, scientists can gain insights into the nature of gravity and potentially detect problems with General Relativity.
Astronomers have discovered a 3-star system that challenges the strong equivalence principle in Albert Einstein's theory of General Relativity. The system, consisting of two white dwarf stars and a superdense pulsar, allows for precise timing observations to test the theory's validity.
A systematic review presents the state of the art in investigating the existence of grains in space-time, which could lead to violations of special relativity. Physicists have devised methods to test these deviations using high-energy astrophysics phenomena.
Researchers have mathematically described the phase transition between a boring empty space and an expanding universe containing mass. The theory connects quantum field theory and Einstein's relativity, suggesting that time and space can undergo a phase transition similar to liquid-solid transitions.
Scientists at Rochester Institute of Technology will simulate extreme black holes with support from a $525,000 grant. Their contributions will help advance the international effort to confirm the existence of gravitational waves and black holes, anticipating new field discoveries.
Physicists at the University of Warsaw and Hanover demonstrate that experimentally available squeezed states are optimal for improving the precision of measurements in gravitational wave detectors. This breakthrough improves sensitivity by up to 30%, allowing for more accurate detection of subtle spacetime vibrations.
Scientists demonstrated a breakthrough in quantum cryptography, enabling perfectly secure data transmission between two sites for up to fifteen milliseconds. This achievement marks the first step towards impregnable information networks controlled by Einstein's relativity and quantum theory.
Astronomers have found the most distant gravitational lens yet, which provides a rare opportunity to directly measure the mass of a distant galaxy. The discovery poses a puzzle as lenses are expected to be exceedingly rare, suggesting either luck or underestimated small galaxies in the early Universe.
According to a new hypothesis, black holes may have distinct features, dubbed 'hair', which are influenced by the surrounding matter. This concept contradicts the traditional 'bald' model proposed by Roy Kerr in 1963.
A study of French Tour de France cyclists found they lived 41% longer than the general population, with cancer and cardiovascular disease being less common causes of death compared to the general public.
A new Northwestern University study has found that high financial debt is associated with higher diastolic blood pressure and poorer self-reported general and mental health in young adults. Individuals with high debt reported higher levels of perceived stress and depressive symptoms, as well as worse self-reported general health.
Researchers have discovered a magnetar at the centre of our Milky Way, providing insights into the strong magnetic field surrounding the supermassive black hole. The discovery enables scientists to study the accretion flow and X-ray emissions of the gravity trap.
Researchers used dysprosium to measure electron velocity and found the maximum speed of an electron is consistent with the speed of light. The experiment pushes the limits of Einstein's theory, potentially revealing new insights into particle physics.
Physicists propose that Einstein's special relativity emerges from a combination of quantum dynamics and gravity. This theory predicts the formation of charge asymmetry between particles and anti-particles at ultra-minute fractions of seconds after the Big Bang, in agreement with recent cosmological observations.
A study found that echocardiographic screening in the general public for structural and valvular heart disease was not associated with a reduction in risk of death, myocardial infarction (heart attack) or stroke. Despite low prevalence of structural heart disease, screening led to unnecessary tests and potential harm.
A study published in The Lancet found that people with epilepsy are ten times more likely to die prematurely than the general population, with mental illness being a major contributor. The research revealed a strong correlation between psychiatric diagnoses and increased risk of accidents and suicide.
Astronomers at the University of Warsaw discovered that stellar monsters with masses 200-300 times that of our Sun will not collide until billions of years from now. Due to their large distance apart and lack of expansion, there is no mechanism for their orbit to tighten, making a spectacular collision impossible.
Researchers found that particles with mass experience different space-times depending on their direction of motion, while massless particles see the same space-time in all directions. This discovery challenges our understanding of isotropy in the universe.
Researchers used the Hubble Space Telescope to measure alpha, the fine-structure constant, on a white dwarf star. They found no significant variation in alpha near the star and compared it with laboratory measurements.
A new NASA-led study confirms the production of high-energy X-rays from gas spiraling into a black hole. The research models the complex motions and turbulent magnetic fields in the accretion disk, reproducing important features long observed in active black holes.
Astrophysicists used supercomputer simulations and traditional calculations to demonstrate that gas spiraling toward a black hole inevitably results in X-ray emissions. The study reveals high-energy light emission is not only possible but also an inevitable outcome of gas being drawn into a black hole.
A study published in General Dentistry found that soda consumption, especially diet soda, can cause severe tooth erosion and damage similar to methamphetamine and crack cocaine use. The Academy of General Dentistry recommends minimizing soda intake and using sugar-free gum or rinsing with water after consumption.
A new study by Dr. Tomislav Svoboda found that homeless men who are heavy drinkers have a staggering 400 times more head injuries than the general population. The study also revealed that these men experience severe and frequent brain bleeding, dizziness, memory loss, and mental health issues.